82fd2d4c92
Update feature macros for interfaces added to POSIX 2024. This commit begins the work of implementing POSIX 2024, which was largely already implemented as extensions.
175 lines
6 KiB
C
175 lines
6 KiB
C
/*
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* Copyright (c) 2011-2014, 2017, 2022, 2024 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* string.h
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* String operations.
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*/
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#ifndef _INCLUDE_STRING_H
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#define _INCLUDE_STRING_H
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#include <sys/cdefs.h>
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#if __USE_SORTIX || __USE_POSIX
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#include <sys/__/types.h>
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#endif
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#ifndef NULL
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#define __need_NULL
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#include <stddef.h>
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#endif
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#ifndef __size_t_defined
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#define __size_t_defined
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#define __need_size_t
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#include <stddef.h>
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#endif
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#if __USE_SORTIX || 2008 <= __USE_POSIX
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#ifndef __locale_t_defined
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#define __locale_t_defined
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/* TODO: figure out what this does and typedef it properly. This is just a
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temporary assignment. */
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typedef int __locale_t;
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typedef __locale_t locale_t;
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#endif
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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void* memchr(const void*, int, size_t);
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int memcmp(const void*, const void*, size_t);
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void* memcpy(void* __restrict, const void* __restrict, size_t);
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void* memmove(void*, const void*, size_t);
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void* memset(void*, int, size_t);
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char* strcat(char* __restrict, const char* __restrict);
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char* strchr(const char*, int);
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int strcmp(const char*, const char*);
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int strcoll(const char*, const char*);
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char* strcpy(char* __restrict, const char* __restrict);
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size_t strcspn(const char*, const char*);
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char* strerror(int errnum);
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size_t strlen(const char*);
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char* strncat(char* __restrict, const char* __restrict, size_t);
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int strncmp(const char*, const char*, size_t);
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char* strncpy(char* __restrict, const char* __restrict, size_t);
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char* strpbrk(const char*, const char*);
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char* strrchr(const char*, int);
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size_t strspn(const char*, const char*);
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char* strstr(const char*, const char*);
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char* strtok(char* __restrict, const char* __restrict);
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size_t strxfrm(char* __restrict, const char* __restrict, size_t);
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/* Functions from early POSIX. */
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#if __USE_SORTIX || __USE_POSIX
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int strcasecmp(const char* a, const char* b);
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int strncasecmp(const char* a, const char* b, size_t n);
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#endif
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/* Functions from early XOPEN. */
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#if __USE_SORTIX || __USE_XOPEN
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void* memccpy(void* __restrict, const void* __restrict, int, size_t);
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#endif
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/* Functions from XOPEN 420 gone into POSIX 2008. */
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#if __USE_SORTIX || 420 <= __USE_XOPEN || 200809L <= __USE_POSIX
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#ifdef __TRACE_ALLOCATION_SITES
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char* strdup_trace(struct __allocation_site*, const char*);
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#define strdup(a) strdup_trace(ALLOCATION_SITE, (a))
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#else
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char* strdup(const char*);
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#endif
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#endif
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/* Functions from POSIX 2001. */
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#if __USE_SORTIX || 200112L <= __USE_POSIX
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int ffs(int);
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char* strerror_l(int, locale_t);
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int strerror_r(int, char*, size_t);
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char* strtok_r(char* __restrict, const char* __restrict, char** __restrict);
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#endif
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/* Functions from POSIX 2008. */
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#if __USE_SORTIX || 200809L <= __USE_POSIX
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char* stpcpy(char* __restrict, const char* __restrict);
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char* stpncpy(char* __restrict, const char* __restrict, size_t);
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int strcoll_l(const char*, const char*, locale_t);
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#ifdef __TRACE_ALLOCATION_SITES
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char* strndup_trace(struct __allocation_site*, const char*, size_t);
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#define strndup(a, b) strndup_trace(ALLOCATION_SITE, (a), (b))
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#else
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char* strndup(const char*, size_t);
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#endif
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size_t strnlen(const char*, size_t);
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char* strsignal(int signum);
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size_t strxfrm_l(char* __restrict, const char* __restrict, size_t, locale_t);
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#endif
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/* Functions from POSIX 2024. */
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#if __USE_SORTIX || 202405L <= __USE_POSIX
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size_t strlcat(char* __restrict, const char* __restrict, size_t);
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size_t strlcpy(char* __restrict, const char* __restrict, size_t);
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#endif
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/* Functions copied from elsewhere. */
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#if __USE_SORTIX
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void explicit_bzero(void*, size_t);
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int ffsl(long int);
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void* memrchr(const void*, int, size_t);
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/* TODO: strcasecmp_l */
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char* strchrnul(const char* str, int c);
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char* stresep(char**, const char*, int);
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/* TODO: strncasecmp_l */
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char* strsep(char**, const char*);
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int strverscmp(const char*, const char*);
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int timingsafe_memcmp(const void*, const void*, size_t);
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#endif
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/* Functions that are Sortix extensions. */
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#if __USE_SORTIX
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int ffsll(long long int);
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#endif
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#if __USE_SORTIX
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/* Duplicate S, returning an identical alloca'd string. */
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#define strdupa(s) \
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(__extension__ \
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({ \
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const char* __old = (s); \
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size_t __len = strlen(__old) + 1; \
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char* __new = (char*) __builtin_alloca(__len); \
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(char*) memcpy(__new, __old, __len); \
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}))
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/* Return an alloca'd copy of at most N bytes of string. */
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#define strndupa(s, n) \
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(__extension__ \
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({ \
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__const char* __old = (s); \
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size_t __len = strnlen(__old, (n)); \
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char* __new = (char*) __builtin_alloca(__len + 1); \
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__new[__len] = '\0'; \
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(char*) memcpy(__new, __old, __len); \
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}))
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#endif
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif
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