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authorcvs2svn <>2002-09-22 07:38:58 +0400
committercvs2svn <>2002-09-22 07:38:58 +0400
commit47cb595af1560869b63a17fea91a1a2adca075df (patch)
tree4d6ac01f1f904535b3ba07edd3624d2f6d483ba2 /winsup/cygwin/path.cc
parentc90e1cf179187d5d188a3003db503ffd86d80cfe (diff)
This commit was manufactured by cvs2svn to create branch
'unlabeled-1.24.16'. Sprout from master 2002-09-22 03:38:57 UTC Christopher Faylor <me@cgf.cx> '* fhandler.cc (fhandler_base::dup): Don't set handle on failure. Caller has' Delete: COPYING COPYING.LIB COPYING.LIBGLOSS COPYING.NEWLIB ChangeLog MAINTAINERS Makefile.in README README-maintainer-mode config-ml.in config.guess config.if config.sub config/ChangeLog config/acinclude.m4 config/mh-a68bsd config/mh-aix386 config/mh-apollo68 config/mh-armpic config/mh-cxux config/mh-cygwin config/mh-decstation config/mh-delta88 config/mh-dgux config/mh-dgux386 config/mh-djgpp config/mh-elfalphapic config/mh-hp300 config/mh-hpux config/mh-hpux8 config/mh-i370pic config/mh-ia64pic config/mh-interix config/mh-irix5 config/mh-irix6 config/mh-lynxrs6k config/mh-m68kpic config/mh-mingw32 config/mh-ncr3000 config/mh-ncrsvr43 config/mh-necv4 config/mh-openedition config/mh-papic config/mh-ppcpic config/mh-riscos config/mh-s390pic config/mh-sco config/mh-solaris config/mh-sparcpic config/mh-sysv config/mh-sysv4 config/mh-sysv5 config/mh-x86pic config/mpw-mh-mpw config/mpw/ChangeLog config/mpw/MoveIfChange config/mpw/README config/mpw/forward-include config/mpw/g-mpw-make.sed config/mpw/mpw-touch config/mpw/mpw-true config/mpw/null-command config/mpw/open-brace config/mpw/tr-7to8-src config/mpw/true config/mt-aix43 config/mt-alphaieee config/mt-d30v config/mt-linux config/mt-netware config/mt-ospace config/mt-v810 config/mt-wince configure configure.in djunpack.bat etc/ChangeLog etc/Makefile.in etc/add-log.el etc/add-log.vi etc/configbuild.ein etc/configbuild.fig etc/configbuild.jin etc/configbuild.tin etc/configdev.ein etc/configdev.fig etc/configdev.jin etc/configdev.tin etc/configure etc/configure.in etc/configure.texi etc/fdl.texi etc/make-stds.texi etc/standards.texi etc/texi2pod.pl gettext.m4 include/COPYING include/ChangeLog include/MAINTAINERS include/alloca-conf.h include/ansidecl.h include/aout/ChangeLog include/aout/adobe.h include/aout/aout64.h include/aout/ar.h include/aout/dynix3.h include/aout/encap.h include/aout/host.h include/aout/hp.h include/aout/hp300hpux.h include/aout/hppa.h include/aout/ranlib.h include/aout/reloc.h include/aout/stab.def include/aout/stab_gnu.h include/aout/sun4.h include/bfdlink.h include/bin-bugs.h include/bout.h include/coff/ChangeLog include/coff/a29k.h include/coff/alpha.h include/coff/apollo.h include/coff/arm.h include/coff/aux-coff.h include/coff/ecoff.h include/coff/external.h include/coff/go32exe.h include/coff/h8300.h include/coff/h8500.h include/coff/i386.h include/coff/i860.h include/coff/i960.h include/coff/ia64.h include/coff/internal.h include/coff/m68k.h include/coff/m88k.h include/coff/mcore.h include/coff/mips.h include/coff/mipspe.h include/coff/or32.h include/coff/pe.h include/coff/powerpc.h include/coff/rs6000.h include/coff/rs6k64.h include/coff/sh.h include/coff/sparc.h include/coff/sym.h include/coff/symconst.h include/coff/ti.h include/coff/tic30.h include/coff/tic4x.h include/coff/tic54x.h include/coff/tic80.h include/coff/w65.h include/coff/we32k.h include/coff/xcoff.h include/coff/z8k.h include/demangle.h include/dis-asm.h include/dyn-string.h include/elf/ChangeLog include/elf/alpha.h include/elf/arc.h include/elf/arm.h include/elf/avr.h include/elf/common.h include/elf/cris.h include/elf/d10v.h include/elf/d30v.h include/elf/dlx.h include/elf/dwarf.h include/elf/dwarf2.h include/elf/external.h include/elf/fr30.h include/elf/frv.h include/elf/h8.h include/elf/hppa.h include/elf/i370.h include/elf/i386.h include/elf/i860.h include/elf/i960.h include/elf/ia64.h include/elf/internal.h include/elf/ip2k.h include/elf/m32r.h include/elf/m68hc11.h include/elf/m68k.h include/elf/mcore.h include/elf/mips.h include/elf/mmix.h include/elf/mn10200.h include/elf/mn10300.h include/elf/openrisc.h include/elf/or32.h include/elf/pj.h include/elf/ppc.h include/elf/reloc-macros.h include/elf/s390.h include/elf/sh.h include/elf/sparc.h include/elf/v850.h include/elf/vax.h include/elf/x86-64.h include/elf/xstormy16.h include/fibheap.h include/filenames.h include/floatformat.h include/fnmatch.h include/fopen-bin.h include/fopen-same.h include/fopen-vms.h include/gdb/ChangeLog include/gdb/callback.h include/gdb/remote-sim.h include/gdb/signals.h include/gdb/sim-arm.h include/gdb/sim-d10v.h include/gdb/sim-h8300.h include/gdb/sim-sh.h include/gdbm.h include/getopt.h include/hashtab.h include/hp-symtab.h include/ieee.h include/libiberty.h include/md5.h include/mpw/ChangeLog include/mpw/README include/mpw/dir.h include/mpw/dirent.h include/mpw/fcntl.h include/mpw/grp.h include/mpw/mpw.h include/mpw/pwd.h include/mpw/spin.h include/mpw/stat.h include/mpw/sys/file.h include/mpw/sys/param.h include/mpw/sys/resource.h include/mpw/sys/stat.h include/mpw/sys/time.h include/mpw/sys/types.h include/mpw/utime.h include/mpw/varargs.h include/nlm/ChangeLog include/nlm/alpha-ext.h include/nlm/common.h include/nlm/external.h include/nlm/i386-ext.h include/nlm/internal.h include/nlm/ppc-ext.h include/nlm/sparc32-ext.h include/oasys.h include/objalloc.h include/obstack.h include/opcode/ChangeLog include/opcode/a29k.h include/opcode/alpha.h include/opcode/arc.h include/opcode/arm.h include/opcode/avr.h include/opcode/cgen.h include/opcode/convex.h include/opcode/cris.h include/opcode/d10v.h include/opcode/d30v.h include/opcode/dlx.h include/opcode/h8300.h include/opcode/hppa.h include/opcode/i370.h include/opcode/i386.h include/opcode/i860.h include/opcode/i960.h include/opcode/ia64.h include/opcode/m68hc11.h include/opcode/m68k.h include/opcode/m88k.h include/opcode/mips.h include/opcode/mmix.h include/opcode/mn10200.h include/opcode/mn10300.h include/opcode/np1.h include/opcode/ns32k.h include/opcode/or32.h include/opcode/pdp11.h include/opcode/pj.h include/opcode/pn.h include/opcode/ppc.h include/opcode/pyr.h include/opcode/s390.h include/opcode/sparc.h include/opcode/tahoe.h include/opcode/tic30.h include/opcode/tic4x.h include/opcode/tic54x.h include/opcode/tic80.h include/opcode/v850.h include/opcode/vax.h include/os9k.h include/partition.h include/progress.h include/regs/ChangeLog include/safe-ctype.h include/sort.h include/splay-tree.h include/symcat.h include/ternary.h include/xregex.h include/xregex2.h install-sh libgloss/ChangeLog libgloss/Makefile.in libgloss/README libgloss/arm/Makefile.in libgloss/arm/coff-iq80310.specs libgloss/arm/coff-redboot.ld libgloss/arm/coff-redboot.specs libgloss/arm/configure libgloss/arm/configure.in libgloss/arm/elf-iq80310.specs libgloss/arm/elf-redboot.ld libgloss/arm/elf-redboot.specs libgloss/arm/redboot-crt0.S libgloss/arm/redboot-syscalls.c libgloss/arm/syscall.h libgloss/close.c libgloss/config/default.mh libgloss/config/default.mt libgloss/config/dos.mh libgloss/config/mips.mt libgloss/config/mn10200.mt libgloss/config/mn10300.mt libgloss/config/ppc.mh libgloss/configure libgloss/configure.in libgloss/d30v/Makefile.in libgloss/d30v/configure libgloss/d30v/configure.in libgloss/d30v/crt0.S libgloss/d30v/inbyte.c libgloss/d30v/outbyte.c libgloss/d30v/syscalls.c libgloss/debug.c libgloss/debug.h libgloss/doc/Makefile.in libgloss/doc/configure libgloss/doc/configure.in libgloss/doc/porting.texi libgloss/fr30/Makefile.in libgloss/fr30/configure libgloss/fr30/configure.in libgloss/fr30/crt0.s libgloss/fr30/syscalls.c libgloss/frv/Makefile.in libgloss/frv/configure libgloss/frv/configure.in libgloss/frv/crt0.S libgloss/frv/fstat.c libgloss/frv/getpid.c libgloss/frv/isatty.c libgloss/frv/kill.c libgloss/frv/print.c libgloss/frv/putnum.c libgloss/frv/sbrk.c libgloss/frv/sim-close.S libgloss/frv/sim-exit.S libgloss/frv/sim-inbyte.c libgloss/frv/sim-lseek.S libgloss/frv/sim-open.S libgloss/frv/sim-read.S libgloss/frv/sim-time.c libgloss/frv/sim-unlink.S libgloss/frv/sim-write.S libgloss/frv/stat.c libgloss/fstat.c libgloss/getpid.c libgloss/glue.h libgloss/hp74x/Makefile.in libgloss/hp74x/README libgloss/hp74x/checksum.c libgloss/hp74x/configure libgloss/hp74x/configure.in libgloss/hp74x/crt0.s libgloss/hp74x/debugger.h libgloss/hp74x/debugger.s libgloss/hp74x/diagnose.h libgloss/hp74x/hppa-defs.h libgloss/hp74x/hppa.ld libgloss/hp74x/io.c libgloss/hp74x/iva_table.h libgloss/hp74x/iva_table.s libgloss/hp74x/pa_stub.c libgloss/hp74x/test.c libgloss/i386/Makefile.in libgloss/i386/configure libgloss/i386/configure.in libgloss/i386/cygmon-crt0.S libgloss/i386/cygmon-gmon.c libgloss/i386/cygmon-gmon.h libgloss/i386/cygmon-salib.c libgloss/i386/cygmon-syscall.h libgloss/i386/cygmon.ld libgloss/i960/Makefile.in libgloss/i960/asm.h libgloss/i960/configure libgloss/i960/configure.in libgloss/i960/crt0.c libgloss/i960/mon-read.c libgloss/i960/mon-syscalls.S libgloss/i960/mon-write.c libgloss/i960/mon960.c libgloss/i960/mon960.ld libgloss/i960/syscall.h libgloss/isatty.c libgloss/kill.c libgloss/libnosys/Makefile.in libgloss/libnosys/acconfig.h libgloss/libnosys/close.c libgloss/libnosys/config.h.in libgloss/libnosys/configure libgloss/libnosys/configure.in libgloss/libnosys/environ.c libgloss/libnosys/execve.c libgloss/libnosys/fork.c libgloss/libnosys/fstat.c libgloss/libnosys/getpid.c libgloss/libnosys/gettod.c libgloss/libnosys/isatty.c libgloss/libnosys/kill.c libgloss/libnosys/link.c libgloss/libnosys/lseek.c libgloss/libnosys/open.c libgloss/libnosys/read.c libgloss/libnosys/sbrk.c libgloss/libnosys/stat.c libgloss/libnosys/times.c libgloss/libnosys/unlink.c libgloss/libnosys/wait.c libgloss/libnosys/warning.h libgloss/libnosys/write.c libgloss/lseek.c libgloss/m32r/Makefile.in libgloss/m32r/chmod.c libgloss/m32r/close.c libgloss/m32r/configure libgloss/m32r/configure.in libgloss/m32r/crt0.S libgloss/m32r/eit.h libgloss/m32r/eva-stub.ld libgloss/m32r/eva.ld libgloss/m32r/exit.c libgloss/m32r/fstat.c libgloss/m32r/getpid.c libgloss/m32r/isatty.c libgloss/m32r/kill.c libgloss/m32r/lseek.c libgloss/m32r/m32r-lib.c libgloss/m32r/mon.specs libgloss/m32r/open.c libgloss/m32r/raise.c libgloss/m32r/read.c libgloss/m32r/sbrk.c libgloss/m32r/stat.c libgloss/m32r/trap0.S libgloss/m32r/trapmon0.c libgloss/m32r/unlink.c libgloss/m32r/utime.c libgloss/m32r/write.c libgloss/m68hc11/Makefile.in libgloss/m68hc11/configure libgloss/m68hc11/configure.in libgloss/m68hc11/crt0.S libgloss/m68hc11/sci-inout.S libgloss/m68hc11/sim-valid-m68hc11.ld libgloss/m68hc11/sim-valid-m68hc12.ld libgloss/m68hc11/syscalls.c libgloss/m68k/Makefile.in libgloss/m68k/README libgloss/m68k/asm.h libgloss/m68k/bcc.ld libgloss/m68k/configure libgloss/m68k/configure.in libgloss/m68k/cpu32bug.S libgloss/m68k/cpu32bug.h libgloss/m68k/crt0.S libgloss/m68k/dbug-exit.S libgloss/m68k/dbug-inbyte.S libgloss/m68k/dbug-outbyte.S libgloss/m68k/dtor.C libgloss/m68k/idp-inbyte.c libgloss/m68k/idp-outbyte.c libgloss/m68k/idp.ld libgloss/m68k/idpgdb.ld libgloss/m68k/leds.c libgloss/m68k/leds.h libgloss/m68k/mc68681reg.h libgloss/m68k/mc68ec.c libgloss/m68k/mvme-stub.c libgloss/m68k/mvme.S libgloss/m68k/mvme135-asm.S libgloss/m68k/mvme135.ld libgloss/m68k/mvme162.ld libgloss/m68k/mvme162lx-asm.S libgloss/m68k/sbc5204.ld libgloss/m68k/sbc5206.ld libgloss/m68k/sim-abort.c libgloss/m68k/sim-crt0.S libgloss/m68k/sim-errno.c libgloss/m68k/sim-funcs.c libgloss/m68k/sim-inbyte.c libgloss/m68k/sim-print.c libgloss/m68k/sim-sbrk.c libgloss/m68k/sim.ld libgloss/m68k/simulator.S libgloss/m68k/test.c libgloss/mcore/Makefile.in libgloss/mcore/close.c libgloss/mcore/cmb-exit.c libgloss/mcore/cmb-inbyte.c libgloss/mcore/cmb-outbyte.c libgloss/mcore/configure libgloss/mcore/configure.in libgloss/mcore/crt0.S libgloss/mcore/elf-cmb.ld libgloss/mcore/elf-cmb.specs libgloss/mcore/fstat.c libgloss/mcore/getpid.c libgloss/mcore/kill.c libgloss/mcore/lseek.c libgloss/mcore/open.c libgloss/mcore/pe-cmb.ld libgloss/mcore/pe-cmb.specs libgloss/mcore/print.c libgloss/mcore/putnum.c libgloss/mcore/raise.c libgloss/mcore/read.c libgloss/mcore/sbrk.c libgloss/mcore/stat.c libgloss/mcore/syscalls.S libgloss/mcore/unlink.c libgloss/mcore/write.c libgloss/mips/Makefile.in libgloss/mips/array-io.c libgloss/mips/array.ld libgloss/mips/cfe.c libgloss/mips/cfe.ld libgloss/mips/cfe_api.c libgloss/mips/cfe_api.h libgloss/mips/cfe_api_int.h libgloss/mips/cfe_error.h libgloss/mips/cfe_prestart.S libgloss/mips/cma101.c libgloss/mips/configure libgloss/mips/configure.in libgloss/mips/crt0.S libgloss/mips/ddb-kseg0.ld libgloss/mips/ddb.ld libgloss/mips/dtor.C libgloss/mips/dve.ld libgloss/mips/dvemon.c libgloss/mips/entry.S libgloss/mips/idt.ld libgloss/mips/idt32.ld libgloss/mips/idt64.ld libgloss/mips/idtecoff.ld libgloss/mips/idtmon.S libgloss/mips/jmr3904-io.c libgloss/mips/jmr3904app-java.ld libgloss/mips/jmr3904app.ld libgloss/mips/jmr3904dram-java.ld libgloss/mips/jmr3904dram.ld libgloss/mips/lsi.ld libgloss/mips/lsi33k-stub.c libgloss/mips/lsi33k-stub.h libgloss/mips/lsipmon.S libgloss/mips/nullmon.c libgloss/mips/nullmon.ld libgloss/mips/pmon.S libgloss/mips/pmon.ld libgloss/mips/regs.S libgloss/mips/syscalls.c libgloss/mips/test.c libgloss/mips/vr4300.S libgloss/mips/vr5xxx.S libgloss/mn10200/Makefile.in libgloss/mn10200/_exit.c libgloss/mn10200/access.c libgloss/mn10200/chmod.c libgloss/mn10200/chown.c libgloss/mn10200/close.c libgloss/mn10200/configure libgloss/mn10200/configure.in libgloss/mn10200/creat.c libgloss/mn10200/crt0.S libgloss/mn10200/crt1.c libgloss/mn10200/eval.ld libgloss/mn10200/execv.c libgloss/mn10200/execve.c libgloss/mn10200/fork.c libgloss/mn10200/fstat.c libgloss/mn10200/getpid.c libgloss/mn10200/gettime.c libgloss/mn10200/isatty.c libgloss/mn10200/kill.c libgloss/mn10200/lseek.c libgloss/mn10200/open.c