Elliott Hughes | 13da600 | 2025-02-03 10:42:13 -0800 | [diff] [blame] | 1 | // Copyright (C) 2017 The Android Open Source Project |
| 2 | // SPDX-License-Identifier: BSD-2-Clause |
Elliott Hughes | 21b56eb | 2017-10-20 17:57:17 -0700 | [diff] [blame] | 3 | |
| 4 | #include <limits.h> |
| 5 | |
| 6 | #include "header_checks.h" |
| 7 | |
| 8 | static void limits_h() { |
| 9 | // These are only defined if they're constants. |
Colin Cross | b6830ca | 2023-01-18 15:55:48 -0800 | [diff] [blame] | 10 | #if !defined(__BIONIC__) && !defined(__GLIBC__) && !defined(ANDROID_HOST_MUSL) |
Elliott Hughes | 21b56eb | 2017-10-20 17:57:17 -0700 | [diff] [blame] | 11 | MACRO(AIO_LISTIO_MAX); |
| 12 | MACRO(AIO_MAX); |
| 13 | #endif |
Colin Cross | b6830ca | 2023-01-18 15:55:48 -0800 | [diff] [blame] | 14 | #if !defined(__BIONIC__) && !defined(ANDROID_HOST_MUSL) |
Elliott Hughes | 21b56eb | 2017-10-20 17:57:17 -0700 | [diff] [blame] | 15 | MACRO(AIO_PRIO_DELTA_MAX); |
| 16 | #endif |
| 17 | #if !defined(__BIONIC__) && !defined(__GLIBC__) |
| 18 | MACRO(ARG_MAX); |
Colin Cross | b6830ca | 2023-01-18 15:55:48 -0800 | [diff] [blame] | 19 | #endif |
| 20 | #if !defined(__BIONIC__) && !defined(__GLIBC__) && !defined(ANDROID_HOST_MUSL) |
Elliott Hughes | 21b56eb | 2017-10-20 17:57:17 -0700 | [diff] [blame] | 21 | MACRO(ATEXIT_MAX); |
| 22 | MACRO(CHILD_MAX); |
| 23 | #endif |
| 24 | #if !defined(__BIONIC__) |
| 25 | MACRO(DELAYTIMER_MAX); |
| 26 | #endif |
| 27 | MACRO(HOST_NAME_MAX); |
| 28 | MACRO(IOV_MAX); |
| 29 | MACRO(LOGIN_NAME_MAX); |
Colin Cross | b6830ca | 2023-01-18 15:55:48 -0800 | [diff] [blame] | 30 | #if !defined(__BIONIC__) && !defined(__GLIBC__) && !defined(ANDROID_HOST_MUSL) |
Elliott Hughes | 21b56eb | 2017-10-20 17:57:17 -0700 | [diff] [blame] | 31 | MACRO(MQ_OPEN_MAX); |
| 32 | #endif |
| 33 | #if !defined(__BIONIC__) |
| 34 | MACRO(MQ_PRIO_MAX); |
| 35 | #endif |
Elliott Hughes | 9bb0864 | 2025-01-28 07:29:11 -0800 | [diff] [blame] | 36 | #if defined(__BIONIC__) |
| 37 | MACRO(NSIG_MAX); |
| 38 | #endif |
Colin Cross | b6830ca | 2023-01-18 15:55:48 -0800 | [diff] [blame] | 39 | #if !defined(__BIONIC__) && !defined(__GLIBC__) && !defined(ANDROID_HOST_MUSL) |
Elliott Hughes | 21b56eb | 2017-10-20 17:57:17 -0700 | [diff] [blame] | 40 | MACRO(OPEN_MAX); |
Colin Cross | b6830ca | 2023-01-18 15:55:48 -0800 | [diff] [blame] | 41 | #endif |
| 42 | #if !defined(__BIONIC__) && !defined(__GLIBC__) |
