1 /* $NetBSD: efun.c,v 1.6 2008/04/28 20:23:02 martin 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 #include <sys/cdefs.h>
41 static void (*efunc)(int, const char *, ...) = err;
44 efun_exit(int status, const char *a __unused, ...)
50 esetfunc(void (*ef)(int, const char *, ...)))(int, const char *, ...)
52 void (*of)(int, const char *, ...) = efunc;
53 efunc = (ef == NULL) ? efun_exit : ef;
58 estrlcpy(char *dst, const char *src, size_t len)
61 if ((rv = strlcpy(dst, src, len)) >= len) {
64 "Cannot copy string; %zu chars needed %zu provided",
71 estrlcat(char *dst, const char *src, size_t len)
74 if ((rv = strlcat(dst, src, len)) >= len) {
77 "Cannot append to string; %zu chars needed %zu provided",
84 estrdup(const char *s)
88 (*efunc)(1, "Cannot copy string");
93 estrndup(const char *s, size_t len)
95 char *d = strndup(s, len);
97 (*efunc)(1, "Cannot copy string");
106 (*efunc)(1, "Cannot allocate %zu bytes", n);
111 ecalloc(size_t n, size_t s)
113 void *p = calloc(n, s);
115 (*efunc)(1, "Cannot allocate %zu bytes", n);
120 erealloc(void *p, size_t n)
122 void *q = realloc(p, n);
124 (*efunc)(1, "Cannot re-allocate %zu bytes", n);
129 easprintf(char ** __restrict ret, const char * __restrict format, ...)
133 va_start(ap, format);
134 if ((rv = vasprintf(ret, format, ap)) == -1)
135 (*efunc)(1, "Cannot format string");