getconf.tproj/limits.gperf

   1 %{
   2 /*
   3  * Copyright is disclaimed as to the contents of this file.
   4  *
   5  * $FreeBSD: src/usr.bin/getconf/limits.gperf,v 1.2 2003/08/22 17:32:07 markm Exp $
   6  */
   7
   8 #include <sys/types.h>
   9
  10 #include <string.h>
  11 #include <limits.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; intmax_t value; int valid; };
  25 %%
  26 _POSIX_AIO_LISTIO_MAX, _POSIX_AIO_LISTIO_MAX
  27 _POSIX_AIO_MAX, _POSIX_AIO_MAX
  28 _POSIX_ARG_MAX, _POSIX_ARG_MAX
  29 _POSIX_CHILD_MAX, _POSIX_CHILD_MAX
  30 _POSIX_CLOCKRES_MIN, _POSIX_CLOCKRES_MIN
  31 _POSIX_DELAYTIMER_MAX, _POSIX_DELAYTIMER_MAX
  32 _POSIX_HOST_NAME_MAX, _POSIX_HOST_NAME_MAX
  33 _POSIX_LINK_MAX, _POSIX_LINK_MAX
  34 _POSIX_LOGIN_NAME_MAX, _POSIX_LOGIN_NAME_MAX
  35 _POSIX_MAX_CANON, _POSIX_MAX_CANON
  36 _POSIX_MAX_INPUT, _POSIX_MAX_INPUT
  37 _POSIX_MQ_OPEN_MAX, _POSIX_MQ_OPEN_MAX
  38 _POSIX_MQ_PRIO_MAX, _POSIX_MQ_PRIO_MAX
  39 _POSIX_NAME_MAX, _POSIX_NAME_MAX
  40 _POSIX_NGROUPS_MAX, _POSIX_NGROUPS_MAX
  41 _POSIX_OPEN_MAX, _POSIX_OPEN_MAX
  42 _POSIX_PATH_MAX, _POSIX_PATH_MAX
  43 _POSIX_PIPE_BUF, __POSIX_PIPE_BUF
  44 _POSIX_RE_DUP_MAX, _POSIX_RE_DUP_MAX
  45 _POSIX_RTSIG_MAX, _POSIX_RTSIG_MAX
  46 _POSIX_SEM_NSEMS_MAX, _POSIX_SEM_NSEMS_MAX
  47 _POSIX_SEM_VALUE_MAX, _POSIX_SEM_VALUE_MAX
  48 _POSIX_SIGQUEUE_MAX, _POSIX_SIGQUEUE_MAX
  49 _POSIX_SSIZE_MAX, _POSIX_SSIZE_MAX
  50 _POSIX_STREAM_MAX, _POSIX_STREAM_MAX
  51 _POSIX_SS_REPL_MAX, _POSIX_SS_REPL_MAX
  52 _POSIX_SYMLINK_MAX, _POSIX_SYMLINK_MAX
  53 _POSIX_SYMLOOP_MAX, _POSIX_SYMLOOP_MAX
  54 _POSIX_THREAD_DESTRUCTOR_ITERATIONS, _POSIX_THREAD_DESTRUCTOR_ITERATIONS
  55 _POSIX_THREAD_KEYS_MAX, _POSIX_THREAD_KEYS_MAX
  56 _POSIX_THREAD_THREADS_MAX, _POSIX_THREAD_THREADS_MAX
  57 _POSIX_TIMER_MAX, _POSIX_TIMER_MAX
  58 _POSIX_TRACE_EVENT_NAME_MAX, _POSIX_TRACE_EVENT_NAME_MAX
  59 _POSIX_TRACE_NAME_MAX, _POSIX_TRACE_NAME_MAX
  60 _POSIX_TRACE_SYS_MAX, _POSIX_TRACE_SYS_MAX
  61 _POSIX_TRACE_USER_EVENT_MAX, _POSIX_TRACE_USER_EVENT_MAX
  62 _POSIX_TTY_NAME_MAX, _POSIX_TTY_NAME_MAX
  63 _POSIX_TZNAME_MAX, _POSIX_TZNAME_MAX
  64 _POSIX2_BC_BASE_MAX, _POSIX2_BC_BASE_MAX
  65 _POSIX2_BC_DIM_MAX, _POSIX2_BC_DIM_MAX
  66 _POSIX2_BC_SCALE_MAX, _POSIX2_BC_SCALE_MAX
  67 _POSIX2_BC_STRING_MAX, _POSIX2_BC_STRING_MAX
