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 (___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) __nonnull(1) __alloc_align(2) 176 __alloc_size(3); /* (ADV) */ 177 int setenv(const char *, const char *, int); 178 int unsetenv(const char *); 179 #endif 180 181 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 182 int getsubopt(char **, char *const *, char **); 183 #ifndef _MKDTEMP_DECLARED 184 char *mkdtemp(char *); 185 #define _MKDTEMP_DECLARED 186 #endif 187 #ifndef _MKSTEMP_DECLARED 188 int mkstemp(char *); 189 #define _MKSTEMP_DECLARED 190 #endif 191 #endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 192 193 /* 194 * The only changes to the XSI namespace in revision 6 were the deletion 195 * of the ttyslot() and valloc() functions, which FreeBSD never declared 196 * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which 197 * FreeBSD also does not have, and mktemp(), are to be deleted. 198 */ 199 #if __XSI_VISIBLE 200 /* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */ 201 long a64l(const char *); 202 double drand48(void); 203 /* char *ecvt(double, int, int * __restrict, int * __restrict); */ 204 double erand48(unsigned short[3]); 205 /* char *fcvt(double, int, int * __restrict, int * __restrict); */ 206 /* char *gcvt(double, int, int * __restrict, int * __restrict); */ 207 int grantpt(int); 208 char *initstate(unsigned long /* XSI requires u_int */, char *, long); 209 long jrand48(unsigned short[3]); 210 char *l64a(long); 211 void lcong48(unsigned short[7]); 212 long lrand48(void); 213 #if !defined(_MKTEMP_DECLARED) && (__BSD_VISIBLE || __XSI_VISIBLE <= 600) 214 char *mktemp(char *); 215 #define _MKTEMP_DECLARED 216 #endif 217 long mrand48(void); 218 long nrand48(unsigned short[3]); 219 int posix_openpt(int); 220 char *ptsname(int); 221 int putenv(char *); 222 long random(void); 223 unsigned short 224 *seed48(unsigned short[3]); 225 #ifndef _SETKEY_DECLARED 226 int setkey(const char *); 227 #define _SETKEY_DECLARED 228 #endif 229 char *setstate(/* const */ char *); 230 void srand48(long); 231 void srandom(unsigned long); 232 int unlockpt(int); 233 #endif /* __XSI_VISIBLE */ 234 235 #if __BSD_VISIBLE 236 extern const char *malloc_conf; 237 extern void (*malloc_message)(void *, const char *); 238 239 /* 240 * The alloca() function can't be implemented in C, and on some 241 * platforms it can't be implemented at all as a callable function. 242 * The GNU C compiler provides a built-in alloca() which we can use; 243 * in all other cases, provide a prototype, mainly to pacify various 244 * incarnations of lint. On platforms where alloca() is not in libc, 245 * programs which use it will fail to link when compiled with non-GNU 246 * compilers. 247 */ 248 #if __GNUC__ >= 2 || defined(__INTEL_COMPILER) 249 #undef alloca /* some GNU bits try to get cute and define this on their own */ 250 #define alloca(sz) __builtin_alloca(sz) 251 #elif defined(lint) 252 void *alloca(size_t); 253 #endif 254 255 void abort2(const char *, int, void **) __dead2; 256 __uint32_t 257 arc4random(void); 258 void arc4random_addrandom(unsigned char *, int); 259 void arc4random_buf(void *, size_t); 260 void arc4random_stir(void); 261 __uint32_t 262 arc4random_uniform(__uint32_t); 263 #ifdef __BLOCKS__ 264 int atexit_b(void (^)(void)); 265 void *bsearch_b(const void *, const void *, size_t, 266 size_t, int (^)(const void *, const void *)); 267 #endif 268 char *getbsize(int *, long *); 269 /* getcap(3) functions */ 270 char *cgetcap(char *, const char *, int); 271 int cgetclose(void); 272 int cgetent(char **, char **, const char *); 273 int cgetfirst(char **, char **); 274 int cgetmatch(const char *, const char *); 275 int cgetnext(char **, char **); 276 int cgetnum(char *, const char *, long *); 277 int cgetset(const char *); 278 int cgetstr(char *, const char *, char **); 279 int cgetustr(char *, const char *, char **); 280 281 int daemon(int, int); 282 char *devname(__dev_t, __mode_t); 283 char *devname_r(__dev_t, __mode_t, char *, int); 284 char *fdevname(int); 285 char *fdevname_r(int, char *, int); 286 int getloadavg(double [], int); 287 const char * 288 getprogname(void); 289 290 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 291 #ifdef __BLOCKS__ 292 int heapsort_b(void *, size_t, size_t, int (^)(const void *, const void *)); 293 void qsort_b(void *, size_t, size_t, 294 int (^)(const void *, const void *)); 295 #endif 296 int l64a_r(long, char *, int); 297 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 298 #ifdef __BLOCKS__ 299 int mergesort_b(void *, size_t, size_t, int (^)(const void *, const void *)); 300 #endif 301 int mkostemp(char *, int); 302 int mkostemps(char *, int, int); 303 void qsort_r(void *, size_t, size_t, void *, 304 int (*)(void *, const void *, const void *)); 305 int radixsort(const unsigned char **, int, const unsigned char *, 306 unsigned); 307 void *reallocarray(void *, size_t, size_t) __result_use_check __alloc_size(2) 308 __alloc_size(3); 309 void *reallocf(void *, size_t) __alloc_size(2); 310 int rpmatch(const char *); 311 void setprogname(const char *); 312 int sradixsort(const unsigned char **, int, const unsigned char *, 313 unsigned); 314 void sranddev(void); 315 void srandomdev(void); 316 long long 317 strtonum(const char *, long long, long long, const char **); 318 319 /* Deprecated interfaces, to be removed in FreeBSD 6.0. */ 320 __int64_t 321 strtoq(const char *, char **, int); 322 __uint64_t 323 strtouq(const char *, char **, int); 324 325 extern char *suboptarg; /* getsubopt(3) external variable */ 326 #endif /* __BSD_VISIBLE */ 327 __END_DECLS 328 329 #endif /* !_STDLIB_H_ */ 330