libgloss/mn10200/pipe.c libgloss/mn10200/read.c libgloss/mn10200/sbrk.c libgloss/mn10200/sim.ld libgloss/mn10200/stat.c libgloss/mn10200/test.c libgloss/mn10200/time.c libgloss/mn10200/times.c libgloss/mn10200/trap.S libgloss/mn10200/trap.h libgloss/mn10200/unlink.c libgloss/mn10200/utime.c libgloss/mn10200/wait.c libgloss/mn10200/write.c libgloss/mn10300/Makefile.in libgloss/mn10300/_exit.c libgloss/mn10300/access.c libgloss/mn10300/chmod.c libgloss/mn10300/chown.c libgloss/mn10300/close.c libgloss/mn10300/configure libgloss/mn10300/configure.in libgloss/mn10300/creat.c libgloss/mn10300/crt0-eval.S libgloss/mn10300/crt0.S libgloss/mn10300/crt0_cygmon.S libgloss/mn10300/crt0_redboot.S libgloss/mn10300/crt1.c libgloss/mn10300/cygmon.c libgloss/mn10300/eval.ld libgloss/mn10300/execv.c libgloss/mn10300/execve.c libgloss/mn10300/fork.c libgloss/mn10300/fstat.c libgloss/mn10300/getpid.c libgloss/mn10300/gettime.c libgloss/mn10300/isatty.c libgloss/mn10300/kill.c libgloss/mn10300/lseek.c libgloss/mn10300/open.c libgloss/mn10300/pipe.c libgloss/mn10300/read.c libgloss/mn10300/sbrk.c libgloss/mn10300/sim.ld libgloss/mn10300/stat.c libgloss/mn10300/test.c libgloss/mn10300/time.c libgloss/mn10300/times.c libgloss/mn10300/trap.S libgloss/mn10300/trap.h libgloss/mn10300/unlink.c libgloss/mn10300/utime.c libgloss/mn10300/wait.c libgloss/mn10300/write.c libgloss/open.c libgloss/pa/Makefile.in libgloss/pa/README libgloss/pa/configure 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libgloss/rs6000/sim-sbrk.c libgloss/rs6000/simulator.S libgloss/rs6000/sol-cfuncs.c libgloss/rs6000/sol-syscall.S libgloss/rs6000/test.c libgloss/rs6000/yellowknife.ld libgloss/sbrk.c libgloss/sh/sh1lcevb.ld libgloss/sh/sh2lcevb.ld libgloss/sh/sh3bb.ld libgloss/sh/sh3lcevb.ld libgloss/sparc/Makefile.in libgloss/sparc/asm.h libgloss/sparc/cache.c libgloss/sparc/configure libgloss/sparc/configure.in libgloss/sparc/crt0-701.S libgloss/sparc/crt0.S libgloss/sparc/cygmon-crt0.S libgloss/sparc/cygmon-salib.c libgloss/sparc/cygmon-sparc64-ld.src libgloss/sparc/cygmon.ld.src libgloss/sparc/dtor.C libgloss/sparc/elfsim.ld libgloss/sparc/erc32-crt0.S libgloss/sparc/erc32-io.c libgloss/sparc/erc32-stub.c libgloss/sparc/erc32.ld libgloss/sparc/ex930.ld libgloss/sparc/ex931.ld libgloss/sparc/ex934.ld libgloss/sparc/fixctors.c libgloss/sparc/libsys/Makefile.in libgloss/sparc/libsys/_exit.S libgloss/sparc/libsys/cerror.S libgloss/sparc/libsys/configure libgloss/sparc/libsys/configure.in 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winsup/w32api/include/sspi.h winsup/w32api/include/subauth.h winsup/w32api/include/svcguid.h winsup/w32api/include/tlhelp32.h winsup/w32api/include/unknwn.h winsup/w32api/include/userenv.h winsup/w32api/include/w32api.h winsup/w32api/include/winbase.h winsup/w32api/include/wincon.h winsup/w32api/include/wincrypt.h winsup/w32api/include/windef.h winsup/w32api/include/windows.h winsup/w32api/include/windowsx.h winsup/w32api/include/winerror.h winsup/w32api/include/wingdi.h winsup/w32api/include/wininet.h winsup/w32api/include/winioctl.h winsup/w32api/include/winnetwk.h winsup/w32api/include/winnls.h winsup/w32api/include/winnt.h winsup/w32api/include/winperf.h winsup/w32api/include/winreg.h winsup/w32api/include/winresrc.h winsup/w32api/include/winsock.h winsup/w32api/include/winsock2.h winsup/w32api/include/winspool.h winsup/w32api/include/winsvc.h winsup/w32api/include/winuser.h winsup/w32api/include/winver.h winsup/w32api/include/ws2spi.h winsup/w32api/include/ws2tcpip.h winsup/w32api/include/wsahelp.h winsup/w32api/include/wsipx.h winsup/w32api/include/wsnetbs.h winsup/w32api/include/wtypes.h winsup/w32api/include/zmouse.h winsup/w32api/install-sh winsup/w32api/lib/Makefile.in winsup/w32api/lib/advapi32.def winsup/w32api/lib/cap.def winsup/w32api/lib/comctl32.def winsup/w32api/lib/comdlg32.def winsup/w32api/lib/crypt32.def winsup/w32api/lib/ctl3d32.def winsup/w32api/lib/d3dim.def winsup/w32api/lib/d3drm.def winsup/w32api/lib/d3dxof.def winsup/w32api/lib/ddraw.def winsup/w32api/lib/dinput.c winsup/w32api/lib/dinput.def winsup/w32api/lib/dlcapi.def winsup/w32api/lib/dplayx.def winsup/w32api/lib/dsetup.def winsup/w32api/lib/dsound.def winsup/w32api/lib/dxguid.c winsup/w32api/lib/gdi32.def winsup/w32api/lib/glaux.def winsup/w32api/lib/glu32.def winsup/w32api/lib/glut.def winsup/w32api/lib/glut32.def winsup/w32api/lib/imagehlp.def winsup/w32api/lib/imm32.def winsup/w32api/lib/iphlpapi.def winsup/w32api/lib/kernel32.c winsup/w32api/lib/kernel32.def winsup/w32api/lib/largeint.c winsup/w32api/lib/lz32.def winsup/w32api/lib/mapi32.def winsup/w32api/lib/mfcuia32.def winsup/w32api/lib/mgmtapi.def winsup/w32api/lib/mpr.def winsup/w32api/lib/msacm32.def winsup/w32api/lib/msimg32.def winsup/w32api/lib/msvcp60.def winsup/w32api/lib/mswsock.def winsup/w32api/lib/nddeapi.def winsup/w32api/lib/netapi32.def winsup/w32api/lib/ntdll.def winsup/w32api/lib/odbc32.def winsup/w32api/lib/odbccp32.def winsup/w32api/lib/ole32.def winsup/w32api/lib/oleaut32.def winsup/w32api/lib/olecli32.def winsup/w32api/lib/oledlg.def winsup/w32api/lib/olepro32.def winsup/w32api/lib/olesvr32.def winsup/w32api/lib/opengl32.def winsup/w32api/lib/penwin32.def winsup/w32api/lib/pkpd32.def winsup/w32api/lib/psapi.def winsup/w32api/lib/rapi.def winsup/w32api/lib/rasapi32.def winsup/w32api/lib/res.rc winsup/w32api/lib/rpcdce4.def winsup/w32api/lib/rpcns4.def winsup/w32api/lib/rpcrt4.def winsup/w32api/lib/scrnsave.c winsup/w32api/lib/secur32.def winsup/w32api/lib/setupapi.def winsup/w32api/lib/shell32.c winsup/w32api/lib/shell32.def winsup/w32api/lib/shfolder.def winsup/w32api/lib/shlwapi.def winsup/w32api/lib/svrapi.def winsup/w32api/lib/tapi32.def winsup/w32api/lib/test.c winsup/w32api/lib/th32.def winsup/w32api/lib/thunk32.def winsup/w32api/lib/url.def winsup/w32api/lib/user32.def winsup/w32api/lib/userenv.def winsup/w32api/lib/uuid.c winsup/w32api/lib/vdmdbg.def winsup/w32api/lib/version.def winsup/w32api/lib/vfw32.def winsup/w32api/lib/win32spl.def winsup/w32api/lib/wininet.def winsup/w32api/lib/winmm.def winsup/w32api/lib/winspool.def winsup/w32api/lib/winstrm.def winsup/w32api/lib/wow32.def winsup/w32api/lib/ws2_32.def winsup/w32api/lib/wsock32.def winsup/w32api/lib/wst.def ylwrap
Diffstat (limited to 'winsup/cygwin/path.cc')
-rw-r--r--winsup/cygwin/path.cc3750
1 files changed, 0 insertions, 3750 deletions
diff --git a/winsup/cygwin/path.cc b/winsup/cygwin/path.cc
deleted file mode 100644
index a185e60e9..000000000
--- a/winsup/cygwin/path.cc
+++ /dev/null
@@ -1,3750 +0,0 @@
-/* path.cc: path support.
-
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
-
-This file is part of Cygwin.
-
-This software is a copyrighted work licensed under the terms of the
-Cygwin license. Please consult the file "CYGWIN_LICENSE" for
-details. */
-
-/* This module's job is to
- - convert between POSIX and Win32 style filenames,
- - support the `mount' functionality,
- - support symlinks for files and directories
-
- Pathnames are handled as follows:
-
- - A \ or : in a path denotes a pure windows spec.
- - Paths beginning with // (or \\) are not translated (i.e. looked
- up in the mount table) and are assumed to be UNC path names.
-
- The goal in the above set of rules is to allow both POSIX and Win32
- flavors of pathnames without either interfering. The rules are
- intended to be as close to a superset of both as possible.
-
- Note that you can have more than one path to a file. The mount
- table is always prefered when translating Win32 paths to POSIX
- paths. Win32 paths in mount table entries may be UNC paths or
- standard Win32 paths starting with <drive-letter>:
-
- Text vs Binary issues are not considered here in path style
- decisions, although the appropriate flags are retrieved and
- stored in various structures.
-
- Removing mounted filesystem support would simplify things greatly,
- but having it gives us a mechanism of treating disk that lives on a
- UNIX machine as having UNIX semantics [it allows one to edit a text
- file on that disk and not have cr's magically appear and perhaps
- break apps running on UNIX boxes]. It also useful to be able to
- layout a hierarchy without changing the underlying directories.
-
- The semantics of mounting file systems is not intended to precisely
- follow normal UNIX systems.
-
- Each DOS drive is defined to have a current directory. Supporting
- this would complicate things so for now things are defined so that
- c: means c:\. FIXME: Is this still true?
-*/
-
-#include "winsup.h"
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/mount.h>
-#include <mntent.h>
-#include <unistd.h>
-#include <errno.h>
-#include <ctype.h>
-#include <winioctl.h>
-#include <wingdi.h>
-#include <winuser.h>
-#include <winnls.h>
-#include <winnetwk.h>
-#include <sys/cygwin.h>
-#include <cygwin/version.h>
-#include "cygerrno.h"
-#include "security.h"
-#include "fhandler.h"
-#include "path.h"
-#include "sync.h"
-#include "sigproc.h"
-#include "pinfo.h"
-#include "dtable.h"
-#include "cygheap.h"
-#include "shared_info.h"
-#include "registry.h"
-#include <assert.h>
-
-#ifdef _MT_SAFE
-#define iteration _reent_winsup ()->_iteration
-#define available_drives _reent_winsup ()->available_drives
-#else
-static int iteration;
-static DWORD available_drives;
-#endif
-
-static int normalize_win32_path (const char *src, char *dst);
-static void slashify (const char *src, char *dst, int trailing_slash_p);
-static void backslashify (const char *src, char *dst, int trailing_slash_p);
-
-struct symlink_info
-{
- char contents[MAX_PATH + 4];
- char *ext_here;
- int extn;
- unsigned pflags;
- DWORD fileattr;
- int is_symlink;
- bool ext_tacked_on;
- int error;
- bool case_clash;
- int check (char *path, const suffix_info *suffixes, unsigned opt);
- BOOL case_check (char *path);
-};
-
-int pcheck_case = PCHECK_RELAXED; /* Determines the case check behaviour. */
-
-static char shortcut_header[SHORTCUT_HDR_SIZE];
-static BOOL shortcut_initalized;
-
-static void
-create_shortcut_header (void)
-{
- if (!shortcut_initalized)
- {
- shortcut_header[0] = 'L';
- shortcut_header[4] = '\001';
- shortcut_header[5] = '\024';
- shortcut_header[6] = '\002';
- shortcut_header[12] = '\300';
- shortcut_header[19] = 'F';
- shortcut_header[20] = '\f';
- shortcut_header[60] = '\001';
- shortcut_initalized = TRUE;
- }
-}
-
-#define CYGWIN_REGNAME (cygheap->cygwin_regname ?: CYGWIN_INFO_CYGWIN_REGISTRY_NAME)
-
-/* Determine if path prefix matches current cygdrive */
-#define iscygdrive(path) \
- (path_prefix_p (mount_table->cygdrive, (path), mount_table->cygdrive_len))
-
-#define iscygdrive_device(path) \
- (isalpha (path[mount_table->cygdrive_len]) && \
- (isdirsep (path[mount_table->cygdrive_len + 1]) || \
- !path[mount_table->cygdrive_len + 1]))
-
-#define isproc(path) \
- (path_prefix_p (proc, (path), proc_len))
-
-#define isvirtual_dev(devn) \
- (devn == FH_CYGDRIVE || devn == FH_PROC || devn == FH_REGISTRY || devn == FH_PROCESS)
-
-/* Return non-zero if PATH1 is a prefix of PATH2.
- Both are assumed to be of the same path style and / vs \ usage.
- Neither may be "".
- LEN1 = strlen (PATH1). It's passed because often it's already known.
-
- Examples:
- /foo/ is a prefix of /foo <-- may seem odd, but desired
- /foo is a prefix of /foo/
- / is a prefix of /foo/bar
- / is not a prefix of foo/bar
- foo/ is a prefix foo/bar
- /foo is not a prefix of /foobar
-*/
-
-int
-path_prefix_p (const char *path1, const char *path2, int len1)
-{
- /* Handle case where PATH1 has trailing '/' and when it doesn't. */
- if (len1 > 0 && SLASH_P (path1[len1 - 1]))
- len1--;
-
- if (len1 == 0)
- return SLASH_P (path2[0]) && !SLASH_P (path2[1]);
-
- if (!pathnmatch (path1, path2, len1))
- return 0;
-
- return SLASH_P (path2[len1]) || path2[len1] == 0 || path1[len1 - 1] == ':';
-}
-
-/* Return non-zero if paths match in first len chars.
- Check is dependent of the case sensitivity setting. */
-int
-pathnmatch (const char *path1, const char *path2, int len)
-{
- return pcheck_case == PCHECK_STRICT ? !strncmp (path1, path2, len)
- : strncasematch (path1, path2, len);
-}
-
-/* Return non-zero if paths match. Check is dependent of the case
- sensitivity setting. */
-int
-pathmatch (const char *path1, const char *path2)
-{
- return pcheck_case == PCHECK_STRICT ? !strcmp (path1, path2)
- : strcasematch (path1, path2);
-}
-
-/* Normalize a POSIX path.
- \'s are converted to /'s in the process.
- All duplicate /'s, except for 2 leading /'s, are deleted.
- The result is 0 for success, or an errno error value. */
-
-#define isslash(c) ((c) == '/')
-
-static int
-normalize_posix_path (const char *src, char *dst)
-{
- const char *src_start = src;
- char *dst_start = dst;
-
- syscall_printf ("src %s", src);
- if (isdrive (src) || strpbrk (src, "\\:"))
- {
- cygwin_conv_to_full_posix_path (src, dst);
- return 0;
- }
- if (!isslash (src[0]))
- {
- if (!cygheap->cwd.get (dst))
- return get_errno ();
- dst = strchr (dst, '\0');
- if (*src == '.')
- {
- if (dst == dst_start + 1 && *dst_start == '/')
- --dst;
- goto sawdot;
- }
- if (dst > dst_start && !isslash (dst[-1]))
- *dst++ = '/';
- }
- /* Two leading /'s? If so, preserve them. */
- else if (isslash (src[1]))
- {
- *dst++ = '/';
- *dst++ = '/';
- src += 2;
- if (isslash (*src))
- { /* Starts with three or more slashes - reset. */
- dst = dst_start;
- *dst++ = '/';
- src = src_start + 1;
- }
- else if (src[0] == '.' && isslash (src[1]))
- {
- *dst++ = '.';
- *dst++ = '/';
- src += 2;
- }
- }
- else
- *dst = '\0';
-
- while (*src)
- {
- /* Strip runs of /'s. */
- if (!isslash (*src))
- *dst++ = *src++;
- else
- {
- while (*++src)
- {
- if (isslash (*src))
- continue;
-
- if (*src != '.')
- break;
-
- sawdot:
- if (src[1] != '.')
- {
- if (!src[1])
- {
- if (dst == dst_start)
- *dst++ = '/';
- goto done;
- }
- if (!isslash (src[1]))
- break;
- }
- else if (src[2] && !isslash (src[2]))
- {
- if (src[2] == '.')
