mirror of
https://github.com/matrix-construct/construct
synced 2024-12-30 17:34:04 +01:00
140 lines
3.1 KiB
C
140 lines
3.1 KiB
C
/*
|
|
* ircd-ratbox: A slightly useful ircd.
|
|
* getopt.c: Uses getopt to fetch the command line options.
|
|
*
|
|
* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
|
|
* Copyright (C) 1996-2002 Hybrid Development Team
|
|
* Copyright (C) 2002-2005 ircd-ratbox development team
|
|
*
|
|
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
|
|
* USA
|
|
*
|
|
* $Id: getopt.c 6 2005-09-10 01:02:21Z nenolod $
|
|
*/
|
|
|
|
#include "stdinc.h"
|
|
|
|
#include "ircd_getopt.h"
|
|
|
|
# define OPTCHAR '-'
|
|
|
|
void
|
|
parseargs(int *argc, char ***argv, struct lgetopt *opts)
|
|
{
|
|
int i;
|
|
char *progname = (*argv)[0];
|
|
|
|
/* loop through each argument */
|
|
for (;;)
|
|
{
|
|
int found = 0;
|
|
|
|
(*argc)--;
|
|
(*argv)++;
|
|
|
|
if(*argc < 1)
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* check if it *is* an arg.. */
|
|
if((*argv)[0][0] != OPTCHAR)
|
|
{
|
|
return;
|
|
}
|
|
|
|
(*argv)[0]++;
|
|
|
|
/* search through our argument list, and see if it matches */
|
|
for (i = 0; opts[i].opt; i++)
|
|
{
|
|
if(!strcmp(opts[i].opt, (*argv)[0]))
|
|
{
|
|
/* found our argument */
|
|
found = 1;
|
|
|
|
switch (opts[i].argtype)
|
|
{
|
|
case YESNO:
|
|
*((int *) opts[i].argloc) = 1;
|
|
break;
|
|
case INTEGER:
|
|
if(*argc < 2)
|
|
{
|
|
fprintf(stderr,
|
|
"Error: option '%c%s' requires an argument\n",
|
|
OPTCHAR, opts[i].opt);
|
|
usage((*argv)[0]);
|
|
}
|
|
|
|
*((int *) opts[i].argloc) = atoi((*argv)[1]);
|
|
|
|
(*argc)--;
|
|
(*argv)++;
|
|
break;
|
|
case STRING:
|
|
if(*argc < 2)
|
|
{
|
|
fprintf(stderr,
|
|
"error: option '%c%s' requires an argument\n",
|
|
OPTCHAR, opts[i].opt);
|
|
usage(progname);
|
|
}
|
|
|
|
*((char **) opts[i].argloc) =
|
|
malloc(strlen((*argv)[1]) + 1);
|
|
strcpy(*((char **) opts[i].argloc), (*argv)[1]);
|
|
|
|
(*argc)--;
|
|
(*argv)++;
|
|
break;
|
|
|
|
case USAGE:
|
|
usage(progname);
|
|
/*NOTREACHED*/ default:
|
|
fprintf(stderr,
|
|
"Error: internal error in parseargs() at %s:%d\n",
|
|
__FILE__, __LINE__);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
}
|
|
if(!found)
|
|
{
|
|
fprintf(stderr, "error: unknown argument '%c%s'\n", OPTCHAR, (*argv)[0]);
|
|
usage(progname);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
usage(char *name)
|
|
{
|
|
int i = 0;
|
|
|
|
fprintf(stderr, "Usage: %s [options]\n", name);
|
|
fprintf(stderr, "Where valid options are:\n");
|
|
|
|
for (i = 0; myopts[i].opt; i++)
|
|
{
|
|
fprintf(stderr, "\t%c%-10s %-20s%s\n", OPTCHAR,
|
|
myopts[i].opt, (myopts[i].argtype == YESNO
|
|
|| myopts[i].argtype ==
|
|
USAGE) ? "" : myopts[i].argtype ==
|
|
INTEGER ? "<number>" : "<string>", myopts[i].desc);
|
|
}
|
|
|
|
exit(EXIT_FAILURE);
|
|
}
|