mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-11-28 19:52:44 +00:00
87 lines
2.2 KiB
C
87 lines
2.2 KiB
C
/*
|
|
* 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(s1, s2, s3)
|
|
const char *s1, *s2, *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(n)
|
|
size_t n;
|
|
{
|
|
char *p = malloc(n);
|
|
|
|
if (p == NULL)
|
|
errx(1, "Could not allocate memory");
|
|
|
|
return p;
|
|
}
|
|
|
|
void *
|
|
xrealloc(p, n)
|
|
void *p;
|
|
size_t n;
|
|
{
|
|
p = realloc(p, n);
|
|
|
|
if (p == NULL)
|
|
errx(1, "Could not allocate memory");
|
|
|
|
return p;
|
|
}
|