git.saurik.com Git - apple/system_cmds.git/blob

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 */

8 #include <sys/types.h>

10 #include <string.h>

11 #include <unistd.h>

12 #ifdef APPLE_GETCONF_UNDERSCORE

13 #include <alloca.h>

14 #endif /* APPLE_GETCONF_UNDERSCORE */

16 #include "getconf.h"

18 /*

19 * Override gperf's built-in external scope.

20 */

21 static const struct map *in_word_set(const char *str);

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 }