stdlib.h revision 1.122 1 /* $NetBSD: stdlib.h,v 1.122 2020/05/26 21:49:29 joerg 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 __constfunc 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 __constfunc 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 getsubopt(char **, char * const *, char **);
210
211 int grantpt(int);
212 int unlockpt(int);
213 char *ptsname(int);
214 #endif
215
216 /*
217 * ISO C99
218 */
219 #if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \
220 defined(_NETBSD_SOURCE) || (__cplusplus - 0) >= 201103L
221
222 /* LONGLONG */
223 long long int atoll(const char *);
224 /* LONGLONG */
225 long long int llabs(long long int);
226 /* LONGLONG */
227 lldiv_t lldiv(long long int, long long int);
228 /* LONGLONG */
229 long long int strtoll(const char * __restrict, char ** __restrict, int);
230 /* LONGLONG */
231 unsigned long long int
232 strtoull(const char * __restrict, char ** __restrict, int);
233 float strtof(const char * __restrict, char ** __restrict);
234 long double strtold(const char * __restrict, char ** __restrict);
235 #endif
236
237 #if defined(_ISOC11_SOURCE) || (__STDC_VERSION__ - 0) >= 201101L || \
238 defined(_NETBSD_SOURCE) || (__cplusplus - 0) >= 201103L
239 void *aligned_alloc(size_t, size_t);
240 int at_quick_exit(void (*)(void));
241 __dead void quick_exit(int);
242 #endif
243
244 /*
245 * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX)
246 */
247 #if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 600 || \
248 defined(_NETBSD_SOURCE)
249 int setenv(const char *, const char *, int);
250 #ifndef __LIBC12_SOURCE__
251 int unsetenv(const char *) __RENAME(__unsetenv13);
252 #endif
253
254 int posix_openpt(int);
255 int posix_memalign(void **, size_t, size_t);
256 #endif
257
258 /*
259 * Implementation-defined extensions
260 */
261 #if defined(_NETBSD_SOURCE)
262 #if defined(alloca) && (alloca == __builtin_alloca) && \
263 defined(__GNUC__) && (__GNUC__ < 2)
264 void *alloca(int); /* built-in for gcc */
265 #elif defined(__PCC__) && !defined(__GNUC__)
266 #define alloca(size) __builtin_alloca(size)
267 #else
268 void *alloca(size_t);
269 #endif /* __GNUC__ */
270
271 uint32_t arc4random(void);
272 void arc4random_stir(void);
273 void arc4random_buf(void *, size_t);
274 uint32_t arc4random_uniform(uint32_t);
275 void arc4random_addrandom(unsigned char *, int);
276 char *getbsize(int *, long *);
277 char *cgetcap(char *, const char *, int);
278 int cgetclose(void);
279 int cgetent(char **, const char * const *, const char *);
280 int cgetfirst(char **, const char * const *);
281 int cgetmatch(const char *, const char *);
282 int cgetnext(char **, const char * const *);
283 int cgetnum(char *, const char *, long *);
284 int cgetset(const char *);
285 int cgetstr(char *, const char *, char **);
286 int cgetustr(char *, const char *, char **);
287 void csetexpandtc(int);
288
289 int daemon(int, int);
290 int devname_r(dev_t, mode_t, char *, size_t);
291 #ifndef __LIBC12_SOURCE__
292 __aconst char *devname(dev_t, mode_t) __RENAME(__devname50);
293 #endif
294
295 #define HN_DECIMAL 0x01
296 #define HN_NOSPACE 0x02
297 #define HN_B 0x04
298 #define HN_DIVISOR_1000 0x08
299
300 #define HN_GETSCALE 0x10
301 #define HN_AUTOSCALE 0x20
302
303 int humanize_number(char *, size_t, int64_t, const char *, int, int);
304 int dehumanize_number(const char *, int64_t *);
305 ssize_t hmac(const char *, const void *, size_t, const void *, size_t, void *,
306 size_t);
307
308 devmajor_t getdevmajor(const char *, mode_t);
309 int getloadavg(double [], int);
310
311 int getenv_r(const char *, char *, size_t);
312
313 void cfree(void *);
314
315 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
316 int mergesort(void *, size_t, size_t,
317 int (*)(const void *, const void *));
318 int ptsname_r(int, char *, size_t);
319 int radixsort(const unsigned char **, int, const unsigned char *,
320 unsigned);
321 int sradixsort(const unsigned char **, int, const unsigned char *,
322 unsigned);
323
324 void mi_vector_hash(const void * __restrict, size_t, uint32_t,
325 uint32_t[3]);
326
327 void setproctitle(const char *, ...)
328 __printflike(1, 2);
329 const char *getprogname(void) __constfunc;
330 void setprogname(const char *);
331
332 quad_t qabs(quad_t);
333 quad_t strtoq(const char * __restrict, char ** __restrict, int);
334 u_quad_t strtouq(const char * __restrict, char ** __restrict, int);
335
336 /* LONGLONG */
337 long long strsuftoll(const char *, const char *, long long, long long);
338 /* LONGLONG */
339 long long strsuftollx(const char *, const char *, long long, long long,
340 char *, size_t);
341
342 int l64a_r(long, char *, int);
343
344 size_t shquote(const char *, char *, size_t);
345 size_t shquotev(int, char * const *, char *, size_t);
346
347 int reallocarr(void *, size_t, size_t);
348 #endif /* _NETBSD_SOURCE */
349 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */
350
351 #if defined(_NETBSD_SOURCE)
352 qdiv_t qdiv(quad_t, quad_t);
353 #endif
354
355 #if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE)
356 # ifndef __LOCALE_T_DECLARED
357 typedef struct _locale *locale_t;
358 # define __LOCALE_T_DECLARED
359 # endif
360 double strtod_l(const char * __restrict, char ** __restrict, locale_t);
361 float strtof_l(const char * __restrict, char ** __restrict, locale_t);
362 long double strtold_l(const char * __restrict, char ** __restrict,
363 locale_t);
364 long strtol_l(const char * __restrict, char ** __restrict, int, locale_t);
365 unsigned long
366 strtoul_l(const char * __restrict, char ** __restrict, int, locale_t);
367 /* LONGLONG */
368 long long int
369 strtoll_l(const char * __restrict, char ** __restrict, int, locale_t);
370 /* LONGLONG */
371 unsigned long long int
372 strtoull_l(const char * __restrict, char ** __restrict, int, locale_t);
373
374 # if defined(_NETBSD_SOURCE)
375 quad_t strtoq_l(const char * __restrict, char ** __restrict, int, locale_t);
376 u_quad_t strtouq_l(const char * __restrict, char ** __restrict, int, locale_t);
377
378 size_t _mb_cur_max_l(locale_t);
379 #define MB_CUR_MAX_L(loc) _mb_cur_max_l(loc)
380 int mblen_l(const char *, size_t, locale_t);
381 size_t mbstowcs_l(wchar_t * __restrict, const char * __restrict, size_t,
382 locale_t);
383 int wctomb_l(char *, wchar_t, locale_t);
384 int mbtowc_l(wchar_t * __restrict, const char * __restrict, size_t,
385 locale_t);
386 size_t wcstombs_l(char * __restrict, const wchar_t * __restrict, size_t,
387 locale_t);
388
389 # endif /* _NETBSD_SOURCE */
390 #endif /* _POSIX_C_SOURCE >= 200809 || _NETBSD_SOURCE */
391
392 __END_DECLS
393
394 #endif /* !_STDLIB_H_ */
395