|  | /* | 
|  | * Copyright (C) 2017 The Android Open Source Project | 
|  | * All rights reserved. | 
|  | * | 
|  | * Redistribution and use in source and binary forms, with or without | 
|  | * modification, are permitted provided that the following conditions | 
|  | * are met: | 
|  | *  * Redistributions of source code must retain the above copyright | 
|  | *    notice, this list of conditions and the following disclaimer. | 
|  | *  * Redistributions in binary form must reproduce the above copyright | 
|  | *    notice, this list of conditions and the following disclaimer in | 
|  | *    the documentation and/or other materials provided with the | 
|  | *    distribution. | 
|  | * | 
|  | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 
|  | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 
|  | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | 
|  | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | 
|  | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | 
|  | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | 
|  | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS | 
|  | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | 
|  | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | 
|  | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | 
|  | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | 
|  | * SUCH DAMAGE. | 
|  | */ | 
|  |  | 
|  | #include <limits.h> | 
|  |  | 
|  | #include "header_checks.h" | 
|  |  | 
|  | static void limits_h() { | 
|  | // These are only defined if they're constants. | 
|  | #if !defined(__BIONIC__) && !defined(__GLIBC__) | 
|  | MACRO(AIO_LISTIO_MAX); | 
|  | MACRO(AIO_MAX); | 
|  | #endif | 
|  | #if !defined(__BIONIC__) | 
|  | MACRO(AIO_PRIO_DELTA_MAX); | 
|  | #endif | 
|  | #if !defined(__BIONIC__) && !defined(__GLIBC__) | 
|  | MACRO(ARG_MAX); | 
|  | MACRO(ATEXIT_MAX); | 
|  | MACRO(CHILD_MAX); | 
|  | #endif | 
|  | #if !defined(__BIONIC__) | 
|  | MACRO(DELAYTIMER_MAX); | 
|  | #endif | 
|  | MACRO(HOST_NAME_MAX); | 
|  | MACRO(IOV_MAX); | 
|  | MACRO(LOGIN_NAME_MAX); | 
|  | #if !defined(__BIONIC__) && !defined(__GLIBC__) | 
|  | MACRO(MQ_OPEN_MAX); | 
|  | #endif | 
|  | #if !defined(__BIONIC__) | 
|  | MACRO(MQ_PRIO_MAX); | 
|  | #endif | 
|  | #if !defined(__BIONIC__) && !defined(__GLIBC__) | 
|  | MACRO(OPEN_MAX); | 
|  | MACRO(PAGESIZE); | 
|  | MACRO(PAGE_SIZE); | 
|  | #endif | 
|  | MACRO(PTHREAD_DESTRUCTOR_ITERATIONS); | 
