stdlib.h revision 1.130 1 /* $NetBSD: stdlib.h,v 1.130 2025/03/02 16:35:40 riastradh 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(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \
67 defined(_NETBSD_SOURCE) || (__cplusplus - 0) >= 201103L
68 typedef struct {
69 /* LONGLONG */
70 long long int quot; /* quotient */
71 /* LONGLONG */
72 long long int rem; /* remainder */
73 } lldiv_t;
74 #endif
75
76 #if defined(_NETBSD_SOURCE)
77 typedef struct {
78 quad_t quot; /* quotient */
79 quad_t rem; /* remainder */
80 } qdiv_t;
81 #endif
82
83
84 #include <sys/null.h>
85
86 #define EXIT_FAILURE 1
87 #define EXIT_SUCCESS 0
88
89 #define RAND_MAX 0x7fffffff
90
91 extern size_t __mb_cur_max;
92 #define MB_CUR_MAX __mb_cur_max
93
94 __BEGIN_DECLS
95 __dead void _Exit(int);
96 __dead void abort(void);
97 __constfunc int abs(int);
98 int atexit(void (*)(void));
99 double atof(const char *);
100 int atoi(const char *);
101 long atol(const char *);
102 #ifndef __BSEARCH_DECLARED
103 #define __BSEARCH_DECLARED
104 /* also in search.h */
105 void *bsearch(const void *, const void *, size_t, size_t,
106 int (*)(const void *, const void *));
107 #endif /* __BSEARCH_DECLARED */
108 void *calloc(size_t, size_t);
109 div_t div(int, int);
110 __dead void exit(int);
111 void free(void *);
112 __aconst char *getenv(const char *);
113 __constfunc long
114 labs(long);
115 ldiv_t ldiv(long, long);
116 void *malloc(size_t);
117 void qsort(void *, size_t, size_t, int (*)(const void *, const void *));
118 int rand(void);
119 void *realloc(void *, size_t);
120 void srand(unsigned);
121 double strtod(const char * __restrict, char ** __restrict);
122 long strtol(const char * __restrict, char ** __restrict, int);
123 unsigned long
124 strtoul(const char * __restrict, char ** __restrict, int);
125 #ifdef _OPENBSD_SOURCE
126 long long strtonum(const char *, long long, long long, const char **);
127 #endif
128 int system(const char *);
129
130 /* These are currently just stubs. */
131 int mblen(const char *, size_t);
132 size_t mbstowcs(wchar_t * __restrict, const char * __restrict, size_t);
133 int wctomb(char *, wchar_t);
134 int mbtowc(wchar_t * __restrict, const char * __restrict, size_t);
135 size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t);
136
137 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
138 defined(_NETBSD_SOURCE)
139
140
141 /*
142 * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2
143 */
144 #if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
145 defined(_REENTRANT) || defined(_NETBSD_SOURCE)
146 int rand_r(unsigned int *);
147 #endif
148
149
150 /*
151 * X/Open Portability Guide >= Issue 4
152 */
153 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
154 double drand48(void);
155 double erand48(unsigned short[3]);
156 long jrand48(unsigned short[3]);
157 void lcong48(unsigned short[7]);
158 long lrand48(void);
159 long mrand48(void);
160 long nrand48(unsigned short[3]);
161 unsigned short *
162 seed48(unsigned short[3]);
163 void srand48(long);
164
165 #ifndef __LIBC12_SOURCE__
166 int putenv(char *) __RENAME(__putenv50);
167 #endif
168 #endif
169
170
171 /*
172 * X/Open Portability Guide >= Issue 4 Version 2
173 */
174 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
175 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
176 long a64l(const char *);
177 char *l64a(long);
178
179 long random(void);
180 char *setstate(char *);
181 #ifndef __LIBC12_SOURCE__
182 char *initstate(unsigned int, char *, size_t) __RENAME(__initstate60);
183 void srandom(unsigned int) __RENAME(__srandom60);
184 #endif
185 #ifdef _NETBSD_SOURCE
186 #define RANDOM_MAX 0x7fffffff /* (((long)1 << 31) - 1) */
187 int mkostemps(char *, int, int);
188 #endif
189
190 char *mktemp(char *)
191 #ifdef __MKTEMP_OK__
192 __RENAME(_mktemp)
193 #endif
194 ;
195
196 int setkey(const char *);
197
198 char *realpath(const char * __restrict, char * __restrict);
199
200 int ttyslot(void);
201
202 void *valloc(size_t); /* obsoleted by malloc() */
203
204 int grantpt(int);
205 int unlockpt(int);
206 char *ptsname(int);
207 #endif
208
209 /*
210 * ISO C99
211 */
212 #if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \
