1 /* $NetBSD: make_malloc.h,v 1.10 2020/08/29 16:47:45 rillig Exp $ */
4 * Copyright (c) 2009 The NetBSD Foundation, Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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30 void *bmake_malloc(size_t);
31 void *bmake_realloc(void *, size_t);
32 char *bmake_strdup(const char *);
33 char *bmake_strldup(const char *, size_t);
36 #define bmake_malloc(x) emalloc(x)
37 #define bmake_realloc(x,y) erealloc(x,y)
38 #define bmake_strdup(x) estrdup(x)
39 #define bmake_strldup(x,y) estrndup(x,y)
41 char *bmake_strsedup(const char *, const char *);
43 /* Thin wrapper around free(3) to avoid the extra function call in case
44 * p is NULL, which on x86_64 costs about 12 machine instructions.
45 * Other platforms are similarly affected.
47 * The case of a NULL pointer happens especially often after Var_Value,
48 * since only environment variables need to be freed, but not others. */
49 static inline void MAKE_ATTR_UNUSED