stdlib.h revision 1.116 1 /* $NetBSD: stdlib.h,v 1.116 2015/11/07 16:21:42 nros Exp $ */
2
3 /*-
4 * Copyright (c) 1990, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * @(#)stdlib.h 8.5 (Berkeley) 5/19/95
32 */
33
34 #ifndef _STDLIB_H_
35 #define _STDLIB_H_
36
37 #include <sys/cdefs.h>
38 #include <sys/featuretest.h>
39
40 #if defined(_NETBSD_SOURCE)
41 #include <sys/types.h> /* for quad_t, etc. */
42 #endif
43
44 #include <machine/ansi.h>
45
46 #ifdef _BSD_SIZE_T_
47 typedef _BSD_SIZE_T_ size_t;
48 #undef _BSD_SIZE_T_
49 #endif
50
51 #if defined(_BSD_WCHAR_T_) && !defined(__cplusplus)
52 typedef _BSD_WCHAR_T_ wchar_t;
53 #undef _BSD_WCHAR_T_
54 #endif
55
56 typedef struct {
57 int quot; /* quotient */
58 int rem; /* remainder */
59 } div_t;
60
61 typedef struct {
62 long quot; /* quotient */
63 long rem; /* remainder */
64 } ldiv_t;
65
66 #if !defined(_ANSI_SOURCE) && \
67 (defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \
68 (__cplusplus - 0) >= 201103L || defined(_NETBSD_SOURCE))
69 typedef struct {
70 /* LONGLONG */
71 long long int quot; /* quotient */
72 /* LONGLONG */
73 long long int rem; /* remainder */
74 } lldiv_t;
75 #endif
76
77 #if defined(_NETBSD_SOURCE)
78 typedef struct {
79 quad_t quot; /* quotient */
80 quad_t rem; /* remainder */
81 } qdiv_t;
82 #endif
83
84
85 #include <sys/null.h>
86
87 #define EXIT_FAILURE 1
88 #define EXIT_SUCCESS 0
89
90 #define RAND_MAX 0x7fffffff
91
92 extern size_t __mb_cur_max;
93 #define MB_CUR_MAX __mb_cur_max
94
95 __BEGIN_DECLS
96 __dead void _Exit(int);
97 __dead void abort(void);
98 __pure int abs(int);
99 int atexit(void (*)(void));
100 double atof(const char *);
101 int atoi(const char *);
102 long atol(const char *);
103 #ifndef __BSEARCH_DECLARED
104 #define __BSEARCH_DECLARED
105 /* also in search.h */
106 void *bsearch(const void *, const void *, size_t, size_t,
107 int (*)(const void *, const void *));
108 #endif /* __BSEARCH_DECLARED */
109 void *calloc(size_t, size_t);
110 div_t div(int, int);
111 __dead void exit(int);
112 void free(void *);
113 __aconst char *getenv(const char *);
114 __pure long
115 labs(long);
116 ldiv_t ldiv(long, long);
117 void *malloc(size_t);
118 void qsort(void *, size_t, size_t, int (*)(const void *, const void *));
119 int rand(void);
120 void *realloc(void *, size_t);
121 void srand(unsigned);
122 double strtod(const char * __restrict, char ** __restrict);
123 long strtol(const char * __restrict, char ** __restrict, int);
124 unsigned long
125 strtoul(const char * __restrict, char ** __restrict, int);
126 #ifdef _OPENBSD_SOURCE
127 long long strtonum(const char *, long long, long long, const char **);
128 void *reallocarray(void *, size_t, size_t);
129 #endif
130 int system(const char *);
131
132 /* These are currently just stubs. */
133 int mblen(const char *, size_t);
134 size_t mbstowcs(wchar_t * __restrict, const char * __restrict, size_t);
135 int wctomb(char *, wchar_t);
136 int mbtowc(wchar_t * __restrict, const char * __restrict, size_t);
137 size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t);
138
139 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
140 defined(_NETBSD_SOURCE)
141
142
143 /*
144 * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2
145 */
146 #if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
147 defined(_REENTRANT) || defined(_NETBSD_SOURCE)
148 int rand_r(unsigned int *);
149 #endif
150
151
152 /*
153 * X/Open Portability Guide >= Issue 4
154 */
155 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
156 double drand48(void);
157 double erand48(unsigned short[3]);
158 long jrand48(unsigned short[3]);
159 void lcong48(unsigned short[7]);
160 long lrand48(void);
161 long mrand48(void);
