| /* |
| * 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 1.4 1999-11-21 09:37:04 fenner Exp $ (LBL)"; |
| #endif |
| |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| |
| #include <sys/types.h> |
| |
| #ifdef HAVE_MALLOC_H |
| #include <malloc.h> |
| #endif |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "gnuc.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); |
| } |