/* * Copyright (c) 2005 Martin Decky * Copyright (c) 2018 Jiri Svoboda * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @addtogroup libc * @{ */ /** @file */ #ifndef _LIBC_MEM_H_ #define _LIBC_MEM_H_ #include <stddef.h> #include <_bits/decls.h> __C_DECLS_BEGIN; extern void *memset(void *, int, size_t) __attribute__((nonnull(1))); extern void *memcpy(void *, const void *, size_t) __attribute__((nonnull(1, 2))); extern void *memmove(void *, const void *, size_t) __attribute__((nonnull(1, 2))); extern int memcmp(const void *, const void *, size_t) __attribute__((nonnull(1, 2))); extern void *memchr(const void *, int, size_t) __attribute__((nonnull(1))); __C_DECLS_END; #if !__STDC_HOSTED__ #define memset(dst, val, cnt) __builtin_memset((dst), (val), (cnt)) #define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt)) #define memcmp(s1, s2, cnt) __builtin_memcmp((s1), (s2), (cnt)) #define memmove(dst, src, cnt) __builtin_memmove((dst), (src), (cnt)) #define memchr(s, c, cnt) __builtin_memchr((s), (c), (cnt)) #endif #endif /** @} */