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 typedef struct { 53 int quot; /* quotient */ 54 int rem; /* remainder */ 55 } div_t; 56 57 typedef struct { 58 long quot; 59 long rem; 60 } ldiv_t; 61 62 #define EXIT_FAILURE 1 63 #define EXIT_SUCCESS 0 64 65 #define RAND_MAX 0x7ffffffd 66 67 __BEGIN_DECLS 68 #ifdef _XLOCALE_H_ 69 #include <xlocale/_stdlib.h> 70 #endif 71 extern int __mb_cur_max; 72 extern int ___mb_cur_max(void); 73 #define MB_CUR_MAX (___mb_cur_max()) 74 75 _Noreturn void abort(void); 76 int abs(int) __pure2; 77 int atexit(void (*)(void)); 78 double atof(const char *); 79 int atoi(const char *); 80 long atol(const char *); 81 void *bsearch(const void *, const void *, size_t, 82 size_t, int (*)(const void *, const void *)); 83 void *calloc(size_t, size_t) __malloc_like; 84 div_t div(int, int) __pure2; 85 _Noreturn void exit(int); 86 void free(void *); 87 char *getenv(const char *); 88 long labs(long) __pure2; 89 ldiv_t ldiv(long, long) __pure2; 90 void *malloc(size_t) __malloc_like; 91 int mblen(const char *, size_t); 92 void qsort(void *, size_t, size_t, 93 int (*)(const void *, const void *)); 94 int rand(void); 95 void *realloc(void *, size_t); 96 void srand(unsigned); 97 double strtod(const char *__restrict, char **__restrict); 98 float strtof(const char *__restrict, char **__restrict); 99 long strtol(const char *__restrict, char **__restrict, int); 100 long double 101 strtold(const char *__restrict, char **__restrict); 102 unsigned long 103 strtoul(const char *__restrict, char **__restrict, int); 104 int system(const char *); 105 106 /* 107 * Functions added in C99 which we make conditionally available in the 108 * BSD^C89 namespace if the compiler supports `long long'. 109 * The #if test is more complicated than it ought to be because 110 * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long' 111 * is not supported in the compilation environment (which therefore means 112 * that it can't really be ISO C99). 113 * 114 * (The only other extension made by C99 in thie header is _Exit().) 115 */ 116 #if __ISO_C_VISIBLE >= 1999 117 #ifdef __LONG_LONG_SUPPORTED 118 /* LONGLONG */ 119 typedef struct { 120 long long quot; 121 long long rem; 122 } lldiv_t; 123 124 /* LONGLONG */ 125 long long 126 atoll(const char *); 127 /* LONGLONG */ 128 long long 129 llabs(long long) __pure2; 130 /* LONGLONG */ 131 lldiv_t lldiv(long long, long long) __pure2; 132 /* LONGLONG */ 133 long long 134 strtoll(const char *__restrict, char **__restrict, int); 135 /* LONGLONG */ 136 unsigned long long 137 strtoull(const char *__restrict, char **__restrict, int); 138 #endif /* __LONG_LONG_SUPPORTED */ 139 140 _Noreturn void _Exit(int); 141 #endif /* __ISO_C_VISIBLE >= 1999 */ 142 143 /* 144 * If we're in a mode greater than C99, expose C11 functions. 145 */ 146 #if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L 147 void *aligned_alloc(size_t, size_t) __malloc_like; 148 int at_quick_exit(void (*)(void)); 149 _Noreturn void 150 quick_exit(int); 151 #endif /* __ISO_C_VISIBLE >= 2011 */ 152 /* 153 * Extensions made by POSIX relative to C. 154 */ 155 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE 156 char *realpath(const char *__restrict, char *__restrict); 157 #endif 158 #if __POSIX_VISIBLE >= 199506 159 int rand_r(unsigned *); /* (TSF) */ 160 #endif 161 #if __POSIX_VISIBLE >= 200112 162 int posix_memalign(void **, size_t, size_t); /* (ADV) */ 163 int setenv(const char *, const char *, int); 164 int unsetenv(const char *); 165 #endif 166 167 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 168 int getsubopt(char **, char *const *, char **); 169 #ifndef _MKDTEMP_DECLARED 170 char *mkdtemp(char *); 171 #define _MKDTEMP_DECLARED 172 #endif 173 #ifndef _MKSTEMP_DECLARED 174 int mkstemp(char *); 175 #define _MKSTEMP_DECLARED 176 #endif 177 #endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 178 179 /* 180 * The only changes to the XSI namespace in revision 6 were the deletion 181 * of the ttyslot() and valloc() functions, which FreeBSD never declared 182 * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which 183 * FreeBSD also does not have, and mktemp(), are to be deleted. 