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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 | /* Copyright (C) 1996, 1997, 1999, 2001 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ /* * Never include this file directly; use <limits.h> instead. */ /* Additional definitions from X/Open Portability Guide, Issue 4, Version 2 System Interfaces and Headers, 4.16 <limits.h> Please note only the values which are not greater than the minimum stated in the standard document are listed. The `sysconf' functions should be used to obtain the actual value. */ #ifndef _XOPEN_LIM_H #define _XOPEN_LIM_H 1 #define __need_IOV_MAX #include <bits/stdio_lim.h> /* We do not provide fixed values for ARG_MAX Maximum length of argument to the `exec' function including environment data. ATEXIT_MAX Maximum number of functions that may be registered with `atexit'. CHILD_MAX Maximum number of simultaneous processes per real user ID. OPEN_MAX Maximum number of files that one process can have open at anyone time. PAGESIZE PAGE_SIZE Size of bytes of a page. PASS_MAX Maximum number of significant bytes in a password. We only provide a fixed limit for IOV_MAX Maximum number of `iovec' structures that one process has available for use with `readv' or writev'. if this is indeed fixed by the underlying system. */ /* Maximum number of `iovec' structures that one process has available for use with `readv' or writev'. */ #define _XOPEN_IOV_MAX _POSIX_UIO_MAXIOV /* Maximum value of `digit' in calls to the `printf' and `scanf' functions. Posix dictates this should be a minimum of 9 */ #if !defined(__UCLIBC_PRINTF_SCANF_POSITIONAL_ARGS__) || (__UCLIBC_PRINTF_SCANF_POSITIONAL_ARGS__ <= 1) #undef NL_ARGMAX #elif __UCLIBC_PRINTF_SCANF_POSITIONAL_ARGS__ < 9 #define NL_ARGMAX 9 #else #define NL_ARGMAX __UCLIBC_PRINTF_SCANF_POSITIONAL_ARGS__ #endif /* Maximum number of bytes in a `LANG' name. We have no limit. */ #define NL_LANGMAX _POSIX2_LINE_MAX /* Maximum message number. We have no limit. */ #define NL_MSGMAX INT_MAX /* Maximum number of bytes in N-to-1 collation mapping. We have no limit. */ #define NL_NMAX INT_MAX /* Maximum set number. We have no limit. */ #define NL_SETMAX INT_MAX /* Maximum number of bytes in a message. We have no limit. */ #define NL_TEXTMAX INT_MAX /* Default process priority. */ #define NZERO 20 /* Number of bits in a word of type `int'. */ #ifdef INT_MAX # if INT_MAX == 32767 # define WORD_BIT 16 # else # if INT_MAX == 2147483647 # define WORD_BIT 32 # else /* Safe assumption. */ # define WORD_BIT 64 # endif # endif #elif defined __INT_MAX__ # if __INT_MAX__ == 32767 # define WORD_BIT 16 # else # if __INT_MAX__ == 2147483647 # define WORD_BIT 32 # else /* Safe assumption. */ # define WORD_BIT 64 # endif # endif #else # define WORD_BIT 32 #endif /* Number of bits in a word of type `long int'. */ #ifdef LONG_MAX # if LONG_MAX == 2147483647 # define LONG_BIT 32 # else /* Safe assumption. */ # define LONG_BIT 64 # endif #elif defined __LONG_MAX__ # if __LONG_MAX__ == 2147483647 # define LONG_BIT 32 # else /* Safe assumption. */ # define LONG_BIT 64 # endif #else # include <bits/wordsize.h> # if __WORDSIZE == 64 # define LONG_BIT 64 # else # define LONG_BIT 32 # endif #endif #endif /* bits/xopen_lim.h */ |