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/**********************************************************************
* options.c May 2002
* Horms horms@verge.net.au
*
* Parse command line arguments
* Code based on man getopt(3), later translated to popt.
* Some code based on man popt(3)
*
* perdition
* Mail retrieval proxy server
* Copyright (C) 1999-2005 Horms
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*
**********************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include "options.h"
#ifdef DMALLOC
#include <dmalloc.h>
#endif
/**********************************************************************
* makebdb_options
* parse command line arguments
**********************************************************************/
makebdb_options_t makebdb_options(int argc, char **argv){
int c=0;
char *optarg;
poptContext context;
makebdb_options_t opt;
static struct poptOption options[] =
{
{"help", 'h', POPT_ARG_NONE, NULL, 'h', NULL, NULL},
{"undo", 'u', POPT_ARG_NONE, NULL, 'u', NULL, NULL},
{NULL, 0, 0, NULL, 0 , NULL, NULL}
};
/*Defaults*/
memset(&opt, 0, sizeof(opt));
if(argc==0 || argv==NULL) return(opt);
context= poptGetContext("perdition", argc, (const char **)argv, options, 0);
while ((c=poptGetNextOpt(context)) >= 0){
optarg=(char *)poptGetOptArg(context);
switch (c){
case 'h':
usage(0);
break;
case 'u':
opt.undo=1;
break;
}
}
if (c < -1) {
fprintf(
stderr,
"options: %s: %s\n",
poptBadOption(context, POPT_BADOPTION_NOALIAS),
poptStrerror(c)
);
}
opt.mapname = (char *)poptGetArg(context);
if((opt.mapname == NULL) || !(poptPeekArg(context) == NULL)){
usage(-1);
}
return(opt);
}
/**********************************************************************
* usage
* Display usage information and exit
* Prints to stdout if exit_status=0, stderr otherwise
**********************************************************************/
void usage(int exit_status){
FILE *stream;
if(exit_status!=0){
stream=stderr;
}
else{
stream=stdout;
}
fprintf(
stream,
"perdition version " VERSION " Copyright Horms\n"
"\n"
"Usage: makebdb [options] bdbname\n"
" options: -h, --help: print this message\n"
" -u, --undo: print content of database file, one entry a line\n"
);
exit(exit_status);
}
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