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>
41 #ifndef _RUNE_T_DECLARED
42 typedef __rune_t rune_t;
43 #define _RUNE_T_DECLARED
47 #ifndef _SIZE_T_DECLARED
48 typedef __size_t size_t; /* _GCC_SIZE_T OK */
49 #define _SIZE_T_DECLARED
53 #ifndef _WCHAR_T_DECLARED
54 typedef __wchar_t wchar_t; /* _GCC_WCHAR_T OK */
55 #define _WCHAR_T_DECLARED
60 #ifndef _ERRNO_T_DEFINED
62 #define _ERRNO_T_DEFINED
67 int quot; /* quotient */
68 int rem; /* remainder */
76 #define EXIT_FAILURE 1
77 #define EXIT_SUCCESS 0
79 #define RAND_MAX 0x7fffffff
83 #include <xlocale/_stdlib.h>
85 extern int __mb_cur_max;
86 extern int ___mb_cur_max(void);
87 #define MB_CUR_MAX ((size_t)___mb_cur_max())
89 void abort(void) __dead2;
90 /* void abort2(const char *, int, void **) __dead2; */
91 #if !defined(_KERNEL_VIRTUAL)
94 int atexit(void (*)(void));
95 double atof(const char *);
96 int atoi(const char *);
97 long atol(const char *);
98 void *bsearch(const void *, const void *, size_t,
99 size_t, int (*)(const void *, const void *));
100 void *calloc(size_t, size_t) __alloc_size2(1, 2) __malloclike __heedresult;
101 div_t div(int, int) __pure2;
102 void exit(int) __dead2;
104 char *getenv(const char *);
105 #if !defined(_KERNEL_VIRTUAL)
106 long labs(long) __pure2;
108 ldiv_t ldiv(long, long) __pure2;
109 void *malloc(size_t) __malloclike __heedresult __alloc_size(1);
110 int mblen(const char *, size_t);
111 size_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t);
112 int mbtowc(wchar_t * __restrict, const char * __restrict, size_t);
113 void qsort(void *, size_t, size_t, int (*)(const void *, const void *));
115 void *realloc(void *, size_t) __heedresult __alloc_size(2);
116 void srand(unsigned);
117 double strtod(const char * __restrict, char ** __restrict);
118 float strtof(const char * __restrict, char ** __restrict);
119 #if !defined(_KERNEL_VIRTUAL)
120 long strtol(const char * __restrict, char ** __restrict, int);
123 strtold(const char * __restrict, char ** __restrict);
124 #if !defined(_KERNEL_VIRTUAL)
126 strtoul(const char * __restrict, char ** __restrict, int);
128 int system(const char *);
129 int wctomb(char *, wchar_t);
130 size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t);
133 * Functions added in C99 which we make conditionally available in the
134 * BSD^C89 namespace if the compiler supports `long long'.
135 * The #if test is more complicated than it ought to be because
136 * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long'
137 * is not supported in the compilation environment (which therefore means
138 * that it can't really be ISO C99).
140 * (The only other extension made by C99 in this header is _Exit().)
142 #if __ISO_C_VISIBLE >= 1999 || defined(__cplusplus)
143 #ifdef __LONG_LONG_SUPPORTED
155 llabs(long long) __pure2;
157 lldiv_t lldiv(long long, long long) __pure2;
160 strtoll(const char * __restrict, char ** __restrict, int);
163 strtoull(const char * __restrict, char ** __restrict, int);
164 #endif /* __LONG_LONG_SUPPORTED */
166 void _Exit(int) __dead2;
167 #endif /* __ISO_C_VISIBLE >= 1999 */
172 #if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L
173 void *aligned_alloc(size_t, size_t) __malloclike __heedresult
174 __alloc_align(1) __alloc_size(2);
175 int at_quick_exit(void (*)(void)); /* extra extern case for __cplusplus? */
176 void quick_exit(int) __dead2;
177 #endif /* __ISO_C_VISIBLE >= 2011 */
180 * Extensions made by POSIX relative to C.
182 #if __POSIX_VISIBLE >= 199506
183 int rand_r(unsigned *); /* (TSF) */
185 #if __POSIX_VISIBLE >= 200112
186 int posix_memalign(void **, size_t, size_t) __nonnull(1); /* (ADV) */
187 int setenv(const char *, const char *, int);
188 int unsetenv(const char *);
191 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE
192 int getsubopt(char **, char *const *, char **);
193 #ifndef _MKDTEMP_DECLARED
194 char *mkdtemp(char *);
195 #define _MKDTEMP_DECLARED
197 #ifndef _MKSTEMP_DECLARED
199 #define _MKSTEMP_DECLARED
201 #endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */
204 * The only changes to the XSI namespace in revision 6 were the deletion
205 * of the ttyslot() and valloc() functions, which we never declared
206 * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which
207 * we also do not have, and mktemp(), are to be deleted.
