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In some code paths the __atexit_lock held by this function was not
released when returning with an error.
* libc/stdlib/__atexit.c (__register_exitproc): Always release
lock before return.
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* winsup/cygwin/fhandler_disk_file.cc (fhandler_base::fstat_helper):
Align regparm attribute to declaration in fhandler.h.
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* path.h (class path_conv_handle): Use FILE_ALL_INFORMATION instead of
FILE_NETWORK_OPEN_INFORMATION. Use definitions from ntdll.h since it's
included anyway.
(path_conv_handle::fai): Change name from fnoi.
(path_conv::fai): Ditto.
(file_get_fai): Change name from file_get_fnoi. Drop second parameter.
* path.cc (file_get_fai): Ditto. Fetch FileAllInformation rather than
FileNetworkOpenInformation. Convert STATUS_BUFFER_OVERFLOW to
STATUS_SUCCESS. Remove workaround to fetch FileBasicInformation and
FileStandardInformation on filesystems with broken
FileNetworkOpenInformation handling.
(symlink_info::check): Accommodate above changes. In case of using
the NtQueryDirectoryFile fallback, fetch FileIdBothDirectoryInformation
to get inode number as well.
* fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Drop outdated
comment. Accommodate change to using FileAllInformation. Drop
extra function calls to fetch NumberOfLinks and IndexNumber. Set ino
directly from IndexNumber stored in pc.fai(). Drop second argument
from call to fstat_helper.
(fhandler_base::fstat_by_name): Drop second argument from call to
fstat_helper.
(fhandler_base::fstat_helper): Drop second parameter. Accommodate
the fact that we access a FILE_ALL_INFORMATION structure now.
(fhandler_base::open_fs): Set ino directly from IndexNumber stored in
pc.fai().
* fhandler.h (fhandler_base::fstat_helper): Fix declaration accrdingly.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* fhandler_disk_file.cc (path_conv::ndisk_links): Drop unused method.
(fhandler_base::fstat_helper): Drop unused call to ndisk_links.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* fhandler_disk_file.cc (path_conv::get_ino_by_handle): Rename fai to
fii for clearness.
(fhandler_disk_file::readdir): Ditto.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* ntdll.h (FILE_ID_BOTH_DIR_INFORMATION): Revert IndexNumber to FileId
since it's actually right here.
* fhandler_disk_file.cc: Accommodate above change.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Currently, double precision math functions in newlib/libm/machine/arm detect whether neon instructions can be used for double precision computation by checking the architecture version (>= 8) and the availability of floating-point instructions. However, these instructions would not be available if targeting fpv5-sp-d16 as the FPU, which by definition does not have 64bit float instructions. This patch adds a check that __ARM_FP advertises 64bit float instructions.
* libm/machine/arm/s_ceil.c: Also check that 64bit FP instructions are
available in the guard.
* libm/machine/arm/s_floor.c: Likewise.
* libm/machine/arm/s_nearbyint.c: Likewise.
* libm/machine/arm/s_rint.c: Likewise.
* libm/machine/arm/s_round.c: Likewise.
* libm/machine/arm/s_trunc.c: Likewise.
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* libc/stdio/fclose.c (_fclose_r): Make _flockfile/_funlockfile calls
dependent on __SNLK flag.
* libc/stdio/findfp.c (__fp_lock): Ditto.
(__fp_unlock): Ditto.
* libc/stdio/freopen.c (_freopen_r): Ditto.
* libc/stdio64/freopen64.c (_freopen64_r): Ditto.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* libc/stdio/freopen.c (_freopen_r): Only reset __SWID bit per SUSv4.
* libc/stdio64/freopen64.c (_freopen64_r): Add missing resetting of
flag values and _mbstate.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* thread.cc (pthread::setcancelstate): Remove unnecessary locking.
(pthread::setcanceltype): Ditto.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* ntdll.h (FILE_ID_BOTH_DIR_INFORMATION): Rename FileId to IndexNumber
to align with Microsoft naming scheme.
(FILE_INTERNAL_INFORMATION): Ditto.
* fhandler_disk_file.cc: Rename FileId to IndexNumber throughout.
* syscalls.cc: Ditto.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Fix missing space.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* mount.cc (mount_info::from_fstab_line): Support mounting the current
user's temp folder as /tmp/. This is particularly useful a feature
when Cygwin's own files are write-protected.
* pathnames.xml: document the new usertemp file system type
Detailed explanation:
In the context of Windows, there is a per-user directory for temporary
files, by default specified via the environment variable %TEMP%. Let's
allow to use that directory for our /tmp/ directory.