- return ENOENT;
- break;
- }
- else
- {
- while (dst > dst_start && !isslash (*--dst))
- continue;
- src++;
- }
- }
-
- *dst++ = '/';
- }
- if ((dst - dst_start) >= MAX_PATH)
- {
- debug_printf ("ENAMETOOLONG = normalize_posix_path (%s)", src);
- return ENAMETOOLONG;
- }
- }
-
-done:
- *dst = '\0';
- if (--dst > dst_start && isslash (*dst))
- *dst = '\0';
-
- debug_printf ("%s = normalize_posix_path (%s)", dst_start, src_start);
- return 0;
-}
-
-inline void
-path_conv::add_ext_from_sym (symlink_info &sym)
-{
- if (sym.ext_here && *sym.ext_here)
- {
- known_suffix = path + sym.extn;
- if (sym.ext_tacked_on)
- strcpy (known_suffix, sym.ext_here);
- }
-}
-
-static void __stdcall mkrelpath (char *dst) __attribute__ ((regparm (2)));
-static void __stdcall
-mkrelpath (char *path)
-{
- char cwd_win32[MAX_PATH];
- if (!cygheap->cwd.get (cwd_win32, 0))
- return;
-
- unsigned cwdlen = strlen (cwd_win32);
- if (!path_prefix_p (cwd_win32, path, cwdlen))
- return;
-
- size_t n = strlen (path);
- if (n < cwdlen)
- return;
-
- char *tail = path;
- if (n == cwdlen)
- tail += cwdlen;
- else
- tail += isdirsep (cwd_win32[cwdlen - 1]) ? cwdlen : cwdlen + 1;
-
- memmove (path, tail, strlen (tail) + 1);
- if (!*path)
- strcpy (path, ".");
-}
-
-bool
-fs_info::update (const char *win32_path)
-{
- char tmp_buf [MAX_PATH];
- strncpy (tmp_buf, win32_path, MAX_PATH);
-
- if (!rootdir (tmp_buf))
- {
- debug_printf ("Cannot get root component of path %s", win32_path);
- name [0] = '\0';
- sym_opt = flags = serial = 0;
- return false;
- }
-
- if (strcmp (tmp_buf, root_dir) == 0)
- return 1;
-
- strncpy (root_dir, tmp_buf, MAX_PATH);
- drive_type = GetDriveType (root_dir);
- if (drive_type == DRIVE_REMOTE || (drive_type == DRIVE_UNKNOWN && (root_dir[0] == '\\' && root_dir[1] == '\\')))
- is_remote_drive = 1;
- else
- is_remote_drive = 0;
-
- if (!GetVolumeInformation (root_dir, NULL, 0, &serial, NULL, &flags,
- name, sizeof (name)))
- {
- debug_printf ("Cannot get volume information (%s), %E", root_dir);
- name [0] = '\0';
- sym_opt = flags = serial = 0;
- return false;
- }
- /* FIXME: Samba by default returns "NTFS" in file system name, but
- * doesn't support Extended Attributes. If there's some fast way to
- * distinguish between samba and real ntfs, it should be implemented
- * here.
- */
- sym_opt = (!is_remote_drive && strcmp (name, "NTFS") == 0) ? PC_CHECK_EA : 0;
-
- return true;
-}
-
-char *
-path_conv::return_and_clear_normalized_path ()
-{
- char *s = normalized_path;
- normalized_path = NULL;
- return s;
-}
-
-void
-path_conv::fillin (HANDLE h)
-{
- BY_HANDLE_FILE_INFORMATION local;
- if (!GetFileInformationByHandle (h, &local))
- {
- fileattr = INVALID_FILE_ATTRIBUTES;
- fs.serial = 0;
- }
- else
- {
- fileattr = local.dwFileAttributes;
- fs.serial = local.dwVolumeSerialNumber;
- }
- fs.drive_type = DRIVE_UNKNOWN;
-}
-
-/* Convert an arbitrary path SRC to a pure Win32 path, suitable for
- passing to Win32 API routines.
-
- If an error occurs, `error' is set to the errno value.
- Otherwise it is set to 0.
-
- follow_mode values:
- SYMLINK_FOLLOW - convert to PATH symlink points to
- SYMLINK_NOFOLLOW - convert to PATH of symlink itself
- SYMLINK_IGNORE - do not check PATH for symlinks
- SYMLINK_CONTENTS - just return symlink contents
-*/
-
-void
-path_conv::check (const char *src, unsigned opt,
- const suffix_info *suffixes)
-{
- /* This array is used when expanding symlinks. It is MAX_PATH * 2
- in length so that we can hold the expanded symlink plus a
- trailer. */
- char path_copy[MAX_PATH + 3];
- char tmp_buf[2 * MAX_PATH + 3];
- symlink_info sym;
- bool need_directory = 0;
- bool saw_symlinks = 0;
- int is_relpath;
- char *tail;
- sigframe thisframe (mainthread);
-
-#if 0
- static path_conv last_path_conv;
- static char last_src[MAX_PATH + 1];
-
- if (*last_src && strcmp (last_src, src) == 0)
- {
- *this = last_path_conv;
- return;
- }
-#endif
-
- int loop = 0;
- path_flags = 0;
- known_suffix = NULL;
- fileattr = INVALID_FILE_ATTRIBUTES;
- case_clash = false;
- devn = unit = 0;
- fs.root_dir[0] = '\0';
- fs.name[0] = '\0';
- fs.flags = fs.serial = 0;
- fs.sym_opt = 0;
- fs.drive_type = 0;
- fs.is_remote_drive = 0;
- normalized_path = NULL;
-
- if (!(opt & PC_NULLEMPTY))
- error = 0;
- else if ((error = check_null_empty_str (src)))
- return;
- /* This loop handles symlink expansion. */
- for (;;)
- {
- MALLOC_CHECK;
- assert (src);
-
- char *p = strrchr (src, '\0');
- /* Detect if the user was looking for a directory. We have to strip the
- trailing slash initially and add it back on at the end due to Windows
- brain damage. */
- if (--p > src)
- {
- if (isdirsep (*p))
- need_directory = 1;
- else if (--p > src && p[1] == '.' && isdirsep (*p))
- need_directory = 1;
- }
-
- is_relpath = !isabspath (src);
- error = normalize_posix_path (src, path_copy);
- if (error)
- return;
-
- tail = strchr (path_copy, '\0'); // Point to end of copy
- char *path_end = tail;
- tail[1] = '\0';
-
- /* Scan path_copy from right to left looking either for a symlink
- or an actual existing file. If an existing file is found, just
- return. If a symlink is found exit the for loop.
- Also: be careful to preserve the errno returned from
- symlink.check as the caller may need it. */
- /* FIXME: Do we have to worry about multiple \'s here? */
- int component = 0; // Number of translated components
- sym.contents[0] = '\0';
-
- for (;;)
- {
- const suffix_info *suff;
- char pathbuf[MAX_PATH];
- char *full_path;
-
- /* Don't allow symlink.check to set anything in the path_conv
- class if we're working on an inner component of the path */
- if (component)
- {
- suff = NULL;
- sym.pflags = 0;
- full_path = pathbuf;
- }
- else
- {
- suff = suffixes;
- sym.pflags = path_flags;
- full_path = this->path;
- }
-
- /* Convert to native path spec sans symbolic link info. */
- error = mount_table->conv_to_win32_path (path_copy, full_path, devn,
- unit, &sym.pflags, 1);
-
- if (error)
- return;
-
- if (devn == FH_CYGDRIVE)
- {
- if (!component)
- fileattr = FILE_ATTRIBUTE_DIRECTORY;
- else
- {
- devn = FH_BAD;
- fileattr = GetFileAttributes (this->path);
- }
- goto out;
- }
- else if (isvirtual_dev (devn))
- {
- /* FIXME: Calling build_fhandler here is not the right way to handle this. */
- fhandler_virtual *fh =
- (fhandler_virtual *) cygheap->fdtab.build_fhandler (-1, devn, (const char *) path_copy, NULL, unit);
- int file_type = fh->exists ();
- switch (file_type)
- {
- case 1:
- case 2:
- fileattr = FILE_ATTRIBUTE_DIRECTORY;
- break;
- case -1:
- fileattr = 0;
- break;
- default:
- fileattr = INVALID_FILE_ATTRIBUTES;
- break;
- }
- delete fh;
- goto out;
- }
- /* devn should not be a device. If it is, then stop parsing now. */
- else if (devn != FH_BAD)
- {
- fileattr = 0;
- path_flags = sym.pflags;
- if (component)
- {
- error = ENOTDIR;
- return;
- }
- goto out; /* Found a device. Stop parsing. */
- }
-
- if (!fs.update (full_path))
- fs.root_dir[0] = '\0';
-
- /* Eat trailing slashes */
- char *dostail = strchr (full_path, '\0');
-
- /* If path is only a drivename, Windows interprets it as the
- current working directory on this drive instead of the root
- dir which is what we want. So we need the trailing backslash
- in this case. */
- while (dostail > full_path + 3 && (*--dostail == '\\'))
- *tail = '\0';
-
- if (full_path[0] && full_path[1] == ':' && full_path[2] == '\0')
- {
- full_path[2] = '\\';
- full_path[3] = '\0';
- }
-
- if ((opt & PC_SYM_IGNORE) && pcheck_case == PCHECK_RELAXED)
- {
- fileattr = GetFileAttributes (this->path);
- goto out;
- }
-
- int len = sym.check (full_path, suff, opt | fs.sym_opt);
-
- if (sym.case_clash)
- {
- if (pcheck_case == PCHECK_STRICT)
- {
- case_clash = TRUE;
- error = ENOENT;
- goto out;
- }
- /* If pcheck_case==PCHECK_ADJUST the case_clash is remembered
- if the last component is concerned. This allows functions
- which shall create files to avoid overriding already existing
- files with another case. */
- if (!component)
- case_clash = TRUE;
- }
- if (!(opt & PC_SYM_IGNORE))
- {
- if (!component)
- {
- fileattr = sym.fileattr;
- path_flags = sym.pflags;
- }
-
- /* If symlink.check found an existing non-symlink file, then
- it sets the appropriate flag. It also sets any suffix found
- into `ext_here'. */
- if (!sym.is_symlink && sym.fileattr != INVALID_FILE_ATTRIBUTES)
- {
- error = sym.error;
- if (component == 0)
- add_ext_from_sym (sym);
- if (pcheck_case == PCHECK_RELAXED)
- goto out; // file found
- /* Avoid further symlink evaluation. Only case checks are
- done now. */
- opt |= PC_SYM_IGNORE;
- }
- /* Found a symlink if len > 0. If component == 0, then the
- src path itself was a symlink. If !follow_mode then
- we're done. Otherwise we have to insert the path found
- into the full path that we are building and perform all of
- these operations again on the newly derived path. */
- else if (len > 0)
- {
- saw_symlinks = 1;
- if (component == 0 && !need_directory && !(opt & PC_SYM_FOLLOW))
- {
- set_symlink (); // last component of path is a symlink.
- if (opt & PC_SYM_CONTENTS)
- {
- strcpy (path, sym.contents);
- goto out;
- }
- add_ext_from_sym (sym);
- if (pcheck_case == PCHECK_RELAXED)
- goto out;
- /* Avoid further symlink evaluation. Only case checks are
- done now. */
- opt |= PC_SYM_IGNORE;
- }
- else
- break;
- }
- /* No existing file found. */
- }
-
- /* Find the "tail" of the path, e.g. in '/for/bar/baz',
- /baz is the tail. */
- char *newtail = strrchr (path_copy, '/');
- if (tail != path_end)
- *tail = '/';
-
- /* Exit loop if there is no tail or we are at the
- beginning of a UNC path */
- if (!newtail || newtail == path_copy || (newtail == path_copy + 1 && newtail[-1] == '/'))
- goto out; // all done
-
- tail = newtail;
-
- /* Haven't found an existing pathname component yet.
- Pinch off the tail and try again. */
- *tail = '\0';
- component++;
- }
-
- /* Arrive here if above loop detected a symlink. */
- if (++loop > MAX_LINK_DEPTH)
- {
- error = ELOOP; // Eep.
- return;
- }
-
- MALLOC_CHECK;
-
- /* The tail is pointing at a null pointer. Increment it and get the length.
- If the tail was empty then this increment will end up pointing to the extra
- \0 added to path_copy above. */
- int taillen = strlen (++tail);
- int buflen = strlen (sym.contents);
- if (buflen + taillen > MAX_PATH)
- {
- error = ENAMETOOLONG;
- strcpy (path, "::ENAMETOOLONG::");
- return;
- }
-
- /* Strip off current directory component since this is the part that refers
- to the symbolic link. */
- if ((p = strrchr (path_copy, '/')) == NULL)
- p = path_copy;
- else if (p == path_copy)
- p++;
- *p = '\0';
-
- char *headptr;
- if (isabspath (sym.contents))
- headptr = tmp_buf; /* absolute path */
- else
- {
- /* Copy the first part of the path and point to the end. */
- strcpy (tmp_buf, path_copy);
- headptr = strchr (tmp_buf, '\0');
- }
-
- /* See if we need to separate first part + symlink contents with a / */
- if (headptr > tmp_buf && headptr[-1] != '/')
- *headptr++ = '/';
-
- /* Copy the symlink contents to the end of tmp_buf.
- Convert slashes. FIXME? */
- for (p = sym.contents; *p; p++)
- *headptr++ = *p == '\\' ? '/' : *p;
-
- /* Copy any tail component */
- if (tail >= path_end)
- *headptr = '\0';
- else
- {
- *headptr++ = '/';
- strcpy (headptr, tail);
- }
-
- /* Now evaluate everything all over again. */
- src = tmp_buf;
- }
-
- if (!(opt & PC_SYM_CONTENTS))
- add_ext_from_sym (sym);
-
-out:
- if (opt & PC_POSIX)
- {
- if (tail[1] != '\0')
- *tail = '/';
- normalized_path = cstrdup (path_copy);
- }
- /* Deal with Windows stupidity which considers filename\. to be valid
- even when "filename" is not a directory. */
- if (!need_directory || error)
- /* nothing to do */;
- else if (fileattr & FILE_ATTRIBUTE_DIRECTORY)
- path_flags &= ~PATH_SYMLINK;
- else
- {
- debug_printf ("%s is a non-directory", path);
- error = ENOTDIR;
- return;
- }
-
- if (devn == FH_BAD)
- {
- if (!fs.update (path))
- {
- fs.root_dir[0] = '\0';
- set_has_acls (false);
- set_has_buggy_open (false);
- }
- else
- {
- set_isdisk ();
- debug_printf ("root_dir(%s), this->path(%s), set_has_acls(%d)",
- fs.root_dir, this->path, fs.flags & FS_PERSISTENT_ACLS);
- if (!allow_smbntsec && fs.is_remote_drive)
- set_has_acls (false);
- else
- set_has_acls (fs.flags & FS_PERSISTENT_ACLS);
- /* Known file systems with buggy open calls. Further explanation
- in fhandler.cc (fhandler_disk_file::open). */
- set_has_buggy_open (strcmp (fs.name, "SUNWNFS") == 0);
- }
- }
-#if 0
- if (issocket ())
- devn = FH_SOCKET;
-#endif
-
- if (!(opt & PC_FULL))
- {
- if (is_relpath)
- mkrelpath (this->path);
- if (need_directory)
- {
- char n = strlen (this->path);
- /* Do not add trailing \ to UNC device names like \\.\a: */
- if (this->path[n - 1] != '\\' &&
- (strncmp (this->path, "\\\\.\\", 4) != 0 ||
- !strncasematch (this->path + 4, "unc\\", 4)))
- {
- this->path[n] = '\\';
- this->path[n + 1] = '\0';
- }
- }
- }
-
- if (saw_symlinks)
- set_has_symlinks ();
-
- if (!error && !isdir () && !(path_flags & PATH_ALL_EXEC))
- {
- const char *p = strchr (path, '\0') - 4;
- if (p >= path &&
- (strcasematch (".exe", p) ||
- strcasematch (".bat", p) ||
- strcasematch (".com", p)))
- path_flags |= PATH_EXEC;
- }
-
-#if 0
- if (!error)
- {
- last_path_conv = *this;
- strcpy (last_src, src);
- }
-#endif
-}
-
-static __inline int
-digits (const char *name)
-{
- char *p;
- int n = strtol (name, &p, 10);
-
- return p > name && !*p ? n : -1;
-}
-
-const char *windows_device_names[] NO_COPY =
-{
- NULL,
- "\\dev\\console",
- "conin",
- "conout",
- "\\dev\\ttym",
- "\\dev\\tty%d",
- "\\dev\\ptym",
- "\\\\.\\com%d",
- "\\dev\\pipe",
- "\\dev\\piper",
- "\\dev\\pipew",
- "\\dev\\socket",
- "\\dev\\windows",
-
- NULL, NULL, NULL,
-
- "\\dev\\disk",
- "\\dev\\fd%d",
- "\\dev\\st%d",
- "nul",
- "\\dev\\zero",
- "\\dev\\%srandom",
- "\\dev\\mem",
- "\\dev\\clipboard",
- "\\dev\\dsp"
-};
-
-#define deveq(s) (strcasematch (name, (s)))
-#define deveqn(s, n) (strncasematch (name, (s), (n)))
-#define wdeveq(s) (strcasematch (w32_path, (s)))
-#define wdeveqn(s, n) (strncasematch (w32_path, (s), (n)))
-#define udeveq(s) (strcasematch (unix_path, (s)))
-#define udeveqn(s, n) (strncasematch (unix_path, (s), (n)))
-
-static int __stdcall
-get_devn (const char *name, int &unit)
-{
- int devn = FH_BAD;
- name += 5;
- if (deveq ("tty"))
- {
- if (real_tty_attached (myself))
- {
- unit = myself->ctty;
- devn = FH_TTYS;
- }
- else if (myself->ctty > 0)
- devn = FH_CONSOLE;
- }
- else if (deveqn ("tty", 3) && (unit = digits (name + 3)) >= 0)
- devn = FH_TTYS;
- else if (deveq ("ttym"))
- devn = FH_TTYM;
- else if (deveq ("ptmx"))
- devn = FH_PTYM;
- else if (deveq ("windows"))
- devn = FH_WINDOWS;
- else if (deveq ("dsp"))
- devn = FH_OSS_DSP;
- else if (deveq ("conin"))
- devn = FH_CONIN;
- else if (deveq ("conout"))
- devn = FH_CONOUT;
- else if (deveq ("null"))
- devn = FH_NULL;
- else if (deveq ("zero"))
- devn = FH_ZERO;
- else if (deveq ("random") || deveq ("urandom"))
- {
- devn = FH_RANDOM;
- unit = 8 + (deveqn ("u", 1) ? 1 : 0); /* Keep unit Linux conformant */
- }
- else if (deveq ("mem"))
- {
- devn = FH_MEM;
- unit = 1;
- }
- else if (deveq ("clipboard"))
- devn = FH_CLIPBOARD;
- else if (deveq ("port"))
- {
- devn = FH_MEM;
- unit = 4;
- }
- else if (deveqn ("com", 3) && (unit = digits (name + 3)) >= 0 && unit < 100)
- devn = FH_SERIAL;
- else if (deveqn ("ttyS", 4) && (unit = digits (name + 4)) >= 0)
- {
- devn = FH_SERIAL;
- unit++;
- }
- else if (deveq ("pipe"))
- devn = FH_PIPE;
- else if (deveq ("piper"))
- devn = FH_PIPER;
- else if (deveq ("pipew"))
- devn = FH_PIPEW;
- else if (deveq ("tcp") || deveq ("udp") || deveq ("streamsocket")
- || deveq ("dgsocket"))
- devn = FH_SOCKET;
-
- return devn;
-}
-
-/*
- major minor POSIX filename NT filename
- ----- ----- -------------- -------------------------
- FH_TAPE 0 /dev/st0 \device\tape0
- FH_TAPE 1 /dev/st1 \device\tape1
- ...
