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/*
Copyright (C) 2008 Free Software Foundation, Inc.
This file is part of the GNU Hurd.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#if defined(_ENABLE_TESTS) || ! defined(RM_INTERN)
# include_next <string.h>
#else
# ifndef _STRING_H
# define _STRING_H
#define __need_NULL
#define __need_size_t
#include <stddef.h>
/* TODO. Move to newlib, because that's where the ROUTINES come from? */
void *memcpy (void *, const void *, size_t);
void *memmove (void *, const void *, size_t);
void *memset (void *, int, size_t);
int strcmp (const char *, const char *);
int strncmp (const char *, const char *, size_t);
size_t strlen (const char *);
/* From glibc. */
/* 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 /* _STRING_H */
#endif /* _ENABLE_TESTS, RM_INTERN */
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