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/*
* STRARG.C
*
* (c)Copyright 1991 by Tobias Ferber, All Rights Reserved
*
* This file 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 1 of the License,
* or (at your option) any later version.
*
* This file 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; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $VER: $Id: strarg.c,v 1.1 2001-07-18 11:05:53 root Exp $ */
#include <ctype.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
/*
* strarg() sucht den angebenenen String `key' in der Liste der auf ihn
* folgenden Argumente. Diese Liste mu mit einem "" oder einem (char *)0
* enden. Es wird die Nummer des ersten Arguments zurckgegeben, das
* lexikographisch gleich `key' ist.
* Das Ergebnis ist 0, wenn `key' nicht in dieser Liste vorkommt.
*/
int strarg(char *key, ...)
{
int result = 0;
int gotit = 0;
va_list argp;
va_start(argp,key);
if(key && *key)
{
for(result= gotit= 0; !gotit; result++)
{
char *arg= va_arg(argp, char *);
if( arg )
{
if( !strcmp(arg,key) )
gotit= 1;
else if( !(*arg) )
break;
}
else break;
}
}
va_end(argp);
return gotit ? result : 0;
}
#ifdef TEST
#include <stdio.h>
int main(int argc, char *argv[])
{
if(argc > 1)
printf( "%d\n", strarg(argv[1], "tobi", "gnu", "foo", "bar", "gnubbel", "42", "blubb", "") );
return 0;
}
#endif /*TEST*/
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