162 long nrand48(unsigned short[3]);
163 unsigned short *
164 seed48(unsigned short[3]);
165 void srand48(long);
166
167 #ifndef __LIBC12_SOURCE__
168 int putenv(char *) __RENAME(__putenv50);
169 #endif
170 #endif
171
172
173 /*
174 * X/Open Portability Guide >= Issue 4 Version 2
175 */
176 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
177 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
178 long a64l(const char *);
179 char *l64a(long);
180
181 long random(void);
182 char *setstate(char *);
183 #ifndef __LIBC12_SOURCE__
184 char *initstate(unsigned int, char *, size_t) __RENAME(__initstate60);
185 void srandom(unsigned int) __RENAME(__srandom60);
186 #endif
187 #ifdef _NETBSD_SOURCE
188 #define RANDOM_MAX 0x7fffffff /* (((long)1 << 31) - 1) */
189 int mkostemp(char *, int);
190 int mkostemps(char *, int, int);
191 #endif
192
193 char *mkdtemp(char *);
194 int mkstemp(char *);
195 char *mktemp(char *)
196 #ifdef __MKTEMP_OK__
197 __RENAME(_mktemp)
198 #endif
199 ;
200
201 int setkey(const char *);
202
203 char *realpath(const char * __restrict, char * __restrict);
204
205 int ttyslot(void);
206
207 void *valloc(size_t); /* obsoleted by malloc() */
208
209 int grantpt(int);
210 int unlockpt(int);
211 char *ptsname(int);
212 #endif
213
214 /*
215 * ISO C99
216 */
217 #if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \
218 defined(_NETBSD_SOURCE) || (__cplusplus - 0) >= 201103L
219
220 /* LONGLONG */
221 long long int atoll(const char *);
222 /* LONGLONG */
223 long long int llabs(long long int);
224 /* LONGLONG */
225 lldiv_t lldiv(long long int, long long int);
226 /* LONGLONG */
227 long long int strtoll(const char * __restrict, char ** __restrict, int);
228 /* LONGLONG */
229 unsigned long long int
230 strtoull(const char * __restrict, char ** __restrict, int);
231 float strtof(const char * __restrict, char ** __restrict);
232 long double strtold(const char * __restrict, char ** __restrict);
233 #endif
234
235 #if defined(_ISOC11_SOURCE) || (__STDC_VERSION__ - 0) >= 201101L || \
236 defined(_NETBSD_SOURCE) || (__cplusplus - 0) >= 201103L
237 void *aligned_alloc(size_t, size_t);
238 int at_quick_exit(void (*)(void));
239 __dead void quick_exit(int);
240 #endif
241
242 /*
243 * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX)
244 */
245 #if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 600 || \
246 defined(_NETBSD_SOURCE)
247 int setenv(const char *, const char *, int);
248 #ifndef __LIBC12_SOURCE__
249 int unsetenv(const char *) __RENAME(__unsetenv13);
250 #endif
251
252 int posix_openpt(int);
253 int posix_memalign(void **, size_t, size_t);
254 #endif
255
256 /*
257 * Implementation-defined extensions
258 */
259 #if defined(_NETBSD_SOURCE)
260 #if defined(alloca) && (alloca == __builtin_alloca) && \
261 defined(__GNUC__) && (__GNUC__ < 2)
262 void *alloca(int); /* built-in for gcc */
263 #elif defined(__PCC__) && !defined(__GNUC__)
264 #define alloca(size) __builtin_alloca(size)
265 #else
266 void *alloca(size_t);
267 #endif /* __GNUC__ */
268
269 uint32_t arc4random(void);
270 void arc4random_stir(void);
271 void arc4random_buf(void *, size_t);
272 uint32_t arc4random_uniform(uint32_t);
273 void arc4random_addrandom(u_char *, int);
274 char *getbsize(int *, long *);
275 char *cgetcap(char *, const char *, int);
276 int cgetclose(void);
277 int cgetent(char **, const char * const *, const char *);
278 int cgetfirst(char **, const char * const *);
279 int cgetmatch(const char *, const char *);
280 int cgetnext(char **, const char * const *);
281 int cgetnum(char *, const char *, long *);
282 int cgetset(const char *);
283 int cgetstr(char *, const char *, char **);
284 int cgetustr(char *, const char *, char **);
