2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
29 * @(#)stdlib.h 8.5 (Berkeley) 5/19/95
30 * $FreeBSD: src/include/stdlib.h,v 1.67 2008/07/22 11:40:42 ache Exp $
36 #include <sys/cdefs.h>
37 #include <sys/_null.h>
38 #include <sys/types.h>
40 #include <machine/wchar.h> /* for ___wchar_t */
43 #ifndef _SIZE_T_DECLARED
44 typedef __size_t size_t; /* _GCC_SIZE_T OK */
45 #define _SIZE_T_DECLARED
49 #ifndef _WCHAR_T_DECLARED
50 typedef ___wchar_t wchar_t; /* _GCC_WCHAR_T OK */
51 #define _WCHAR_T_DECLARED
56 #ifndef _ERRNO_T_DECLARED
58 #define _ERRNO_T_DECLARED
63 int quot; /* quotient */
64 int rem; /* remainder */
72 #define EXIT_FAILURE 1
73 #define EXIT_SUCCESS 0
75 #define RAND_MAX 0x7fffffff
79 #include <xlocale/_stdlib.h>
81 extern int __mb_cur_max;
82 extern int ___mb_cur_max(void);
83 #define MB_CUR_MAX ((size_t)___mb_cur_max())
85 void abort(void) __dead2;
86 /* void abort2(const char *, int, void **) __dead2; */
87 #if !defined(_KERNEL_VIRTUAL)
90 int atexit(void (*)(void));
91 double atof(const char *);
92 int atoi(const char *);
93 long atol(const char *);
94 void *bsearch(const void *, const void *, size_t,
95 size_t, int (*)(const void *, const void *));
96 void *calloc(size_t, size_t) __alloc_size2(1, 2) __malloclike __heedresult;
97 div_t div(int, int) __pure2;
98 void exit(int) __dead2;
100 char *getenv(const char *);
101 #if !defined(_KERNEL_VIRTUAL)
102 long labs(long) __pure2;
104 ldiv_t ldiv(long, long) __pure2;
105 void *malloc(size_t) __malloclike __heedresult __alloc_size(1);
106 int mblen(const char *, size_t);
107 size_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t);
108 int mbtowc(wchar_t * __restrict, const char * __restrict, size_t);
109 void qsort(void *, size_t, size_t, int (*)(const void *, const void *));
111 void *realloc(void *, size_t) __heedresult __alloc_size(2);
112 void srand(unsigned);
113 double strtod(const char * __restrict, char ** __restrict);
114 float strtof(const char * __restrict, char ** __restrict);
115 #if !defined(_KERNEL_VIRTUAL)
116 long strtol(const char * __restrict, char ** __restrict, int);
119 strtold(const char * __restrict, char ** __restrict);
120 #if !defined(_KERNEL_VIRTUAL)
122 strtoul(const char * __restrict, char ** __restrict, int);
124 int system(const char *);
125 int wctomb(char *, wchar_t);
126 size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t);
129 * Functions added in C99 which we make conditionally available in the
130 * BSD^C89 namespace if the compiler supports `long long'.
131 * The #if test is more complicated than it ought to be because
132 * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long'
133 * is not supported in the compilation environment (which therefore means
134 * that it can't really be ISO C99).
136 * (The only other extension made by C99 in this header is _Exit().)
138 #if __ISO_C_VISIBLE >= 1999 || defined(__cplusplus)
139 #ifdef __LONG_LONG_SUPPORTED
151 llabs(long long) __pure2;
153 lldiv_t lldiv(long long, long long) __pure2;
156 strtoll(const char * __restrict, char ** __restrict, int);
159 strtoull(const char * __restrict, char ** __restrict, int);
160 #endif /* __LONG_LONG_SUPPORTED */
162 void _Exit(int) __dead2;
163 #endif /* __ISO_C_VISIBLE >= 1999 */
168 #if __ISO_C_VISIBLE >= 2011 || (defined(__cplusplus) && __cplusplus >= 201103L)
169 void *aligned_alloc(size_t, size_t) __malloclike __heedresult
170 __alloc_align(1) __alloc_size(2);
171 int at_quick_exit(void (*)(void)); /* extra extern case for __cplusplus? */
172 void quick_exit(int) __dead2;
173 #endif /* __ISO_C_VISIBLE >= 2011 */
176 * Extensions made by POSIX relative to C.
