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/*********************************************************************
This file is part of the argtable2 library.
Copyright (C) 1998-2001,2003-2011 Stewart Heitmann
sheitmann@users.sourceforge.net
The argtable2 library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This software 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
USA.
**********************************************************************/
#include "../src/argtable2.h"
int main(int argc, char **argv)
{
struct arg_lit *a = arg_lit0(NULL,"hello,world", "either --hello or --world or none");
struct arg_lit *b = arg_lit0("bB",NULL, "either -b or -B or none");
struct arg_lit *c = arg_lit1("cC",NULL, "either -c or -C");
struct arg_lit *d = arg_litn("dD","delta",2,4, "-d|-D|--delta 2..4 occurences");
struct arg_lit *help = arg_lit0(NULL,"help","print this help and exit");
struct arg_end *end = arg_end(20);
void* argtable[] = {a,b,c,d,help,end};
int nerrors;
int exitcode=0;
int i;
/* print the command line */
for (i=0; i<argc; i++)
printf("%s ",argv[i]);
printf("\n");
/* verify the argtable[] entries were allocated sucessfully */
if (arg_nullcheck(argtable) != 0)
{
/* NULL entries were detected, some allocations must have failed */
printf("%s: insufficient memory\n",argv[0]);
exitcode=1;
goto exit;
}
/* Parse the command line as defined by argtable[] */
nerrors = arg_parse(argc,argv,argtable);
/* special case: '--help' takes precedence over error reporting */
if (help->count > 0)
{
printf("Usage: %s ", argv[0]);
arg_print_syntax(stdout,argtable,"\n");
arg_print_glossary(stdout,argtable," %-25s %s\n");
exitcode=0;
goto exit;
}
/* If the parser returned any errors then display them and exit */
if (nerrors > 0)
{
/* Display the error details contained in the arg_end struct.*/
arg_print_errors(stdout,end,argv[0]);
exitcode=1;
goto exit;
}
/* parsing complete */
printf("a->count=%d\n",a->count);
printf("b->count=%d\n",b->count);
printf("c->count=%d\n",c->count);
printf("d->count=%d\n",d->count);
exit:
/* deallocate each non-null entry in argtable[] */
arg_freetable(argtable,sizeof(argtable)/sizeof(argtable[0]));
/* close stdin and stdout to stop memcheck whining about their memory not being freed */
fclose(stdin);
fclose(stdout);
printf("%s: exitcode=%d\n\n",argv[0],exitcode);
return exitcode;
}
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