With this patch, we introduce the special filesystem type "usertemp":
By specifying
none /tmp usertemp binary,posix=0 0 0
in /etc/fstab, the /tmp/ directory gets auto-mounted to the directory
specified by the %TEMP% variable.
This feature comes handy in particularly in scenarios where the
administrator might want to write-protect the entire Cygwin directory
yet still needs to allow users to write into the /tmp/ directory.
This is the case in the context of Git for Windows, where the
Cygwin (MSys2) root directory lives inside C:\Program Files and hence
/tmp/ would not be writable otherwise.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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* libc/sys/arm/sys/param.h (NBBY): Define if not already defined.
* libc/sys/rtems/include/sys/param.h (NBBY): Define.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* libc/include/sys/types.h: Move definitions of NBBY and howmany to
sys/param.h. Move definitions of select(2) macros to sys/select.h.
* libc/include/sys/param.h: See above.
* libc/include/sys/select.h: Move Cygwin's sys/select.h here.
* include/sys/select.h: Move select(2) macros from newlib's sys/types.h
here. Rename howmany to _howmany to unclutter namespace. Move file to
newlib.
* libc/rexex.cc: Add declaration for cygwin_gethostname.
* poll.cc: Include sys/param.h and locale select.h.
* select.h (cygwin_select): Declare.
* uname.cc: Declare cygwin_gethostname.
* winsup.h: Drop declarations of cygwin_select and cygwin_gethostname.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* dcrt0.cc: Semi-revert commit 12743c2d5d2721f3a80b4d7671a349be03c1f520.
(dll_crt0_0): Drop setting wow64_needs_stack_adjustment on 64 bit.
(_dll_crt0): Split out 64 bit code again and always create new main
thread stack, unless forked off from the non main thread in the parent.
Call create_new_main_thread_stack with parent stack commitsize if
started from the parent's main thread.
Only call child_info_fork::alloc_stack for the latter case on 64 bit.
Slightly rearrange moving rsp and rbp to new stack and document how.
Revert 32 bit wow64 handling to its former self.
* miscfunc.cc (create_new_main_thread_stack): Take a commitsize
parameter and use it if it's not 0. Don't set _main_tls here, it's
done in the caller _dll_crt0 anyway. Return stackbase - 16 bytes,
rather than stacklimit (which was very wrong anyway).
* miscfuncs.h (create_new_main_thread_stack): Accommodate declaration
to aforementioned change.
* wincap.h (wincaps::has_3264_stack_broken): Remove element.
* wincap.cc: Ditto, throughout.
* wow64.cc: Semi-revert to pre-12743c2d5d2721f3a80b4d7671a349be03c1f520
but keep architecture-agnostic type changes intact. Fix formatting.
* wow64.h: Revert to pre-12743c2d5d2721f3a80b4d7671a349be03c1f520.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* include/sys/cygwin.h (CCP_PROC_CYGDRIVE): New flag.
* mount.cc (mount_info::cygdrive_posix_path): Take flag values rather
than just a trailing_slash_p bool. Emit /proc/cygdrive path if
CCP_PROC_CYGDRIVE flag is given.
(mount_info::conv_to_posix_path): Take flag values rather than just
a keep_rel_p bool. Rename _p variables. Print flag value as hex in
debug_printf. Call cygdrive_posix_path with flag values.
* mount.h (mount_info::cygdrive_posix_path): Accommodate above change
in declaration.
(mount_info::conv_to_posix_path): Ditto.
* fhandler_process.cc (format_process_exename): Accommodate change to
mount_info::conv_to_posix_path.
* path.cc (cygwin_conv_path): Ditto.
* cygpath.cc (absolute_flag): Initialize to CCP_RELATIVE to simplify
expressions.
(cygdrive_flag): New global flag.
(long_options): Add --proc-cygdrive option.
(options): Add -U option.
(usage): Add description for -U option.
(do_sysfolders): Or cygdrive_flag to cygwin_conv_path call.
(do_pathconv): Simply or absolute_flag to conv_func. Or
cygdrive_flag to conv_func.
(do_options): Initalize absolute_flag to CCP_RELATIVE. Initialize new
cygdrive_flag. Set absolute_flag to CCP_ABSOLUTE on -a. Set
cygdrive_flag to CCP_PROC_CYGDRIVE on -U.
* new-features.xml (ov-new2.4): Document cygpath -U option.
* utils.xml (cygpath): Ditto.
* path.xml (func-cygwin-path): Add CCP_PROC_CYGDRIVE description.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* msp430/msp430xl-sim.ld (__high_bsssize): Define.
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Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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affected platforms
* dcrt0.cc (dll_crt0_0): On 64 bit, set wow64_needs_stack_adjustment
if not started from a 64 bit process.