- FH_TAPE 128 /dev/nst0 \device\tape0
- FH_TAPE 129 /dev/nst1 \device\tape1
- ...
-
- FH_FLOPPY 0 /dev/fd0 \device\floppy0
- FH_FLOPPY 1 /dev/fd1 \device\floppy1
- ...
-
- FH_FLOPPY 16 /dev/scd0 \device\cdrom0
- FH_FLOPPY 17 /dev/scd0 \device\cdrom1
- ...
-
- FH_FLOPPY 32 /dev/sda \device\harddisk0\partition0
- FH_FLOPPY 33 /dev/sda1 \device\harddisk0\partition1
- ...
- FH_FLOPPY 47 /dev/sda15 \device\harddisk0\partition15
-
- FH_FLOPPY 48 /dev/sdb \device\harddisk1\partition0
- FH_FLOPPY 33 /dev/sdb1 \device\harddisk1\partition1
- ...
- FH_FLOPPY 208 /dev/sdl \device\harddisk11\partition0
- ...
- FH_FLOPPY 223 /dev/sdl15 \device\harddisk11\partition15
-
- The following are needed to maintain backward compatibility with
- the old Win32 partitioning scheme on W2K/XP.
-
- FH_FLOPPY 224 from mount tab \\.\A:
- ...
- FH_FLOPPY 250 from mount tab \\.\Z:
-*/
-static int
-get_raw_device_number (const char *name, const char *w32_path, int &unit)
-{
- DWORD devn = FH_BAD;
-
- if (!w32_path) /* New approach using fixed device names. */
- {
- if (deveqn ("st", 2))
- {
- unit = digits (name + 2);
- if (unit >= 0 && unit < 128)
- devn = FH_TAPE;
- }
- else if (deveqn ("nst", 3))
- {
- unit = digits (name + 3) + 128;
- if (unit >= 128 && unit < 256)
- devn = FH_TAPE;
- }
- else if (deveqn ("fd", 2))
- {
- unit = digits (name + 2);
- if (unit >= 0 && unit < 16)
- devn = FH_FLOPPY;
- }
- else if (deveqn ("scd", 3))
- {
- unit = digits (name + 3) + 16;
- if (unit >= 16 && unit < 32)
- devn = FH_FLOPPY;
- }
- else if (deveqn ("sd", 2) && isalpha (name[2]))
- {
- unit = (cyg_tolower (name[2]) - 'a') * 16 + 32;
- if (unit >= 32 && unit < 224)
- if (!name[3])
- devn = FH_FLOPPY;
- else
- {
- int d = digits (name + 3);
- if (d >= 1 && d < 16)
- {
- unit += d;
- devn = FH_FLOPPY;
- }
- }
- }
- }
- else /* Backward compatible checking of mount table device mapping. */
- {
- if (wdeveqn ("tape", 4))
- {
- unit = digits (w32_path + 4);
- /* Norewind tape devices have leading n in name. */
- if (deveqn ("n", 1))
- unit += 128;
- devn = FH_TAPE;
- }
- else if (wdeveqn ("physicaldrive", 13))
- {
- unit = digits (w32_path + 13) * 16 + 32;
- devn = FH_FLOPPY;
- }
- else if (isdrive (w32_path))
- {
- unit = cyg_tolower (w32_path[0]) - 'a' + 224;
- devn = FH_FLOPPY;
- }
- }
- return devn;
-}
-
-static int __stdcall get_device_number (const char *unix_path,
- const char *w32_path, int &unit)
- __attribute__ ((regparm(3)));
-static int __stdcall
-get_device_number (const char *unix_path, const char *w32_path, int &unit)
-{
- DWORD devn = FH_BAD;
- unit = 0;
-
- if (*unix_path == '/' && udeveqn ("/dev/", 5))
- {
- devn = get_devn (unix_path, unit);
- if (devn == FH_BAD && *w32_path == '\\' && wdeveqn ("\\dev\\", 5))
- devn = get_devn (w32_path, unit);
- if (devn == FH_BAD && wdeveqn ("\\\\.\\", 4))
- devn = get_raw_device_number (unix_path + 5, w32_path + 4, unit);
- if (devn == FH_BAD)
- devn = get_raw_device_number (unix_path + 5, NULL, unit);
- }
- else
- {
- char *p = strrchr (unix_path, '/');
- if (p)
- unix_path = p + 1;
- if (udeveqn ("com", 3)
- && (unit = digits (unix_path + 3)) >= 0 && unit < 100)
- devn = FH_SERIAL;
- }
-
- return devn;
-}
-
-/* Return TRUE if src_path is a Win32 device name, filling out the device
- name in win32_path */
-
-static BOOL
-win32_device_name (const char *src_path, char *win32_path,
- DWORD &devn, int &unit)
-{
- const char *devfmt;
-
- devn = get_device_number (src_path, win32_path, unit);
-
- if (devn == FH_BAD)
- return false;
-
- if ((devfmt = windows_device_names[FHDEVN (devn)]) == NULL)
- return false;
- switch (devn)
- {
- case FH_RANDOM:
- __small_sprintf (win32_path, devfmt, unit == 8 ? "" : "u");
- break;
- case FH_TAPE:
- __small_sprintf (win32_path, "\\Device\\Tape%d", unit % 128);
- break;
- case FH_FLOPPY:
- if (unit < 16)
- __small_sprintf (win32_path, "\\Device\\Floppy%d", unit);
- else if (unit < 32)
- __small_sprintf (win32_path, "\\Device\\CdRom%d", unit - 16);
- else if (unit < 224)
- __small_sprintf (win32_path, "\\Device\\Harddisk%d\\Partition%d",
- (unit - 32) / 16, unit % 16);
- else
- __small_sprintf (win32_path, "\\DosDevices\\%c:", unit - 224 + 'A');
- break;
- default:
- __small_sprintf (win32_path, devfmt, unit);
- break;
- }
- return TRUE;
-}
-
-/* Normalize a Win32 path.
- /'s are converted to \'s in the process.
- All duplicate \'s, except for 2 leading \'s, are deleted.
-
- The result is 0 for success, or an errno error value.
- FIXME: A lot of this should be mergeable with the POSIX critter. */
-static int
-normalize_win32_path (const char *src, char *dst)
-{
- const char *src_start = src;
- char *dst_start = dst;
- char *dst_root_start = dst;
- bool beg_src_slash = isdirsep (src[0]);
-
- if (beg_src_slash && isdirsep (src[1]))
- {
- *dst++ = '\\';
- src++;
- if (src[1] == '.' && isdirsep (src[2]))
- {
- *dst++ = '\\';
- *dst++ = '.';
- src += 2;
- }
- }
- else if (strchr (src, ':') == NULL && *src != '/')
- {
- if (!cygheap->cwd.get (dst, 0))
- return get_errno ();
- if (beg_src_slash)
- {
- if (dst[1] == ':')
- dst[2] = '\0';
- else if (slash_unc_prefix_p (dst))
- {
- char *p = strpbrk (dst + 2, "\\/");
- if (p && (p = strpbrk (p + 1, "\\/")))
- *p = '\0';
- }
- }
- if (strlen (dst) + 1 + strlen (src) >= MAX_PATH)
- {
- debug_printf ("ENAMETOOLONG = normalize_win32_path (%s)", src);
- return ENAMETOOLONG;
- }
- dst += strlen (dst);
- if (!beg_src_slash)
- *dst++ = '\\';
- }
-
- while (*src)
- {
- /* Strip duplicate /'s. */
- if (SLASH_P (src[0]) && SLASH_P (src[1]))
- src++;
- /* Ignore "./". */
- else if (src[0] == '.' && SLASH_P (src[1])
- && (src == src_start || SLASH_P (src[-1])))
- src += 2;
-
- /* Backup if "..". */
- else if (src[0] == '.' && src[1] == '.'
- /* dst must be greater than dst_start */
- && dst[-1] == '\\'
- && (SLASH_P (src[2]) || src[2] == 0))
- {
- /* Back up over /, but not if it's the first one. */
- if (dst > dst_root_start + 1)
- dst--;
- /* Now back up to the next /. */
- while (dst > dst_root_start + 1 && dst[-1] != '\\' && dst[-2] != ':')
- dst--;
- src += 2;
- if (SLASH_P (*src))
- src++;
- }
- /* Otherwise, add char to result. */
- else
- {
- if (*src == '/')
- *dst++ = '\\';
- else
- *dst++ = *src;
- ++src;
- }
- if ((dst - dst_start) >= MAX_PATH)
- return ENAMETOOLONG;
- }
- *dst = 0;
- debug_printf ("%s = normalize_win32_path (%s)", dst_start, src_start);
- return 0;
-}
-
-/* Various utilities. */
-
-/* slashify: Convert all back slashes in src path to forward slashes
- in dst path. Add a trailing slash to dst when trailing_slash_p arg
- is set to 1. */
-
-static void
-slashify (const char *src, char *dst, int trailing_slash_p)
-{
- const char *start = src;
-
- while (*src)
- {
- if (*src == '\\')
- *dst++ = '/';
- else
- *dst++ = *src;
- ++src;
- }
- if (trailing_slash_p
- && src > start
- && !isdirsep (src[-1]))
- *dst++ = '/';
- *dst++ = 0;
-}
-
-/* backslashify: Convert all forward slashes in src path to back slashes
- in dst path. Add a trailing slash to dst when trailing_slash_p arg
- is set to 1. */
-
-static void
-backslashify (const char *src, char *dst, int trailing_slash_p)
-{
- const char *start = src;
-
- while (*src)
- {
- if (*src == '/')
- *dst++ = '\\';
- else
- *dst++ = *src;
- ++src;
- }
- if (trailing_slash_p
- && src > start
- && !isdirsep (src[-1]))
- *dst++ = '\\';
- *dst++ = 0;
-}
-
-/* nofinalslash: Remove trailing / and \ from SRC (except for the
- first one). It is ok for src == dst. */
-
-void __stdcall
-nofinalslash (const char *src, char *dst)
-{
- int len = strlen (src);
- if (src != dst)
- memcpy (dst, src, len + 1);
- while (len > 1 && SLASH_P (dst[--len]))
- dst[len] = '\0';
-}
-
-/* slash_unc_prefix_p: Return non-zero if PATH begins with //UNC/SHARE */
-
-int __stdcall
-slash_unc_prefix_p (const char *path)
-{
- char *p = NULL;
- int ret = (isdirsep (path[0])
- && isdirsep (path[1])
- && isalpha (path[2])
- && path[3] != 0
- && !isdirsep (path[3])
- && ((p = strpbrk(path + 3, "\\/")) != NULL));
- if (!ret || p == NULL)
- return ret;
- return ret && isalnum (p[1]);
-}
-
-/* conv_path_list: Convert a list of path names to/from Win32/POSIX. */
-
-static void
-conv_path_list (const char *src, char *dst, int to_posix_p)
-{
- char *s;
- char *d = dst;
- char src_delim = to_posix_p ? ';' : ':';
- char dst_delim = to_posix_p ? ':' : ';';
- int (*conv_fn) (const char *, char *) = (to_posix_p
- ? cygwin_conv_to_posix_path
- : cygwin_conv_to_win32_path);
-
- char *srcbuf = (char *) alloca (strlen (src) + 1);
-
- for (;;)
- {
- s = strccpy (srcbuf, &src, src_delim);
- int len = s - srcbuf;
- if (len >= MAX_PATH)
- srcbuf[MAX_PATH - 1] = '\0';
- (*conv_fn) (len ? srcbuf : ".", d);
- if (!*src++)
- break;
- d = strchr (d, '\0');
- *d++ = dst_delim;
- }
-}
-
-/* init: Initialize the mount table. */
-
-void
-mount_info::init ()
-{
- nmounts = 0;
-
- /* Fetch the mount table and cygdrive-related information from
- the registry. */
- from_registry ();
-}
-
-static void
-set_flags (unsigned *flags, unsigned val)
-{
- *flags = val;
- if (!(*flags & PATH_BINARY))
- {
- *flags |= PATH_TEXT;
- debug_printf ("flags: text (%p)", *flags & (PATH_TEXT | PATH_BINARY));
- }
- else
- {
- *flags |= PATH_BINARY;
- debug_printf ("flags: binary (%p)", *flags & (PATH_TEXT | PATH_BINARY));
- }
-}
-
-/* conv_to_win32_path: Ensure src_path is a pure Win32 path and store
- the result in win32_path.
-
- If win32_path != NULL, the relative path, if possible to keep, is
- stored in win32_path. If the relative path isn't possible to keep,
- the full path is stored.
-
- If full_win32_path != NULL, the full path is stored there.
-
- The result is zero for success, or an errno value.
-
- {,full_}win32_path must have sufficient space (i.e. MAX_PATH bytes). */
-
-int
-mount_info::conv_to_win32_path (const char *src_path, char *dst,
- DWORD &devn, int &unit, unsigned *flags,
- bool no_normalize)
-{
- while (sys_mount_table_counter < cygwin_shared->sys_mount_table_counter)
- {
- init ();
- sys_mount_table_counter++;
- }
- int src_path_len = strlen (src_path);
- MALLOC_CHECK;
- unsigned dummy_flags;
- int chroot_ok = !cygheap->root.exists ();
-
- devn = FH_BAD;
- unit = 0;
-
- if (!flags)
- flags = &dummy_flags;
-
- *flags = 0;
- debug_printf ("conv_to_win32_path (%s)", src_path);
-
- if (src_path_len >= MAX_PATH)
- {
- debug_printf ("ENAMETOOLONG = conv_to_win32_path (%s)", src_path);
- return ENAMETOOLONG;
- }
-
- int i, rc;
- mount_item *mi = NULL; /* initialized to avoid compiler warning */
- char pathbuf[MAX_PATH];
-
- if (dst == NULL)
- goto out; /* Sanity check. */
-
- /* An MS-DOS spec has either a : or a \. If this is found, short
- circuit most of the rest of this function. */
- if (strpbrk (src_path, ":\\") != NULL || slash_unc_prefix_p (src_path))
- {
- debug_printf ("%s already win32", src_path);
- rc = normalize_win32_path (src_path, dst);
- if (rc)
- {
- debug_printf ("normalize_win32_path failed, rc %d", rc);
- return rc;
- }
-
- set_flags (flags, (unsigned) set_flags_from_win32_path (dst));
- goto out;
- }
-
- /* Normalize the path, taking out ../../ stuff, we need to do this
- so that we can move from one mounted directory to another with relative
- stuff.
-
- eg mounting c:/foo /foo
- d:/bar /bar
-
- cd /bar
- ls ../foo
-
- should look in c:/foo, not d:/foo.
