1 /*- 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)stdlib.h 8.5 (Berkeley) 5/19/95 30 * $FreeBSD$ 31 */ 32 33 #ifndef _STDLIB_H_ 34 #define _STDLIB_H_ 35 36 #include <sys/cdefs.h> 37 #include <sys/_null.h> 38 #include <sys/_types.h> 39 40 #if __BSD_VISIBLE 41 #ifndef _RUNE_T_DECLARED 42 typedef __rune_t rune_t; 43 #define _RUNE_T_DECLARED 44 #endif 45 #endif 46 47 #ifndef _SIZE_T_DECLARED 48 typedef __size_t size_t; 49 #define _SIZE_T_DECLARED 50 #endif 51 52 #ifndef __cplusplus 53 #ifndef _WCHAR_T_DECLARED 54 typedef ___wchar_t wchar_t; 55 #define _WCHAR_T_DECLARED 56 #endif 57 #endif 58 59 typedef struct { 60 int quot; /* quotient */ 61 int rem; /* remainder */ 62 } div_t; 63 64 typedef struct { 65 long quot; 66 long rem; 67 } ldiv_t; 68 69 #define EXIT_FAILURE 1 70 #define EXIT_SUCCESS 0 71 72 #define RAND_MAX 0x7ffffffd 73 74 __BEGIN_DECLS 75 #ifdef _XLOCALE_H_ 76 #include <xlocale/_stdlib.h> 77 #endif 78 extern int __mb_cur_max; 79 extern int ___mb_cur_max(void); 80 #define MB_CUR_MAX ((size_t)___mb_cur_max()) 81 82 _Noreturn void abort(void); 83 int abs(int) __pure2; 84 int atexit(void (*)(void)); 85 double atof(const char *); 86 int atoi(const char *); 87 long atol(const char *); 88 void *bsearch(const void *, const void *, size_t, 89 size_t, int (*)(const void *, const void *)); 90 void *calloc(size_t, size_t) __malloc_like __result_use_check 91 __alloc_size(1) __alloc_size(2); 92 div_t div(int, int) __pure2; 93 _Noreturn void exit(int); 94 void free(void *); 95 char *getenv(const char *); 96 long labs(long) __pure2; 97 ldiv_t ldiv(long, long) __pure2; 98 void *malloc(size_t) __malloc_like __result_use_check __alloc_size(1); 99 int mblen(const char *, size_t); 100 size_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t); 101 int mbtowc(wchar_t * __restrict, const char * __restrict, size_t); 102 void qsort(void *, size_t, size_t, 103 int (*)(const void *, const void *)); 104 int rand(void); 105 void *realloc(void *, size_t) __result_use_check __alloc_size(2); 106 void srand(unsigned); 107 double strtod(const char * __restrict, char ** __restrict); 108 float strtof(const char * __restrict, char ** __restrict); 109 long strtol(const char * __restrict, char ** __restrict, int); 110 long double 111 strtold(const char * __restrict, char ** __restrict); 112 unsigned long 113 strtoul(const char * __restrict, char ** __restrict, int); 114 int system(const char *); 115 int wctomb(char *, wchar_t); 116 size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t); 117 118 /* 119 * Functions added in C99 which we make conditionally available in the 120 * BSD^C89 namespace if the compiler supports `long long'. 121 * The #if test is more complicated than it ought to be because 122 * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long' 123 * is not supported in the compilation environment (which therefore means 124 * that it can't really be ISO C99). 125 * 126 * (The only other extension made by C99 in thie header is _Exit().) 127 */ 128 #if __ISO_C_VISIBLE >= 1999 || defined(__cplusplus) 129 #ifdef __LONG_LONG_SUPPORTED 130 /* LONGLONG */ 131 typedef struct { 132 long long quot; 133 long long rem; 134 } lldiv_t; 135 136 /* LONGLONG */ 137 long long 138 atoll(const char *); 139 /* LONGLONG */ 140 long long 141 llabs(long long) __pure2; 142 /* LONGLONG */ 143 lldiv_t lldiv(long long, long long) __pure2; 144 /* LONGLONG */ 145 long long 146 strtoll(const char * __restrict, char ** __restrict, int); 147 /* LONGLONG */ 148 unsigned long long 149 strtoull(const char * __restrict, char ** __restrict, int); 150 #endif /* __LONG_LONG_SUPPORTED */ 151 152 _Noreturn void _Exit(int); 153 #endif /* __ISO_C_VISIBLE >= 1999 */ 154 155 /* 156 * If we're in a mode greater than C99, expose C11 functions. 157 */ 158 #if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L 159 void * aligned_alloc(size_t, size_t) __malloc_like __alloc_align(1) 160 __alloc_size(2); 161 int at_quick_exit(void (*)(void)); 162 _Noreturn void 163 quick_exit(int); 164 #endif /* __ISO_C_VISIBLE >= 2011 */ 165 /* 166 * Extensions made by POSIX relative to C. 167 */ 168 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE 169 char *realpath(const char * __restrict, char * __restrict); 170 #endif 171 #if __POSIX_VISIBLE >= 199506 172 int rand_r(unsigned *); /* (TSF) */ 173 #endif 174 #if __POSIX_VISIBLE >= 200112 175 int posix_memalign(void **, size_t, size_t); /* (ADV) */ 176 int setenv(const char *, const char *, int); 177 int unsetenv(const char *); 178 #endif 179 180 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 181 int getsubopt(char **, char *const *, char **); 182 #ifndef _MKDTEMP_DECLARED 183 char *mkdtemp(char *); 184 #define _MKDTEMP_DECLARED 185 #endif 186 #ifndef _MKSTEMP_DECLARED 187 int mkstemp(char *); 188 #define _MKSTEMP_DECLARED 189 #endif 190 #endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 191 192 /* 193 * The only changes to the XSI namespace in revision 6 were the deletion 194 * of the ttyslot() and valloc() functions, which FreeBSD never declared 195 * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which 196 * FreeBSD also does not have, and mktemp(), are to be deleted. 