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jfr.im git - solanum.git/blob - ircd/getopt.c
2 * ircd-ratbox: A slightly useful ircd.
3 * getopt.c: Uses getopt to fetch the command line options.
5 * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
6 * Copyright (C) 1996-2002 Hybrid Development Team
7 * Copyright (C) 2002-2005 ircd-ratbox development team
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
27 #include "ircd_getopt.h"
32 parseargs(int *argc
, char * const **argv
, struct lgetopt
*opts
)
35 const char *progname
= (*argv
)[0];
37 /* loop through each argument */
50 /* check if it *is* an arg.. */
51 if((*argv
)[0][0] != OPTCHAR
)
56 /* search through our argument list, and see if it matches */
57 for (i
= 0; opts
[i
].opt
; i
++)
59 if(!strcmp(opts
[i
].opt
, &(*argv
)[0][1]))
61 /* found our argument */
64 switch (opts
[i
].argtype
)
67 *((int *) opts
[i
].argloc
) = 1;
73 "Error: option '%c%s' requires an argument\n",
74 OPTCHAR
, opts
[i
].opt
);
78 *((int *) opts
[i
].argloc
) = atoi((*argv
)[1]);
87 "error: option '%c%s' requires an argument\n",
88 OPTCHAR
, opts
[i
].opt
);
92 *((char **) opts
[i
].argloc
) =
93 malloc(strlen((*argv
)[1]) + 1);
94 strcpy(*((char **) opts
[i
].argloc
), (*argv
)[1]);
102 /*NOTREACHED*/ default:
104 "Error: internal error in parseargs() at %s:%d\n",
112 fprintf(stderr
, "error: unknown argument '%c%s'\n", OPTCHAR
, &(*argv
)[0][1]);
119 usage(const char *name
)
123 fprintf(stderr
, "Usage: %s [options]\n", name
);
124 fprintf(stderr
, "Where valid options are:\n");
126 for (i
= 0; myopts
[i
].opt
; i
++)
128 fprintf(stderr
, "\t%c%-10s %-20s%s\n", OPTCHAR
,
129 myopts
[i
].opt
, (myopts
[i
].argtype
== YESNO
130 || myopts
[i
].argtype
==
131 USAGE
) ? "" : myopts
[i
].argtype
==
132 INTEGER
? "<number>" : "<string>", myopts
[i
].desc
);