-
- We do this by first getting an absolute UNIX-style path and then
- converting it to a DOS-style path, looking up the appropriate drive
- in the mount table. */
-
- if (no_normalize)
- strcpy (pathbuf, src_path);
- else
- {
- rc = normalize_posix_path (src_path, pathbuf);
-
- if (rc)
- {
- debug_printf ("%d = conv_to_win32_path (%s)", rc, src_path);
- return rc;
- }
- }
-
- /* See if this is a cygwin "device" */
- if (win32_device_name (pathbuf, dst, devn, unit))
- {
- *flags = MOUNT_BINARY; /* FIXME: Is this a sensible default for devices? */
- rc = 0;
- goto out_no_chroot_check;
- }
-
- /* Check if the cygdrive prefix was specified. If so, just strip
- off the prefix and transform it into an MS-DOS path. */
- MALLOC_CHECK;
- if (isproc (pathbuf))
- {
- devn = fhandler_proc::get_proc_fhandler (pathbuf);
- if (devn == FH_BAD)
- return ENOENT;
- }
- else if (iscygdrive (pathbuf))
- {
- int n = mount_table->cygdrive_len - 1;
- if (!pathbuf[n] ||
- (pathbuf[n] == '/' && pathbuf[n + 1] == '.' && !pathbuf[n + 2]))
- {
- unit = 0;
- dst[0] = '\0';
- if (mount_table->cygdrive_len > 1)
- devn = FH_CYGDRIVE;
- }
- else if (cygdrive_win32_path (pathbuf, dst, unit))
- {
- set_flags (flags, (unsigned) cygdrive_flags);
- goto out;
- }
- else if (mount_table->cygdrive_len > 1)
- return ENOENT;
- }
-
- int chrooted_path_len;
- chrooted_path_len = 0;
- /* Check the mount table for prefix matches. */
- for (i = 0; i < nmounts; i++)
- {
- const char *path;
- int len;
-
- mi = mount + posix_sorted[i];
- if (!cygheap->root.exists ()
- || (mi->posix_pathlen == 1 && mi->posix_path[0] == '/'))
- {
- path = mi->posix_path;
- len = mi->posix_pathlen;
- }
- else if (cygheap->root.posix_ok (mi->posix_path))
- {
- path = cygheap->root.unchroot (mi->posix_path);
- chrooted_path_len = len = strlen (path);
- }
- else
- {
- chrooted_path_len = 0;
- continue;
- }
-
- if (path_prefix_p (path, pathbuf, len))
- break;
- }
-
- if (i >= nmounts)
- {
- backslashify (pathbuf, dst, 0); /* just convert */
- set_flags (flags, PATH_BINARY);
- }
- else
- {
- int n;
- const char *native_path;
- int posix_pathlen;
- if (chroot_ok || chrooted_path_len || mi->posix_pathlen != 1
- || mi->posix_path[0] != '/')
- {
- n = mi->native_pathlen;
- native_path = mi->native_path;
- posix_pathlen = chrooted_path_len ?: mi->posix_pathlen;
- chroot_ok = 1;
- }
- else
- {
- n = cygheap->root.native_length ();
- native_path = cygheap->root.native_path ();
- posix_pathlen = mi->posix_pathlen;
- chroot_ok = 1;
- }
- memcpy (dst, native_path, n + 1);
- const char *p = pathbuf + posix_pathlen;
- if (*p == '/')
- /* nothing */;
- else if ((isdrive (dst) && !dst[2]) || *p)
- dst[n++] = '\\';
- strcpy (dst + n, p);
- backslashify (dst, dst, 0);
- set_flags (flags, (unsigned) mi->flags);
- }
-
- if (!isvirtual_dev (devn))
- win32_device_name (src_path, dst, devn, unit);
-
- out:
- MALLOC_CHECK;
- if (chroot_ok || cygheap->root.ischroot_native (dst))
- rc = 0;
- else
- {
- debug_printf ("attempt to access outside of chroot '%s = %s'",
- cygheap->root.posix_path (), cygheap->root.native_path ());
- rc = ENOENT;
- }
-
- out_no_chroot_check:
- debug_printf ("src_path %s, dst %s, flags %p, rc %d", src_path, dst, *flags, rc);
- return rc;
-}
-
-/* cygdrive_posix_path: Build POSIX path used as the
- mount point for cygdrives created when there is no other way to
- obtain a POSIX path from a Win32 one. */
-
-void
-mount_info::cygdrive_posix_path (const char *src, char *dst, int trailing_slash_p)
-{
- int len = cygdrive_len;
-
- memcpy (dst, cygdrive, len + 1);
-
- /* Now finish the path off with the drive letter to be used.
- The cygdrive prefix always ends with a trailing slash so
- the drive letter is added after the path. */
- dst[len++] = cyg_tolower (src[0]);
- if (!src[2] || (SLASH_P (src[2]) && !src[3]))
- dst[len++] = '\000';
- else
- {
- int n;
- dst[len++] = '/';
- if (SLASH_P (src[2]))
- n = 3;
- else
- n = 2;
- strcpy (dst + len, src + n);
- }
- slashify (dst, dst, trailing_slash_p);
-}
-
-int
-mount_info::cygdrive_win32_path (const char *src, char *dst, int& unit)
-{
- int res;
- const char *p = src + cygdrive_len;
- if (!isalpha (*p) || (!isdirsep (p[1]) && p[1]))
- {
- unit = -1;
- dst[0] = '\0';
- res = 0;
- }
- else
- {
- dst[0] = cyg_tolower (*p);
- dst[1] = ':';
- strcpy (dst + 2, p + 1);
- backslashify (dst, dst, !dst[2]);
- unit = dst[0];
- res = 1;
- }
- debug_printf ("src '%s', dst '%s'", src, dst);
- return res;
-}
-
-/* conv_to_posix_path: Ensure src_path is a POSIX path.
-
- The result is zero for success, or an errno value.
- posix_path must have sufficient space (i.e. MAX_PATH bytes).
- If keep_rel_p is non-zero, relative paths stay that way. */
-
-int
-mount_info::conv_to_posix_path (const char *src_path, char *posix_path,
- int keep_rel_p)
-{
- int src_path_len = strlen (src_path);
- int relative_path_p = !isabspath (src_path);
- int trailing_slash_p;
-
- if (src_path_len <= 1)
- trailing_slash_p = 0;
- else
- {
- const char *lastchar = src_path + src_path_len - 1;
- trailing_slash_p = SLASH_P (*lastchar) && lastchar[-1] != ':';
- }
-
- debug_printf ("conv_to_posix_path (%s, %s, %s)", src_path,
- keep_rel_p ? "keep-rel" : "no-keep-rel",
- trailing_slash_p ? "add-slash" : "no-add-slash");
- MALLOC_CHECK;
-
- if (src_path_len >= MAX_PATH)
- {
- debug_printf ("ENAMETOOLONG");
- return ENAMETOOLONG;
- }
-
- /* FIXME: For now, if the path is relative and it's supposed to stay
- that way, skip mount table processing. */
-
- if (keep_rel_p && relative_path_p)
- {
- slashify (src_path, posix_path, 0);
- debug_printf ("%s = conv_to_posix_path (%s)", posix_path, src_path);
- return 0;
- }
-
- char pathbuf[MAX_PATH];
- int rc = normalize_win32_path (src_path, pathbuf);
- if (rc != 0)
- {
- debug_printf ("%d = conv_to_posix_path (%s)", rc, src_path);
- return rc;
- }
-
- int pathbuflen = strlen (pathbuf);
- for (int i = 0; i < nmounts; ++i)
- {
- mount_item &mi = mount[native_sorted[i]];
- if (!path_prefix_p (mi.native_path, pathbuf, mi.native_pathlen))
- continue;
-
- if (cygheap->root.exists () && !cygheap->root.posix_ok (mi.posix_path))
- continue;
-
- /* SRC_PATH is in the mount table. */
- int nextchar;
- const char *p = pathbuf + mi.native_pathlen;
-
- if (!*p || !p[1])
- nextchar = 0;
- else if (isdirsep (*p))
- nextchar = -1;
- else
- nextchar = 1;
-
- int addslash = nextchar > 0 ? 1 : 0;
- if ((mi.posix_pathlen + (pathbuflen - mi.native_pathlen) + addslash) >= MAX_PATH)
- return ENAMETOOLONG;
- strcpy (posix_path, mi.posix_path);
- if (addslash)
- strcat (posix_path, "/");
- if (nextchar)
- slashify (p,
- posix_path + addslash + (mi.posix_pathlen == 1 ? 0 : mi.posix_pathlen),
- trailing_slash_p);
-
- if (cygheap->root.exists ())
- {
- const char *p = cygheap->root.unchroot (posix_path);
- memmove (posix_path, p, strlen (p) + 1);
- }
- goto out;
- }
-
- if (!cygheap->root.exists ())
- /* nothing */;
- else if (cygheap->root.ischroot_native (pathbuf))
- {
- const char *p = pathbuf + cygheap->root.native_length ();
- if (*p)
- slashify (p, posix_path, trailing_slash_p);
- else
- {
- posix_path[0] = '/';
- posix_path[1] = '\0';
- }
- }
- else
- return ENOENT;
-
- /* Not in the database. This should [theoretically] only happen if either
- the path begins with //, or / isn't mounted, or the path has a drive
- letter not covered by the mount table. If it's a relative path then the
- caller must want an absolute path (otherwise we would have returned
- above). So we always return an absolute path at this point. */
- if (isdrive (pathbuf))
- cygdrive_posix_path (pathbuf, posix_path, trailing_slash_p);
- else
- {
- /* The use of src_path and not pathbuf here is intentional.
- We couldn't translate the path, so just ensure no \'s are present. */
- slashify (src_path, posix_path, trailing_slash_p);
- }
-
-out:
- debug_printf ("%s = conv_to_posix_path (%s)", posix_path, src_path);
- MALLOC_CHECK;
- return 0;
-}
-
-/* Return flags associated with a mount point given the win32 path. */
-
-unsigned
-mount_info::set_flags_from_win32_path (const char *p)
-{
- for (int i = 0; i < nmounts; i++)
- {
- mount_item &mi = mount[native_sorted[i]];
- if (path_prefix_p (mi.native_path, p, mi.native_pathlen))
- return mi.flags;
- }
- return PATH_BINARY;
-}
-
-/* read_mounts: Given a specific regkey, read mounts from under its
- key. */
-
-void
-mount_info::read_mounts (reg_key& r)
-{
- char posix_path[MAX_PATH];
- HKEY key = r.get_key ();
- DWORD i, posix_path_size;
- int res;
-
- /* Loop through subkeys */
- /* FIXME: we would like to not check MAX_MOUNTS but the heap in the
- shared area is currently statically allocated so we can't have an
- arbitrarily large number of mounts. */
- for (i = 0; ; i++)
- {
- char native_path[MAX_PATH];
- int mount_flags;
-
- posix_path_size = MAX_PATH;
- /* FIXME: if maximum posix_path_size is 256, we're going to
- run into problems if we ever try to store a mount point that's
- over 256 but is under MAX_PATH. */
- res = RegEnumKeyEx (key, i, posix_path, &posix_path_size, NULL,
- NULL, NULL, NULL);
-
- if (res == ERROR_NO_MORE_ITEMS)
- break;
- else if (res != ERROR_SUCCESS)
- {
- debug_printf ("RegEnumKeyEx failed, error %d!\n", res);
- break;
- }
-
- /* Get a reg_key based on i. */
- reg_key subkey = reg_key (key, KEY_READ, posix_path, NULL);
-
- /* Fetch info from the subkey. */
- subkey.get_string ("native", native_path, sizeof (native_path), "");
- mount_flags = subkey.get_int ("flags", 0);
-
- /* Add mount_item corresponding to registry mount point. */
- res = mount_table->add_item (native_path, posix_path, mount_flags, false);
- if (res && get_errno () == EMFILE)
- break; /* The number of entries exceeds MAX_MOUNTS */
- }
-}
-
-/* from_registry: Build the entire mount table from the registry. Also,
- read in cygdrive-related information from its registry location. */
-
-void
-mount_info::from_registry ()
-{
- /* Use current mount areas if either user or system mount areas
- already exist. Otherwise, import old mounts. */
-
- reg_key r;
-
- /* Retrieve cygdrive-related information. */
- read_cygdrive_info_from_registry ();
-
- nmounts = 0;
-
- /* First read mounts from user's table. */
- read_mounts (r);
-
- /* Then read mounts from system-wide mount table. */
- reg_key r1 (HKEY_LOCAL_MACHINE, KEY_READ, "SOFTWARE",
- CYGWIN_INFO_CYGNUS_REGISTRY_NAME, CYGWIN_REGNAME,
- CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME,
- NULL);
- read_mounts (r1);
-}
-
-/* add_reg_mount: Add mount item to registry. Return zero on success,
- non-zero on failure. */
-/* FIXME: Need a mutex to avoid collisions with other tasks. */
-
-int
-mount_info::add_reg_mount (const char * native_path, const char * posix_path, unsigned mountflags)
-{
- int res = 0;
-
- /* Add the mount to the right registry location, depending on
- whether MOUNT_SYSTEM is set in the mount flags. */
- if (!(mountflags & MOUNT_SYSTEM)) /* current_user mount */
- {
- /* reg_key for user mounts in HKEY_CURRENT_USER. */
- reg_key reg_user;
-
- /* Start by deleting existing mount if one exists. */
- res = reg_user.kill (posix_path);
- if (res != ERROR_SUCCESS && res != ERROR_FILE_NOT_FOUND)
- goto err;
-
- /* Create the new mount. */
- reg_key subkey = reg_key (reg_user.get_key (),
- KEY_ALL_ACCESS,
- posix_path, NULL);
- res = subkey.set_string ("native", native_path);
- if (res != ERROR_SUCCESS)
- goto err;
- res = subkey.set_int ("flags", mountflags);
- }
- else /* local_machine mount */
- {
- /* reg_key for system mounts in HKEY_LOCAL_MACHINE. */
- reg_key reg_sys (HKEY_LOCAL_MACHINE, KEY_ALL_ACCESS, "SOFTWARE",
- CYGWIN_INFO_CYGNUS_REGISTRY_NAME, CYGWIN_REGNAME,
- CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME,
- NULL);
-
- /* Start by deleting existing mount if one exists. */
- res = reg_sys.kill (posix_path);
- if (res != ERROR_SUCCESS && res != ERROR_FILE_NOT_FOUND)
- goto err;
-
- /* Create the new mount. */
- reg_key subkey = reg_key (reg_sys.get_key (),
- KEY_ALL_ACCESS,
- posix_path, NULL);
- res = subkey.set_string ("native", native_path);
- if (res != ERROR_SUCCESS)
- goto err;
- res = subkey.set_int ("flags", mountflags);
-
- sys_mount_table_counter++;
- cygwin_shared->sys_mount_table_counter++;
- }
-
- return 0; /* Success */
- err:
- __seterrno_from_win_error (res);
- return -1;
-}
-
-/* del_reg_mount: delete mount item from registry indicated in flags.