178 #if __POSIX_VISIBLE >= 199506
179 int rand_r(unsigned *); /* (TSF) */
181 #if __POSIX_VISIBLE >= 200112
182 int posix_memalign(void **, size_t, size_t) __nonnull(1); /* (ADV) */
183 int setenv(const char *, const char *, int);
184 int unsetenv(const char *);
187 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE
188 int getsubopt(char **, char *const *, char **);
189 #ifndef _MKDTEMP_DECLARED
190 char *mkdtemp(char *);
191 #define _MKDTEMP_DECLARED
193 #ifndef _MKSTEMP_DECLARED
195 #define _MKSTEMP_DECLARED
197 #endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */
200 * The only changes to the XSI namespace in revision 6 were the deletion
201 * of the ttyslot() and valloc() functions, which we never declared
202 * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which
203 * we also do not have, and mktemp(), are to be deleted.
206 /* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */
207 long a64l(const char *);
208 double drand48(void);
209 double erand48(unsigned short[3]);
211 #if __BSD_VISIBLE || (__XSI_VISIBLE && __XSI_VISIBLE < 700)
212 char *ecvt(double, int, int * __restrict, int * __restrict); /* LEGACY */
213 char *fcvt(double, int, int * __restrict, int * __restrict); /* LEGACY */
214 char *gcvt(double, int, int * __restrict, int * __restrict); /* LEGACY */
218 char *initstate(unsigned long /* XSI requires u_int */, char *, long);
219 long jrand48(unsigned short[3]);
221 void lcong48(unsigned short[7]);
223 #if __BSD_VISIBLE || (__XSI_VISIBLE && __XSI_VISIBLE < 700)
224 #if !defined(_MKTEMP_DECLARED)
225 char *mktemp(char *); /* LEGACY */
226 #define _MKTEMP_DECLARED
230 long nrand48(unsigned short[3]);
231 int posix_openpt(int);
235 char *realpath(const char * __restrict, char * __restrict);
237 *seed48(unsigned short[3]);
238 int setkey(const char *);
239 char *setstate(/* const */ char *);
241 void srandom(unsigned long);
243 #endif /* __XSI_VISIBLE */
246 /* extern const char *_malloc_options;
247 extern void (*_malloc_message)(const char *, const char *, const char *,
251 * The alloca() function can't be implemented in C, and on some
252 * platforms it can't be implemented at all as a callable function.
253 * The GNU C compiler provides a built-in alloca() which we can use.
254 * On platforms where alloca() is not in libc, programs which use it
255 * will fail to link when compiled with non-GNU compilers.
257 #if __GNUC__ >= 2 || defined(__INTEL_COMPILER)
258 #undef alloca /* some GNU bits try to get cute and define this on their own */
259 #define alloca(sz) __builtin_alloca(sz)
264 void arc4random_addrandom(__uint8_t *, size_t);
265 void arc4random_buf(void *, size_t);
266 void arc4random_stir(void);
268 arc4random_uniform(__uint32_t);
269 char *getbsize(int *, long *);
271 /* getcap(3) functions */
272 char *cgetcap(char *, const char *, int);
274 int cgetent(char **, char **, const char *);
275 int cgetfirst(char **, char **);
276 int cgetmatch(const char *, const char *);
277 int cgetnext(char **, char **);
278 int cgetnum(char *, const char *, long *);
279 int cgetset(const char *);
280 int cgetstr(char *, const char *, char **);
281 int cgetustr(char *, const char *, char **);
283 int daemon(int, int);
284 char *devname(dev_t, mode_t);
285 char *devname_r(dev_t, mode_t, char *, size_t);
287 int fdevname_r(int, char *, size_t);
288 void freezero(void *, size_t);
289 int getloadavg(double [], int);
293 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
294 int l64a_r(long, char *, int);
295 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
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 *,
302 void *reallocarray(void *, size_t, size_t) __heedresult __alloc_size2(2, 3);
303 void *recallocarray(void *, size_t, size_t, size_t) __heedresult
305 void *reallocf(void *, size_t) __heedresult __alloc_size(2);
306 int rpmatch(const char *);
307 void setprogname(const char *);
308 int sradixsort(const unsigned char **, int, const unsigned char *,
311 void srandomdev(void);
313 strsuftoll(const char *, const char *, long long, long long);
315 strsuftollx(const char *, const char *, long long, long long, char *,
318 strtonum(const char *, long long, long long, const char **);
320 /* Deprecated interfaces. */
321 #if !defined(_KERNEL_VIRTUAL)
323 strtoq(const char *, char **, int);
325 strtouq(const char *, char **, int);
328 extern char *suboptarg; /* getsubopt(3) external variable */
329 #endif /* __BSD_VISIBLE */
333 typedef void (*constraint_handler_t)(const char * __restrict,
334 void * __restrict, errno_t);
336 constraint_handler_t set_constraint_handler_s(constraint_handler_t handler);
338 _Noreturn void abort_handler_s(const char * __restrict, void * __restrict,
341 void ignore_handler_s(const char * __restrict, void * __restrict, errno_t);
342 #endif /* __EXT1_VISIBLE */
345 #endif /* !_STDLIB_H_ */