1 /* $NetBSD: efun.c,v 1.10 2015/07/26 02:20:30 kamil Exp $ */
5 * Copyright (c) 2006 The NetBSD Foundation, Inc.
8 * This code is derived from software contributed to The NetBSD Foundation
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
33 #if HAVE_NBTOOL_CONFIG_H
34 #include "nbtool_config.h"
37 #include <sys/cdefs.h>
39 __RCSID("$NetBSD: efun.c,v 1.10 2015/07/26 02:20:30 kamil Exp $");
51 static void (*efunc)(int, const char *, ...) = err;
54 esetfunc(void (*ef)(int, const char *, ...)))(int, const char *, ...)
56 void (*of)(int, const char *, ...) = efunc;
57 efunc = ef == NULL ? (void (*)(int, const char *, ...))exit : ef;
62 estrlcpy(char *dst, const char *src, size_t len)
65 if ((rv = strlcpy(dst, src, len)) >= len) {
68 "Cannot copy string; %zu chars needed %zu provided",
75 estrlcat(char *dst, const char *src, size_t len)
78 if ((rv = strlcat(dst, src, len)) >= len) {
81 "Cannot append to string; %zu chars needed %zu provided",
88 estrdup(const char *s)
92 (*efunc)(1, "Cannot copy string");
97 estrndup(const char *s, size_t len)
99 char *d = strndup(s, len);
101 (*efunc)(1, "Cannot copy string");
109 if (p == NULL && n != 0)
110 (*efunc)(1, "Cannot allocate %zu bytes", n);
115 ecalloc(size_t n, size_t s)
117 void *p = calloc(n, s);
118 if (p == NULL && n != 0 && s != 0)
119 (*efunc)(1, "Cannot allocate %zu blocks of size %zu", n, s);
124 erealloc(void *p, size_t n)
126 void *q = realloc(p, n);
127 if (q == NULL && n != 0)
128 (*efunc)(1, "Cannot re-allocate %zu bytes", n);
133 efopen(const char *p, const char *m)
135 FILE *fp = fopen(p, m);
137 (*efunc)(1, "Cannot open `%s'", p);
142 easprintf(char ** __restrict ret, const char * __restrict format, ...)
146 va_start(ap, format);
147 if ((rv = vasprintf(ret, format, ap)) == -1)
148 (*efunc)(1, "Cannot format string");
154 evasprintf(char ** __restrict ret, const char * __restrict format, va_list ap)
157 if ((rv = vasprintf(ret, format, ap)) == -1)
158 (*efunc)(1, "Cannot format string");