|  | MACRO(PTHREAD_KEYS_MAX); | 
|  | #if !defined(__BIONIC__) | 
|  | MACRO(PTHREAD_STACK_MIN); | 
|  | #endif | 
|  | #if !defined(__BIONIC__) && !defined(__GLIBC__) | 
|  | MACRO(PTHREAD_THREADS_MAX); | 
|  | #endif | 
|  | MACRO(RTSIG_MAX); | 
|  | #if !defined(__BIONIC__) && !defined(__GLIBC__) | 
|  | MACRO(SEM_NSEMS_MAX); | 
|  | #endif | 
|  | MACRO(SEM_VALUE_MAX); | 
|  | #if !defined(__BIONIC__) && !defined(__GLIBC__) | 
|  | MACRO(SIGQUEUE_MAX); | 
|  | MACRO(SS_REPL_MAX); | 
|  | MACRO(STREAM_MAX); | 
|  | MACRO(SYMLOOP_MAX); | 
|  | MACRO(TIMER_MAX); | 
|  | #endif | 
|  | #if !defined(__BIONIC__) | 
|  | MACRO(TTY_NAME_MAX); | 
|  | #endif | 
|  | #if !defined(__BIONIC__) && !defined(__GLIBC__) | 
|  | MACRO(TZNAME_MAX); | 
|  | #endif | 
|  |  | 
|  | #if !defined(__BIONIC__) && !defined(__GLIBC__) | 
|  | MACRO(FILESIZEBITS); | 
|  | MACRO(LINK_MAX); | 
|  | #endif | 
|  | MACRO(MAX_CANON); | 
|  | MACRO(MAX_INPUT); | 
|  | MACRO(NAME_MAX); | 
|  | MACRO(PATH_MAX); | 
|  | MACRO(PIPE_BUF); | 
|  | #if 0 // No libc has these. | 
|  | MACRO(POSIX_ALLOC_SIZE_MIN); | 
|  | MACRO(POSIX_REC_INCR_XFER_SIZE); | 
|  | MACRO(POSIX_REC_MAX_XFER_SIZE); | 
|  | MACRO(POSIX_REC_MIN_XFER_SIZE); | 
|  | MACRO(POSIX_REC_XFER_ALIGN); | 
|  | #endif | 
|  | #if !defined(__BIONIC__) && !defined(__GLIBC__) | 
|  | MACRO(SYMLINK_MAX); | 
|  | #endif | 
|  |  | 
|  | #if !defined(__BIONIC__) | 
|  | MACRO(BC_BASE_MAX); | 
|  | MACRO(BC_DIM_MAX); | 
|  | MACRO(BC_SCALE_MAX); | 
|  | MACRO(BC_STRING_MAX); | 
|  | MACRO(CHARCLASS_NAME_MAX); | 
|  | MACRO(COLL_WEIGHTS_MAX); | 
|  | MACRO(EXPR_NEST_MAX); | 
|  | MACRO(LINE_MAX); | 
|  | MACRO(NGROUPS_MAX); | 
|  | MACRO(RE_DUP_MAX); | 
|  | #endif | 
|  |  | 
|  | MACRO_VALUE(_POSIX_CLOCKRES_MIN, 20000000); | 
|  |  | 
|  | MACRO_VALUE(_POSIX_AIO_LISTIO_MAX, 2); | 
|  | MACRO_VALUE(_POSIX_AIO_MAX, 1); | 
|  | MACRO_VALUE(_POSIX_ARG_MAX, 4096); | 
|  | MACRO_VALUE(_POSIX_CHILD_MAX, 25); | 
|  | MACRO_VALUE(_POSIX_DELAYTIMER_MAX, 32); | 
|  | MACRO_VALUE(_POSIX_HOST_NAME_MAX, 255); | 
|  | MACRO_VALUE(_POSIX_LINK_MAX, 8); | 
|  | MACRO_VALUE(_POSIX_LOGIN_NAME_MAX, 9); | 
|  | MACRO_VALUE(_POSIX_MAX_CANON, 255); | 
|  | MACRO_VALUE(_POSIX_MAX_INPUT, 255); | 
|  | MACRO_VALUE(_POSIX_MQ_OPEN_MAX, 8); | 
|  | MACRO_VALUE(_POSIX_MQ_PRIO_MAX, 32); | 
|  | MACRO_VALUE(_POSIX_NAME_MAX, 14); | 
|  | MACRO_VALUE(_POSIX_NGROUPS_MAX, 8); | 
|  | MACRO_VALUE(_POSIX_OPEN_MAX, 20); | 
|  | MACRO_VALUE(_POSIX_PATH_MAX, 256); | 
