musl/include/string.h
Rich Felker 769fd4ce20 feature test macros: make _GNU_SOURCE enable everything
previously, a few BSD features were enabled only by _BSD_SOURCE, not
by _GNU_SOURCE. since _BSD_SOURCE is default in the absence of other
feature test macros, this made adding _GNU_SOURCE to a project not a
purely additive feature test macro; it actually caused some features
to be suppressed.

most of the changes made by this patch actually bring musl in closer
alignment with the glibc behavior for _GNU_SOURCE. the only exceptions
are the added visibility of functions like strlcpy which were BSD-only
due to being disliked/rejected by glibc maintainers. here, I feel the
consistency of having _GNU_SOURCE mean "everything", and especially
the property of it being purely additive, are more valuable than
hiding functions which glibc does not have.
2012-12-03 16:57:01 -05:00

108 lines
3.0 KiB
C

#ifndef _STRING_H
#define _STRING_H
#ifdef __cplusplus
extern "C" {
#endif
#include <features.h>
#undef NULL
#ifdef __cplusplus
#define NULL 0
#else
#define NULL ((void*)0)
#endif
#define __NEED_size_t
#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
|| defined(_BSD_SOURCE)
#define __NEED_locale_t
#endif
#include <bits/alltypes.h>
void *memcpy (void *__restrict, const void *__restrict, size_t);
void *memmove (void *, const void *, size_t);
void *memset (void *, int, size_t);
int memcmp (const void *, const void *, size_t);
void *memchr (const void *, int, size_t);
char *strcpy (char *__restrict, const char *__restrict);
char *strncpy (char *__restrict, const char *__restrict, size_t);
char *strcat (char *__restrict, const char *__restrict);
char *strncat (char *__restrict, const char *__restrict, size_t);
int strcmp (const char *, const char *);
int strncmp (const char *, const char *, size_t);
int strcoll (const char *, const char *);
size_t strxfrm (char *__restrict, const char *__restrict, size_t);
char *strchr (const char *, int);
char *strrchr (const char *, int);
size_t strcspn (const char *, const char *);
size_t strspn (const char *, const char *);
char *strpbrk (const char *, const char *);
char *strstr (const char *, const char *);
char *strtok (char *__restrict, const char *__restrict);
size_t strlen (const char *);
char *strerror (int);
#if defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
#include <strings.h>
#endif
#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
|| defined(_BSD_SOURCE)
char *strtok_r (char *__restrict, const char *__restrict, char **__restrict);
int strerror_r (int, char *, size_t);
char *stpcpy(char *__restrict, const char *__restrict);
char *stpncpy(char *__restrict, const char *__restrict, size_t);
size_t strnlen (const char *, size_t);
char *strdup (const char *);
char *strndup (const char *, size_t);
char *strsignal(int);
char *strerror_l (int, locale_t);
int strcoll_l (const char *, const char *, locale_t);
size_t strxfrm_l (char *__restrict, const char *__restrict, size_t, locale_t);
#endif
#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
|| defined(_BSD_SOURCE)
void *memccpy (void *__restrict, const void *__restrict, int, size_t);
#endif
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
char *strsep(char **, const char *);
size_t strlcat (char *, const char *, size_t);
size_t strlcpy (char *, const char *, size_t);
#endif
#ifdef _GNU_SOURCE
#define strdupa(x) strcpy(alloca(strlen(x)+1),x)
int strverscmp (const char *, const char *);
int strcasecmp_l (const char *, const char *, locale_t);
int strncasecmp_l (const char *, const char *, size_t, locale_t);
char *strchrnul(const char *, int);
char *strcasestr(const char *, const char *);
void *memmem(const void *, size_t, const void *, size_t);
void *memrchr(const void *, int, size_t);
void *mempcpy(void *, const void *, size_t);
#ifndef __cplusplus
char *basename();
#endif
#endif
#ifdef __cplusplus
}
#endif
#endif