| 1 | /*
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| 2 | * Copyright (c) 2011 Petr Koupy
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| 3 | * Copyright (c) 2011 Jiri Zarevucky
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| 4 | * All rights reserved.
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| 5 | *
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| 6 | * Redistribution and use in source and binary forms, with or without
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| 7 | * modification, are permitted provided that the following conditions
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| 8 | * are met:
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| 9 | *
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| 10 | * - Redistributions of source code must retain the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer.
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| 12 | * - Redistributions in binary form must reproduce the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer in the
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| 14 | * documentation and/or other materials provided with the distribution.
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| 15 | * - The name of the author may not be used to endorse or promote products
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| 16 | * derived from this software without specific prior written permission.
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| 17 | *
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 28 | */
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| 29 |
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| 30 | /** @addtogroup libposix
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| 31 | * @{
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| 32 | */
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| 33 | /** @file Standard library definitions.
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| 34 | */
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| 35 |
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| 36 | #ifndef POSIX_STDLIB_H_
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| 37 | #define POSIX_STDLIB_H_
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| 38 |
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| 39 | #include "libc/stdlib.h"
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| 40 |
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| 41 | #ifndef NULL
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| 42 | #define NULL ((void *) 0)
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| 43 | #endif
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| 44 |
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| 45 | /* Process Termination */
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| 46 | #undef EXIT_FAILURE
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| 47 | #define EXIT_FAILURE 1
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| 48 | #undef EXIT_SUCCESS
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| 49 | #define EXIT_SUCCESS 0
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| 50 | #define _Exit exit
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| 51 | extern int posix_atexit(void (*func)(void));
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| 52 |
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| 53 | /* Absolute Value */
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| 54 | extern int posix_abs(int i);
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| 55 | extern long posix_labs(long i);
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| 56 | extern long long posix_llabs(long long i);
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| 57 |
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| 58 | /* Integer Division */
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| 59 |
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| 60 | typedef struct {
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| 61 | int quot, rem;
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| 62 | } posix_div_t;
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| 63 |
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| 64 | typedef struct {
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| 65 | long quot, rem;
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| 66 | } posix_ldiv_t;
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| 67 |
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| 68 | typedef struct {
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| 69 | long long quot, rem;
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| 70 | } posix_lldiv_t;
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| 71 |
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| 72 | extern posix_div_t posix_div(int numer, int denom);
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| 73 | extern posix_ldiv_t posix_ldiv(long numer, long denom);
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| 74 | extern posix_lldiv_t posix_lldiv(long long numer, long long denom);
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| 75 |
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| 76 | /* Array Functions */
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| 77 | extern void posix_qsort(void *array, size_t count, size_t size,
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| 78 | int (*compare)(const void *, const void *));
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| 79 | extern void *posix_bsearch(const void *key, const void *base,
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| 80 | size_t nmemb, size_t size, int (*compar)(const void *, const void *));
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| 81 |
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| 82 | /* Environment Access */
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| 83 | extern char *posix_getenv(const char *name);
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| 84 | extern int posix_putenv(char *string);
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| 85 | extern int posix_system(const char *string);
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| 86 |
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| 87 | /* Symbolic Links */
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| 88 | extern char *posix_realpath(const char *restrict name, char *restrict resolved);
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| 89 |
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| 90 | /* Floating Point Conversion */
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| 91 | extern double posix_atof(const char *nptr);
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| 92 | extern float posix_strtof(const char *restrict nptr, char **restrict endptr);
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| 93 | extern double posix_strtod(const char *restrict nptr, char **restrict endptr);
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| 94 | extern long double posix_strtold(const char *restrict nptr, char **restrict endptr);
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| 95 |
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| 96 | /* Integer Conversion */
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| 97 | extern int posix_atoi(const char *nptr);
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| 98 | extern long int posix_atol(const char *nptr);
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| 99 | extern long long int posix_atoll(const char *nptr);
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| 100 | extern long int posix_strtol(const char *restrict nptr,
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| 101 | char **restrict endptr, int base);
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| 102 | extern long long int posix_strtoll(const char *restrict nptr,
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| 103 | char **restrict endptr, int base);
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| 104 | extern unsigned long int posix_strtoul(const char *restrict nptr,
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| 105 | char **restrict endptr, int base);
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| 106 | extern unsigned long long int posix_strtoull(
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| 107 | const char *restrict nptr, char **restrict endptr, int base);
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| 108 |
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| 109 | /* Memory Allocation */
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| 110 | extern void *posix_malloc(size_t size);
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| 111 | extern void *posix_calloc(size_t nelem, size_t elsize);
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| 112 | extern void *posix_realloc(void *ptr, size_t size);
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| 113 | extern void posix_free(void *ptr);
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| 114 |
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| 115 | /* Temporary Files */
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| 116 | extern int posix_mkstemp(char *tmpl);
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| 117 |
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| 118 | /* Legacy Declarations */
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| 119 | extern char *posix_mktemp(char *tmpl);
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| 120 | extern int bsd_getloadavg(double loadavg[], int nelem);
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| 121 |
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| 122 | #ifndef LIBPOSIX_INTERNAL
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| 123 | #define atexit posix_atexit
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| 124 |
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| 125 | #define abs posix_abs
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| 126 | #define labs posix_labs
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| 127 | #define llabs posix_llabs
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| 128 |
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| 129 | #define div_t posix_div_t
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| 130 | #define ldiv_t posix_ldiv_t
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| 131 | #define lldiv_t posix_lldiv_t
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| 132 | #define div posix_div
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| 133 | #define ldiv posix_ldiv
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| 134 | #define lldiv posix_lldiv
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| 135 |
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| 136 | #define qsort posix_qsort
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| 137 | #define bsearch posix_bsearch
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| 138 |
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| 139 | #define getenv posix_getenv
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| 140 | #define putenv posix_putenv
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| 141 | #define system posix_system
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| 142 |
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| 143 | #define realpath posix_realpath
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| 144 |
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| 145 | #define atof posix_atof
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| 146 | #define strtof posix_strtof
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| 147 | #define strtod posix_strtod
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| 148 | #define strtold posix_strtold
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| 149 |
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| 150 | #define atoi posix_atoi
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| 151 | #define atol posix_atol
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| 152 | #define atoll posix_atoll
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| 153 | #define strtol posix_strtol
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| 154 | #define strtoll posix_strtoll
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| 155 | #define strtoul posix_strtoul
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| 156 | #define strtoull posix_strtoull
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| 157 |
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| 158 | #define malloc posix_malloc
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| 159 | #define calloc posix_calloc
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| 160 | #define realloc posix_realloc
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| 161 | #define free posix_free
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| 162 |
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| 163 | #define mkstemp posix_mkstemp
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| 164 |
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| 165 | #define mktemp posix_mktemp
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| 166 | #define getloadavg bsd_getloadavg
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| 167 | #endif
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| 168 |
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| 169 | #endif // POSIX_STDLIB_H_
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| 170 |
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| 171 | /** @}
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| 172 | */
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