1/* $NetBSD: stdlib.h,v 1.121 2019/01/05 09:16:46 maya 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_
47typedef _BSD_SIZE_T_ size_t;
48#undef _BSD_SIZE_T_
49#endif
50
51#if defined(_BSD_WCHAR_T_) && !defined(__cplusplus)
52typedef _BSD_WCHAR_T_ wchar_t;
53#undef _BSD_WCHAR_T_
54#endif
55
56typedef struct {
57 int quot; /* quotient */
58 int rem; /* remainder */
59} div_t;
60
61typedef 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))
69typedef 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)
78typedef 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
92extern 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);
99int atexit(void (*)(void));
100double atof(const char *);
101int atoi(const char *);
102long atol(const char *);
103#ifndef __BSEARCH_DECLARED
104#define __BSEARCH_DECLARED
105/* also in search.h */
106void *bsearch(const void *, const void *, size_t, size_t,
107 int (*)(const void *, const void *));
108#endif /* __BSEARCH_DECLARED */
109void *calloc(size_t, size_t);
110div_t div(int, int);
111__dead void exit(int);
112void free(void *);
113__aconst char *getenv(const char *);
114__constfunc long
115 labs(long);
116ldiv_t ldiv(long, long);
117void *malloc(size_t);
118void qsort(void *, size_t, size_t, int (*)(const void *, const void *));
119int rand(void);
120void *realloc(void *, size_t);
121void srand(unsigned);
122double strtod(const char * __restrict, char ** __restrict);
123long strtol(const char * __restrict, char ** __restrict, int);
124unsigned long
125 strtoul(const char * __restrict, char ** __restrict, int);
126#ifdef _OPENBSD_SOURCE
127long long strtonum(const char *, long long, long long, const char **);
128void *reallocarray(void *, size_t, size_t);
129#endif
130int system(const char *);
131
132/* These are currently just stubs. */
133int mblen(const char *, size_t);
134size_t mbstowcs(wchar_t * __restrict, const char * __restrict, size_t);
135int wctomb(char *, wchar_t);
136int mbtowc(wchar_t * __restrict, const char * __restrict, size_t);
137size_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)
148int 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)
156double drand48(void);
157double erand48(unsigned short[3]);
158long jrand48(unsigned short[3]);
159void lcong48(unsigned short[7]);
160long lrand48(void);
161long mrand48(void);
162long nrand48(unsigned short[3]);
163unsigned short *
164 seed48(unsigned short[3]);
165void srand48(long);
166
167#ifndef __LIBC12_SOURCE__
168int 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)
178long a64l(const char *);
179char *l64a(long);
180
181long random(void);
182char *setstate(char *);
183#ifndef __LIBC12_SOURCE__
184char *initstate(unsigned int, char *, size_t) __RENAME(__initstate60);
185void srandom(unsigned int) __RENAME(__srandom60);
186#endif
187#ifdef _NETBSD_SOURCE
188#define RANDOM_MAX 0x7fffffff /* (((long)1 << 31) - 1) */
189int mkostemp(char *, int);
190int mkostemps(char *, int, int);
191#endif
192
193char *mkdtemp(char *);
194int mkstemp(char *);
195char *mktemp(char *)
196#ifdef __MKTEMP_OK__
197 __RENAME(_mktemp)
198#endif
199 ;
200
201int setkey(const char *);
202
203char *realpath(const char * __restrict, char * __restrict);
204
205int ttyslot(void);
206
207void *valloc(size_t); /* obsoleted by malloc() */
208
209int getsubopt(char **, char * const *, char **);
210
211int grantpt(int);
212int unlockpt(int);
213char *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 */
223long long int atoll(const char *);
224/* LONGLONG */
225long long int llabs(long long int);
226/* LONGLONG */
227lldiv_t lldiv(long long int, long long int);
228/* LONGLONG */
229long long int strtoll(const char * __restrict, char ** __restrict, int);
230/* LONGLONG */
231unsigned long long int
232 strtoull(const char * __restrict, char ** __restrict, int);
233float strtof(const char * __restrict, char ** __restrict);
234long 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
239void *aligned_alloc(size_t, size_t);
240int 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)
249int setenv(const char *, const char *, int);
250#ifndef __LIBC12_SOURCE__
251int unsetenv(const char *) __RENAME(__unsetenv13);
