string.h revision 9d12795f87b63c2e39e87bff369182edd34677d3
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2014 Garrett D'Amore <garrett@damore.org>
* Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
#ifndef _STRING_H
#define _STRING_H
#include <iso/string_iso.h>
/*
* Allow global visibility for symbols defined in
* C++ "std" namespace in <iso/string_iso.h>.
*/
#if __cplusplus >= 199711L
using std::size_t;
using std::memchr;
using std::memcmp;
using std::memcpy;
using std::memmove;
using std::memset;
using std::strcat;
using std::strchr;
using std::strcmp;
using std::strcoll;
using std::strcpy;
using std::strcspn;
using std::strerror;
using std::strlen;
using std::strncat;
using std::strncmp;
using std::strncpy;
using std::strpbrk;
using std::strrchr;
using std::strspn;
using std::strstr;
using std::strtok;
using std::strxfrm;
#endif
#ifdef __cplusplus
extern "C" {
#endif
#if defined(__EXTENSIONS__) || \
(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
defined(_XPG6) || defined(_REENTRANT)
extern int strerror_r(int, char *, size_t);
#endif
#if defined(__EXTENSIONS__) || \
(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
(_POSIX_C_SOURCE - 0 >= 199506L) || defined(_REENTRANT)
extern char *strtok_r(char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD,
char **_RESTRICT_KYWD);
#endif
#if defined(__EXTENSIONS__) || !defined(_STRICT_STDC) || \
defined(__XOPEN_OR_POSIX)
extern void *memccpy(void *_RESTRICT_KYWD, const void *_RESTRICT_KYWD,
int, size_t);
#endif
#if !defined(_STRICT_SYMBOLS) || defined(_XPG7)
extern char *stpcpy(char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD);
extern char *stpncpy(char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, size_t);
extern char *strndup(const char *, size_t);
extern size_t strnlen(const char *, size_t);
extern char *strsignal(int);
#ifndef _LOCALE_T
#define _LOCALE_T
typedef struct _locale *locale_t;
#endif
extern int strcoll_l(const char *, const char *, locale_t);
extern size_t strxfrm_l(char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD,
size_t, locale_t);
extern int strcasecmp_l(const char *, const char *, locale_t);
extern int strncasecmp_l(const char *, const char *, size_t, locale_t);
#endif /* defined(_STRICT_SYMBOLS) || defined(_XPG7) */
#if !defined(_STRICT_SYMBOLS)
/* Note that some of these are also declared in strings.h for XPG4_2+ */
extern void explicit_bzero(void *, size_t);
extern int uucopy(const void *_RESTRICT_KYWD, void *_RESTRICT_KYWD, size_t);
extern int uucopystr(const void *_RESTRICT_KYWD, void *_RESTRICT_KYWD, size_t);
extern int ffs(int);
extern int ffsl(long);
extern int ffsll(long long);
extern int fls(int);
extern int flsl(long);
extern int flsll(long long);
extern void *memmem(const void *, size_t, const void *, size_t);
extern char *strcasestr(const char *, const char *);
extern char *strnstr(const char *, const char *, size_t);
extern size_t strlcpy(char *, const char *, size_t);
extern size_t strlcat(char *, const char *, size_t);
extern char *strsep(char **stringp, const char *delim);
extern char *strchrnul(const char *, int);
extern char *strcasestr_l(const char *, const char *, locale_t);
extern int strcasecmp(const char *, const char *);
extern int strncasecmp(const char *, const char *, size_t);
#endif /* defined(__EXTENSIONS__)... */
#if defined(__EXTENSIONS__) || \
(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
defined(_XPG4_2)
extern char *strdup(const char *);
#endif
#if defined(__EXTENSIONS__) || \
(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
#if defined(__GNUC__)
/*
* gcc provides this inlining facility but Studio C does not.
* We should use it exclusively once Studio C also provides it.
*/
extern void *__builtin_alloca(size_t);
#define strdupa(s) \
(__extension__( \
{ \
char *__str = (char *)(s); \
strcpy((char *)__builtin_alloca(strlen(__str) + 1), __str); \
}))
#define strndupa(s, n) \
(__extension__( \
{ \
char *__str = (char *)(s); \
size_t __len = strnlen(__str, (n)); \
(__str = strncpy((char *)__builtin_alloca(__len + 1), \
__str, __len), \
__str[__len] = '\0', __str); \
}))
#else /* __GNUC__ */
#if defined(unix) /* excludes c99 */
/*
* Studio C currently can't do the gcc-style inlining,
* so we use thread-local storage instead.
*/
extern void *__builtin_alloca(size_t);
extern __thread char *__strdupa_str;
extern __thread size_t __strdupa_len;
#define strdupa(s) \
(__strdupa_str = (char *)(s), \
strcpy((char *)__builtin_alloca(strlen(__strdupa_str) + 1), \
__strdupa_str))
#define strndupa(s, n) \
(__strdupa_str = (char *)(s), \
__strdupa_len = strnlen(__strdupa_str, (n)), \
__strdupa_str = strncpy((char *)__builtin_alloca(__strdupa_len + 1), \
__strdupa_str, __strdupa_len), \
__strdupa_str[__strdupa_len] = '\0', __strdupa_str)
#endif /* unix */
#endif /* __GNUC__ */
#endif /* __EXTENSIONS__ ... */
#ifdef __cplusplus
}
#endif
#endif /* _STRING_H */