diff options
author | Denis Vlasenko <vda.linux@googlemail.com> | 2006-11-16 05:27:24 +0300 |
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committer | Denis Vlasenko <vda.linux@googlemail.com> | 2006-11-16 05:27:24 +0300 |
commit | 83ea643d8dc9b6f53706ba30bc4b53338f4f7994 (patch) | |
tree | 3a5f790604219213666cbf5cccd747c02528912c /runit/runit_lib.h | |
parent | 3672fe9e9141c0684cae1e72e84cb2704f2a8702 (diff) |
svlogd: new applet. +9k. Still too big, but it was 12k yesterday.
Diffstat (limited to 'runit/runit_lib.h')
-rw-r--r-- | runit/runit_lib.h | 403 |
1 files changed, 403 insertions, 0 deletions
diff --git a/runit/runit_lib.h b/runit/runit_lib.h new file mode 100644 index 000000000..d306164ea --- /dev/null +++ b/runit/runit_lib.h @@ -0,0 +1,403 @@ +/* +Copyright (c) 2001-2006, Gerrit Pape +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. The name of the author may not be used to endorse or promote products + derived from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED +WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO +EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; +OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/*** buffer.h ***/ + +typedef struct buffer { + char *x; + unsigned p; + unsigned n; + int fd; + int (*op)(int fd,char *buf,unsigned len); +} buffer; + +#define BUFFER_INIT(op,fd,buf,len) { (buf), 0, (len), (fd), (op) } +#define BUFFER_INSIZE 8192 +#define BUFFER_OUTSIZE 8192 + +extern void buffer_init(buffer *,int (*)(int fd,char *buf,unsigned len),int,char *,unsigned); + +extern int buffer_flush(buffer *); +extern int buffer_put(buffer *,const char *,unsigned); +extern int buffer_putalign(buffer *,const char *,unsigned); +extern int buffer_putflush(buffer *,const char *,unsigned); +extern int buffer_puts(buffer *,const char *); +extern int buffer_putsalign(buffer *,const char *); +extern int buffer_putsflush(buffer *,const char *); + +#define buffer_PUTC(s,c) \ + ( ((s)->n != (s)->p) \ + ? ( (s)->x[(s)->p++] = (c), 0 ) \ + : buffer_put((s),&(c),1) \ + ) + +extern int buffer_get(buffer *,char *,unsigned); +extern int buffer_bget(buffer *,char *,unsigned); +extern int buffer_feed(buffer *); + +extern char *buffer_peek(buffer *); +extern void buffer_seek(buffer *,unsigned); + +#define buffer_PEEK(s) ( (s)->x + (s)->n ) +#define buffer_SEEK(s,len) ( ( (s)->p -= (len) ) , ( (s)->n += (len) ) ) + +#define buffer_GETC(s,c) \ + ( ((s)->p > 0) \ + ? ( *(c) = (s)->x[(s)->n], buffer_SEEK((s),1), 1 ) \ + : buffer_get((s),(c),1) \ + ) + +extern int buffer_copy(buffer *,buffer *); + +extern int buffer_unixread(int,char *,unsigned); +/* Actually, int buffer_unixwrite(int,const char *,unsigned), + but that 'const' will produce warnings... oh well */ +extern int buffer_unixwrite(int,char *,unsigned); + + +/*** byte.h ***/ + +extern unsigned byte_chr(char *s,unsigned n,int c); + + +/*** coe.h ***/ + +extern int coe(int); + + +/*** direntry.h ***/ + +#define direntry struct dirent + + +/*** fd.h ***/ + +extern int fd_copy(int,int); +extern int fd_move(int,int); + + +/*** fifo.h ***/ + +extern int fifo_make(const char *,int); + + +/*** fmt.h ***/ + +#define FMT_ULONG 40 /* enough space to hold 2^128 - 1 in decimal, plus \0 */ +#define FMT_LEN ((char *) 0) /* convenient abbreviation */ + +extern unsigned fmt_uint(char *,unsigned); +extern unsigned fmt_uint0(char *,unsigned,unsigned); +extern unsigned fmt_xint(char *,unsigned); +extern unsigned fmt_nbbint(char *,unsigned,unsigned,unsigned,unsigned); +extern unsigned fmt_ushort(char *,unsigned short); +extern unsigned fmt_xshort(char *,unsigned short); +extern unsigned fmt_nbbshort(char *,unsigned,unsigned,unsigned,unsigned short); +extern unsigned fmt_ulong(char *,unsigned long); +extern unsigned fmt_xlong(char *,unsigned long); +extern unsigned fmt_nbblong(char *,unsigned,unsigned,unsigned,unsigned long); + +extern unsigned fmt_plusminus(char *,int); +extern unsigned