stdlib.h revision 1.108 1 /* $NetBSD: stdlib.h,v 1.108 2014/06/12 18:45:14 christos 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 int system(const char *);
127
128 /* These are currently just stubs. */
129 int mblen(const char *, size_t);
130 size_t mbstowcs(wchar_t * __restrict, const char * __restrict, size_t);
131 int wctomb(char *, wchar_t);
132 int mbtowc(wchar_t * __restrict, const char * __restrict, size_t);
133 size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t);
134
135 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
136 defined(_NETBSD_SOURCE)
137
138
139 /*
140 * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2
141 */
142 #if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
143 defined(_REENTRANT) || defined(_NETBSD_SOURCE)
144 int rand_r(unsigned int *);
145 #endif
146
147
148 /*
149 * X/Open Portability Guide >= Issue 4
150 */
151 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
152 double drand48(void);
153 double erand48(unsigned short[3]);
154 long jrand48(unsigned short[3]);
155 void lcong48(unsigned short[7]);
156 long lrand48(void);
157 long mrand48(void);
158 long nrand48(unsigned short[3]);
159 unsigned short *
160 seed48(unsigned short[3]);
161 void srand48(long);
162
163 #ifndef __LIBC12_SOURCE__
164 int putenv(char *) __RENAME(__putenv50);
165 #endif
166 #endif
167
168
169 /*
170 * X/Open Portability Guide >= Issue 4 Version 2
171 */
172 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
173 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
174 long a64l(const char *);
175 char *l64a(long);
176
177 long random(void);
178 char *setstate(char *);
179 #ifndef __LIBC12_SOURCE__
180 char *initstate(unsigned int, char *, size_t) __RENAME(__initstate70);
181 void srandom(unsigned int) __RENAME(__srandom70);
182 #endif
183 #ifdef _NETBSD_SOURCE
184 #define RANDOM_MAX 0x7fffffff /* (((long)1 << 31) - 1) */
185 #endif
186
187 char *mkdtemp(char *);
188 int mkstemp(char *);
189 char *mktemp(char *)
190 #ifdef __MKTEMP_OK__
191 __RENAME(_mktemp)
192 #endif
193 ;
194
195 int setkey(const char *);
196
197 char *realpath(const char * __restrict, char * __restrict);
198
199 int ttyslot(void);
200
201 void *valloc(size_t); /* obsoleted by malloc() */
202
203 int grantpt(int);
204 int unlockpt(int);
205 char *ptsname(int);
206 #endif
207
208 /*
209 * ISO C99
210 */
211 #if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \
212 defined(_NETBSD_SOURCE) || (__cplusplus - 0) >= 201103L
213
214 /* LONGLONG */
215 long long int atoll(const char *);
216 /* LONGLONG */
217 long long int llabs(long long int);
218 /* LONGLONG */
219 lldiv_t lldiv(long long int, long long int);
220 /* LONGLONG */
221 long long int strtoll(const char * __restrict, char ** __restrict, int);
222 /* LONGLONG */
223 unsigned long long int
224 strtoull(const char * __restrict, char ** __restrict, int);
225 float strtof(const char * __restrict, char ** __restrict);
226 long double strtold(const char * __restrict, char ** __restrict);
227 #endif
228
229 #if defined(_ISOC11_SOURCE) || (__STDC_VERSION__ - 0) >= 201101L || \
230 defined(_NETBSD_SOURCE) || (__cplusplus - 0) >= 201103L
231 int at_quick_exit(void (*)(void));
232 __dead void quick_exit(int);
233 #endif
234
235 /*
236 * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX)
237 */
238 #if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 600 || \
239 defined(_NETBSD_SOURCE)
240 int setenv(const char *, const char *, int);
241 #ifndef __LIBC12_SOURCE__
242 int unsetenv(const char *) __RENAME(__unsetenv13);
243 #endif
244
245 int posix_openpt(int);
246 int posix_memalign(void **, size_t, size_t);
247 #endif
248
249 /*
250 * Implementation-defined extensions
251 */
252 #if defined(_NETBSD_SOURCE)
253 #if defined(alloca) && (alloca == __builtin_alloca) && \
254 defined(__GNUC__) && (__GNUC__ < 2)
255 void *alloca(int); /* built-in for gcc */
256 #elif defined(__PCC__) && !defined(__GNUC__)
257 #define alloca(size) __builtin_alloca(size)
258 #else
259 void *alloca(size_t);
260 #endif /* __GNUC__ */
261
262 uint32_t arc4random(void);
263 void arc4random_stir(void);
264 void arc4random_buf(void *, size_t);
265 uint32_t arc4random_uniform(uint32_t);