- Return zero on success, non-zero on failure.*/
-/* FIXME: Need a mutex to avoid collisions with other tasks. */
-
-int
-mount_info::del_reg_mount (const char * posix_path, unsigned flags)
-{
- int res;
-
- if (!(flags & MOUNT_SYSTEM)) /* Delete from user registry */
- {
- reg_key reg_user (KEY_ALL_ACCESS,
- CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME, NULL);
- res = reg_user.kill (posix_path);
- }
- else /* Delete from system registry */
- {
- sys_mount_table_counter++;
- cygwin_shared->sys_mount_table_counter++;
- reg_key reg_sys (HKEY_LOCAL_MACHINE, KEY_ALL_ACCESS, "SOFTWARE",
- CYGWIN_INFO_CYGNUS_REGISTRY_NAME, CYGWIN_REGNAME,
- CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME,
- NULL);
- res = reg_sys.kill (posix_path);
- }
-
- if (res != ERROR_SUCCESS)
- {
- __seterrno_from_win_error (res);
- return -1;
- }
-
- return 0; /* Success */
-}
-
-/* read_cygdrive_info_from_registry: Read the default prefix and flags
- to use when creating cygdrives from the special user registry
- location used to store cygdrive information. */
-
-void
-mount_info::read_cygdrive_info_from_registry ()
-{
- /* reg_key for user path prefix in HKEY_CURRENT_USER. */
- reg_key r;
-
- if (r.get_string (CYGWIN_INFO_CYGDRIVE_PREFIX, cygdrive, sizeof (cygdrive), "") != 0)
- {
- /* Didn't find the user path prefix so check the system path prefix. */
-
- /* reg_key for system path prefix in HKEY_LOCAL_MACHINE. */
- reg_key r2 (HKEY_LOCAL_MACHINE, KEY_READ, "SOFTWARE",
- CYGWIN_INFO_CYGNUS_REGISTRY_NAME, CYGWIN_REGNAME,
- CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME,
- NULL);
-
- if (r2.get_string (CYGWIN_INFO_CYGDRIVE_PREFIX, cygdrive,
- sizeof (cygdrive), ""))
- strcpy (cygdrive, CYGWIN_INFO_CYGDRIVE_DEFAULT_PREFIX);
- cygdrive_flags = r2.get_int (CYGWIN_INFO_CYGDRIVE_FLAGS, MOUNT_CYGDRIVE);
- slashify (cygdrive, cygdrive, 1);
- cygdrive_len = strlen (cygdrive);
- }
- else
- {
- /* Fetch user cygdrive_flags from registry; returns MOUNT_CYGDRIVE on
- error. */
- cygdrive_flags = r.get_int (CYGWIN_INFO_CYGDRIVE_FLAGS, MOUNT_CYGDRIVE);
- slashify (cygdrive, cygdrive, 1);
- cygdrive_len = strlen (cygdrive);
- }
-}
-
-/* write_cygdrive_info_to_registry: Write the default prefix and flags
- to use when creating cygdrives to the special user registry
- location used to store cygdrive information. */
-
-int
-mount_info::write_cygdrive_info_to_registry (const char *cygdrive_prefix, unsigned flags)
-{
- /* Determine whether to modify user or system cygdrive path prefix. */
- HKEY top = (flags & MOUNT_SYSTEM) ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
-
- if (flags & MOUNT_SYSTEM)
- {
- sys_mount_table_counter++;
- cygwin_shared->sys_mount_table_counter++;
- }
-
- /* reg_key for user path prefix in HKEY_CURRENT_USER or system path prefix in
- HKEY_LOCAL_MACHINE. */
- reg_key r (top, KEY_ALL_ACCESS, "SOFTWARE",
- CYGWIN_INFO_CYGNUS_REGISTRY_NAME, CYGWIN_REGNAME,
- CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME,
- NULL);
-
- /* Verify cygdrive prefix starts with a forward slash and if there's
- another character, it's not a slash. */
- if ((cygdrive_prefix == NULL) || (*cygdrive_prefix == 0) ||
- (!isslash (cygdrive_prefix[0])) ||
- ((cygdrive_prefix[1] != '\0') && (isslash (cygdrive_prefix[1]))))
- {
- set_errno (EINVAL);
- return -1;
- }
-
- char hold_cygdrive_prefix[strlen (cygdrive_prefix) + 1];
- /* Ensure that there is never a final slash */
- nofinalslash (cygdrive_prefix, hold_cygdrive_prefix);
-
- int res;
- res = r.set_string (CYGWIN_INFO_CYGDRIVE_PREFIX, hold_cygdrive_prefix);
- if (res != ERROR_SUCCESS)
- {
- __seterrno_from_win_error (res);
- return -1;
- }
- r.set_int (CYGWIN_INFO_CYGDRIVE_FLAGS, flags);
-
- /* This also needs to go in the in-memory copy of "cygdrive", but only if
- appropriate:
- 1. setting user path prefix, or
- 2. overwriting (a previous) system path prefix */
- if (!(flags & MOUNT_SYSTEM) || (mount_table->cygdrive_flags & MOUNT_SYSTEM))
- {
- slashify (cygdrive_prefix, mount_table->cygdrive, 1);
- mount_table->cygdrive_flags = flags;
- mount_table->cygdrive_len = strlen (mount_table->cygdrive);
- }
-
- return 0;
-}
-
-int
-mount_info::remove_cygdrive_info_from_registry (const char *cygdrive_prefix, unsigned flags)
-{
- /* Determine whether to modify user or system cygdrive path prefix. */
- HKEY top = (flags & MOUNT_SYSTEM) ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
-
- if (flags & MOUNT_SYSTEM)
- {
- sys_mount_table_counter++;
- cygwin_shared->sys_mount_table_counter++;
- }
-
- /* reg_key for user path prefix in HKEY_CURRENT_USER or system path prefix in
- HKEY_LOCAL_MACHINE. */
- reg_key r (top, KEY_ALL_ACCESS, "SOFTWARE",
- CYGWIN_INFO_CYGNUS_REGISTRY_NAME, CYGWIN_REGNAME,
- CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME,
- NULL);
-
- /* Delete cygdrive prefix and flags. */
- int res = r.killvalue (CYGWIN_INFO_CYGDRIVE_PREFIX);
- int res2 = r.killvalue (CYGWIN_INFO_CYGDRIVE_FLAGS);
-
- /* Reinitialize the cygdrive path prefix to reflect to removal from the
- registry. */
- read_cygdrive_info_from_registry ();
-
- return (res != ERROR_SUCCESS) ? res : res2;
-}
-
-int
-mount_info::get_cygdrive_info (char *user, char *system, char* user_flags,
- char* system_flags)
-{
- /* Get the user path prefix from HKEY_CURRENT_USER. */
- reg_key r;
- int res = r.get_string (CYGWIN_INFO_CYGDRIVE_PREFIX, user, MAX_PATH, "");
-
- /* Get the user flags, if appropriate */
- if (res == ERROR_SUCCESS)
- {
- int flags = r.get_int (CYGWIN_INFO_CYGDRIVE_FLAGS, MOUNT_CYGDRIVE);
- strcpy (user_flags, (flags & MOUNT_BINARY) ? "binmode" : "textmode");
- }
-
- /* Get the system path prefix from HKEY_LOCAL_MACHINE. */
- reg_key r2 (HKEY_LOCAL_MACHINE, KEY_READ, "SOFTWARE",
- CYGWIN_INFO_CYGNUS_REGISTRY_NAME, CYGWIN_REGNAME,
- CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME,
- NULL);
- int res2 = r2.get_string (CYGWIN_INFO_CYGDRIVE_PREFIX, system, MAX_PATH, "");
-
- /* Get the system flags, if appropriate */
- if (res2 == ERROR_SUCCESS)
- {
- int flags = r2.get_int (CYGWIN_INFO_CYGDRIVE_FLAGS, MOUNT_CYGDRIVE);
- strcpy (system_flags, (flags & MOUNT_BINARY) ? "binmode" : "textmode");
- }
-
- return (res != ERROR_SUCCESS) ? res : res2;
-}
-
-static mount_item *mounts_for_sort;
-
-/* sort_by_posix_name: qsort callback to sort the mount entries. Sort
- user mounts ahead of system mounts to the same POSIX path. */
-/* FIXME: should the user should be able to choose whether to
- prefer user or system mounts??? */
-static int
-sort_by_posix_name (const void *a, const void *b)
-{
- mount_item *ap = mounts_for_sort + (*((int*) a));
- mount_item *bp = mounts_for_sort + (*((int*) b));
-
- /* Base weighting on longest posix path first so that the most
- obvious path will be chosen. */
- size_t alen = strlen (ap->posix_path);
- size_t blen = strlen (bp->posix_path);
-
- int res = blen - alen;
-
- if (res)
- return res; /* Path lengths differed */
-
- /* The two paths were the same length, so just determine normal
- lexical sorted order. */
- res = strcmp (ap->posix_path, bp->posix_path);
-
- if (res == 0)
- {
- /* need to select between user and system mount to same POSIX path */
- if (!(bp->flags & MOUNT_SYSTEM)) /* user mount */
- return 1;
- else
- return -1;
- }
-
- return res;
-}
-
-/* sort_by_native_name: qsort callback to sort the mount entries. Sort
- user mounts ahead of system mounts to the same POSIX path. */
-/* FIXME: should the user should be able to choose whether to
- prefer user or system mounts??? */
-static int
-sort_by_native_name (const void *a, const void *b)
-{
- mount_item *ap = mounts_for_sort + (*((int*) a));
- mount_item *bp = mounts_for_sort + (*((int*) b));
-
- /* Base weighting on longest win32 path first so that the most
- obvious path will be chosen. */
- size_t alen = strlen (ap->native_path);
- size_t blen = strlen (bp->native_path);
-
- int res = blen - alen;
-
- if (res)
- return res; /* Path lengths differed */
-
- /* The two paths were the same length, so just determine normal
- lexical sorted order. */
- res = strcmp (ap->native_path, bp->native_path);
-
- if (res == 0)
- {
- /* need to select between user and system mount to same POSIX path */
- if (!(bp->flags & MOUNT_SYSTEM)) /* user mount */
- return 1;
- else
- return -1;
- }
-
- return res;
-}
-
-void
-mount_info::sort ()
-{
- for (int i = 0; i < nmounts; i++)
- native_sorted[i] = posix_sorted[i] = i;
- /* Sort them into reverse length order, otherwise we won't
- be able to look for /foo in /. */
- mounts_for_sort = mount; /* ouch. */
- qsort (posix_sorted, nmounts, sizeof (posix_sorted[0]), sort_by_posix_name);
- qsort (native_sorted, nmounts, sizeof (native_sorted[0]), sort_by_native_name);
-}
-
-/* Add an entry to the mount table.
- Returns 0 on success, -1 on failure and errno is set.
-
- This is where all argument validation is done. It may not make sense to
- do this when called internally, but it's cleaner to keep it all here. */
-
-int
-mount_info::add_item (const char *native, const char *posix, unsigned mountflags, int reg_p)
-{
- /* Something's wrong if either path is NULL or empty, or if it's
- not a UNC or absolute path. */
-
- if ((native == NULL) || (*native == 0) ||
- (posix == NULL) || (*posix == 0) ||
- !isabspath (native) || !isabspath (posix) ||
- slash_unc_prefix_p (posix) || isdrive (posix))
- {
- set_errno (EINVAL);
- return -1;
- }
-
- /* Make sure both paths do not end in /. */
- char nativetmp[MAX_PATH];
- char posixtmp[MAX_PATH];
-
- backslashify (native, nativetmp, 0);
- nofinalslash (nativetmp, nativetmp);
-
- slashify (posix, posixtmp, 0);
- nofinalslash (posixtmp, posixtmp);
-
- debug_printf ("%s[%s], %s[%s], %p",
- native, nativetmp, posix, posixtmp, mountflags);
-
- /* Duplicate /'s in path are an error. */
- for (char *p = posixtmp + 1; *p; ++p)
- {
- if (p[-1] == '/' && p[0] == '/')
- {
- set_errno (EINVAL);
- return -1;
- }
- }
-
- /* Write over an existing mount item with the same POSIX path if
- it exists and is from the same registry area. */
- int i;
- for (i = 0; i < nmounts; i++)
- {
- if (strcasematch (mount[i].posix_path, posixtmp) &&
- (mount[i].flags & MOUNT_SYSTEM) == (mountflags & MOUNT_SYSTEM))
- break;
- }
-
- if (i == nmounts && nmounts == MAX_MOUNTS)
- {
- set_errno (EMFILE);
- return -1;
- }
-
- if (reg_p && add_reg_mount (nativetmp, posixtmp, mountflags))
- return -1;
-
- if (i == nmounts)
- nmounts++;
- mount[i].init (nativetmp, posixtmp, mountflags);
- sort ();
-
- return 0;
-}
-
-/* Delete a mount table entry where path is either a Win32 or POSIX
- path. Since the mount table is really just a table of aliases,
- deleting / is ok (although running without a slash mount is
- strongly discouraged because some programs may run erratically
- without one). If MOUNT_SYSTEM is set in flags, remove from system
- registry, otherwise remove the user registry mount.
-*/
-
-int
-mount_info::del_item (const char *path, unsigned flags, int reg_p)
-{
- char pathtmp[MAX_PATH];
- int posix_path_p = false;
-
- /* Something's wrong if path is NULL or empty. */
- if (path == NULL || *path == 0 || !isabspath (path))
- {
- set_errno (EINVAL);
- return -1;
- }
-
- if (slash_unc_prefix_p (path) || strpbrk (path, ":\\"))
- backslashify (path, pathtmp, 0);
- else
- {
- slashify (path, pathtmp, 0);
- posix_path_p = TRUE;
- }
- nofinalslash (pathtmp, pathtmp);
-
- if (reg_p && posix_path_p &&
- del_reg_mount (pathtmp, flags) &&
- del_reg_mount (path, flags)) /* for old irregular entries */
- return -1;
-
- for (int i = 0; i < nmounts; i++)
- {
- int ent = native_sorted[i]; /* in the same order as getmntent() */
- if (((posix_path_p)
- ? strcasematch (mount[ent].posix_path, pathtmp)
- : strcasematch (mount[ent].native_path, pathtmp)) &&
- (mount[ent].flags & MOUNT_SYSTEM) == (flags & MOUNT_SYSTEM))
- {
- if (!posix_path_p &&
- reg_p && del_reg_mount (mount[ent].posix_path, flags))
- return -1;
-
- nmounts--; /* One less mount table entry */
- /* Fill in the hole if not at the end of the table */
- if (ent < nmounts)
- memmove (mount + ent, mount + ent + 1,
- sizeof (mount[ent]) * (nmounts - ent));
- sort (); /* Resort the table */
- return 0;
- }
- }
- set_errno (EINVAL);
- return -1;
-}
-
-/************************* mount_item class ****************************/
-
-static mntent *
-fillout_mntent (const char *native_path, const char *posix_path, unsigned flags)
-{
-#ifdef _MT_SAFE
- struct mntent &ret=_reent_winsup ()->mntbuf;
-#else
- static NO_COPY struct mntent ret;
-#endif
-
- /* Remove drivenum from list if we see a x: style path */
- if (strlen (native_path) == 2 && native_path[1] == ':')
- {
- int drivenum = cyg_tolower (native_path[0]) - 'a';
- if (drivenum >= 0 && drivenum <= 31)
- available_drives &= ~(1 << drivenum);
- }
-
- /* Pass back pointers to mount_table strings reserved for use by
- getmntent rather than pointers to strings in the internal mount
- table because the mount table might change, causing weird effects
- from the getmntent user's point of view. */
-
- strcpy (_reent_winsup ()->mnt_fsname, native_path);
- ret.mnt_fsname = _reent_winsup ()->mnt_fsname;
- strcpy (_reent_winsup ()->mnt_dir, posix_path);
- ret.mnt_dir = _reent_winsup ()->mnt_dir;
-
- if (!(flags & MOUNT_SYSTEM)) /* user mount */
- strcpy (_reent_winsup ()->mnt_type, (char *) "user");
- else /* system mount */
- strcpy (_reent_winsup ()->mnt_type, (char *) "system");
-
- ret.mnt_type = _reent_winsup ()->mnt_type;
-
- /* mnt_opts is a string that details mount params such as
- binary or textmode, or exec. We don't print
- `silent' here; it's a magic internal thing. */
-
- if (!(flags & MOUNT_BINARY))
- strcpy (_reent_winsup ()->mnt_opts, (char *) "textmode");
- else
- strcpy (_reent_winsup ()->mnt_opts, (char *) "binmode");
-
- if (flags & MOUNT_CYGWIN_EXEC)
- strcat (_reent_winsup ()->mnt_opts, (char *) ",cygexec");
- else if (flags & MOUNT_EXEC)
- strcat (_reent_winsup ()->mnt_opts, (char *) ",exec");
- else if (flags & MOUNT_NOTEXEC)
- strcat (_reent_winsup ()->mnt_opts, (char *) ",noexec");
-
- if ((flags & MOUNT_CYGDRIVE)) /* cygdrive */
- strcat (_reent_winsup ()->mnt_opts, (char *) ",noumount");
-
- ret.mnt_opts = _reent_winsup ()->mnt_opts;
-
- ret.mnt_freq = 1;
- ret.mnt_passno = 1;
- return &ret;
-}
-
-struct mntent *
-mount_item::getmntent ()
-{
- return fillout_mntent (native_path, posix_path, flags);
-}
-
-static struct mntent *
-cygdrive_getmntent ()
-{
- char native_path[4];
- char posix_path[MAX_PATH];
- DWORD mask = 1, drive = 'a';
- struct mntent *ret = NULL;
-
- while (available_drives)
- {
- for (/* nothing */; drive <= 'z'; mask <<= 1, drive++)
- if (available_drives & mask)
- break;
-
- __small_sprintf (native_path, "%c:\\", drive);
- if (GetDriveType (native_path) == DRIVE_REMOVABLE ||
- GetFileAttributes (native_path) == INVALID_FILE_ATTRIBUTES)
- {
- available_drives &= ~mask;
- continue;
- }
- native_path[2] = '\0';
- __small_sprintf (posix_path, "%s%c", mount_table->cygdrive, drive);
- ret = fillout_mntent (native_path, posix_path, mount_table->cygdrive_flags);
- break;
- }
-
- return ret;
-}
-
-struct mntent *
-mount_info::getmntent (int x)
-{
- if (x < 0 || x >= nmounts)
- return cygdrive_getmntent ();
-
- return mount[native_sorted[x]].getmntent ();
-}
-
-/* Fill in the fields of a mount table entry. */
-
-void
-mount_item::init (const char *native, const char *posix, unsigned mountflags)
-{
- strcpy ((char *) native_path, native);
- strcpy ((char *) posix_path, posix);
-
- native_pathlen = strlen (native_path);
- posix_pathlen = strlen (posix_path);
-
- flags = mountflags;
-}
-
-/********************** Mount System Calls **************************/
-
-/* Mount table system calls.
