quakeforge/libs/util/string.c

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/*
string.c
A string helper function
Copyright (C) 2001 Adam Olsen
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
static const char rcsid[] =
"$Id$";
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <string.h>
#include "compat.h"
/*
Q_strcasestr
case-insensitive version of strstr
*/
const char *
Q_strcasestr (const char *haystack, const char *needle)
{
size_t len = strlen (needle);
while (*haystack) {
if (!strncasecmp (haystack, needle, len))
return haystack;
haystack++;
}
return 0;
}
/*
Q_strnlen
strlen with a cutoff
*/
size_t
Q_strnlen (const char *s, size_t maxlen)
{
size_t i;
for (i = 0; i < maxlen && s[i]; i++);
return i;
}