mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-30 12:30:33 +00:00
57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/*
|
|
* hfsutils - tools for reading and writing Macintosh HFS volumes
|
|
* Copyright (C) 1996-1998 Robert Leslie
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*
|
|
* $Id: strstr.c,v 1.5 1998/04/11 08:27:00 rob Exp $
|
|
*/
|
|
|
|
# ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
# endif
|
|
|
|
/*
|
|
* NAME: strstr()
|
|
* DESCRIPTION: locate a substring
|
|
*/
|
|
char *strstr(const char *haystack, const char *needle)
|
|
{
|
|
register const char *hptr, *nptr;
|
|
|
|
if (*needle == 0)
|
|
return haystack;
|
|
|
|
while (*haystack)
|
|
{
|
|
if (*haystack++ != *needle)
|
|
continue;
|
|
|
|
hptr = haystack;
|
|
nptr = needle + 1;
|
|
|
|
while (1)
|
|
{
|
|
if (*nptr == 0)
|
|
return haystack - 1;
|
|
|
|
if (*hptr++ != *nptr++)
|
|
break;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|