Elliott Hughes | 21b56eb | 2017-10-20 17:57:17 -0700 | [diff] [blame] | 43 | MACRO(PAGESIZE); |
| 44 | MACRO(PAGE_SIZE); |
| 45 | #endif |
| 46 | MACRO(PTHREAD_DESTRUCTOR_ITERATIONS); |
| 47 | MACRO(PTHREAD_KEYS_MAX); |
| 48 | #if !defined(__BIONIC__) |
| 49 | MACRO(PTHREAD_STACK_MIN); |
| 50 | #endif |
Colin Cross | b6830ca | 2023-01-18 15:55:48 -0800 | [diff] [blame] | 51 | #if !defined(__BIONIC__) && !defined(__GLIBC__) && !defined(ANDROID_HOST_MUSL) |
Elliott Hughes | 21b56eb | 2017-10-20 17:57:17 -0700 | [diff] [blame] | 52 | MACRO(PTHREAD_THREADS_MAX); |
| 53 | #endif |
Colin Cross | b6830ca | 2023-01-18 15:55:48 -0800 | [diff] [blame] | 54 | #if !defined(ANDROID_HOST_MUSL) |
Elliott Hughes | 21b56eb | 2017-10-20 17:57:17 -0700 | [diff] [blame] | 55 | MACRO(RTSIG_MAX); |
Colin Cross | b6830ca | 2023-01-18 15:55:48 -0800 | [diff] [blame] | 56 | #endif |
Elliott Hughes | 21b56eb | 2017-10-20 17:57:17 -0700 | [diff] [blame] | 57 | #if !defined(__BIONIC__) && !defined(__GLIBC__) |
| 58 | MACRO(SEM_NSEMS_MAX); |
| 59 | #endif |
| 60 | MACRO(SEM_VALUE_MAX); |
Colin Cross | b6830ca | 2023-01-18 15:55:48 -0800 | [diff] [blame] | 61 | #if !defined(__BIONIC__) && !defined(__GLIBC__) && !defined(ANDROID_HOST_MUSL) |
Elliott Hughes | 21b56eb | 2017-10-20 17:57:17 -0700 | [diff] [blame] | 62 | MACRO(SIGQUEUE_MAX); |
| 63 | MACRO(SS_REPL_MAX); |
| 64 | MACRO(STREAM_MAX); |
Colin Cross | b6830ca | 2023-01-18 15:55:48 -0800 | [diff] [blame] | 65 | #endif |
| 66 | #if !defined(__BIONIC__) && !defined(__GLIBC__) |
Elliott Hughes | 21b56eb | 2017-10-20 17:57:17 -0700 | [diff] [blame] | 67 | MACRO(SYMLOOP_MAX); |
Colin Cross | b6830ca | 2023-01-18 15:55:48 -0800 | [diff] [blame] | 68 | #endif |
| 69 | #if !defined(__BIONIC__) && !defined(__GLIBC__) && !defined(ANDROID_HOST_MUSL) |
Elliott Hughes | 21b56eb | 2017-10-20 17:57:17 -0700 | [diff] [blame] | 70 | MACRO(TIMER_MAX); |
| 71 | #endif |
| 72 | #if !defined(__BIONIC__) |
| 73 | MACRO(TTY_NAME_MAX); |
| 74 | #endif |
| 75 | #if !defined(__BIONIC__) && !defined(__GLIBC__) |
| 76 | MACRO(TZNAME_MAX); |
| 77 | #endif |
| 78 | |
| 79 | #if !defined(__BIONIC__) && !defined(__GLIBC__) |
| 80 | MACRO(FILESIZEBITS); |
Colin Cross | b6830ca | 2023-01-18 15:55:48 -0800 | [diff] [blame] | 81 | #endif |
| 82 | #if !defined(__BIONIC__) && !defined(__GLIBC__) && !defined(ANDROID_HOST_MUSL) |
Elliott Hughes | 21b56eb | 2017-10-20 17:57:17 -0700 | [diff] [blame] | 83 | MACRO(LINK_MAX); |
| 84 | #endif |
