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 0x7fffffff 73 74 __BEGIN_DECLS 75 extern int __mb_cur_max; 76 extern int ___mb_cur_max(void); 77 #define MB_CUR_MAX (___mb_cur_max()) 78 79 void abort(void) __dead2; 80 int abs(int) __pure2; 81 int atexit(void (*)(void)); 82 double atof(const char *); 83 int atoi(const char *); 84 long atol(const char *); 85 void *bsearch(const void *, const void *, size_t, 86 size_t, int (*)(const void *, const void *)); 87 void *calloc(size_t, size_t) __malloc_like; 88 div_t div(int, int) __pure2; 89 void exit(int) __dead2; 90 void free(void *); 91 char *getenv(const char *); 92 long labs(long) __pure2; 93 ldiv_t ldiv(long, long) __pure2; 94 void *malloc(size_t) __malloc_like; 95 int mblen(const char *, size_t); 96 size_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t); 97 int mbtowc(wchar_t * __restrict, const char * __restrict, size_t); 98 void qsort(void *, size_t, size_t, 99 int (*)(const void *, const void *)); 100 int rand(void); 101 void *realloc(void *, size_t); 102 void srand(unsigned); 103 double strtod(const char * __restrict, char ** __restrict); 104 float strtof(const char * __restrict, char ** __restrict); 105 long strtol(const char * __restrict, char ** __restrict, int); 106 long double 107 strtold(const char * __restrict, char ** __restrict); 108 unsigned long 109 strtoul(const char * __restrict, char ** __restrict, int); 110 int system(const char *); 111 int wctomb(char *, wchar_t); 112 size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t); 113 114 /* 115 * Functions added in C99 which we make conditionally available in the 116 * BSD^C89 namespace if the compiler supports `long long'. 117 * The #if test is more complicated than it ought to be because 118 * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long' 119 * is not supported in the compilation environment (which therefore means 120 * that it can't really be ISO C99). 121 * 122 * (The only other extension made by C99 in thie header is _Exit().) 123 */ 124 #if __ISO_C_VISIBLE >= 1999 125 #ifdef __LONG_LONG_SUPPORTED 126 /* LONGLONG */ 127 typedef struct { 128 long long quot; 129 long long rem; 130 } lldiv_t; 131 132 /* LONGLONG */ 133 long long 134 atoll(const char *); 135 /* LONGLONG */ 136 long long 137 llabs(long long) __pure2; 138 /* LONGLONG */ 139 lldiv_t lldiv(long long, long long) __pure2; 140 /* LONGLONG */ 141 long long 142 strtoll(const char * __restrict, char ** __restrict, int); 143 /* LONGLONG */ 144 unsigned long long 145 strtoull(const char * __restrict, char ** __restrict, int); 146 #endif /* __LONG_LONG_SUPPORTED */ 147 148 void _Exit(int) __dead2; 149 #endif /* __ISO_C_VISIBLE >= 1999 */ 150 151 /* 152 * Extensions made by POSIX relative to C. We don't know yet which edition 153 * of POSIX made these extensions, so assume they've always been there until 154 * research can be done. 155 */ 156 #if __POSIX_VISIBLE /* >= ??? */ 157 int posix_memalign(void **, size_t, size_t); /* (ADV) */ 158 int rand_r(unsigned *); /* (TSF) */ 159 char *realpath(const char * __restrict, char * __restrict); 160 int setenv(const char *, const char *, int); 161 int unsetenv(const char *); 162 #endif 163 164 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 165 int getsubopt(char **, char *const *, char **); 166 #ifndef _MKDTEMP_DECLARED 167 char *mkdtemp(char *); 168 #define _MKDTEMP_DECLARED 169 #endif 170 #ifndef _MKSTEMP_DECLARED 171 int mkstemp(char *); 172 #define _MKSTEMP_DECLARED 173 #endif 174 #endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 175 176 /* 177 * The only changes to the XSI namespace in revision 6 were the deletion 178 * of the ttyslot() and valloc() functions, which FreeBSD never declared 179 * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which 180 * FreeBSD also does not have, and mktemp(), are to be deleted. 