getconf.tproj/sysconf.gperf

   1 %{
   2 /*
   3  * Copyright is disclaimed as to the contents of this file.
   4  *
   5  * $FreeBSD: src/usr.bin/getconf/sysconf.gperf,v 1.5 2003/08/22 17:32:07 markm Exp $
   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 AIO_LISTIO_MAX, _SC_AIO_LISTIO_MAX
  27 AIO_MAX, _SC_AIO_MAX
  28 AIO_PRIO_DELTA_MAX, _SC_AIO_PRIO_DELTA_MAX
  29 ARG_MAX, _SC_ARG_MAX
  30 ATEXIT_MAX, _SC_ATEXIT_MAX
  31 BC_BASE_MAX, _SC_BC_BASE_MAX
  32 BC_DIM_MAX, _SC_BC_DIM_MAX
  33 BC_SCALE_MAX, _SC_BC_SCALE_MAX
  34 BC_STRING_MAX, _SC_BC_STRING_MAX
  35 CHILD_MAX, _SC_CHILD_MAX
  36 CLK_TCK, _SC_CLK_TCK
  37 COLL_WEIGHTS_MAX, _SC_COLL_WEIGHTS_MAX
  38 DELAYTIMER_MAX, _SC_DELAYTIMER_MAX
  39 EXPR_NEST_MAX, _SC_EXPR_NEST_MAX
  40 GETGR_R_SIZE_MAX, _SC_GETGR_R_SIZE_MAX
  41 GETPW_R_SIZE_MAX, _SC_GETPW_R_SIZE_MAX
  42 HOST_NAME_MAX, _SC_HOST_NAME_MAX
  43 IOV_MAX, _SC_IOV_MAX
  44 LINE_MAX, _SC_LINE_MAX
  45 LOGIN_NAME_MAX, _SC_LOGIN_NAME_MAX
  46 MQ_OPEN_MAX, _SC_MQ_OPEN_MAX
  47 MQ_PRIO_MAX, _SC_MQ_PRIO_MAX
  48 NGROUPS_MAX, _SC_NGROUPS_MAX
  49 NPROCESSORS_CONF, _SC_NPROCESSORS_CONF
  50 NPROCESSORS_ONLN, _SC_NPROCESSORS_ONLN
  51 OPEN_MAX, _SC_OPEN_MAX
  52 PAGESIZE, _SC_PAGESIZE
  53 PAGE_SIZE, _SC_PAGESIZE
  54 PASS_MAX, _SC_PASS_MAX
  55 PTHREAD_DESTRUCTOR_ITERATIONS, _SC_THREAD_DESTRUCTOR_ITERATIONS
  56 PTHREAD_KEYS_MAX, _SC_THREAD_KEYS_MAX
  57 PTHREAD_STACK_MIN, _SC_THREAD_STACK_MIN
  58 PTHREAD_THREADS_MAX, _SC_THREAD_THREADS_MAX
  59 RE_DUP_MAX, _SC_RE_DUP_MAX
  60 RTSIG_MAX, _SC_RTSIG_MAX
  61 SEM_NSEMS_MAX, _SC_SEM_NSEMS_MAX
  62 SEM_VALUE_MAX, _SC_SEM_VALUE_MAX
  63 SIGQUEUE_MAX, _SC_SIGQUEUE_MAX
  64 STREAM_MAX, _SC_STREAM_MAX
  65 SYMLOOP_MAX, _SC_SYMLOOP_MAX
  66 TIMER_MAX, _SC_TIMER_MAX
  67 TTY_NAME_MAX, _SC_TTY_NAME_MAX
  68 TZNAME_MAX, _SC_TZNAME_MAX
  69 _POSIX2_CHAR_TERM, _SC_2_CHAR_TERM
  70 _POSIX2_C_BIND, _SC_2_C_BIND
  71 _POSIX2_C_DEV, _SC_2_C_DEV
  72 _POSIX2_C_VERSION, _SC_2_C_VERSION
  73 _POSIX2_FORT_DEV, _SC_2_FORT_DEV
  74 _POSIX2_FORT_RUN, _SC_2_FORT_RUN
  75 _POSIX2_LOCALEDEF, _SC_2_LOCALEDEF
  76 _POSIX2_PBS, _SC_PBS
  77 _POSIX2_PBS_ACCOUNTING, _SC_PBS_ACCOUNTING