- Note that these are exported to the application. */
-
-/* mount: Add a mount to the mount table in memory and to the registry
- that will cause paths under win32_path to be translated to paths
- under posix_path. */
-
-extern "C" int
-mount (const char *win32_path, const char *posix_path, unsigned flags)
-{
- int res = -1;
-
- if (flags & MOUNT_CYGDRIVE) /* normal mount */
- {
- /* When flags include MOUNT_CYGDRIVE, take this to mean that
- we actually want to change the cygdrive prefix and flags
- without actually mounting anything. */
- res = mount_table->write_cygdrive_info_to_registry (posix_path, flags);
- win32_path = NULL;
- }
- else
- res = mount_table->add_item (win32_path, posix_path, flags, TRUE);
-
- syscall_printf ("%d = mount (%s, %s, %p)", res, win32_path, posix_path, flags);
- return res;
-}
-
-/* umount: The standard umount call only has a path parameter. Since
- it is not possible for this call to specify whether to remove the
- mount from the user or global mount registry table, assume the user
- table. */
-
-extern "C" int
-umount (const char *path)
-{
- return cygwin_umount (path, 0);
-}
-
-/* cygwin_umount: This is like umount but takes an additional flags
- parameter that specifies whether to umount from the user or system-wide
- registry area. */
-
-extern "C" int
-cygwin_umount (const char *path, unsigned flags)
-{
- int res = -1;
-
- if (flags & MOUNT_CYGDRIVE)
- {
- /* When flags include MOUNT_CYGDRIVE, take this to mean that we actually want
- to remove the cygdrive prefix and flags without actually unmounting
- anything. */
- res = mount_table->remove_cygdrive_info_from_registry (path, flags);
- }
- else
- {
- res = mount_table->del_item (path, flags, TRUE);
- }
-
- syscall_printf ("%d = cygwin_umount (%s, %d)", res, path, flags);
- return res;
-}
-
-extern "C" FILE *
-setmntent (const char *filep, const char *)
-{
- iteration = 0;
- available_drives = GetLogicalDrives ();
- return (FILE *) filep;
-}
-
-extern "C" struct mntent *
-getmntent (FILE *)
-{
- return mount_table->getmntent (iteration++);
-}
-
-extern "C" int
-endmntent (FILE *)
-{
- return 1;
-}
-
-/********************** Symbolic Link Support **************************/
-
-/* Read symlink from Extended Attribute */
-int
-get_symlink_ea (const char* frompath, char* buf, int buf_size)
-{
- int res = NTReadEA (frompath, SYMLINK_EA_NAME, buf, buf_size);
- if (res == 0)
- debug_printf ("Cannot read symlink from EA");
- return (res - 1);
-}
-
-/* Save symlink to Extended Attribute */
-BOOL
-set_symlink_ea (const char* frompath, const char* topath)
-{
- if (!NTWriteEA (frompath, SYMLINK_EA_NAME, topath, strlen (topath) + 1))
- {
- debug_printf ("Cannot save symlink in EA");
- return false;
- }
- return TRUE;
-}
-
-/* Create a symlink from FROMPATH to TOPATH. */
-
-/* If TRUE create symlinks as Windows shortcuts, if false create symlinks
- as normal files with magic number and system bit set. */
-int allow_winsymlinks = TRUE;
-
-extern "C" int
-symlink (const char *topath, const char *frompath)
-{
- HANDLE h;
- int res = -1;
- path_conv win32_path, win32_topath;
- char from[MAX_PATH + 5];
- char cwd[MAX_PATH + 1], *cp = NULL, c = 0;
- char w32topath[MAX_PATH + 1];
- DWORD written;
- SECURITY_ATTRIBUTES sa = sec_none_nih;
-
- /* POSIX says that empty 'frompath' is invalid input whlie empty
- 'topath' is valid -- it's symlink resolver job to verify if
- symlink contents point to existing filesystem object */
- if (check_null_empty_str_errno (topath) == EFAULT ||
- check_null_empty_str_errno (frompath))
- goto done;
-
- if (strlen (topath) >= MAX_PATH)
- {
- set_errno (ENAMETOOLONG);
- goto done;
- }
-
- win32_path.check (frompath, PC_SYM_NOFOLLOW);
- if (allow_winsymlinks && !win32_path.exists ())
- {
- strcpy (from, frompath);
- strcat (from, ".lnk");
- win32_path.check (from, PC_SYM_NOFOLLOW);
- }
-
- if (win32_path.error)
- {
- set_errno (win32_path.case_clash ? ECASECLASH : win32_path.error);
- goto done;
- }
-
- syscall_printf ("symlink (%s, %s)", topath, win32_path.get_win32 ());
-
- if (win32_path.is_device () || win32_path.exists ())
- {
- set_errno (EEXIST);
- goto done;
- }
-
- if (allow_winsymlinks)
- {
- if (!isabspath (topath))
- {
- getcwd (cwd, MAX_PATH + 1);
- if ((cp = strrchr (from, '/')) || (cp = strrchr (from, '\\')))
- {
- c = *cp;
- *cp = '\0';
- chdir (from);
- }
- backslashify (topath, w32topath, 0);
- }
- if (!cp || GetFileAttributes (w32topath) == INVALID_FILE_ATTRIBUTES)
- {
- win32_topath.check (topath, PC_SYM_NOFOLLOW);
- if (!cp || win32_topath.error != ENOENT)
- strcpy (w32topath, win32_topath);
- }
- if (cp)
- {
- *cp = c;
- chdir (cwd);
- }
- }
-
- if (allow_ntsec && win32_path.has_acls ())
- set_security_attribute (S_IFLNK | S_IRWXU | S_IRWXG | S_IRWXO,
- &sa, alloca (4096), 4096);
-
- h = CreateFile (win32_path, GENERIC_WRITE, 0, &sa,
- CREATE_NEW, FILE_ATTRIBUTE_NORMAL, 0);
- if (h == INVALID_HANDLE_VALUE)
- __seterrno ();
- else
- {
- BOOL success;
-
- if (allow_winsymlinks)
- {
- create_shortcut_header ();
- /* Don't change the datatypes of `len' and `win_len' since
- their sizeof is used when writing. */
- unsigned short len = strlen (topath);
- unsigned short win_len = strlen (w32topath);
- success = WriteFile (h, shortcut_header, SHORTCUT_HDR_SIZE,
- &written, NULL)
- && written == SHORTCUT_HDR_SIZE
- && WriteFile (h, &len, sizeof len, &written, NULL)
- && written == sizeof len
- && WriteFile (h, topath, len, &written, NULL)
- && written == len
- && WriteFile (h, &win_len, sizeof win_len, &written, NULL)
- && written == sizeof win_len
- && WriteFile (h, w32topath, win_len, &written, NULL)
- && written == win_len;
- }
- else
- {
- /* This is the old technique creating a symlink. */
- char buf[sizeof (SYMLINK_COOKIE) + MAX_PATH + 10];
-
- __small_sprintf (buf, "%s%s", SYMLINK_COOKIE, topath);
- DWORD len = strlen (buf) + 1;
-
- /* Note that the terminating nul is written. */
- success = WriteFile (h, buf, len, &written, NULL)
- || written != len;
-
- }
- if (success)
- {
- CloseHandle (h);
- if (!allow_ntsec && allow_ntea)
- set_file_attribute (win32_path.has_acls (),
- win32_path.get_win32 (),
- S_IFLNK | S_IRWXU | S_IRWXG | S_IRWXO);
-
- DWORD attr = allow_winsymlinks ? FILE_ATTRIBUTE_READONLY
- : FILE_ATTRIBUTE_SYSTEM;
-#ifdef HIDDEN_DOT_FILES
- cp = strrchr (win32_path, '\\');
- if ((cp && cp[1] == '.') || *win32_path == '.')
- attr |= FILE_ATTRIBUTE_HIDDEN;
-#endif
- SetFileAttributes (win32_path.get_win32 (), attr);
-
- if (win32_path.fs_fast_ea ())
- set_symlink_ea (win32_path, topath);
- res = 0;
- }
- else
- {
- __seterrno ();
- CloseHandle (h);
- DeleteFileA (win32_path.get_win32 ());
- }
- }
-
-done:
- syscall_printf ("%d = symlink (%s, %s)", res, topath, frompath);
- return res;
-}
-
-static BOOL
-cmp_shortcut_header (const char *file_header)
-{
- create_shortcut_header ();
- return memcmp (shortcut_header, file_header, SHORTCUT_HDR_SIZE);
-}
-
-static int
-check_shortcut (const char *path, DWORD fileattr, HANDLE h,
- char *contents, int *error, unsigned *pflags)
-{
- char file_header[SHORTCUT_HDR_SIZE];
- unsigned short len;
- int res = 0;
- DWORD got = 0;
-
- /* Valid Cygwin & U/WIN shortcuts are R/O. */
- if (!(fileattr & FILE_ATTRIBUTE_READONLY))
- goto file_not_symlink;
- /* Read the files header information. This is used to check for a
- Cygwin or U/WIN shortcut or later to check for executable files. */
- if (!ReadFile (h, file_header, SHORTCUT_HDR_SIZE, &got, 0))
- {
- *error = EIO;
- goto close_it;
- }
- /* Check header if the shortcut is really created by Cygwin or U/WIN. */
- if (got != SHORTCUT_HDR_SIZE || cmp_shortcut_header (file_header))
- goto file_not_symlink;
- /* Next 2 byte are USHORT, containing length of description entry. */
- if (!ReadFile (h, &len, sizeof len, &got, 0))
- {
- *error = EIO;
- goto close_it;
- }
- if (got != sizeof len || len == 0 || len > MAX_PATH)
- goto file_not_symlink;
- /* Now read description entry. */
- if (!ReadFile (h, contents, len, &got, 0))
- {
- *error = EIO;
- goto close_it;
- }
- if (got != len)
- goto file_not_symlink;
- contents[len] = '\0';
- res = len;
- if (res) /* It's a symlink. */
- *pflags = PATH_SYMLINK;
- goto close_it;
-
-file_not_symlink:
- /* Not a symlink, see if executable. */
- if (!(*pflags & PATH_ALL_EXEC) && has_exec_chars (file_header, got))
- *pflags |= PATH_EXEC;
-
-close_it:
- CloseHandle (h);
- return res;
-}
-
-
-static int
-check_sysfile (const char *path, DWORD fileattr, HANDLE h,
- char *contents, int *error, unsigned *pflags)
-{
- char cookie_buf[sizeof (SYMLINK_COOKIE) - 1];
- DWORD got;
- int res = 0;
-
- if (!ReadFile (h, cookie_buf, sizeof (cookie_buf), &got, 0))
- {
- debug_printf ("ReadFile1 failed");
- *error = EIO;
- }
- else if (got == sizeof (cookie_buf)
- && memcmp (cookie_buf, SYMLINK_COOKIE, sizeof (cookie_buf)) == 0)
- {
- /* It's a symlink. */
- *pflags = PATH_SYMLINK;
-
- res = ReadFile (h, contents, MAX_PATH + 1, &got, 0);
- if (!res)
- {
- debug_printf ("ReadFile2 failed");
- *error = EIO;
- }
- else
- {
- /* Versions prior to b16 stored several trailing
- NULs with the path (to fill the path out to 1024
- chars). Current versions only store one trailing
- NUL. The length returned is the path without
- *any* trailing NULs. We also have to handle (or
- at least not die from) corrupted paths. */
- if (memchr (contents, 0, got) != NULL)
- res = strlen (contents);
- else
- res = got;
- }
- }
- else if (got == sizeof (cookie_buf)
- && memcmp (cookie_buf, SOCKET_COOKIE, sizeof (cookie_buf)) == 0)
- *pflags |= PATH_SOCKET;
- else
- {
- /* Not a symlink, see if executable. */
- if (*pflags & PATH_ALL_EXEC)
- /* Nothing to do */;
- else if (has_exec_chars (cookie_buf, got))
- *pflags |= PATH_EXEC;
- else
- *pflags |= PATH_NOTEXEC;
- }
- syscall_printf ("%d = symlink.check_sysfile (%s, %s) (%p)",
- res, path, contents, *pflags);
-
- CloseHandle (h);
- return res;
-}
-
-enum
-{
- SCAN_BEG,
- SCAN_LNK,
- SCAN_HASLNK,
- SCAN_JUSTCHECK,
- SCAN_APPENDLNK,
- SCAN_EXTRALNK,
- SCAN_DONE,
-};
-
-class suffix_scan
-{
- const suffix_info *suffixes, *suffixes_start;
- int nextstate;
- char *eopath;
-public:
- const char *path;
- char *has (const char *, const suffix_info *);
- int next ();
- int lnk_match () {return nextstate >= SCAN_EXTRALNK;}
-};
-
-char *
-suffix_scan::has (const char *in_path, const suffix_info *in_suffixes)
-{
- nextstate = SCAN_BEG;
- suffixes = suffixes_start = in_suffixes;
-
- char *ext_here = strrchr (in_path, '.');
- path = in_path;
- eopath = strchr (path, '\0');
-
- if (!ext_here)
- goto noext;
-
- if (suffixes)
- {
- /* Check if the extension matches a known extension */
- for (const suffix_info *ex = in_suffixes; ex->name != NULL; ex++)
- if (strcasematch (ext_here, ex->name))
- {
- nextstate = SCAN_JUSTCHECK;
- suffixes = NULL; /* Has an extension so don't scan for one. */
- goto done;
- }
- }
-
- /* Didn't match. Use last resort -- .lnk. */
- if (strcasematch (ext_here, ".lnk"))
- {
- nextstate = SCAN_HASLNK;
- suffixes = NULL;
- }
-
- noext:
- ext_here = eopath;
-
- done:
- return ext_here;
-}
-
-int
-suffix_scan::next ()
-{
- for (;;)
- {
- if (!suffixes)
- switch (nextstate)
- {
- case SCAN_BEG:
- suffixes = suffixes_start;
- if (!suffixes)
- {
- nextstate = SCAN_LNK;
- return 1;
- }
- if (!*suffixes->name)
- suffixes++;
- nextstate = SCAN_EXTRALNK;
- /* fall through to suffix checking below */
- break;
- case SCAN_HASLNK:
- nextstate = SCAN_EXTRALNK; /* Skip SCAN_BEG */
- return 1;
- case SCAN_LNK:
- case SCAN_EXTRALNK:
- strcpy (eopath, ".lnk");
- nextstate = SCAN_DONE;
- return 1;
- case SCAN_JUSTCHECK:
- nextstate = SCAN_APPENDLNK;
- return 1;
- case SCAN_APPENDLNK:
- strcat (eopath, ".lnk");
- nextstate = SCAN_DONE;
- return 1;
- default:
- *eopath = '\0';
- return 0;
- }
-
- while (suffixes && suffixes->name)
- if (!suffixes->addon)
- suffixes++;
- else
- {
- strcpy (eopath, suffixes->name);
- if (nextstate == SCAN_EXTRALNK)
- strcat (eopath, ".lnk");
- suffixes++;
- return 1;
- }
- suffixes = NULL;
- }
-}
-
-/* Check if PATH is a symlink. PATH must be a valid Win32 path name.
-
- If PATH is a symlink, put the value of the symlink--the file to
- which it points--into BUF. The value stored in BUF is not
- necessarily null terminated. BUFLEN is the length of BUF; only up
- to BUFLEN characters will be stored in BUF. BUF may be NULL, in
- which case nothing will be stored.
-
- Set *SYML if PATH is a symlink.
-
- Set *EXEC if PATH appears to be executable. This is an efficiency
- hack because we sometimes have to open the file anyhow. *EXEC will
- not be set for every executable file.
-
- Return -1 on error, 0 if PATH is not a symlink, or the length
- stored into BUF if PATH is a symlink. */
-
-int
-symlink_info::check (char *path, const suffix_info *suffixes, unsigned opt)
-{
- HANDLE h;
- int res = 0;
- suffix_scan suffix;
- contents[0] = '\0';
-
- is_symlink = TRUE;
- ext_here = suffix.has (path, suffixes);
- extn = ext_here - path;
-
- pflags &= ~PATH_SYMLINK;
-
- case_clash = false;
-
- while (suffix.next ())
- {
- error = 0;
- fileattr = GetFileAttributes (suffix.path);
- if (fileattr == INVALID_FILE_ATTRIBUTES)
- {
- /* The GetFileAttributes call can fail for reasons that don't
- matter, so we just return 0. For example, getting the
- attributes of \\HOST will typically fail. */
- debug_printf ("GetFileAttributes (%s) failed", suffix.path);
- error = geterrno_from_win_error (GetLastError (), EACCES);
- continue;
- }
-
-
- ext_tacked_on = !!*ext_here;
-
- if (pcheck_case != PCHECK_RELAXED && !case_check (path)
- || (opt & PC_SYM_IGNORE))
- goto file_not_symlink;
-
- int sym_check;
-
- sym_check = 0;
-
- if (fileattr & FILE_ATTRIBUTE_DIRECTORY)
- goto file_not_symlink;
-
- /* Windows shortcuts are treated as symlinks. */
- if (suffix.lnk_match ())
- sym_check = 1;
-
- /* This is the old Cygwin method creating symlinks: */
- /* A symlink will have the `system' file attribute. */
- /* Only files can be symlinks (which can be symlinks to directories). */
- if (fileattr & FILE_ATTRIBUTE_SYSTEM)
- sym_check = 2;
-
- if (!sym_check)
- goto file_not_symlink;
-
- if (sym_check > 0 && opt & PC_CHECK_EA &&
- (res = get_symlink_ea (suffix.path, contents, sizeof (contents))) > 0)
- {
- pflags = PATH_SYMLINK;
- debug_printf ("Got symlink from EA: %s", contents);
- break;
- }
-
- /* Open the file. */
-
- h = CreateFile (suffix.path, GENERIC_READ, FILE_SHARE_READ,
- &sec_none_nih, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
- res = -1;
- if (h == INVALID_HANDLE_VALUE)
- goto file_not_symlink;
-
- /* FIXME: if symlink isn't present in EA, but EAs are supported,
- * should we write it there?
- */
- switch (sym_check)
- {
- case 1:
- res = check_shortcut (suffix.path, fileattr, h, contents, &error, &pflags);
- if (res)
- break;
- /* If searching for `foo' and then finding a `foo.lnk' which is
- no shortcut, return the same as if file not found. */
- if (!suffix.lnk_match () || !ext_tacked_on)
- goto file_not_symlink;
-
- fileattr = INVALID_FILE_ATTRIBUTES;
- continue; /* in case we're going to tack *another* .lnk on this filename. */
- case 2:
- res = check_sysfile (suffix.path, fileattr, h, contents, &error, &pflags);
- if (!res)
- goto file_not_symlink;
- break;
- }
- break;
-
- file_not_symlink:
- is_symlink = false;
- syscall_printf ("not a symlink");
- res = 0;
- break;
- }
-
- syscall_printf ("%d = symlink.check (%s, %p) (%p)",
- res, suffix.path, contents, pflags);
- return res;
-}
-
-/* Check the correct case of the last path component (given in DOS style).
- Adjust the case in this->path if pcheck_case == PCHECK_ADJUST or return
- false if pcheck_case == PCHECK_STRICT.
- Dont't call if pcheck_case == PCHECK_RELAXED.
-*/
-
-BOOL
-symlink_info::case_check (char *path)
-{
- WIN32_FIND_DATA data;
- HANDLE h;
- char *c;
-
- /* Set a pointer to the beginning of the last component. */
- if (!(c = strrchr (path, '\\')))
- c = path;
- else
- ++c;
-
- if ((h = FindFirstFile (path, &data))
- != INVALID_HANDLE_VALUE)
- {
- FindClose (h);
-
- /* If that part of the component exists, check the case. */
- if (strcmp (c, data.cFileName))
- {
- case_clash = TRUE;
-
- /* If check is set to STRICT, a wrong case results
- in returning a ENOENT. */
- if (pcheck_case == PCHECK_STRICT)
- return false;
-
- /* PCHECK_ADJUST adjusts the case in the incoming
- path which points to the path in *this. */
- strcpy (c, data.cFileName);
- }
- }
- return TRUE;
-}
-
-/* readlink system call */
-
-extern "C" int
-readlink (const char *path, char *buf, int buflen)
-{
- extern suffix_info stat_suffixes[];
-
- if (buflen < 0)
- {
- set_errno (ENAMETOOLONG);
- return -1;
- }
-
- path_conv pathbuf (path, PC_SYM_CONTENTS, stat_suffixes);
-
- if (pathbuf.error)
- {
- set_errno (pathbuf.error);
- syscall_printf ("-1 = readlink (%s, %p, %d)", path, buf, buflen);
- return -1;
- }
-
- if (!pathbuf.exists ())
- {
- set_errno (ENOENT);
- return -1;
- }
-
- if (!pathbuf.issymlink ())
- {
- if (pathbuf.exists ())
- set_errno (EINVAL);
- return -1;
- }
-
- int len = min (buflen, (int) strlen (pathbuf.get_win32 ()));
- memcpy (buf, pathbuf.get_win32 (), len);
-
- /* errno set by symlink.check if error */
- return len;
-}
-
-/* Some programs rely on st_dev/st_ino being unique for each file.
