osx/util.h

   1 /*
   2  * Copyright (c) 2010 Marco Peereboom <marco@peereboom.us>
   3  *
   4  * Permission to use, copy, modify, and distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #define FPARSELN_UNESCESC       0x01
  18 #define FPARSELN_UNESCCONT      0x02
  19 #define FPARSELN_UNESCCOMM      0x04
  20 #define FPARSELN_UNESCREST      0x08
  21 #define FPARSELN_UNESCALL       0x0f
  22
  23 #if !__has_builtin(strlcpy)
  24 size_t  strlcpy(char *, const char *, size_t);
  25 #endif
  26 #if !__has_builtin(strlcat)
  27 size_t  strlcat(char *, const char *, size_t);
  28 #endif
  29
  30 char   *fgetln(FILE *, size_t *);
  31 char   *fparseln(FILE *, size_t *, size_t *, const char [3], int);
  32
  33 long long strtonum(const char *, long long, long long, const char **);
  34
  35 int     fmt_scaled(long long number, char *result);
  36
  37 #ifndef WAIT_ANY
  38 #define WAIT_ANY                (-1)
  39 #endif
  40
  41 /* there is no limit to ulrich drepper's crap */
  42 #ifndef TAILQ_END
  43 #define TAILQ_END(head)                 NULL
  44 #endif
  45
  46 #ifndef TAILQ_FOREACH_SAFE
  47 #define TAILQ_FOREACH_SAFE(var, head, field, tvar)                      \
  48         for ((var) = TAILQ_FIRST(head);                                 \
  49             (var) != TAILQ_END(head) &&                                 \
  50             ((tvar) = TAILQ_NEXT(var, field), 1);                       \
  51             (var) = (tvar))
  52 #endif
  53
  54 /*
  55  * fmt_scaled(3) specific flags. (from OpenBSD util.h)
  56  */
  57 #define FMT_SCALED_STRSIZE      7       /* minus sign, 4 digits, suffix, null byte */
  58
  59 int getpeereid(int s, uid_t *euid, gid_t *gid);
  60