213 defined(_NETBSD_SOURCE) || (__cplusplus - 0) >= 201103L
214
215 /* LONGLONG */
216 long long int atoll(const char *);
217 /* LONGLONG */
218 long long int llabs(long long int);
219 /* LONGLONG */
220 lldiv_t lldiv(long long int, long long int);
221 /* LONGLONG */
222 long long int strtoll(const char * __restrict, char ** __restrict, int);
223 /* LONGLONG */
224 unsigned long long int
225 strtoull(const char * __restrict, char ** __restrict, int);
226 float strtof(const char * __restrict, char ** __restrict);
227 long double strtold(const char * __restrict, char ** __restrict);
228 #endif
229
230 #if defined(_ISOC11_SOURCE) || (__STDC_VERSION__ - 0) >= 201101L || \
231 defined(_NETBSD_SOURCE) || (__cplusplus - 0) >= 201103L
232 void *aligned_alloc(size_t, size_t);
233 int at_quick_exit(void (*)(void));
234 __dead void quick_exit(int);
235 #endif
236
237 /*
238 * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX)
239 */
240 #if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 600 || \
241 defined(_NETBSD_SOURCE)
242 int setenv(const char *, const char *, int);
243 #ifndef __LIBC12_SOURCE__
244 int unsetenv(const char *) __RENAME(__unsetenv13);
245 #endif
246
247 int posix_openpt(int);
248 int posix_memalign(void **, size_t, size_t);
249 #endif
250
251 /*
252 * The Open Group Base Specifications, Issue 7; IEEE Std 1003.1-2008 (POSIX)
253 * or
254 * X/Open Portability Guide >= Issue 4 Version 2
255 */
256 #if (_POSIX_C_SOURCE - 0) >= 200809L || \
257 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
258 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
259 char *mkdtemp(char *);
260 int mkstemp(char *);
261
262 int getsubopt(char **, char * const *, char **);
263 #endif
264
265 /*
266 * Implementation-defined extensions
267 */
268 #if defined(_NETBSD_SOURCE)
269 #if defined(__PCC__) && !defined(__GNUC__)
270 #define alloca(size) __builtin_alloca(size)
271 #else
272 void *alloca(size_t);
273 #endif /* __GNUC__ */
274
275 uint32_t arc4random(void);
276 void arc4random_stir(void);
277 void arc4random_buf(void *, size_t);
278 uint32_t arc4random_uniform(uint32_t);
279 void arc4random_addrandom(unsigned char *, int);
280 char *getbsize(int *, long *);
281 char *cgetcap(char *, const char *, int);
282 int cgetclose(void);
283 int cgetent(char **, const char * const *, const char *);
284 int cgetfirst(char **, const char * const *);
285 int cgetmatch(const char *, const char *);
286 int cgetnext(char **, const char * const *);
287 int cgetnum(char *, const char *, long *);
288 int cgetset(const char *);
289 int cgetstr(char *, const char *, char **);
290 int cgetustr(char *, const char *, char **);
291 void csetexpandtc(int);
292
293 int daemon(int, int);
294 int devname_r(dev_t, mode_t, char *, size_t);
295 #ifndef __LIBC12_SOURCE__
296 __aconst char *devname(dev_t, mode_t) __RENAME(__devname50);
297 #endif
298
299 #define HN_DECIMAL 0x01
300 #define HN_NOSPACE 0x02
301 #define HN_B 0x04
302 #define HN_DIVISOR_1000 0x08
303
304 #define HN_GETSCALE 0x10
305 #define HN_AUTOSCALE 0x20
306
307 int humanize_number(char *, size_t, int64_t, const char *, int, int);
308 int dehumanize_number(const char *, int64_t *);
309 ssize_t hmac(const char *, const void *, size_t, const void *, size_t, void *,
310 size_t);
311
312 devmajor_t getdevmajor(const char *, mode_t);
313 int getloadavg(double [], int);
314
315 int getenv_r(const char *, char *, size_t);
316
317 void cfree(void *);
318
319 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
320 int heapsort_r(void *, size_t, size_t,
321 int (*)(const void *, const void *, void *), void *);
322 int mergesort(void *, size_t, size_t,
323 int (*)(const void *, const void *));
324 int mergesort_r(void *, size_t, size_t,
325 int (*)(const void *, const void *, void *), void *);
326 int ptsname_r(int, char *, size_t);
327 int radixsort(const unsigned char **, int, const unsigned char *,
328 unsigned);
329 int sradixsort(const unsigned char **, int, const unsigned char *,
330 unsigned);
331
332 void mi_vector_hash(const void * __restrict, size_t, uint32_t,
333 uint32_t[3]);
334
335 void setproctitle(const char *, ...)