266 void arc4random_addrandom(u_char *, int);
267 char *getbsize(int *, long *);
268 char *cgetcap(char *, const char *, int);
269 int cgetclose(void);
270 int cgetent(char **, const char * const *, const char *);
271 int cgetfirst(char **, const char * const *);
272 int cgetmatch(const char *, const char *);
273 int cgetnext(char **, const char * const *);
274 int cgetnum(char *, const char *, long *);
275 int cgetset(const char *);
276 int cgetstr(char *, const char *, char **);
277 int cgetustr(char *, const char *, char **);
278 void csetexpandtc(int);
279
280 int daemon(int, int);
281 int devname_r(dev_t, mode_t, char *, size_t);
282 #ifndef __LIBC12_SOURCE__
283 __aconst char *devname(dev_t, mode_t) __RENAME(__devname50);
284 #endif
285
286 #define HN_DECIMAL 0x01
287 #define HN_NOSPACE 0x02
288 #define HN_B 0x04
289 #define HN_DIVISOR_1000 0x08
290
291 #define HN_GETSCALE 0x10
292 #define HN_AUTOSCALE 0x20
293
294 int humanize_number(char *, size_t, int64_t, const char *, int, int);
295 int dehumanize_number(const char *, int64_t *);
296
297 devmajor_t getdevmajor(const char *, mode_t);
298 int getloadavg(double [], int);
299
300 int getenv_r(const char *, char *, size_t);
301
302 void cfree(void *);
303
304 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
305 int mergesort(void *, size_t, size_t,
306 int (*)(const void *, const void *));
307 int ptsname_r(int, char *, size_t);
308 int radixsort(const unsigned char **, int, const unsigned char *,
309 unsigned);
310 int sradixsort(const unsigned char **, int, const unsigned char *,
311 unsigned);
312
313 void mi_vector_hash(const void * __restrict, size_t, uint32_t,
314 uint32_t[3]);
315
316 void setproctitle(const char *, ...)
317 __printflike(1, 2);
318 const char *getprogname(void) __constfunc;
319 void setprogname(const char *);
320
321 quad_t qabs(quad_t);
322 quad_t strtoq(const char * __restrict, char ** __restrict, int);
323 u_quad_t strtouq(const char * __restrict, char ** __restrict, int);
324
325 /* LONGLONG */
326 long long strsuftoll(const char *, const char *, long long, long long);
327 /* LONGLONG */
328 long long strsuftollx(const char *, const char *, long long, long long,
329 char *, size_t);
330
331 int l64a_r(long, char *, int);
332
333 size_t shquote(const char *, char *, size_t);
334 size_t shquotev(int, char * const *, char *, size_t);
335 #endif /* _NETBSD_SOURCE */
336 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */
337
338 #if defined(_NETBSD_SOURCE)
339 qdiv_t qdiv(quad_t, quad_t);
340 #endif
341
342 #if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE)
343 # ifndef __LOCALE_T_DECLARED
344 typedef struct _locale *locale_t;
345 # define __LOCALE_T_DECLARED
346 # endif
347 double strtod_l(const char * __restrict, char ** __restrict, locale_t);
348 float strtof_l(const char * __restrict, char ** __restrict, locale_t);
349 long double strtold_l(const char * __restrict, char ** __restrict,
350 locale_t);
351 long strtol_l(const char * __restrict, char ** __restrict, int, locale_t);
352 unsigned long
353 strtoul_l(const char * __restrict, char ** __restrict, int, locale_t);
354 /* LONGLONG */
355 long long int
356 strtoll_l(const char * __restrict, char ** __restrict, int, locale_t);
357 /* LONGLONG */
358 unsigned long long int
359 strtoull_l(const char * __restrict, char ** __restrict, int, locale_t);
360
361 # if defined(_NETBSD_SOURCE)
362 quad_t strtoq_l(const char * __restrict, char ** __restrict, int, locale_t);
363 u_quad_t strtouq_l(const char * __restrict, char ** __restrict, int, locale_t);
364
365 size_t _mb_cur_max_l(locale_t);
366 #define MB_CUR_MAX_L(loc) _mb_cur_max_l(loc)
367 int mblen_l(const char *, size_t, locale_t);
368 size_t mbstowcs_l(wchar_t * __restrict, const char * __restrict, size_t,
369 locale_t);
370 int wctomb_l(char *, wchar_t, locale_t);
371 int mbtowc_l(wchar_t * __restrict, const char * __restrict, size_t,
372 locale_t);
373 size_t wcstombs_l(char * __restrict, const wchar_t * __restrict, size_t,
374 locale_t);
375
376 # endif /* _NETBSD_SOURCE */
377 #endif /* _POSIX_C_SOURCE >= 200809 || _NETBSD_SOURCE */
378
379 __END_DECLS
380
381 #endif /* !_STDLIB_H_ */
382