252#endif
253
254int posix_openpt(int);
255int 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)
264void *alloca(int); /* built-in for gcc */
265#elif defined(__PCC__) && !defined(__GNUC__)
266#define alloca(size) __builtin_alloca(size)
267#else
268void *alloca(size_t);
269#endif /* __GNUC__ */
270
271uint32_t arc4random(void);
272void arc4random_stir(void);
273void arc4random_buf(void *, size_t);
274uint32_t arc4random_uniform(uint32_t);
275void arc4random_addrandom(u_char *, int);
276char *getbsize(int *, long *);
277char *cgetcap(char *, const char *, int);
278int cgetclose(void);
279int cgetent(char **, const char * const *, const char *);
280int cgetfirst(char **, const char * const *);
281int cgetmatch(const char *, const char *);
282int cgetnext(char **, const char * const *);
283int cgetnum(char *, const char *, long *);
284int cgetset(const char *);
285int cgetstr(char *, const char *, char **);
286int cgetustr(char *, const char *, char **);
287void csetexpandtc(int);
288
289int daemon(int, int);
290int 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
303int humanize_number(char *, size_t, int64_t, const char *, int, int);
304int dehumanize_number(const char *, int64_t *);
305ssize_t hmac(const char *, const void *, size_t, const void *, size_t, void *,
306 size_t);
307
308devmajor_t getdevmajor(const char *, mode_t);
309int getloadavg(double [], int);
310
311int getenv_r(const char *, char *, size_t);
312
313void cfree(void *);
314
315int heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
316int mergesort(void *, size_t, size_t,
317 int (*)(const void *, const void *));
318int ptsname_r(int, char *, size_t);
319int radixsort(const unsigned char **, int, const unsigned char *,
320 unsigned);
321int sradixsort(const unsigned char **, int, const unsigned char *,
322 unsigned);
323
324void mi_vector_hash(const void * __restrict, size_t, uint32_t,
325 uint32_t[3]);
326
327void setproctitle(const char *, ...)
328 __printflike(1, 2);
329const char *getprogname(void) __constfunc;
330void setprogname(const char *);
331
332quad_t qabs(quad_t);
333quad_t strtoq(const char * __restrict, char ** __restrict, int);
334u_quad_t strtouq(const char * __restrict, char ** __restrict, int);
335
336 /* LONGLONG */
337long long strsuftoll(const char *, const char *, long long, long long);
338 /* LONGLONG */
339long long strsuftollx(const char *, const char *, long long, long long,
340 char *, size_t);
341
342int l64a_r(long, char *, int);
343
344size_t shquote(const char *, char *, size_t);
345size_t shquotev(int, char * const *, char *, size_t);
346
347int 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)
352qdiv_t qdiv(quad_t, quad_t);
353#endif
354
355#if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE)
356# ifndef __LOCALE_T_DECLARED
357typedef struct _locale *locale_t;
358# define __LOCALE_T_DECLARED
359# endif
360double strtod_l(const char * __restrict, char ** __restrict, locale_t);
361float strtof_l(const char * __restrict, char ** __restrict, locale_t);
362long double strtold_l(const char * __restrict, char ** __restrict,
363 locale_t);
364long strtol_l(const char * __restrict, char ** __restrict, int, locale_t);
365unsigned long
366 strtoul_l(const char * __restrict, char ** __restrict, int, locale_t);
367/* LONGLONG */
368long long int
369 strtoll_l(const char * __restrict, char ** __restrict, int, locale_t);
370/* LONGLONG */
371unsigned long long int
372 strtoull_l(const char * __restrict, char ** __restrict, int, locale_t);
373
374# if defined(_NETBSD_SOURCE)
375quad_t strtoq_l(const char * __restrict, char ** __restrict, int, locale_t);
376u_quad_t strtouq_l(const char * __restrict, char ** __restrict, int, locale_t);
377
378size_t _mb_cur_max_l(locale_t);
379#define MB_CUR_MAX_L(loc) _mb_cur_max_l(loc)
380int mblen_l(const char *, size_t, locale_t);
381size_t mbstowcs_l(wchar_t * __restrict, const char * __restrict, size_t,
382 locale_t);
383int wctomb_l(char *, wchar_t, locale_t);
384int mbtowc_l(wchar_t * __restrict, const char * __restrict, size_t,
385 locale_t);
386size_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