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/* sxiv: options.c
* Copyright (c) 2012 Bert Muennich <be.muennich at googlemail.com>
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#define _POSIX_C_SOURCE 200112L
#define _IMAGE_CONFIG
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include "options.h"
#include "util.h"
#include "config.h"
options_t _options;
const options_t *options = (const options_t*) &_options;
void print_usage(void) {
printf("usage: sxiv [-bcdFfhpqrstvZ] [-g GEOMETRY] [-n NUM] "
"[-z ZOOM] FILES...\n");
}
void print_version(void) {
printf("sxiv %s - Simple X Image Viewer\n", VERSION);
}
void parse_options(int argc, char **argv) {
int opt, t;
_options.recursive = false;
_options.startnum = 0;
_options.scalemode = SCALE_MODE;
_options.zoom = 1.0;
_options.aa = true;
_options.fixed_win = false;
_options.fullscreen = false;
_options.hide_bar = false;
_options.geometry = NULL;
_options.quiet = false;
_options.thumb_mode = false;
_options.clean_cache = false;
while ((opt = getopt(argc, argv, "bcdFfg:hn:pqrstvZz:")) != -1) {
switch (opt) {
case '?':
print_usage();
exit(EXIT_FAILURE);
case 'b':
_options.hide_bar = true;
break;
case 'c':
_options.clean_cache = true;
break;
case 'd':
_options.scalemode = SCALE_DOWN;
break;
case 'F':
_options.fixed_win = true;
break;
case 'f':
_options.fullscreen = true;
break;
case 'g':
_options.geometry = optarg;
break;
case 'h':
print_usage();
exit(EXIT_SUCCESS);
case 'n':
if (sscanf(optarg, "%d", &t) <= 0 || t < 1) {
fprintf(stderr, "sxiv: invalid argument for option -n: %s\n",
optarg);
exit(EXIT_FAILURE);
} else {
_options.startnum = t - 1;
}
break;
case 'p':
_options.aa = false;
break;
case 'q':
_options.quiet = true;
break;
case 'r':
_options.recursive = true;
break;
case 's':
_options.scalemode = SCALE_FIT;
break;
case 't':
_options.thumb_mode = true;
break;
case 'v':
print_version();
exit(EXIT_SUCCESS);
case 'Z':
_options.scalemode = SCALE_ZOOM;
_options.zoom = 1.0;
break;
case 'z':
_options.scalemode = SCALE_ZOOM;
if (sscanf(optarg, "%d", &t) <= 0 || t <= 0) {
fprintf(stderr, "sxiv: invalid argument for option -z: %s\n",
optarg);
exit(EXIT_FAILURE);
}
_options.zoom = (float) t / 100.0;
break;
}
}
_options.filenames = argv + optind;
_options.filecnt = argc - optind;
_options.from_stdin = _options.filecnt == 1 &&
STREQ(_options.filenames[0], "-");
}
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