Add -p flag to disable writing of cache and temporary files

Closes #285.

1 files changed, 6 insertions, 2 deletions

diff --git a/options.c b/options.c
index 258dc37..66cfcc5 100644
--- a/options.c
+++ b/options.c
@@ -32,7 +32,7 @@ const options_t *options = (const options_t*) &_options;
 
 void print_usage(void)
 {
-	printf("usage: sxiv [-abcfhioqrtvZ] [-A FRAMERATE] [-e WID] [-G GAMMA] "
+	printf("usage: sxiv [-abcfhiopqrtvZ] [-A FRAMERATE] [-e WID] [-G GAMMA] "
 	       "[-g GEOMETRY] [-N NAME] [-n NUM] [-S DELAY] [-s MODE] [-z ZOOM] "
 	       "FILES...\n");
 }
@@ -72,8 +72,9 @@ void parse_options(int argc, char **argv)
 	_options.quiet = false;
 	_options.thumb_mode = false;
 	_options.clean_cache = false;
+	_options.private_mode = false;
 
-	while ((opt = getopt(argc, argv, "A:abce:fG:g:hin:N:oqrS:s:tvZz:")) != -1) {
+	while ((opt = getopt(argc, argv, "A:abce:fG:g:hin:N:opqrS:s:tvZz:")) != -1) {
 		switch (opt) {
 			case '?':
 				print_usage();
@@ -129,6 +130,9 @@ void parse_options(int argc, char **argv)
 			case 'o':
 				_options.to_stdout = true;
 				break;
+			case 'p':
+				_options.private_mode = true;
+				break;
 			case 'q':
 				_options.quiet = true;
 				break;