(_dll_crt0): Enable wow64_needs_stack_adjustment branch on 64 bit
as well. Remove 64 bit only code. Introduce CREATE_STACK and
FIX_STACK macros to conditionalize the code. Rearrange and
partially rewrite comments.
* wincap.h (wincaps::has_3264_stack_broken): New element.
* wincap.cc: Implement above element throughout.
(wincapc::init): Set has_3264_stack_broken to false on 32 bit.
* wow64.cc: Enable functionality on 64 bit architecture, except for
wow64_revert_to_original_stack. Enhance comments to explain.
(wow64_eval_expected_main_stack): Make 64 bit clean.
(wow64_test_for_64bit_parent): Ditto.
* wow64.h: Export wow64_revert_to_original_stack on 32 bit only,
everything else on all architectures.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* fhandler_process.cc (thread_info::thread_info): Accommodate the fact
that TEBs take two pages.
(thread_info::fill_if_match): Rewrite the method for post W10 1511 TEB
detection.
(format_process_maps): Add a state member to region. Fix the code
to handle PEB/TEB region since W10 1511.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* fhandler_process.cc (heap_info::fill_if_match): Return NULL, not 0.
(thread_info::fill_if_match): Ditto.
(thread_info::fill_if_match): New method to extract TEB info from
PEB/TEB region since W10 1511.
(format_process_maps): Drop outdated FIXME comment. Add code to handle
PEB/TEB region since W10 1511.
* mmap.cc (posix_madvise): Align comment to new W10 1511 version.
* wincap.h (wincaps::has_new_pebteb_region): New element.
* wincap.cc: Implement above element throughout.
(wincap_10_1511): New global wincaps to support Windows 10 since 1511.
(wincapc::init): Use wincap_10_1511 for W10 builds >= 10586.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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x86_64 only:
* dcrt0.cc (_dll_crt0): Always move stack to pthread stack area.
Explain why.
* miscfuncs.cc (create_new_main_thread_stack): New function to create
OS-like stack for main thread in pthread stack area.
* miscfuncs.cc (create_new_main_thread_stack): Declare.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* dcrt0.cc (child_info_fork::alloc_stack): Fix formatting.
* fork.cc (frok::parent): Fix formatting.
(child_copy): Change type of res to BOOL.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* dcrt0.cc (dll_crt0_1): Always restore the TEB stack info. Especially
restore DeallocationStack. Fix comment.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* dcrt0.cc (child_info_fork::alloc_stack): Don't set stackaddr to 0.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* child_info.h (struct child_info): Add member from_main.
* fork.cc (frok::child): Check from_main rather than stackaddr.
(frok::parent): Set ch.from_main if running in the main thread.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* child_info.h (CURR_CHILD_INFO_MAGIC): Align to below change.
(class child_info_fork): Rename stacktop to stacklimit. Rename
stackbottom to stackbase. Accommodate name change throughout Cygwin.
Rephrase comments to be clearer.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* cygtls.h (_tlsbase): Remove. Replace throughout with
NtCurrentTeb()->Tib.StackBase.
(_tlstop): Remove. Replace throughout with
NtCurrentTeb()->Tib.StackLimit.
* dcrt0.cc (child_info_fork::alloc_stack): Move definition of local
teb variable up to be used throughout.
* include/cygwin/config.h (__getreent): Use inline function on both
architectures.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* uinfo.cc (pwdgrp::fetch_account_from_windows): Only create 1-5-32-x
SIDs from ids for x <= 999.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* sec_acl.cc (get_posix_access): In case owner SID == group SID, when
encountering the group entry, change the value of `id' accordingly.
Explain why.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* gendef (sigdelayed): Save and restore content of the MXCSR register
on x86_64.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* cygtls.h (_cygtls::wait_signal_arrived): Renamed from
set_signal_arrived.
(_cygtls::set_signal_arrived): New function signalling signal_arrived.
(_cygtls::reset_signal_arrived): Don't reset will_wait_for_signal.
(_cygtls::unwait_signal_arrived): New function only resetting
will_wait_for_signal.
(class wait_signal_arrived): Rename from set_signal_arrived.
Accommodate name change throughout Cygwin.
(wait_signal_arrived::~wait_signal_arrived): Call
_cygtls::unwait_signal_arrived. Add comment.
* cygserver_ipc.h (ipc_set_proc_info): Fetch signal_arrived handle
via call to _cygtls::get_signal_arrived.
* exceptions.cc (_cygtls::interrupt_setup): Signal signal_arrived via
call to _cygtls::set_signal_arrived.
