1 /* $NetBSD: efun.c,v 1.6 2008/04/28 20:23:02 martin Exp $ */
2
3 /*-
4 * Copyright (c) 2006 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #ifndef _BMAKE_UTIL_H_
33 #define _BMAKE_UTIL_H_
34
35 #include <sys/cdefs.h>
36 #include <err.h>
37 #include <errno.h>
38 #include <string.h>
39 #include <stdlib.h>
40 #include <stdio.h>
41 #include <stdarg.h>
42
43 static void (*efunc)(int, const char *, ...) = err;
44
45 static __inline __always_inline char *
estrdup(const char * s)46 estrdup(const char *s)
47 {
48 char *d = strdup(s);
49 if (d == NULL)
50 (*efunc)(1, "Cannot copy string");
51 return d;
52 }
53
54 static __inline __always_inline char *
estrndup(const char * s,size_t len)55 estrndup(const char *s, size_t len)
56 {
57 char *d = strndup(s, len);
58 if (d == NULL)
59 (*efunc)(1, "Cannot copy string");
60 return d;
61 }
62
63 static __inline __always_inline void *
emalloc(size_t n)64 emalloc(size_t n)
65 {
66 void *p = malloc(n);
67 if (p == NULL)
68 (*efunc)(1, "Cannot allocate %zu bytes", n);
69 return p;
70 }
71
72 static __inline __always_inline void *
ecalloc(size_t n,size_t s)73 ecalloc(size_t n, size_t s)
74 {
75 void *p = calloc(n, s);
76 if (p == NULL)
77 (*efunc)(1, "Cannot allocate %zu bytes", n);
78 return p;
79 }
80
81 static __inline __always_inline void *
erealloc(void * p,size_t n)82 erealloc(void *p, size_t n)
83 {
84 void *q = realloc(p, n);
85 if (q == NULL)
86 (*efunc)(1, "Cannot re-allocate %zu bytes", n);
87 return q;
88 }
89
90 #endif /* _BMAKE_UTIL_H_ */
91