  78 _POSIX2_PBS_CHECKPOINT, _SC_PBS_CHECKPOINT
  79 _POSIX2_PBS_LOCATE, _SC_PBS_LOCATE
  80 _POSIX2_PBS_MESSAGE, _SC_PBS_MESSAGE
  81 _POSIX2_PBS_TRACK, _SC_PBS_TRACK
  82 _POSIX2_SW_DEV, _SC_2_SW_DEV
  83 _POSIX2_UPE, _SC_2_UPE
  84 _POSIX2_VERSION, _SC_2_VERSION
  85 _POSIX_ADVISORY_INFO, _SC_ADVISORY_INFO
  86 _POSIX_ASYNCHRONOUS_IO, _SC_ASYNCHRONOUS_IO
  87 _POSIX_BARRIERS, _SC_BARRIERS
  88 _POSIX_CLOCK_SELECTION, _SC_CLOCK_SELECTION
  89 _POSIX_CPUTIME, _SC_CPUTIME
  90 _POSIX_FILE_LOCKING, _SC_FILE_LOCKING
  91 _POSIX_FSYNC, _SC_FSYNC
  92 _POSIX_IPV6, _SC_IPV6
  93 _POSIX_JOB_CONTROL, _SC_JOB_CONTROL
  94 _POSIX_MAPPED_FILES, _SC_MAPPED_FILES
  95 _POSIX_MEMLOCK, _SC_MEMLOCK
  96 _POSIX_MEMLOCK_RANGE, _SC_MEMLOCK_RANGE
  97 _POSIX_MEMORY_PROTECTION, _SC_MEMORY_PROTECTION
  98 _POSIX_MESSAGE_PASSING, _SC_MESSAGE_PASSING
  99 _POSIX_MONOTONIC_CLOCK, _SC_MONOTONIC_CLOCK
 100 _POSIX_PRIORITIZED_IO, _SC_PRIORITIZED_IO
 101 _POSIX_PRIORITY_SCHEDULING, _SC_PRIORITY_SCHEDULING
 102 _POSIX_RAW_SOCKETS, _SC_RAW_SOCKETS
 103 _POSIX_READER_WRITER_LOCKS, _SC_READER_WRITER_LOCKS
 104 _POSIX_REALTIME_SIGNALS, _SC_REALTIME_SIGNALS
 105 _POSIX_REGEXP, _SC_REGEXP
 106 _POSIX_SAVED_IDS, _SC_SAVED_IDS
 107 _POSIX_SEMAPHORES, _SC_SEMAPHORES
 108 _POSIX_SHARED_MEMORY_OBJECTS, _SC_SHARED_MEMORY_OBJECTS
 109 _POSIX_SHELL, _SC_SHELL
 110 _POSIX_SPAWN, _SC_SPAWN
 111 _POSIX_SPIN_LOCKS, _SC_SPIN_LOCKS
 112 _POSIX_SPORADIC_SERVER, _SC_SPORADIC_SERVER
 113 _POSIX_SS_REPL_MAX, _SC_SS_REPL_MAX
 114 _POSIX_SYNCHRONIZED_IO, _SC_SYNCHRONIZED_IO
 115 _POSIX_THREADS, _SC_THREADS
 116 _POSIX_THREAD_ATTR_STACKADDR, _SC_THREAD_ATTR_STACKADDR
 117 _POSIX_THREAD_ATTR_STACKSIZE, _SC_THREAD_ATTR_STACKSIZE
 118 _POSIX_THREAD_CPUTIME, _SC_THREAD_CPUTIME
 119 _POSIX_THREAD_PRIORITY_SCHEDULING, _SC_THREAD_PRIORITY_SCHEDULING
 120 _POSIX_THREAD_PRIO_INHERIT, _SC_THREAD_PRIO_INHERIT
 121 _POSIX_THREAD_PRIO_PROTECT, _SC_THREAD_PRIO_PROTECT
 122 _POSIX_THREAD_PROCESS_SHARED, _SC_THREAD_PROCESS_SHARED
 123 _POSIX_THREAD_SAFE_FUNCTIONS, _SC_THREAD_SAFE_FUNCTIONS
 124 _POSIX_THREAD_SPORADIC_SERVER, _SC_THREAD_SPORADIC_SERVER
 125 _POSIX_TIMEOUTS, _SC_TIMEOUTS
 126 _POSIX_TIMERS, _SC_TIMERS
 127 _POSIX_TRACE, _SC_TRACE