Colin Cross | b6830ca | 2023-01-18 15:55:48 -0800 | [diff] [blame] | 85 | #if !defined(ANDROID_HOST_MUSL) |
Elliott Hughes | 21b56eb | 2017-10-20 17:57:17 -0700 | [diff] [blame] | 86 | MACRO(MAX_CANON); |
| 87 | MACRO(MAX_INPUT); |
Colin Cross | b6830ca | 2023-01-18 15:55:48 -0800 | [diff] [blame] | 88 | #endif |
Elliott Hughes | 21b56eb | 2017-10-20 17:57:17 -0700 | [diff] [blame] | 89 | MACRO(NAME_MAX); |
| 90 | MACRO(PATH_MAX); |
| 91 | MACRO(PIPE_BUF); |
| 92 | #if 0 // No libc has these. |
| 93 | MACRO(POSIX_ALLOC_SIZE_MIN); |
| 94 | MACRO(POSIX_REC_INCR_XFER_SIZE); |
| 95 | MACRO(POSIX_REC_MAX_XFER_SIZE); |
| 96 | MACRO(POSIX_REC_MIN_XFER_SIZE); |
| 97 | MACRO(POSIX_REC_XFER_ALIGN); |
| 98 | #endif |
Colin Cross | b6830ca | 2023-01-18 15:55:48 -0800 | [diff] [blame] | 99 | #if !defined(__BIONIC__) && !defined(__GLIBC__) && !defined(ANDROID_HOST_MUSL) |
Elliott Hughes | 21b56eb | 2017-10-20 17:57:17 -0700 | [diff] [blame] | 100 | MACRO(SYMLINK_MAX); |
| 101 | #endif |
| 102 | |
| 103 | #if !defined(__BIONIC__) |
| 104 | MACRO(BC_BASE_MAX); |
| 105 | MACRO(BC_DIM_MAX); |
| 106 | MACRO(BC_SCALE_MAX); |
| 107 | MACRO(BC_STRING_MAX); |
| 108 | MACRO(CHARCLASS_NAME_MAX); |
| 109 | MACRO(COLL_WEIGHTS_MAX); |
| 110 | MACRO(EXPR_NEST_MAX); |
Elliott Hughes | 21b56eb | 2017-10-20 17:57:17 -0700 | [diff] [blame] | 111 | MACRO(NGROUPS_MAX); |
| 112 | MACRO(RE_DUP_MAX); |
| 113 | #endif |
Elliott Hughes | b266f65 | 2024-04-09 15:41:10 +0000 | [diff] [blame] | 114 | MACRO(LINE_MAX); |
Elliott Hughes | 21b56eb | 2017-10-20 17:57:17 -0700 | [diff] [blame] | 115 | |
| 116 | MACRO_VALUE(_POSIX_CLOCKRES_MIN, 20000000); |
| 117 | |
| 118 | MACRO_VALUE(_POSIX_AIO_LISTIO_MAX, 2); |
| 119 | MACRO_VALUE(_POSIX_AIO_MAX, 1); |
| 120 | MACRO_VALUE(_POSIX_ARG_MAX, 4096); |
| 121 | MACRO_VALUE(_POSIX_CHILD_MAX, 25); |
| 122 | MACRO_VALUE(_POSIX_DELAYTIMER_MAX, 32); |
| 123 | MACRO_VALUE(_POSIX_HOST_NAME_MAX, 255); |
| 124 | MACRO_VALUE(_POSIX_LINK_MAX, 8); |
| 125 | MACRO_VALUE(_POSIX_LOGIN_NAME_MAX, 9); |
| 126 | MACRO_VALUE(_POSIX_MAX_CANON, 255); |
| 127 | MACRO_VALUE(_POSIX_MAX_INPUT, 255); |
| 128 | MACRO_VALUE(_POSIX_MQ_OPEN_MAX, 8); |
| 129 | MACRO_VALUE(_POSIX_MQ_PRIO_MAX, 32); |
| 130 | MACRO_VALUE(_POSIX_NAME_MAX, 14); |
| 131 | MACRO_VALUE(_POSIX_NGROUPS_MAX, 8); |
| 132 | MACRO_VALUE(_POSIX_OPEN_MAX, 20); |
| 133 | MACRO_VALUE(_POSIX_PATH_MAX, 256); |
| 134 | MACRO_VALUE(_POSIX_PIPE_BUF, 512); |
| 135 | MACRO_VALUE(_POSIX_RE_DUP_MAX, 255); |
| 136 | MACRO_VALUE(_POSIX_RTSIG_MAX, 8); |
