59 lines
2.2 KiB
Plaintext
59 lines
2.2 KiB
Plaintext
/*
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* cmdline.h -- generic commandline editing (uses getopt, only short)
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*
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* Copyright (c) 1999 Alessandro Rubini (rubini@gnu.org)
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* Copyright (c) 1999 Prosa Srl. (prosa@prosa.it)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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/*
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* The options may have different arguments of different type
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*/
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enum option_type {
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CMDLINE_NONE=0, /* no argument after option */
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CMDLINE_I, /* integer (any base) */
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CMDLINE_D, /* decimal integer */
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CMDLINE_X, /* hex integer */
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CMDLINE_O, /* octal integer */
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CMDLINE_S, /* string */
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CMDLINE_F, /* double float */
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CMDLINE_P, /* pointer */
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};
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struct commandline {
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int option; /* Single byte: option id */
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int type; /* Type of argument, used in sscanf */
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void *result; /* Store data here, if non null */
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int (*fun)(void *); /* Call if defined: arg is "result" or input string */
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char *env; /* Where to get runtime defaults, may be NULL */
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char *default_v; /* The compile-time default, may be NULL */
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char *descrip; /* For err msg. May have %s's for default and env */
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};
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/* returns: 0 or -1. "optarg" is global (see getopt) */
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extern int commandline(struct commandline *args,
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int argc, char **argv, char *errorhead);
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/* prints an error message based on "args" */
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extern int commandline_errormsg(FILE *f, struct commandline *args,
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char *prgname, char *messagehead);
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