Option handling, merged app.c & events.c into main.c

1 files changed, 60 insertions, 0 deletions

diff --git a/options.c b/options.c
new file mode 100644
index 0000000..4968d2e
--- /dev/null
+++ b/options.c
@@ -0,0 +1,60 @@
+/* sxiv: options.c
+ * Copyright (c) 2011 Bert Muennich <muennich at informatik.hu-berlin.de>
+ *
+ * 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.
+ */
+
+#define _XOPEN_SOURCE
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include "sxiv.h"
+#include "options.h"
+
+options_t _options;
+const options_t *options = (const options_t*) &_options;
+
+void print_usage() {
+	printf("usage: sxiv [-hv] FILES...\n");
+}
+
+void print_version() {
+	printf("sxiv - simple x image viewer\n");
+	printf("Version %s, written by Bert Muennich\n", VERSION);
+}
+
+int parse_options(int argc, char **argv) {
+	int opt;
+
+	_options.filenames = (const char**) argv + 1;
+	_options.filecnt = argc - 1;
+
+	while ((opt = getopt(argc, argv, "hv")) != -1) {
+		switch (opt) {
+			case '?':
+				return -1;
+			case 'h':
+				print_usage();
+				exit(0);
+			case 'v':
+				print_version();
+				exit(0);
+		}
+	}
+
+	return 0;
+}