usr.bin/getconf/pathconf.gperf

   1 %{
   2 /*
   3  * Copyright is disclaimed as to the contents of this file.
   4  *
   5  * $FreeBSD$
   6  */
   7
   8 #include <sys/types.h>
   9
  10 #include <string.h>
  11 #include <unistd.h>
  12 #ifdef APPLE_GETCONF_UNDERSCORE
  13 #include <alloca.h>
  14 #endif /* APPLE_GETCONF_UNDERSCORE */
  15
  16 #include "getconf.h"
  17
  18 /*
  19  * Override gperf's built-in external scope.
  20  */
  21 static const struct map *in_word_set(const char *str);
  22
  23 %}
  24 struct map { const char *name; int key; int valid; };
  25 %%
  26 FILESIZEBITS, _PC_FILESIZEBITS
  27 LINK_MAX, _PC_LINK_MAX
  28 MAX_CANON, _PC_MAX_CANON
  29 MAX_INPUT, _PC_MAX_INPUT
  30 NAME_MAX, _PC_NAME_MAX
  31 PATH_MAX, _PC_PATH_MAX
  32 PIPE_BUF, _PC_PIPE_BUF
  33 POSIX_ALLOC_SIZE_MIN, _PC_ALLOC_SIZE_MIN
  34 POSIX_REC_INCR_XFER_SIZE, _PC_REC_INCR_XFER_SIZE
  35 POSIX_REC_MAX_XFER_SIZE, _PC_REC_MAX_XFER_SIZE
  36 POSIX_REC_MIN_XFER_SIZE, _PC_REC_MIN_XFER_SIZE
  37 POSIX_REC_XFER_ALIGN, _PC_REC_XFER_ALIGN
  38 POSIX2_SYMLINKS, _PC_2_SYMLINKS
  39 SYMLINK_MAX, _PC_SYMLINK_MAX
  40 TRUSTEDBSD_ACL_EXTENDED, _PC_ACL_EXTENDED
  41 TRUSTEDBSD_ACL_PATH_MAX, _PC_ACL_PATH_MAX
  42 TRUSTEDBSD_CAP_PRESENT, _PC_CAP_PRESENT
  43 TRUSTEDBSD_INF_PRESENT, _PC_INF_PRESENT
  44 TRUSTEDBSD_MAC_PRESENT, _PC_MAC_PRESENT
  45 _POSIX_ASYNC_IO, _PC_ASYNC_IO
  46 _POSIX_CHOWN_RESTRICTED, _PC_CHOWN_RESTRICTED
  47 _POSIX_NO_TRUNC, _PC_NO_TRUNC
  48 _POSIX_PATH_MAX, _PC_PATH_MAX
  49 _POSIX_PRIO_IO, _PC_PRIO_IO
  50 _POSIX_SYNC_IO, _PC_SYNC_IO
  51 _POSIX_VDISABLE, _PC_VDISABLE
  52 %%
  53 int
  54 find_pathconf(const char *name, int *key)
  55 {
  56         const struct map *rv;
  57 #ifdef APPLE_GETCONF_UNDERSCORE
  58         char *alt;
  59 #endif /* APPLE_GETCONF_UNDERSCORE */
  60
  61         rv = in_word_set(name);
  62         if (rv != NULL) {
  63                 if (rv->valid) {
  64                         *key = rv->key;
  65                         return 1;
  66                 }
  67                 return -1;
  68         }
  69 #ifdef APPLE_GETCONF_UNDERSCORE
  70         if(*name == '_')
  71                 alt = (char *)name + 1;
  72         else {
  73                 if((alt = (char *)alloca(strlen(name) + 2)) == NULL)
  74                         return 0;
  75                 *alt = '_';
  76                 strcpy(alt + 1, name);
  77         }
  78         rv = in_word_set(alt);
  79         if (rv != NULL) {
  80                 if (rv->valid) {
  81                         *key = rv->key;
  82                         return 1;
  83                 }
  84                 return -1;
  85         }
  86 #endif /* APPLE_GETCONF_UNDERSCORE */
  87         return 0;
  88 }