1 /* $NetBSD: efun.c,v 1.10 2015/07/26 02:20:30 kamil Exp $ */
4 * Copyright (c) 2006 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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.
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.
32 #if HAVE_NBTOOL_CONFIG_H
33 #include "nbtool_config.h"
36 #include <sys/cdefs.h>
38 __RCSID("$NetBSD: efun.c,v 1.10 2015/07/26 02:20:30 kamil Exp $");
50 static void (*efunc)(int, const char *, ...) = err;
53 esetfunc(void (*ef)(int, const char *, ...)))(int, const char *, ...)
55 void (*of)(int, const char *, ...) = efunc;
56 efunc = ef == NULL ? (void (*)(int, const char *, ...))exit : ef;
61 estrlcpy(char *dst, const char *src, size_t len)
64 if ((rv = strlcpy(dst, src, len)) >= len) {
67 "Cannot copy string; %zu chars needed %zu provided",
74 estrlcat(char *dst, const char *src, size_t len)
77 if ((rv = strlcat(dst, src, len)) >= len) {
80 "Cannot append to string; %zu chars needed %zu provided",
87 estrdup(const char *s)
91 (*efunc)(1, "Cannot copy string");
96 estrndup(const char *s, size_t len)
98 char *d = strndup(s, len);
100 (*efunc)(1, "Cannot copy string");
108 if (p == NULL && n != 0)
109 (*efunc)(1, "Cannot allocate %zu bytes", n);
114 ecalloc(size_t n, size_t s)
116 void *p = calloc(n, s);
117 if (p == NULL && n != 0 && s != 0)
118 (*efunc)(1, "Cannot allocate %zu blocks of size %zu", n, s);
123 erealloc(void *p, size_t n)
125 void *q = realloc(p, n);
126 if (q == NULL && n != 0)
127 (*efunc)(1, "Cannot re-allocate %zu bytes", n);
132 efopen(const char *p, const char *m)
134 FILE *fp = fopen(p, m);
136 (*efunc)(1, "Cannot open `%s'", p);
141 easprintf(char ** __restrict ret, const char * __restrict format, ...)
145 va_start(ap, format);
146 if ((rv = vasprintf(ret, format, ap)) == -1)
147 (*efunc)(1, "Cannot format string");
153 evasprintf(char ** __restrict ret, const char * __restrict format, va_list ap)
156 if ((rv = vasprintf(ret, format, ap)) == -1)
157 (*efunc)(1, "Cannot format string");