commit 095f539bbb36a47f2492d036947233b1c915e055
parent 95747b1a8ef7e093b7c9fcf51e4e4796316ab811
Author: Oscar Benedito <oscar@oscarbenedito.com>
Date:   Mon, 29 Mar 2021 22:31:46 +0200

Fix bug when fgets exits with error

Diffstat:

Mdwmblocks.c | 3++-


1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dwmblocks.c b/dwmblocks.c
@@ -60,7 +60,8 @@ void getcmd(const Block *block, char *output)
 	FILE *cmdf = popen(block->command, "r");
 	if (!cmdf)
 		return;
-	fgets(output, CMDLENGTH-strlen(delim), cmdf);
+	if (fgets(output, CMDLENGTH-strlen(delim), cmdf) == NULL)
+		output[0] = '\0';
 	pclose(cmdf);
 
 	i = strlen(output);