fmt_minus(char *,int); +extern unsigned fmt_0x(char *,int); + +extern unsigned fmt_str(char *,const char *); +extern unsigned fmt_strn(char *,const char *,unsigned); + + +/*** tai.h ***/ + +struct tai { + uint64_t x; +} ; + +#define tai_unix(t,u) ((void) ((t)->x = 4611686018427387914ULL + (uint64_t) (u))) + +extern void tai_now(struct tai *); + +#define tai_approx(t) ((double) ((t)->x)) + +extern void tai_add(struct tai *,const struct tai *,const struct tai *); +extern void tai_sub(struct tai *,const struct tai *,const struct tai *); +#define tai_less(t,u) ((t)->x < (u)->x) + +#define TAI_PACK 8 +extern void tai_pack(char *,const struct tai *); +extern void tai_unpack(const char *,struct tai *); + +extern void tai_uint(struct tai *,unsigned); + + +/*** taia.h ***/ + +struct taia { + struct tai sec; + unsigned long nano; /* 0...999999999 */ + unsigned long atto; /* 0...999999999 */ +} ; + +extern void taia_tai(const struct taia *,struct tai *); + +extern void taia_now(struct taia *); + +extern double taia_approx(const struct taia *); +extern double taia_frac(const struct taia *); + +extern void taia_add(struct taia *,const struct taia *,const struct taia *); +extern void taia_addsec(struct taia *,const struct taia *,int); +extern void taia_sub(struct taia *,const struct taia *,const struct taia *); +extern void taia_half(struct taia *,const struct taia *); +extern int taia_less(const struct taia *,const struct taia *); + +#define TAIA_PACK 16 +extern void taia_pack(char *,const struct taia *); +extern void taia_unpack(const char *,struct taia *); + +#define TAIA_FMTFRAC 19 +extern unsigned taia_fmtfrac(char *,const struct taia *); + +extern void taia_uint(struct taia *,unsigned); + + +/*** fmt_ptime.h ***/ + +#define FMT_PTIME 30 + +extern unsigned fmt_ptime(char *, struct taia *); +extern unsigned fmt_taia(char *, struct taia *); + + +/*** gen_alloc.h ***/ + +#define GEN_ALLOC_typedef(ta,type,field,len,a) \ + typedef struct ta { type *field; unsigned len; unsigned a; } ta; + + +/*** gen_allocdefs.h ***/ + +#define GEN_ALLOC_ready(ta,type,field,len,a,i,n,x,base,ta_ready) \ +int ta_ready(ta *x,unsigned n) \ +{ unsigned i; \ + if (x->field) { \ + i = x->a; \ + if (n > i) { \ + x->a = base + n + (n >> 3); \ + x->field = realloc(x->field,x->a * sizeof(type)); \ + if (x->field) return 1; \ + x->a = i; return 0; } \ + return 1; } \ + x->len = 0; \ + return !!(x->field = malloc((x->a = n) * sizeof(type))); } + +#define GEN_ALLOC_readyplus(ta,type,field,len,a,i,n,x,base,ta_rplus) \ +int ta_rplus(ta *x,unsigned n) \ +{ unsigned i; \ + if (x->field) { \ + i = x->a; n += x->len; \ + if (n > i) { \ + x->a = base + n + (n >> 3); \ + x->field = realloc(x->field,x->a * sizeof(type)); \ + if (x->field) return 1; \ + x->a = i; return 0; } \ + return 1; } \ + x->len = 0; \ + return !!(x->field = malloc((x->a = n) * sizeof(type))); } + +#define GEN_ALLOC_append(ta,type,field,len,a,i,n,x,base,ta_rplus,ta_append) \ +int ta_append(ta *x,const type *i) \ +{ if (!ta_rplus(x,1)) return 0; x->field[x->len++] = *i; return 1; } + + +/*** stralloc.h ***/ + +GEN_ALLOC_typedef(stralloc,char,s,len,a) + +extern int stralloc_ready(stralloc *,unsigned); +extern int stralloc_readyplus(stralloc *,unsigned); +extern int stralloc_copy(stralloc *,const stralloc *); +extern int stralloc_cat(stralloc *,const stralloc *); +extern int stralloc_copys(stralloc *,const char *); +extern int stralloc_cats(stralloc *,const char *); +extern int stralloc_copyb(stralloc *,const char *,unsigned); +extern int stralloc_catb(stralloc *,const char *,unsigned); +extern int stralloc_append(stralloc *,const char *); /* beware: this takes a pointer to 1 char */ +extern int stralloc_starts(stralloc *,const char *); + +#define stralloc_0(sa) stralloc_append(sa,"") + +extern int stralloc_catulong0(stralloc *,unsigned long,unsigned); +extern int stralloc_catlong0(stralloc *,long,unsigned); + +#define