From 9574150f2d54790a9482e9c49f118f99ab84c552 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bert=20M=C3=BCnnich?= Date: Wed, 8 Jan 2014 20:31:50 +0100 Subject: Check file modification time after key handler --- main.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/main.c b/main.c index a46cc8a..d17e2db 100644 --- a/main.c +++ b/main.c @@ -459,6 +459,7 @@ void key_handler(const char *key, unsigned int mask) pid_t pid; int retval, status, n = mode == MODE_IMAGE ? fileidx : tns.sel; char *cmd = exec[EXEC_KEY].cmd, kstr[32]; + struct stat oldstat, newstat; if (cmd == NULL || key == NULL) return; @@ -468,6 +469,8 @@ void key_handler(const char *key, unsigned int mask) mask & Mod1Mask ? "M-" : "", mask & ShiftMask ? "S-" : "", key); + stat(files[n].path, &oldstat); + if ((pid = fork()) == 0) { execl(cmd, cmd, kstr, files[n].path, NULL); warn("could not exec key handler"); @@ -482,6 +485,13 @@ void key_handler(const char *key, unsigned int mask) retval = WEXITSTATUS(status); if (WIFEXITED(status) == 0 || retval != 0) warn("key handler exited with non-zero return value: %d", retval); + + if (stat(files[n].path, &newstat) == 0 && + memcmp(&oldstat, &newstat, sizeof(oldstat)) == 0) + { + /* file has not changed */ + return; + } if (mode == MODE_IMAGE) { img_close(&img, true); load_image(fileidx); -- cgit v1.2.3