(_cygtls::handle_SIGCONT): Ditto.
* fhandler_socket.cc (fhandler_socket::wait_for_events): Generate
WSAEVENT array prior to entering wait loop. Add cancel event object
if available. Remove calls to pthread_testcancel and just call
pthread::static_cancel_self if the cancel event object is signalled.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* kill.cc (strsigno): Don't call sys_sigabbrev for signal 0.
(listsig): Don't call strsigno for signal 0.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* path.cc (symlink_native): Fix index when looking for colon in path.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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One more patch. MacType was observed by several users to cause `GPGME:
Invalid crypto engine` failures in MSYS2. See
<https://github.com/Alexpux/MSYS2-packages/issues/393>.
I also removed two full stops in the sake of consistency.
* faq-using.xml: Add MacType to the BLODA. Fix formatting.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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First take on how to describe dereferencing of Cygwin-only symlinks path
components when creating NTFS symlinks.
Note that I haven't tried building the documentation, so I don't know if
the added paragraph breaks anything. Hopefully not.
* pathnames.xml: Add a section describing peculiarities of how Cygwin
creates NTFS symlinks.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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A user of MSYS2 had non-deterministic segfaults when running simple
command from bash started from cmd. We've isolated the cause to
`C:\Program Files (x86)\Forefront TMG Client\FwcWsp64.dll`. See
<http://sourceforge.net/p/msys2/tickets/212/> for a little more
information.
It seems enough to include the software in BLODA, but if not, sorry for
the unsolicited patch and let's discuss.
* faq-using.xml: Add Forefront TMG to the BLODA
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* libc/stdlib/strtodg.c: Add ifdef to check _HAVE_LONG_DOUBLE and
_LDBL_EQ_DBL.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Reformulate the strcmp-armv7.S selection logic around the architecture
features required by the implementation code rather (some) version of
the architecture that expose those features.
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The patch moves the inline ASM thumb2 -Os implementation out into its
own .S file.
Tested by building newlib and comparing libc.a binaries before and
after for all permutations of:
Architectures:
armv4 armv4t armv5 armv5t armv5te armv6 armv6j armv6k
armv6z armv6kz armv6t2 armv6-m armv6s-m armv7 armv7-a
armv7ve armv7-r armv7-m armv7e-m armv8-a iwmmxt iwmmxt2
ISAs:
thumb arm
Optimization Levels:
Os O2
Excluding:
armv6s-m -mthumb
armv6-m -mthumb
armv6zk -mthumb
armv6z -mthumb
armv6k -mthumb
armv6j -mthumb
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* msp430/msp430xl-sim.ld (__high_bsssize): Define.
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ps_AF locales
* nlsfuncs.cc (setlocaleinfo): New macro calling __setlocaleinfo.
(__setlocaleinfo): New function to set a locale-specific character
to an explicit wchar_t value.
(__set_lc_numeric_from_win): Handle fa_IR and ps_AF locales to return
same decimal point and thousands separator characters as on Linux.
(__set_lc_monetary_from_win): Ditto for monetary characters.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* libc/stdlib/strtodg.c: Define USE_LOCALE.
(_strtodg_r): Handle multibyte decimal point.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* libc/stdlib/Makefile.am (GENERAL_SOURCES): Add strtodg.c and
strtorx.c.
* libc/stdlib/Makefile.in: Regenerate.
* libc/stdlib/strtodg.c: New file implementing generic string to long
double conversion.
* libc/stdlib/strtorx.c: New file, implementing IEEE format string to
long double conversion.
* libc/stdlib/mprec.h (_strtodg_r): Declare.
(_strtorx_r): Declare.
* libc/stdlib/gdtoa.h (__UShort): Define.
* libc/stdlib/strtold.c (__flt_rounds): Define for i386 and x86_64
target.
(FLT_ROUNDS): Define, as 0 on platforms missing a __flt_rounds
function.
(_strtold_r): Converted from strtold. Call _strtorx_r on targets
supporting distinct long doubles.
(strtold): Just call _strtold_r.
* libc/include/stdlib.h (_strtold_r): Declare.
* libc/stdlib/ldtoa.c (_strtold): Comment out. Explain why.
* libc/stdio/vfscanf.c (__SVFSCANF_R): Call _strtold_r instead of
_strtold.
* libc/machine/powerpc/vfscanf.c (__svfscanf_r): Ditto.
* common.din (strtold): Drop redirection to _strtold.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* libc/stdlib/strtod.c (match): Move from here...
* libc/stdlib/gdtoa-hexnan.c (match): ...to here.
* libc/stdlib/mprec.h (match): Declare and add __match define.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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