184 */ 185 #if __XSI_VISIBLE 186 /* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */ 187 long a64l(const char *); 188 double drand48(void); 189 /* char *ecvt(double, int, int * __restrict, int * __restrict); */ 190 double erand48(unsigned short[3]); 191 /* char *fcvt(double, int, int * __restrict, int * __restrict); */ 192 /* char *gcvt(double, int, int * __restrict, int * __restrict); */ 193 int grantpt(int); 194 char *initstate(unsigned long /* XSI requires u_int */, char *, long); 195 long jrand48(unsigned short[3]); 196 char *l64a(long); 197 void lcong48(unsigned short[7]); 198 long lrand48(void); 199 #if !defined(_MKTEMP_DECLARED) && (__BSD_VISIBLE || __XSI_VISIBLE <= 600) 200 char *mktemp(char *); 201 #define _MKTEMP_DECLARED 202 #endif 203 long mrand48(void); 204 long nrand48(unsigned short[3]); 205 int posix_openpt(int); 206 char *ptsname(int); 207 int putenv(char *); 208 long random(void); 209 unsigned short 210 *seed48(unsigned short[3]); 211 #ifndef _SETKEY_DECLARED 212 int setkey(const char *); 213 #define _SETKEY_DECLARED 214 #endif 215 char *setstate(/* const */ char *); 216 void srand48(long); 217 void srandom(unsigned long); 218 int unlockpt(int); 219 #endif /* __XSI_VISIBLE */ 220 221 #if __BSD_VISIBLE 222 extern const char *malloc_conf; 223 extern void (*malloc_message)(void *, const char *); 224 225 /* 226 * The alloca() function can't be implemented in C, and on some 227 * platforms it can't be implemented at all as a callable function. 228 * The GNU C compiler provides a built-in alloca() which we can use; 229 * in all other cases, provide a prototype, mainly to pacify various 230 * incarnations of lint. On platforms where alloca() is not in libc, 231 * programs which use it will fail to link when compiled with non-GNU 232 * compilers. 233 */ 234 #if __GNUC__ >= 2 || defined(__INTEL_COMPILER) 235 #undef alloca /* some GNU bits try to get cute and define this on their own */ 236 #define alloca(sz) __builtin_alloca(sz) 237 #elif defined(lint) 238 void *alloca(size_t); 239 #endif 240 241 void abort2(const char *, int, void **) __dead2; 242 __uint32_t 243 arc4random(void); 244 void arc4random_addrandom(unsigned char *, int); 245 void arc4random_buf(void *, size_t); 246 void arc4random_stir(void); 247 __uint32_t 248 arc4random_uniform(__uint32_t); 249 #ifdef __BLOCKS__ 250 int atexit_b(void (^)(void)); 251 void *bsearch_b(const void *, const void *, size_t, 252 size_t, int (^)(const void *, const void *)); 253 #endif 254 char *getbsize(int *, long *); 255 /* getcap(3) functions */ 256 char *cgetcap(char *, const char *, int); 257 int cgetclose(void); 258 int cgetent(char **, char **, const char *); 259 int cgetfirst(char **, char **); 260 int cgetmatch(const char *, const char *); 261 int cgetnext(char **, char **); 262 int cgetnum(char *, const char *, long *); 263 int cgetset(const char *); 264 int cgetstr(char *, const char *, char **); 265 int cgetustr(char *, const char *, char **); 266 267 int daemon(int, int); 268 char *devname(__dev_t, __mode_t); 269 char *devname_r(__dev_t, __mode_t, char *, int); 270 char *fdevname(int); 271 char *fdevname_r(int, char *, int); 272 int getloadavg(double [], int); 273 const char * 274 getprogname(void); 275 276 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 277 #ifdef __BLOCKS__ 278 int heapsort_b(void *, size_t, size_t, int (^)(const void *, const void *)); 279 void qsort_b(void *, size_t, size_t, 280 int (^)(const void *, const void *)); 281 #endif 282 int l64a_r(long, char *, int); 283 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 284 #ifdef __BLOCKS__ 285 int mergesort_b(void *, size_t, size_t, int (^)(const void *, const void *)); 286 #endif 287 int mkostemp(char *, int); 288 int mkostemps(char *, int, int); 289 void qsort_r(void *, size_t, size_t, void *, 290 int (*)(void *, const void *, const void *)); 291 int radixsort(const unsigned char **, int, const unsigned char *, 292 unsigned); 293 void *reallocf(void *, size_t); 294 int rpmatch(const char *); 295 void setprogname(const char *); 296 int sradixsort(const unsigned char **, int, const unsigned char *, 297 unsigned); 298 void sranddev(void); 299 void srandomdev(void); 300 long long 301 strtonum(const char *, long long, long long, const char **); 302 303 /* Deprecated interfaces, to be removed in FreeBSD 6.0. */ 304 __int64_t 305 strtoq(const char *, char **, int); 306 __uint64_t 307 strtouq(const char *, char **, int); 308 309 extern char *suboptarg; /* getsubopt(3) external variable */ 310 #endif /* __BSD_VISIBLE */ 311 __END_DECLS 312 313 #endif /* !_STDLIB_H_ */ 314