285 void csetexpandtc(int);
286
287 int daemon(int, int);
288 int devname_r(dev_t, mode_t, char *, size_t);
289 #ifndef __LIBC12_SOURCE__
290 __aconst char *devname(dev_t, mode_t) __RENAME(__devname50);
291 #endif
292
293 #define HN_DECIMAL 0x01
294 #define HN_NOSPACE 0x02
295 #define HN_B 0x04
296 #define HN_DIVISOR_1000 0x08
297
298 #define HN_GETSCALE 0x10
299 #define HN_AUTOSCALE 0x20
300
301 int humanize_number(char *, size_t, int64_t, const char *, int, int);
302 int dehumanize_number(const char *, int64_t *);
303
304 devmajor_t getdevmajor(const char *, mode_t);
305 int getloadavg(double [], int);
306
307 int getenv_r(const char *, char *, size_t);
308
309 void cfree(void *);
310
311 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
312 int mergesort(void *, size_t, size_t,
313 int (*)(const void *, const void *));
314 int ptsname_r(int, char *, size_t);
315 int radixsort(const unsigned char **, int, const unsigned char *,
316 unsigned);
317 int sradixsort(const unsigned char **, int, const unsigned char *,
318 unsigned);
319
320 void mi_vector_hash(const void * __restrict, size_t, uint32_t,
321 uint32_t[3]);
322
323 void setproctitle(const char *, ...)
324 __printflike(1, 2);
325 const char *getprogname(void) __constfunc;
326 void setprogname(const char *);
327
328 quad_t qabs(quad_t);
329 quad_t strtoq(const char * __restrict, char ** __restrict, int);
330 u_quad_t strtouq(const char * __restrict, char ** __restrict, int);
331
332 /* LONGLONG */
333 long long strsuftoll(const char *, const char *, long long, long long);
334 /* LONGLONG */
335 long long strsuftollx(const char *, const char *, long long, long long,
336 char *, size_t);
337
338 int l64a_r(long, char *, int);
339
340 size_t shquote(const char *, char *, size_t);
341 size_t shquotev(int, char * const *, char *, size_t);
342
343 int reallocarr(void *, size_t, size_t);
344 #endif /* _NETBSD_SOURCE */
345 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */
346
347 #if defined(_NETBSD_SOURCE)
348 qdiv_t qdiv(quad_t, quad_t);
349 #endif
350
351 #if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE)
352 # ifndef __LOCALE_T_DECLARED
353 typedef struct _locale *locale_t;
354 # define __LOCALE_T_DECLARED
355 # endif
356 double strtod_l(const char * __restrict, char ** __restrict, locale_t);
357 float strtof_l(const char * __restrict, char ** __restrict, locale_t);
358 long double strtold_l(const char * __restrict, char ** __restrict,
359 locale_t);
360 long strtol_l(const char * __restrict, char ** __restrict, int, locale_t);
361 unsigned long
362 strtoul_l(const char * __restrict, char ** __restrict, int, locale_t);
363 /* LONGLONG */
364 long long int
365 strtoll_l(const char * __restrict, char ** __restrict, int, locale_t);
366 /* LONGLONG */
367 unsigned long long int
368 strtoull_l(const char * __restrict, char ** __restrict, int, locale_t);
369
370 # if defined(_NETBSD_SOURCE)
371 quad_t strtoq_l(const char * __restrict, char ** __restrict, int, locale_t);
372 u_quad_t strtouq_l(const char * __restrict, char ** __restrict, int, locale_t);
373
374 size_t _mb_cur_max_l(locale_t);
375 #define MB_CUR_MAX_L(loc) _mb_cur_max_l(loc)
376 int mblen_l(const char *, size_t, locale_t);
377 size_t mbstowcs_l(wchar_t * __restrict, const char * __restrict, size_t,
378 locale_t);
379 int wctomb_l(char *, wchar_t, locale_t);
380 int mbtowc_l(wchar_t * __restrict, const char * __restrict, size_t,
381 locale_t);
382 size_t wcstombs_l(char * __restrict, const wchar_t * __restrict, size_t,
383 locale_t);
384
385 # endif /* _NETBSD_SOURCE */
386 #endif /* _POSIX_C_SOURCE >= 200809 || _NETBSD_SOURCE */
387
388 __END_DECLS
389
390 #endif /* !_STDLIB_H_ */
391