mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-24 11:29:10 +00:00
69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
/*
|
|
* Copyright (c) 1997
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that: (1) source code distributions
|
|
* retain the above copyright notice and this paragraph in its entirety, (2)
|
|
* distributions including binary code include the above copyright notice and
|
|
* this paragraph in its entirety in the documentation or other materials
|
|
* provided with the distribution, and (3) all advertising materials mentioning
|
|
* features or use of this software display the following acknowledgement:
|
|
* ``This product includes software developed by the University of California,
|
|
* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
|
|
* the University nor the names of its contributors may be used to endorse
|
|
* or promote products derived from this software without specific prior
|
|
* written permission.
|
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
|
|
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static const char rcsid[] =
|
|
"@(#) $Header: /tcpdump/master/tcpdump/Attic/savestr.c,v 1.6 2000/07/11 00:49:02 assar Exp $ (LBL)";
|
|
#endif
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#ifdef HAVE_OS_PROTO_H
|
|
#include "os-proto.h"
|
|
#endif
|
|
|
|
#include "savestr.h"
|
|
|
|
/* A replacement for strdup() that cuts down on malloc() overhead */
|
|
char *
|
|
savestr(register const char *str)
|
|
{
|
|
register u_int size;
|
|
register char *p;
|
|
static char *strptr = NULL;
|
|
static u_int strsize = 0;
|
|
|
|
size = strlen(str) + 1;
|
|
if (size > strsize) {
|
|
strsize = 1024;
|
|
if (strsize < size)
|
|
strsize = size;
|
|
strptr = (char *)malloc(strsize);
|
|
if (strptr == NULL) {
|
|
fprintf(stderr, "savestr: malloc\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
(void)strcpy(strptr, str);
|
|
p = strptr;
|
|
strptr += size;
|
|
strsize -= size;
|
|
return (p);
|
|
}
|