210 /* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */
211 long a64l(const char *);
212 double drand48(void);
213 double erand48(unsigned short[3]);
215 #if __BSD_VISIBLE || (__XSI_VISIBLE && __XSI_VISIBLE < 700)
216 char *ecvt(double, int, int * __restrict, int * __restrict); /* LEGACY */
217 char *fcvt(double, int, int * __restrict, int * __restrict); /* LEGACY */
218 char *gcvt(double, int, int * __restrict, int * __restrict); /* LEGACY */
222 char *initstate(unsigned long /* XSI requires u_int */, char *, long);
223 long jrand48(unsigned short[3]);
225 void lcong48(unsigned short[7]);
227 #if __BSD_VISIBLE || (__XSI_VISIBLE && __XSI_VISIBLE < 700)
228 #if !defined(_MKTEMP_DECLARED)
229 char *mktemp(char *); /* LEGACY */
230 #define _MKTEMP_DECLARED
234 long nrand48(unsigned short[3]);
235 int posix_openpt(int);
239 char *realpath(const char * __restrict, char * __restrict);
241 *seed48(unsigned short[3]);
242 int setkey(const char *);
243 char *setstate(/* const */ char *);
245 void srandom(unsigned long);
247 #endif /* __XSI_VISIBLE */
250 /* extern const char *_malloc_options;
251 extern void (*_malloc_message)(const char *, const char *, const char *,
255 * The alloca() function can't be implemented in C, and on some
256 * platforms it can't be implemented at all as a callable function.
257 * The GNU C compiler provides a built-in alloca() which we can use.
258 * On platforms where alloca() is not in libc, programs which use it
259 * will fail to link when compiled with non-GNU compilers.
261 #if __GNUC__ >= 2 || defined(__INTEL_COMPILER)
262 #undef alloca /* some GNU bits try to get cute and define this on their own */
263 #define alloca(sz) __builtin_alloca(sz)
268 void arc4random_addrandom(__uint8_t *, size_t);
269 void arc4random_buf(void *, size_t);
270 void arc4random_stir(void);
272 arc4random_uniform(__uint32_t);
273 char *getbsize(int *, long *);
275 /* getcap(3) functions */
276 char *cgetcap(char *, const char *, int);
278 int cgetent(char **, char **, const char *);
279 int cgetfirst(char **, char **);
280 int cgetmatch(const char *, const char *);
281 int cgetnext(char **, char **);
282 int cgetnum(char *, const char *, long *);
283 int cgetset(const char *);
284 int cgetstr(char *, const char *, char **);
285 int cgetustr(char *, const char *, char **);
287 int daemon(int, int);
288 char *devname(dev_t, mode_t);
289 char *devname_r(dev_t, mode_t, char *, size_t);
291 int fdevname_r(int, char *, size_t);
292 void freezero(void *, size_t);
293 int getloadavg(double [], int);
297 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
298 int l64a_r(long, char *, int);
299 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
300 int mkostemp(char *, int);
301 int mkostemps(char *, int, int);
302 void qsort_r(void *, size_t, size_t, void *,
303 int (*)(void *, const void *, const void *));
304 int radixsort(const unsigned char **, int, const unsigned char *,
306 void *reallocarray(void *, size_t, size_t) __heedresult __alloc_size2(2, 3);
307 void *recallocarray(void *, size_t, size_t, size_t) __heedresult
309 void *reallocf(void *, size_t) __heedresult __alloc_size(2);
310 int rpmatch(const char *);
311 void setprogname(const char *);
312 int sradixsort(const unsigned char **, int, const unsigned char *,
315 void srandomdev(void);
317 strsuftoll(const char *, const char *, long long, long long);
319 strsuftollx(const char *, const char *, long long, long long, char *,
322 strtonum(const char *, long long, long long, const char **);
324 /* Deprecated interfaces. */
325 #if !defined(_KERNEL_VIRTUAL)
327 strtoq(const char *, char **, int);
329 strtouq(const char *, char **, int);
332 extern char *suboptarg; /* getsubopt(3) external variable */
333 #endif /* __BSD_VISIBLE */
337 typedef void (*constraint_handler_t)(const char * __restrict,
338 void * __restrict, errno_t);
340 constraint_handler_t set_constraint_handler_s(constraint_handler_t handler);
342 _Noreturn void abort_handler_s(const char * __restrict, void * __restrict,
345 void ignore_handler_s(const char * __restrict, void * __restrict, errno_t);
346 #endif /* __EXT1_VISIBLE */
349 #endif /* !_STDLIB_H_ */