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sortix--sortix/libc/include/string.h
2015-08-26 14:52:44 +02:00

178 lines
6.2 KiB
C

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013, 2014.
This file is part of the Sortix C Library.
The Sortix C Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
The Sortix C Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
string.h
String operations.
*******************************************************************************/
#ifndef INCLUDE_STRING_H
#define INCLUDE_STRING_H
#include <sys/cdefs.h>
#include <sys/__/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifndef NULL
#define __need_NULL
#include <stddef.h>
#endif
#ifndef __size_t_defined
#define __size_t_defined
#define __need_size_t
#include <stddef.h>
#endif
#if __USE_SORTIX || 2008 <= __USE_POSIX
#ifndef __locale_t_defined
#define __locale_t_defined
/* TODO: figure out what this does and typedef it properly. This is just a
temporary assignment. */
typedef int __locale_t;
typedef __locale_t locale_t;
#endif
#endif
void* memchr(const void*, int, size_t);
int memcmp(const void*, const void*, size_t);
void* memcpy(void* __restrict, const void* __restrict, size_t);
void* memmove(void*, const void*, size_t);
void* memset(void*, int, size_t);
char* strcat(char* __restrict, const char* __restrict);
char* strchr(const char*, int);
int strcmp(const char*, const char*);
int strcoll(const char*, const char*);
char* strcpy(char* __restrict, const char* __restrict);
size_t strcspn(const char*, const char*);
#if __USE_SORTIX && __SORTIX_STDLIB_REDIRECTS
const char* strerror(int errnum) __asm__ ("sortix_strerror");
#else
char* strerror(int errnum);
#endif
size_t strlen(const char*);
char* strncat(char* __restrict, const char* __restrict, size_t);
int strncmp(const char*, const char*, size_t);
char* strncpy(char* __restrict, const char* __restrict, size_t);
char* strpbrk(const char*, const char*);
char* strrchr(const char*, int);
size_t strspn(const char*, const char*);
char* strstr(const char*, const char*);
char* strtok(char* __restrict, const char* __restrict);
size_t strxfrm(char* __restrict, const char* __restrict, size_t);
/* Functions from early POSIX. */
#if __USE_SORTIX || __USE_POSIX
int strcasecmp(const char* a, const char* b);
int strncasecmp(const char* a, const char* b, size_t n);
#endif
/* Functions from early XOPEN. */
#if __USE_SORTIX || __USE_XOPEN
void* memccpy(void* __restrict, const void* __restrict, int, size_t);
#endif
/* Functions from XOPEN 420 gone into POSIX 2008. */
#if __USE_SORTIX || 420 <= __USE_XOPEN || 200809L <= __USE_POSIX
char* strdup(const char*);
#endif
/* Functions from POSIX 2001. */
#if __USE_SORTIX || 200112L <= __USE_POSIX
int ffs(int);
#if __USE_SORTIX && __SORTIX_STDLIB_REDIRECTS
const char* strerror_l(int, locale_t) __asm__ ("sortix_strerror_l");
#else
char* strerror_l(int, locale_t);
#endif
int strerror_r(int, char*, size_t);
char* strtok_r(char* __restrict, const char* __restrict, char** __restrict);
#endif
/* Functions from POSIX 2008. */
#if __USE_SORTIX || 200809L <= __USE_POSIX
char* stpcpy(char* __restrict, const char* __restrict);
char* stpncpy(char* __restrict, const char* __restrict, size_t);
int strcoll_l(const char*, const char*, locale_t);
char* strndup(const char*, size_t);
size_t strnlen(const char*, size_t);
#if __USE_SORTIX && __SORTIX_STDLIB_REDIRECTS
const char* strsignal(int signum) __asm__ ("sortix_strsignal");
#else
char* strsignal(int signum);
#endif
size_t strxfrm_l(char* __restrict, const char* __restrict, size_t, locale_t);
#endif
/* Functions copied from elsewhere. */
#if __USE_SORTIX
void explicit_bzero(void*, size_t);
int ffsl(long int);
void* memrchr(const void*, int, size_t);
/* TODO: strcasecmp_l */
char* strchrnul(const char* str, int c);
char* stresep(char**, const char*, int);
size_t strlcat(char* __restrict, const char* __restrict, size_t);
size_t strlcpy(char* __restrict, const char* __restrict, size_t);
/* TODO: strncasecmp_l */
char* strsep(char**, const char*);
int strverscmp(const char*, const char*);
int timingsafe_memcmp(const void*, const void*, size_t);
#endif
/* Functions that are Sortix extensions. */
#if __USE_SORTIX
int ffsll(long long int);
const char* sortix_strerror(int errnum);
const char* sortix_strerror_l(int, locale_t);
const char* sortix_strsignal(int signum);
#endif
#if __USE_SORTIX
/* Duplicate S, returning an identical alloca'd string. */
#define strdupa(s) \
(__extension__ \
({ \
const char* __old = (s); \
size_t __len = strlen(__old) + 1; \
char* __new = (char*) __builtin_alloca(__len); \
(char*) memcpy(__new, __old, __len); \
}))
/* Return an alloca'd copy of at most N bytes of string. */
#define strndupa(s, n) \
(__extension__ \
({ \
__const char* __old = (s); \
size_t __len = strnlen(__old, (n)); \
char* __new = (char*) __builtin_alloca(__len + 1); \
__new[__len] = '\0'; \
(char*) memcpy(__new, __old, __len); \
}))
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif