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/*
* Generic "support" routines to replace those obtained from libiberty for ld.
*
* I've collected these from random bits of (published) code I've written
* over the years, not that they are a big deal. peter@freebsd.org
*-
* Copyright (C) 1996
* Peter Wemm. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*-
* $FreeBSD$
*/
#include <sys/types.h>
#include <string.h>
#include <stdlib.h>
#include <err.h>
#include "support.h"
char *
concat(const char *s1, const char *s2, const char *s3)
{
int len = 1;
char *s;
if (s1)
len += strlen(s1);
if (s2)
len += strlen(s2);
if (s3)
len += strlen(s3);
s = xmalloc(len);
s[0] = '\0';
if (s1)
strcat(s, s1);
if (s2)
strcat(s, s2);
if (s3)
strcat(s, s3);
return s;
}
void *
xmalloc(size_t n)
{
char *p = malloc(n);
if (p == NULL)
errx(1, "Could not allocate memory");
return p;
}
void *
xrealloc(void *p, size_t n)
{
p = realloc(p, n);
if (p == NULL)
errx(1, "Could not allocate memory");
return p;
}
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