336 __printflike(1, 2);
337 const char *getprogname(void) __constfunc;
338 void setprogname(const char *);
339
340 quad_t qabs(quad_t);
341 quad_t strtoq(const char * __restrict, char ** __restrict, int);
342 u_quad_t strtouq(const char * __restrict, char ** __restrict, int);
343
344 /* LONGLONG */
345 long long strsuftoll(const char *, const char *, long long, long long);
346 /* LONGLONG */
347 long long strsuftollx(const char *, const char *, long long, long long,
348 char *, size_t);
349
350 int l64a_r(long, char *, int);
351
352 size_t shquote(const char *, char *, size_t);
353 size_t shquotev(int, char * const *, char *, size_t);
354
355 int reallocarr(void *, size_t, size_t);
356 #endif /* _NETBSD_SOURCE */
357 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */
358
359 #if defined(_NETBSD_SOURCE)
360 qdiv_t qdiv(quad_t, quad_t);
361 #endif
362
363 #if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE)
364 # ifndef __LOCALE_T_DECLARED
365 typedef struct _locale *locale_t;
366 # define __LOCALE_T_DECLARED
367 # endif
368 double strtod_l(const char * __restrict, char ** __restrict, locale_t);
369 float strtof_l(const char * __restrict, char ** __restrict, locale_t);
370 long double strtold_l(const char * __restrict, char ** __restrict,
371 locale_t);
372 long strtol_l(const char * __restrict, char ** __restrict, int, locale_t);
373 unsigned long
374 strtoul_l(const char * __restrict, char ** __restrict, int, locale_t);
375 /* LONGLONG */
376 long long int
377 strtoll_l(const char * __restrict, char ** __restrict, int, locale_t);
378 /* LONGLONG */
379 unsigned long long int
380 strtoull_l(const char * __restrict, char ** __restrict, int, locale_t);
381
382 # if defined(_NETBSD_SOURCE)
383 quad_t strtoq_l(const char * __restrict, char ** __restrict, int, locale_t);
384 u_quad_t strtouq_l(const char * __restrict, char ** __restrict, int, locale_t);
385
386 size_t _mb_cur_max_l(locale_t);
387 #define MB_CUR_MAX_L(loc) _mb_cur_max_l(loc)
388 int mblen_l(const char *, size_t, locale_t);
389 size_t mbstowcs_l(wchar_t * __restrict, const char * __restrict, size_t,
390 locale_t);
391 int wctomb_l(char *, wchar_t, locale_t);
392 int mbtowc_l(wchar_t * __restrict, const char * __restrict, size_t,
393 locale_t);
394 size_t wcstombs_l(char * __restrict, const wchar_t * __restrict, size_t,
395 locale_t);
396
397 # endif /* _NETBSD_SOURCE */
398 #endif /* _POSIX_C_SOURCE >= 200809 || _NETBSD_SOURCE */
399
400 #if (_POSIX_C_SOURCE - 0) >= 202405L || \
401 defined(_NETBSD_SOURCE) || defined(_OPENBSD_SOURCE)
402 void *reallocarray(void *, size_t, size_t);
403 #endif /* _POSIX_C_SOURCE >= 202405L || _NETBSD_SOURCE || _OPENBSD_SOURCE */
404
405 #if (_POSIX_C_SOURCE - 0) >= 202405L || defined(_NETBSD_SOURCE)
406 int mkostemp(char *, int);
407 void qsort_r(void *, size_t, size_t,
408 int (*)(const void *, const void *, void *), void *);
409 #endif /* _POSIX_C_SOURCE >= 202405L || _NETBSD_SOURCE */
410
411 __END_DECLS
412
413 #endif /* !_STDLIB_H_ */
414