  68 _POSIX2_CHARCLASS_NAME_MAX, _POSIX2_CHARCLASS_NAME_MAX
  69 _POSIX2_COLL_WEIGHTS_MAX, _POSIX2_COLL_WEIGHTS_MAX
  70 _POSIX2_EXPR_NEST_MAX, _POSIX2_EXPR_NEST_MAX
  71 _POSIX2_LINE_MAX, _POSIX2_LINE_MAX
  72 _POSIX2_RE_DUP_MAX, _POSIX2_RE_DUP_MAX
  73 _XOPEN_IOV_MAX, _XOPEN_IOV_MAX
  74 _XOPEN_NAME_MAX, _XOPEN_NAME_MAX
  75 _XOPEN_PATH_MAX, _XOPEN_PATH_MAX
  76 CHAR_BIT, CHAR_BIT
  77 CHAR_MAX, CHAR_MAX
  78 CHAR_MIN, CHAR_MIN
  79 INT_MAX, INT_MAX
  80 INT_MIN, INT_MIN
  81 LLONG_MIN, LLONG_MIN
  82 LLONG_MAX, LLONG_MAX
  83 LONG_BIT, LONG_BIT
  84 LONG_MAX, LONG_MAX
  85 LONG_MIN, LONG_MIN
  86 MB_LEN_MAX, MB_LEN_MAX
  87 SCHAR_MAX, SCHAR_MAX
  88 SCHAR_MIN, SCHAR_MIN
  89 SHRT_MAX, SHRT_MAX
  90 SHRT_MIN, SHRT_MIN
  91 SSIZE_MAX, SSIZE_MAX
  92 UCHAR_MAX, UCHAR_MAX
  93 UINT_MAX, UINT_MAX
  94 ULLONG_MAX, ULLONG_MAX
  95 ULONG_MAX, ULONG_MAX
  96 USHRT_MAX, USHRT_MAX
  97 WORD_BIT, WORD_BIT
  98 CHARCLASS_NAME_MAX, CHARCLASS_NAME_MAX
  99 NL_ARGMAX, NL_ARGMAX
 100 ML_LANGMAX, NL_LANGMAX
 101 NL_MSGMAX, NL_MSGMAX
 102 NL_NMAX, NL_NMAX
 103 NL_SETMAX, NL_SETMAX
 104 NL_TEXTMAX, NL_TEXTMAX
 105 NZERO, NZERO
 106 %%
 107 int
 108 find_limit(const char *name, intmax_t *value)
 109 {
 110         const struct map *rv;
 111 #ifdef APPLE_GETCONF_UNDERSCORE
 112         char *alt;
 113 #endif /* APPLE_GETCONF_UNDERSCORE */
 114
 115         rv = in_word_set(name);
 116         if (rv != NULL) {
 117                 if (rv->valid) {
 118                         *value = rv->value;
 119                         return 1;
 120                 }
 121                 return -1;
 122         }
 123 #ifdef APPLE_GETCONF_UNDERSCORE
 124         if(*name == '_')
 125                 alt = (char *)name + 1;
 126         else {
 127                 if((alt = (char *)alloca(strlen(name) + 2)) == NULL)
 128                         return 0;
 129                 *alt = '_';
 130                 strcpy(alt + 1, name);
 131         }
 132         rv = in_word_set(alt);
 133         if (rv != NULL) {
 134                 if (rv->valid) {
 135                         *value = rv->value;
 136                         return 1;
 137                 }
 138                 return -1;
 139         }
 140 #endif /* APPLE_GETCONF_UNDERSCORE */
 141         return 0;
 142 }