Add -A option to force framerate on animated images

1 files changed, 10 insertions, 2 deletions

diff --git a/options.c b/options.c
index 4a9772c..b38c146 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] [-e WID] [-G GAMMA] [-g GEOMETRY] "
+	printf("usage: sxiv [-abcfhioqrtvZ] [-A FRAMERATE] [-e WID] [-G GAMMA] [-g GEOMETRY] "
 	       "[-N NAME] [-n NUM] [-S DELAY] [-s MODE] [-z ZOOM] FILES...\n");
 }
 
@@ -60,6 +60,7 @@ void parse_options(int argc, char **argv)
 	_options.animate = false;
 	_options.gamma = 0;
 	_options.slideshow = 0;
+	_options.framerate = 0;
 
 	_options.fullscreen = false;
 	_options.embed = 0;
@@ -71,7 +72,7 @@ void parse_options(int argc, char **argv)
 	_options.thumb_mode = false;
 	_options.clean_cache = false;
 
-	while ((opt = getopt(argc, argv, "abce:fG:g:hin:N:oqrS:s:tvZz:")) != -1) {
+	while ((opt = getopt(argc, argv, "aA:bce:fG:g:hin:N:oqrS:s:tvZz:")) != -1) {
 		switch (opt) {
 			case '?':
 				print_usage();
@@ -79,6 +80,13 @@ void parse_options(int argc, char **argv)
 			case 'a':
 				_options.animate = true;
 				break;
+			case 'A':
+				_options.animate = true;
+				n = strtol(optarg, &end, 0);
+				if (*end != '\0' || n <= 0)
+					error(EXIT_FAILURE, 0, "Invalid argument for option -A: %s", optarg);
+				_options.framerate = n;
+				break;
 			case 'b':
 				_options.hide_bar = true;
 				break;