NetBSD/usr.bin/make/make_malloc.h

57 lines
2.2 KiB
C

/* $NetBSD: make_malloc.h,v 1.16 2021/01/19 20:51:46 rillig Exp $ */
/*
* Copyright (c) 2009 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
#ifndef USE_EMALLOC
void *bmake_malloc(size_t);
void *bmake_realloc(void *, size_t);
char *bmake_strdup(const char *);
char *bmake_strldup(const char *, size_t);
#else
#include <util.h>
#define bmake_malloc(n) emalloc(n)
#define bmake_realloc(p, n) erealloc(p, n)
#define bmake_strdup(s) estrdup(s)
#define bmake_strldup(s, n) estrndup(s, n)
#endif
char *bmake_strsedup(const char *, const char *);
/*
* Thin wrapper around free(3) to avoid the extra function call in case
* p is NULL, to save a few machine instructions.
*
* The case of a NULL pointer happens especially often after Var_Value,
* since only environment variables need to be freed, but not others.
*/
MAKE_INLINE void
bmake_free(void *p)
{
if (p != NULL)
free(p);
}