181 */ 182 #if __XSI_VISIBLE 183 /* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */ 184 long a64l(const char *); 185 double drand48(void); 186 /* char *ecvt(double, int, int * __restrict, int * __restrict); */ 187 double erand48(unsigned short[3]); 188 /* char *fcvt(double, int, int * __restrict, int * __restrict); */ 189 /* char *gcvt(double, int, int * __restrict, int * __restrict); */ 190 int grantpt(int); 191 char *initstate(unsigned long /* XSI requires u_int */, char *, long); 192 long jrand48(unsigned short[3]); 193 char *l64a(long); 194 void lcong48(unsigned short[7]); 195 long lrand48(void); 196 #if !defined(_MKTEMP_DECLARED) && (__BSD_VISIBLE || __XSI_VISIBLE <= 600) 197 char *mktemp(char *); 198 #define _MKTEMP_DECLARED 199 #endif 200 long mrand48(void); 201 long nrand48(unsigned short[3]); 202 int posix_openpt(int); 203 char *ptsname(int); 204 int putenv(char *); 205 long random(void); 206 unsigned short 207 *seed48(unsigned short[3]); 208 #ifndef _SETKEY_DECLARED 209 int setkey(const char *); 210 #define _SETKEY_DECLARED 211 #endif 212 char *setstate(/* const */ char *); 213 void srand48(long); 214 void srandom(unsigned long); 215 int unlockpt(int); 216 #endif /* __XSI_VISIBLE */ 217 218 #if __BSD_VISIBLE 219 extern const char *_malloc_options; 220 extern void (*_malloc_message)(const char *, const char *, const char *, 221 const char *); 222 223 /* 224 * The alloca() function can't be implemented in C, and on some 225 * platforms it can't be implemented at all as a callable function. 226 * The GNU C compiler provides a built-in alloca() which we can use; 227 * in all other cases, provide a prototype, mainly to pacify various 228 * incarnations of lint. On platforms where alloca() is not in libc, 229 * programs which use it will fail to link when compiled with non-GNU 230 * compilers. 231 */ 232 #if __GNUC__ >= 2 || defined(__INTEL_COMPILER) 233 #undef alloca /* some GNU bits try to get cute and define this on their own */ 234 #define alloca(sz) __builtin_alloca(sz) 235 #elif defined(lint) 236 void *alloca(size_t); 237 #endif 238 239 void abort2(const char *, int, void **) __dead2; 240 __uint32_t 241 arc4random(void); 242 void arc4random_addrandom(unsigned char *, int); 243 void arc4random_buf(void *, size_t); 244 void arc4random_stir(void); 245 __uint32_t 246 arc4random_uniform(__uint32_t); 247 char *getbsize(int *, long *); 248 /* getcap(3) functions */ 249 char *cgetcap(char *, const char *, int); 250 int cgetclose(void); 251 int cgetent(char **, char **, const char *); 252 int cgetfirst(char **, char **); 253 int cgetmatch(const char *, const char *); 254 int cgetnext(char **, char **); 255 int cgetnum(char *, const char *, long *); 256 int cgetset(const char *); 257 int cgetstr(char *, const char *, char **); 258 int cgetustr(char *, const char *, char **); 259 260 int daemon(int, int); 261 char *devname(__dev_t, __mode_t); 262 char *devname_r(__dev_t, __mode_t, char *, int); 263 char *fdevname(int); 264 char *fdevname_r(int, char *, int); 265 int getloadavg(double [], int); 266 __const char * 267 getprogname(void); 268 269 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 270 int l64a_r(long, char *, int); 271 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 272 void qsort_r(void *, size_t, size_t, void *, 273 int (*)(void *, const void *, const void *)); 274 int radixsort(const unsigned char **, int, const unsigned char *, 275 unsigned); 276 void *reallocf(void *, size_t); 277 int rpmatch(const char *); 278 void setprogname(const char *); 279 int sradixsort(const unsigned char **, int, const unsigned char *, 280 unsigned); 281 void sranddev(void); 282 void srandomdev(void); 283 long long 284 strtonum(const char *, long long, long long, const char **); 285 286 /* Deprecated interfaces, to be removed in FreeBSD 6.0. */ 287 __int64_t 288 strtoq(const char *, char **, int); 289 __uint64_t 290 strtouq(const char *, char **, int); 291 292 extern char *suboptarg; /* getsubopt(3) external variable */ 293 #endif /* __BSD_VISIBLE */ 294 __END_DECLS 295 296 #endif /* !_STDLIB_H_ */ 297