stralloc_catlong(sa,l) (stralloc_catlong0((sa),(l),0)) +#define stralloc_catuint0(sa,i,n) (stralloc_catulong0((sa),(i),(n))) +#define stralloc_catint0(sa,i,n) (stralloc_catlong0((sa),(i),(n))) +#define stralloc_catint(sa,i) (stralloc_catlong0((sa),(i),0)) + + +/*** iopause.h ***/ + +typedef struct pollfd iopause_fd; +#define IOPAUSE_READ POLLIN +#define IOPAUSE_WRITE POLLOUT + +extern void iopause(iopause_fd *,unsigned,struct taia *,struct taia *); + + +/*** lock.h ***/ + +extern int lock_ex(int); +extern int lock_un(int); +extern int lock_exnb(int); + + +/*** ndelay.h ***/ + +extern int ndelay_on(int); +extern int ndelay_off(int); + + +/*** open.h ***/ + +extern int open_read(const char *); +extern int open_excl(const char *); +extern int open_append(const char *); +extern int open_trunc(const char *); +extern int open_write(const char *); + + +/*** openreadclose.h ***/ + +extern int openreadclose(const char *,stralloc *,unsigned); + + +/*** pathexec.h ***/ + +extern void pathexec_run(const char *,char *const *,char *const *); +extern int pathexec_env(const char *,const char *); +extern void pathexec(char **); + + +/*** pmatch.h ***/ + +extern unsigned pmatch(const char *, const char *, unsigned); + + +/*** prot.h ***/ + +extern int prot_gid(int); +extern int prot_uid(int); + + +/*** readclose.h ***/ + +extern int readclose_append(int,stralloc *,unsigned); +extern int readclose(int,stralloc *,unsigned); + + +/*** scan.h ***/ + +extern unsigned scan_uint(const char *,unsigned *); +extern unsigned scan_xint(const char *,unsigned *); +extern unsigned scan_nbbint(const char *,unsigned,unsigned,unsigned,unsigned *); +extern unsigned scan_ushort(const char *,unsigned short *); +extern unsigned scan_xshort(const char *,unsigned short *); +extern unsigned scan_nbbshort(const char *,unsigned,unsigned,unsigned,unsigned short *); +extern unsigned scan_ulong(const char *,unsigned long *); +extern unsigned scan_xlong(const char *,unsigned long *); +extern unsigned scan_nbblong(const char *,unsigned,unsigned,unsigned,unsigned long *); + +extern unsigned scan_plusminus(const char *,int *); +extern unsigned scan_0x(const char *,unsigned *); + +extern unsigned scan_whitenskip(const char *,unsigned); +extern unsigned scan_nonwhitenskip(const char *,unsigned); +extern unsigned scan_charsetnskip(const char *,const char *,unsigned); +extern unsigned scan_noncharsetnskip(const char *,const char *,unsigned); + +extern unsigned scan_strncmp(const char *,const char *,unsigned); +extern unsigned scan_memcmp(const char *,const char *,unsigned); + +extern unsigned scan_long(const char *,long *); +extern unsigned scan_8long(const char *,unsigned long *); + + +/*** seek.h ***/ + +typedef unsigned long seek_pos; + +extern seek_pos seek_cur(int); + +extern int seek_set(int,seek_pos); +extern int seek_end(int); + +extern int seek_trunc(int,seek_pos); + +#define seek_begin(fd) (seek_set((fd),(seek_pos) 0)) + + +/*** sig.h ***/ + +extern int sig_alarm; +extern int sig_child; +extern int sig_cont; +extern int sig_hangup; +extern int sig_int; +extern int sig_pipe; +extern int sig_term; + +extern void (*sig_defaulthandler)(int); +extern void (*sig_ignorehandler)(int); + +extern void sig_catch(int,void (*)(int)); +#define sig_ignore(s) (sig_catch((s),sig_ignorehandler)) +#define sig_uncatch(s) (sig_catch((s),sig_defaulthandler)) + +extern void sig_block(int); +extern void sig_unblock(int); +extern void sig_blocknone(void); +extern void sig_pause(void); + +extern void sig_dfl(int); + + +/*** str.h ***/ + +extern unsigned str_chr(const char *,int); /* never returns NULL */ + +#define str_diff(s,t) strcmp((s),(t)) +#define str_equal(s,t) (!strcmp((s),(t))) + + +/*** wait.h ***/ + +extern int wait_pid(int *wstat, int pid); +extern int wait_nohang(int *wstat); + +#define wait_crashed(w) ((w) & 127) +#define wait_exitcode(w) ((w) >> 8) +#define wait_stopsig(w) ((w) >> 8) +#define wait_stopped(w) (((w) & 127) == 127) |