 128 _POSIX_TRACE_EVENT_FILTER, _SC_TRACE_EVENT_FILTER
 129 _POSIX_TRACE_EVENT_NAME_MAX, _SC_TRACE_EVENT_NAME_MAX
 130 _POSIX_TRACE_INHERIT, _SC_TRACE_INHERIT
 131 _POSIX_TRACE_LOG, _SC_TRACE_LOG
 132 _POSIX_TRACE_NAME_MAX, _SC_TRACE_NAME_MAX
 133 _POSIX_TRACE_SYS_MAX, _SC_TRACE_SYS_MAX
 134 _POSIX_TRACE_USER_EVENT_MAX, _SC_TRACE_USER_EVENT_MAX
 135 _POSIX_TYPED_MEMORY_OBJECTS, _SC_TYPED_MEMORY_OBJECTS
 136 _POSIX_V6_ILP32_OFF32, _SC_V6_ILP32_OFF32
 137 _POSIX_V6_ILP32_OFFBIG, _SC_V6_ILP32_OFFBIG
 138 _POSIX_V6_LP64_OFF64, _SC_V6_LP64_OFF64
 139 _POSIX_V6_LPBIG_OFFBIG, _SC_V6_LPBIG_OFFBIG
 140 _POSIX_VERSION, _SC_VERSION
 141 _XOPEN_CRYPT, _SC_XOPEN_CRYPT
 142 _XOPEN_ENH_I18N, _SC_XOPEN_ENH_I18N
 143 _XOPEN_LEGACY, _SC_XOPEN_LEGACY
 144 _XOPEN_REALTIME, _SC_XOPEN_REALTIME
 145 _XOPEN_REALTIME_THREADS, _SC_XOPEN_REALTIME_THREADS
 146 _XOPEN_SHM, _SC_XOPEN_SHM
 147 _XOPEN_STREAMS, _SC_XOPEN_STREAMS
 148 _XOPEN_UNIX, _SC_XOPEN_UNIX
 149 _XOPEN_VERSION, _SC_XOPEN_VERSION
 150 _XOPEN_XCU_VERSION, _SC_XCU_VERSION
 151 %%
 152 int
 153 find_sysconf(const char *name, int *key)
 154 {
 155         const struct map *rv;
 156 #ifdef APPLE_GETCONF_UNDERSCORE
 157         char *alt;
 158 #endif /* APPLE_GETCONF_UNDERSCORE */
 159
 160         rv = in_word_set(name);
 161         if (rv != NULL) {
 162                 if (rv->valid) {
 163                         *key = rv->key;
 164                         return 1;
 165                 }
 166                 return -1;
 167         }
 168 #ifdef APPLE_GETCONF_UNDERSCORE
 169         if(*name == '_')
 170                 alt = (char *)name + 1;
 171         else {
 172                 if((alt = (char *)alloca(strlen(name) + 2)) == NULL)
 173                         return 0;
 174                 *alt = '_';
 175                 strcpy(alt + 1, name);
 176         }
 177         rv = in_word_set(alt);
 178         if (rv != NULL) {
 179                 if (rv->valid) {
 180                         *key = rv->key;
 181                         return 1;
 182                 }
 183                 return -1;
 184         }
 185 #endif /* APPLE_GETCONF_UNDERSCORE */
 186         return 0;
 187 }