197 */ 198 #if __XSI_VISIBLE 199 /* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */ 200 long a64l(const char *); 201 double drand48(void); 202 /* char *ecvt(double, int, int * __restrict, int * __restrict); */ 203 double erand48(unsigned short[3]); 204 /* char *fcvt(double, int, int * __restrict, int * __restrict); */ 205 /* char *gcvt(double, int, int * __restrict, int * __restrict); */ 206 int grantpt(int); 207 char *initstate(unsigned int, char *, size_t); 208 long jrand48(unsigned short[3]); 209 char *l64a(long); 210 void lcong48(unsigned short[7]); 211 long lrand48(void); 212 #if !defined(_MKTEMP_DECLARED) && (__BSD_VISIBLE || __XSI_VISIBLE <= 600) 213 char *mktemp(char *); 214 #define _MKTEMP_DECLARED 215 #endif 216 long mrand48(void); 217 long nrand48(unsigned short[3]); 218 int posix_openpt(int); 219 char *ptsname(int); 220 int putenv(char *); 221 long random(void); 222 unsigned short 223 *seed48(unsigned short[3]); 224 char *setstate(/* const */ char *); 225 void srand48(long); 226 void srandom(unsigned int); 227 int unlockpt(int); 228 #endif /* __XSI_VISIBLE */ 229 230 #if __BSD_VISIBLE 231 extern const char *malloc_conf; 232 extern void (*malloc_message)(void *, const char *); 233 234 /* 235 * The alloca() function can't be implemented in C, and on some 236 * platforms it can't be implemented at all as a callable function. 237 * The GNU C compiler provides a built-in alloca() which we can use; 238 * in all other cases, provide a prototype, mainly to pacify various 239 * incarnations of lint. On platforms where alloca() is not in libc, 240 * programs which use it will fail to link when compiled with non-GNU 241 * compilers. 242 */ 243 #if __GNUC__ >= 2 || defined(__INTEL_COMPILER) 244 #undef alloca /* some GNU bits try to get cute and define this on their own */ 245 #define alloca(sz) __builtin_alloca(sz) 246 #elif defined(lint) 247 void *alloca(size_t); 248 #endif 249 250 void abort2(const char *, int, void **) __dead2; 251 __uint32_t 252 arc4random(void); 253 void arc4random_addrandom(unsigned char *, int); 254 void arc4random_buf(void *, size_t); 255 void arc4random_stir(void); 256 __uint32_t 257 arc4random_uniform(__uint32_t); 258 #ifdef __BLOCKS__ 259 int atexit_b(void (^)(void)); 260 void *bsearch_b(const void *, const void *, size_t, 261 size_t, int (^)(const void *, const void *)); 262 #endif 263 char *getbsize(int *, long *); 264 /* getcap(3) functions */ 265 char *cgetcap(char *, const char *, int); 266 int cgetclose(void); 267 int cgetent(char **, char **, const char *); 268 int cgetfirst(char **, char **); 269 int cgetmatch(const char *, const char *); 270 int cgetnext(char **, char **); 271 int cgetnum(char *, const char *, long *); 272 int cgetset(const char *); 273 int cgetstr(char *, const char *, char **); 274 int cgetustr(char *, const char *, char **); 275 276 int daemon(int, int); 277 char *devname(__dev_t, __mode_t); 278 char *devname_r(__dev_t, __mode_t, char *, int); 279 char *fdevname(int); 280 char *fdevname_r(int, char *, int); 281 int getloadavg(double [], int); 282 const char * 283 getprogname(void); 284 285 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 286 #ifdef __BLOCKS__ 287 int heapsort_b(void *, size_t, size_t, int (^)(const void *, const void *)); 288 void qsort_b(void *, size_t, size_t, 289 int (^)(const void *, const void *)); 290 #endif 291 int l64a_r(long, char *, int); 292 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 293 #ifdef __BLOCKS__ 294 int mergesort_b(void *, size_t, size_t, int (^)(const void *, const void *)); 295 #endif 296 int mkostemp(char *, int); 297 int mkostemps(char *, int, int); 298 void qsort_r(void *, size_t, size_t, void *, 299 int (*)(void *, const void *, const void *)); 300 int radixsort(const unsigned char **, int, const unsigned char *, 301 unsigned); 302 void *reallocarray(void *, size_t, size_t) __result_use_check __alloc_size(2) 303 __alloc_size(3); 304 void *reallocf(void *, size_t) __alloc_size(2); 305 int rpmatch(const char *); 306 void setprogname(const char *); 307 int sradixsort(const unsigned char **, int, const unsigned char *, 308 unsigned); 309 void sranddev(void); 310 void srandomdev(void); 311 long long 312 strtonum(const char *, long long, long long, const char **); 313 314 /* Deprecated interfaces, to be removed in FreeBSD 6.0. */ 315 __int64_t 316 strtoq(const char *, char **, int); 317 __uint64_t 318 strtouq(const char *, char **, int); 319 320 extern char *suboptarg; /* getsubopt(3) external variable */ 321 #endif /* __BSD_VISIBLE */ 322 __END_DECLS 323 324 #endif /* !_STDLIB_H_ */ 325