|  | MACRO_VALUE(_POSIX_PIPE_BUF, 512); | 
|  | MACRO_VALUE(_POSIX_RE_DUP_MAX, 255); | 
|  | MACRO_VALUE(_POSIX_RTSIG_MAX, 8); | 
|  | MACRO_VALUE(_POSIX_SEM_NSEMS_MAX, 256); | 
|  | MACRO_VALUE(_POSIX_SEM_VALUE_MAX, 32767); | 
|  | MACRO_VALUE(_POSIX_SIGQUEUE_MAX, 32); | 
|  | MACRO_VALUE(_POSIX_SSIZE_MAX, 32767); | 
|  | #if !defined(__GLIBC__) | 
|  | MACRO_VALUE(_POSIX_SS_REPL_MAX, 4); | 
|  | #endif | 
|  | MACRO_VALUE(_POSIX_STREAM_MAX, 8); | 
|  | MACRO_VALUE(_POSIX_SYMLINK_MAX, 255); | 
|  | MACRO_VALUE(_POSIX_SYMLOOP_MAX, 8); | 
|  | MACRO_VALUE(_POSIX_THREAD_DESTRUCTOR_ITERATIONS, 4); | 
|  | MACRO_VALUE(_POSIX_THREAD_KEYS_MAX, 128); | 
|  | MACRO_VALUE(_POSIX_THREAD_THREADS_MAX, 64); | 
|  | MACRO_VALUE(_POSIX_TIMER_MAX, 32); | 
|  | #if !defined(__GLIBC__) | 
|  | MACRO_VALUE(_POSIX_TRACE_EVENT_NAME_MAX, 30); | 
|  | MACRO_VALUE(_POSIX_TRACE_NAME_MAX, 8); | 
|  | MACRO_VALUE(_POSIX_TRACE_SYS_MAX, 8); | 
|  | MACRO_VALUE(_POSIX_TRACE_USER_EVENT_MAX, 32); | 
|  | #endif | 
|  | MACRO_VALUE(_POSIX_TTY_NAME_MAX, 9); | 
|  | MACRO_VALUE(_POSIX_TZNAME_MAX, 6); | 
|  | MACRO_VALUE(_POSIX2_BC_BASE_MAX, 99); | 
|  | MACRO_VALUE(_POSIX2_BC_DIM_MAX, 2048); | 
|  | MACRO_VALUE(_POSIX2_BC_SCALE_MAX, 99); | 
|  | MACRO_VALUE(_POSIX2_BC_STRING_MAX, 1000); | 
|  | MACRO_VALUE(_POSIX2_CHARCLASS_NAME_MAX, 14); | 
|  | MACRO_VALUE(_POSIX2_COLL_WEIGHTS_MAX, 2); | 
|  | MACRO_VALUE(_POSIX2_EXPR_NEST_MAX, 32); | 
|  | MACRO_VALUE(_POSIX2_LINE_MAX, 2048); | 
|  | MACRO_VALUE(_POSIX2_RE_DUP_MAX, 255); | 
|  | #if !defined(__GLIBC__) | 
|  | MACRO_VALUE(_XOPEN_IOV_MAX, 16); | 
|  | MACRO_VALUE(_XOPEN_NAME_MAX, 255); | 
|  | MACRO_VALUE(_XOPEN_PATH_MAX, 1024); | 
|  | #endif | 
|  |  | 
|  | MACRO_VALUE(CHAR_BIT, 8); | 
|  | MACRO(CHAR_MAX); | 
|  | MACRO(CHAR_MIN); | 
|  | MACRO(INT_MAX); | 
|  | MACRO(INT_MIN); | 
|  | MACRO(LLONG_MAX); | 
|  | MACRO(LLONG_MIN); | 
|  | MACRO(LONG_BIT); | 
|  | MACRO(LONG_MAX); | 
|  | MACRO(LONG_MIN); | 
|  | MACRO(MB_LEN_MAX); | 
|  | MACRO_VALUE(SCHAR_MAX, 127); | 
|  | MACRO_VALUE(SCHAR_MIN, -128); | 
|  | MACRO(SHRT_MAX); | 
|  | MACRO(SHRT_MIN); | 
|  | MACRO(SSIZE_MAX); | 
|  | MACRO_VALUE(UCHAR_MAX, 255); | 
|  | MACRO(UINT_MAX); | 
|  | MACRO(ULLONG_MAX); | 
|  | MACRO(ULONG_MAX); | 
|  | MACRO(USHRT_MAX); | 
|  | MACRO(WORD_BIT); | 
|  |  | 
|  | MACRO(NL_ARGMAX); | 
|  | MACRO(NL_LANGMAX); | 
|  | MACRO(NL_MSGMAX); | 
|  | MACRO(NL_SETMAX); | 
|  | MACRO(NL_TEXTMAX); | 
|  | MACRO(NZERO); | 
|  | } |