| 137 | MACRO_VALUE(_POSIX_SEM_NSEMS_MAX, 256); |
| 138 | MACRO_VALUE(_POSIX_SEM_VALUE_MAX, 32767); |
| 139 | MACRO_VALUE(_POSIX_SIGQUEUE_MAX, 32); |
| 140 | MACRO_VALUE(_POSIX_SSIZE_MAX, 32767); |
| 141 | #if !defined(__GLIBC__) |
| 142 | MACRO_VALUE(_POSIX_SS_REPL_MAX, 4); |
| 143 | #endif |
| 144 | MACRO_VALUE(_POSIX_STREAM_MAX, 8); |
| 145 | MACRO_VALUE(_POSIX_SYMLINK_MAX, 255); |
| 146 | MACRO_VALUE(_POSIX_SYMLOOP_MAX, 8); |
| 147 | MACRO_VALUE(_POSIX_THREAD_DESTRUCTOR_ITERATIONS, 4); |
| 148 | MACRO_VALUE(_POSIX_THREAD_KEYS_MAX, 128); |
| 149 | MACRO_VALUE(_POSIX_THREAD_THREADS_MAX, 64); |
| 150 | MACRO_VALUE(_POSIX_TIMER_MAX, 32); |
| 151 | #if !defined(__GLIBC__) |
| 152 | MACRO_VALUE(_POSIX_TRACE_EVENT_NAME_MAX, 30); |
| 153 | MACRO_VALUE(_POSIX_TRACE_NAME_MAX, 8); |
| 154 | MACRO_VALUE(_POSIX_TRACE_SYS_MAX, 8); |
| 155 | MACRO_VALUE(_POSIX_TRACE_USER_EVENT_MAX, 32); |
| 156 | #endif |
| 157 | MACRO_VALUE(_POSIX_TTY_NAME_MAX, 9); |
| 158 | MACRO_VALUE(_POSIX_TZNAME_MAX, 6); |
| 159 | MACRO_VALUE(_POSIX2_BC_BASE_MAX, 99); |
| 160 | MACRO_VALUE(_POSIX2_BC_DIM_MAX, 2048); |
| 161 | MACRO_VALUE(_POSIX2_BC_SCALE_MAX, 99); |
| 162 | MACRO_VALUE(_POSIX2_BC_STRING_MAX, 1000); |
| 163 | MACRO_VALUE(_POSIX2_CHARCLASS_NAME_MAX, 14); |
| 164 | MACRO_VALUE(_POSIX2_COLL_WEIGHTS_MAX, 2); |
| 165 | MACRO_VALUE(_POSIX2_EXPR_NEST_MAX, 32); |
| 166 | MACRO_VALUE(_POSIX2_LINE_MAX, 2048); |
| 167 | MACRO_VALUE(_POSIX2_RE_DUP_MAX, 255); |
| 168 | #if !defined(__GLIBC__) |
| 169 | MACRO_VALUE(_XOPEN_IOV_MAX, 16); |
| 170 | MACRO_VALUE(_XOPEN_NAME_MAX, 255); |
| 171 | MACRO_VALUE(_XOPEN_PATH_MAX, 1024); |
| 172 | #endif |
| 173 | |
| 174 | MACRO_VALUE(CHAR_BIT, 8); |
| 175 | MACRO(CHAR_MAX); |
| 176 | MACRO(CHAR_MIN); |
| 177 | MACRO(INT_MAX); |
| 178 | MACRO(INT_MIN); |
| 179 | MACRO(LLONG_MAX); |
| 180 | MACRO(LLONG_MIN); |
| 181 | MACRO(LONG_BIT); |
| 182 | MACRO(LONG_MAX); |
| 183 | MACRO(LONG_MIN); |
| 184 | MACRO(MB_LEN_MAX); |
| 185 | MACRO_VALUE(SCHAR_MAX, 127); |
| 186 | MACRO_VALUE(SCHAR_MIN, -128); |
| 187 | MACRO(SHRT_MAX); |
| 188 | MACRO(SHRT_MIN); |
| 189 | MACRO(SSIZE_MAX); |
| 190 | MACRO_VALUE(UCHAR_MAX, 255); |
| 191 | MACRO(UINT_MAX); |
| 192 | MACRO(ULLONG_MAX); |
| 193 | MACRO(ULONG_MAX); |
| 194 | MACRO(USHRT_MAX); |
| 195 | MACRO(WORD_BIT); |
| 196 | |
| 197 | MACRO(NL_ARGMAX); |
| 198 | MACRO(NL_LANGMAX); |
| 199 | MACRO(NL_MSGMAX); |
| 200 | MACRO(NL_SETMAX); |
| 201 | MACRO(NL_TEXTMAX); |
| 202 | MACRO(NZERO); |
| 203 | } |