- Hash the path name and hope for the best. The hash arg is not
- always initialized to zero since readdir needs to compute the
- dirent ino_t based on a combination of the hash of the directory
- done during the opendir call and the hash or the filename within
- the directory. FIXME: Not bullet-proof. */
-/* Cygwin internal */
-
-unsigned long __stdcall
-hash_path_name (unsigned long hash, const char *name)
-{
- if (!*name)
- return hash;
-
- /* Perform some initial permutations on the pathname if this is
- not "seeded" */
- if (!hash)
- {
- /* Simplistic handling of drives. If there is a drive specified,
- make sure that the initial letter is upper case. If there is
- no \ after the ':' assume access through the root directory
- of that drive.
- FIXME: Should really honor MS-Windows convention of using
- the environment to track current directory on various drives. */
- if (name[1] == ':')
- {
- char *nn, *newname = (char *) alloca (strlen (name) + 2);
- nn = newname;
- *nn = isupper (*name) ? cyg_tolower (*name) : *name;
- *++nn = ':';
- name += 2;
- if (*name != '\\')
- *++nn = '\\';
- strcpy (++nn, name);
- name = newname;
- goto hashit;
- }
-
- /* Fill out the hashed path name with the current working directory if
- this is not an absolute path and there is no pre-specified hash value.
- Otherwise the inodes same will differ depending on whether a file is
- referenced with an absolute value or relatively. */
-
- if (!hash && !isabspath (name))
- {
- hash = cygheap->cwd.get_hash ();
- if (name[0] == '.' && name[1] == '\0')
- return hash;
- hash = (hash << 5) - hash + '\\';
- }
- }
-
-hashit:
- /* Build up hash. Ignore single trailing slash or \a\b\ != \a\b or
- \a\b\. but allow a single \ if that's all there is. */
- do
- {
- int ch = cyg_tolower (*name);
- hash = (hash << 5) - hash + ch;
- }
- while (*++name != '\0' &&
- !(*name == '\\' && (!name[1] || (name[1] == '.' && !name[2]))));
- return hash;
-}
-
-char *
-getcwd (char *buf, size_t ulen)
-{
- char* res = NULL;
- if (ulen == 0 && buf)
- set_errno (EINVAL);
- else if (buf == NULL || !__check_null_invalid_struct_errno (buf, ulen))
- res = cygheap->cwd.get (buf, 1, 1, ulen);
- return res;
-}
-
-/* getwd: standards? */
-extern "C" char *
-getwd (char *buf)
-{
- return getcwd (buf, MAX_PATH);
-}
-
-/* chdir: POSIX 5.2.1.1 */
-extern "C" int
-chdir (const char *in_dir)
-{
- if (check_null_empty_str_errno (in_dir))
- return -1;
-
- syscall_printf ("dir '%s'", in_dir);
-
- char *s;
- char dir[strlen (in_dir) + 1];
- strcpy (dir, in_dir);
- /* Incredibly. Windows allows you to specify a path with trailing
- whitespace to SetCurrentDirectory. This doesn't work too well
- with other parts of the API, though, apparently. So nuke trailing
- white space. */
- for (s = strchr (dir, '\0'); --s >= dir && isspace ((unsigned int) (*s & 0xff)); )
- *s = '\0';
-
- if (!*s)
- {
- set_errno (ENOENT);
- return -1;
- }
-
- /* Convert path. First argument ensures that we don't check for NULL/empty/invalid
- again. */
- path_conv path (PC_NONULLEMPTY, dir, PC_FULL | PC_SYM_FOLLOW);
- if (path.error)
- {
- set_errno (path.error);
- syscall_printf ("-1 = chdir (%s)", dir);
- return -1;
- }
-
-
- /* Look for trailing path component consisting entirely of dots. This
- is needed only in case of chdir since Windows simply ignores count
- of dots > 2 here instead of returning an error code. Counts of dots
- <= 2 are already eliminated by normalize_posix_path. */
- const char *p = strrchr (dir, '/');
- if (!p)
- p = dir;
- else
- p++;
-
- size_t len = strlen (p);
- if (len > 2 && strspn (p, ".") == len)
- {
- set_errno (ENOENT);
- return -1;
- }
-
- const char *native_dir = path.get_win32 ();
-
- /* Check to see if path translates to something like C:.
- If it does, append a \ to the native directory specification to
- defeat the Windows 95 (i.e. MS-DOS) tendency of returning to
- the last directory visited on the given drive. */
- if (isdrive (native_dir) && !native_dir[2])
- {
- path.get_win32 ()[2] = '\\';
- path.get_win32 ()[3] = '\0';
- }
- int res;
- int devn = path.get_devn ();
- if (!isvirtual_dev (devn))
- res = SetCurrentDirectory (native_dir) ? 0 : -1;
- else if (!path.exists ())
- {
- set_errno (ENOENT);
- return -1;
- }
- else if (!path.isdir ())
- {
- set_errno (ENOTDIR);
- return -1;
- }
- else
- {
- native_dir = "c:\\";
- res = 0;
- }
-
- /* If res != 0, we didn't change to a new directory.
- Otherwise, set the current windows and posix directory cache from input.
- If the specified directory is a MS-DOS style directory or if the directory
- was symlinked, convert the MS-DOS path back to posix style. Otherwise just
- store the given directory. This allows things like "find", which traverse
- directory trees, to work correctly with Cygwin mounted directories.
- FIXME: Is just storing the posixized windows directory the correct thing to
- do when we detect a symlink? Should we instead rebuild the posix path from
- the input by traversing links? This would be an expensive operation but
- we'll see if Cygwin mailing list users whine about the current behavior. */
- if (res)
- __seterrno ();
- else if ((!path.has_symlinks () && strpbrk (dir, ":\\") == NULL
- && pcheck_case == PCHECK_RELAXED) || isvirtual_dev (devn))
- cygheap->cwd.set (native_dir, dir);
- else
- cygheap->cwd.set (native_dir, NULL);
-
- /* Note that we're accessing cwd.posix without a lock here. I didn't think
- it was worth locking just for strace. */
- syscall_printf ("%d = chdir() cygheap->cwd.posix '%s' native '%s'", res,
- cygheap->cwd.posix, native_dir);
- MALLOC_CHECK;
- return res;
-}
-
-extern "C" int
-fchdir (int fd)
-{
- int res;
- sigframe thisframe (mainthread);
-
- cygheap_fdget cfd (fd);
- if (cfd >= 0)
- res = chdir (cfd->get_win32_name ());
- else
- res = -1;
-
- syscall_printf ("%d = fchdir (%d)", res, fd);
- return res;
-}
-
-/******************** Exported Path Routines *********************/
-
-/* Cover functions to the path conversion routines.
- These are exported to the world as cygwin_foo by cygwin.din. */
-
-extern "C" int
-cygwin_conv_to_win32_path (const char *path, char *win32_path)
-{
- path_conv p (path, PC_SYM_FOLLOW);
- if (p.error)
- {
- win32_path[0] = '\0';
- set_errno (p.error);
- return -1;
- }
-
- strcpy (win32_path, p);
- return 0;
-}
-
-extern "C" int
-cygwin_conv_to_full_win32_path (const char *path, char *win32_path)
-{
- path_conv p (path, PC_SYM_FOLLOW | PC_FULL);
- if (p.error)
- {
- win32_path[0] = '\0';
- set_errno (p.error);
- return -1;
- }
-
- strcpy (win32_path, p);
- return 0;
-}
-
-/* This is exported to the world as cygwin_foo by cygwin.din. */
-
-extern "C" int
-cygwin_conv_to_posix_path (const char *path, char *posix_path)
-{
- if (check_null_empty_str_errno (path))
- return -1;
- mount_table->conv_to_posix_path (path, posix_path, 1);
- return 0;
-}
-
-extern "C" int
-cygwin_conv_to_full_posix_path (const char *path, char *posix_path)
-{
- if (check_null_empty_str_errno (path))
- return -1;
- mount_table->conv_to_posix_path (path, posix_path, 0);
- return 0;
-}
-
-/* The realpath function is supported on some UNIX systems. */
-
-extern "C" char *
-realpath (const char *path, char *resolved)
-{
- int err;
-
- path_conv real_path (path, PC_SYM_FOLLOW | PC_FULL);
-
- if (real_path.error)
- err = real_path.error;
- else
- {
- err = mount_table->conv_to_posix_path (real_path.get_win32 (), resolved, 0);
- if (err == 0)
- return resolved;
- }
-
- /* FIXME: on error, we are supposed to put the name of the path
- component which could not be resolved into RESOLVED. */
- resolved[0] = '\0';
-
- set_errno (err);
- return NULL;
-}
-
-/* Return non-zero if path is a POSIX path list.
- This is exported to the world as cygwin_foo by cygwin.din.
-
-DOCTOOL-START
-<sect1 id="add-func-cygwin-posix-path-list-p">
- <para>Rather than use a mode to say what the "proper" path list
- format is, we allow any, and give apps the tools they need to
- convert between the two. If a ';' is present in the path list it's
- a Win32 path list. Otherwise, if the first path begins with
- [letter]: (in which case it can be the only element since if it
- wasn't a ';' would be present) it's a Win32 path list. Otherwise,
- it's a POSIX path list.</para>
-</sect1>
-DOCTOOL-END
- */
-
-extern "C" int
-cygwin_posix_path_list_p (const char *path)
-{
- int posix_p = !(strchr (path, ';') || isdrive (path));
- return posix_p;
-}
-
-/* These are used for apps that need to convert env vars like PATH back and
- forth. The conversion is a two step process. First, an upper bound on the
- size of the buffer needed is computed. Then the conversion is done. This
- allows the caller to use alloca if it wants. */
-
-static int
-conv_path_list_buf_size (const char *path_list, int to_posix_p)
-{
- int i, num_elms, max_mount_path_len, size;
- const char *p;
-
- /* The theory is that an upper bound is
- current_size + (num_elms * max_mount_path_len) */
-
- char delim = to_posix_p ? ';' : ':';
- p = path_list;
- for (num_elms = 1; (p = strchr (p, delim)) != NULL; ++num_elms)
- ++p;
-
- /* 7: strlen ("//c") + slop, a conservative initial value */
- for (max_mount_path_len = 7, i = 0; i < mount_table->nmounts; ++i)
- {
- int mount_len = (to_posix_p
- ? mount_table->mount[i].posix_pathlen
- : mount_table->mount[i].native_pathlen);
- if (max_mount_path_len < mount_len)
- max_mount_path_len = mount_len;
- }
-
- /* 100: slop */
- size = strlen (path_list) + (num_elms * max_mount_path_len) + 100;
- return size;
-}
-
-extern "C" int
-cygwin_win32_to_posix_path_list_buf_size (const char *path_list)
-{
- return conv_path_list_buf_size (path_list, 1);
-}
-
-extern "C" int
-cygwin_posix_to_win32_path_list_buf_size (const char *path_list)
-{
- return conv_path_list_buf_size (path_list, 0);
-}
-
-extern "C" int
-cygwin_win32_to_posix_path_list (const char *win32, char *posix)
-{
- conv_path_list (win32, posix, 1);
- return 0;
-}
-
-extern "C" int
-cygwin_posix_to_win32_path_list (const char *posix, char *win32)
-{
- conv_path_list (posix, win32, 0);
- return 0;
-}
-
-/* cygwin_split_path: Split a path into directory and file name parts.
- Buffers DIR and FILE are assumed to be big enough.
-
- Examples (path -> `dir' / `file'):
- / -> `/' / `'
- "" -> `.' / `'
- . -> `.' / `.' (FIXME: should this be `.' / `'?)
- .. -> `.' / `..' (FIXME: should this be `..' / `'?)
- foo -> `.' / `foo'
- foo/bar -> `foo' / `bar'
- foo/bar/ -> `foo' / `bar'
- /foo -> `/' / `foo'
- /foo/bar -> `/foo' / `bar'
- c: -> `c:/' / `'
- c:/ -> `c:/' / `'
- c:foo -> `c:/' / `foo'
- c:/foo -> `c:/' / `foo'
- */
-
-extern "C" void
-cygwin_split_path (const char *path, char *dir, char *file)
-{
- int dir_started_p = 0;
-
- /* Deal with drives.
- Remember that c:foo <==> c:/foo. */
- if (isdrive (path))
- {
- *dir++ = *path++;
- *dir++ = *path++;
- *dir++ = '/';
- if (!*path)
- {
- *dir = 0;
- *file = 0;
- return;
- }
- if (SLASH_P (*path))
- ++path;
- dir_started_p = 1;
- }
-
- /* Determine if there are trailing slashes and "delete" them if present.
- We pretend as if they don't exist. */
- const char *end = path + strlen (path);
- /* path + 1: keep leading slash. */
- while (end > path + 1 && SLASH_P (end[-1]))
- --end;
-
- /* At this point, END points to one beyond the last character
- (with trailing slashes "deleted"). */
-
- /* Point LAST_SLASH at the last slash (duh...). */
- const char *last_slash;
- for (last_slash = end - 1; last_slash >= path; --last_slash)
- if (SLASH_P (*last_slash))
- break;
-
- if (last_slash == path)
- {
- *dir++ = '/';
- *dir = 0;
- }
- else if (last_slash > path)
- {
- memcpy (dir, path, last_slash - path);
- dir[last_slash - path] = 0;
- }
- else
- {
- if (dir_started_p)
- ; /* nothing to do */
- else
- *dir++ = '.';
- *dir = 0;
- }
-
- memcpy (file, last_slash + 1, end - last_slash - 1);
- file[end - last_slash - 1] = 0;
-}
-
-/*****************************************************************************/
-
-/* Return the hash value for the current win32 value.
- This is used when constructing inodes. */
-DWORD
-cwdstuff::get_hash ()
-{
- DWORD hashnow;
- cwd_lock->acquire ();
- hashnow = hash;
- cwd_lock->release ();
- return hashnow;
-}
-
-/* Initialize cygcwd 'muto' for serializing access to cwd info. */
-void
-cwdstuff::init ()
-{
- new_muto (cwd_lock);
-}
-
-/* Get initial cwd. Should only be called once in a
- process tree. */
-bool
-cwdstuff::get_initial ()
-{
- cwd_lock->acquire ();
-
- if (win32)
- return 1;
-
- int i;
- DWORD len, dlen;
- for (i = 0, dlen = MAX_PATH, len = 0; i < 3; dlen *= 2, i++)
- {
- win32 = (char *) crealloc (win32, dlen + 2);
- if ((len = GetCurrentDirectoryA (dlen, win32)) < dlen)
- break;
- }
-
- if (len == 0)
- {
- __seterrno ();
- cwd_lock->release ();
- debug_printf ("get_initial_cwd failed, %E");
- cwd_lock->release ();
- return 0;
- }
- set (NULL);
- return 1; /* Leaves cwd lock unreleased */
-}
-
-/* Fill out the elements of a cwdstuff struct.
- It is assumed that the lock for the cwd is acquired if
- win32_cwd == NULL. */
-void
-cwdstuff::set (const char *win32_cwd, const char *posix_cwd)
-{
- char pathbuf[MAX_PATH];
-
- if (win32_cwd)
- {
- cwd_lock->acquire ();
- win32 = (char *) crealloc (win32, strlen (win32_cwd) + 1);
- strcpy (win32, win32_cwd);
- }
-
- if (!posix_cwd)
- mount_table->conv_to_posix_path (win32, pathbuf, 0);
- else
- (void) normalize_posix_path (posix_cwd, pathbuf);
-
- posix = (char *) crealloc (posix, strlen (pathbuf) + 1);
- strcpy (posix, pathbuf);
-
- hash = hash_path_name (0, win32);
-
- if (win32_cwd)
- cwd_lock->release ();
-
- return;
-}
-
-/* Copy the value for either the posix or the win32 cwd into a buffer. */
-char *
-cwdstuff::get (char *buf, int need_posix, int with_chroot, unsigned ulen)
-{
- MALLOC_CHECK;
-
- if (ulen)
- /* nothing */;
- else if (buf == NULL)
- ulen = (unsigned) -1;
- else
- {
- set_errno (EINVAL);
- goto out;
- }
-
- if (!get_initial ()) /* Get initial cwd and set cwd lock */
- return NULL;
-
- char *tocopy;
- if (!need_posix)
- tocopy = win32;
- else
- tocopy = posix;
-
- debug_printf ("posix %s", posix);
- if (strlen (tocopy) >= ulen)
- {
- set_errno (ERANGE);
- buf = NULL;
- }
- else
- {
- if (!buf)
- buf = (char *) malloc (strlen (tocopy) + 1);
- strcpy (buf, tocopy);
- if (!buf[0]) /* Should only happen when chroot */
- strcpy (buf, "/");
- }
-
- cwd_lock->release ();
-
-out:
- syscall_printf ("(%s) = cwdstuff::get (%p, %d, %d, %d), errno %d",
- buf, buf, ulen, need_posix, with_chroot, errno);
- MALLOC_CHECK;
- return buf;
-}