From: Christoph Lohmann <20h@r-36.net>
Date: Sun, 29 Jan 2023 11:15:22 +0000 (+0100)
Subject: Close fd if there was an empty return.
X-Git-Url: http://git.subgeniuskitty.com/dwm-status/.git/commitdiff_plain/81cdc8f4a2528374842049c214937349b30fbebc

Close fd if there was an empty return.

* Not closing will use up all file descriptors over time.
---

diff --git a/dwmstatus.c b/dwmstatus.c
index a8cd4ac..1b53292 100644
--- a/dwmstatus.c
+++ b/dwmstatus.c
@@ -106,8 +106,10 @@ readfile(char *base, char *file)
 	if (fd == NULL)
 		return NULL;
 
-	if (fgets(line, sizeof(line)-1, fd) == NULL)
+	if (fgets(line, sizeof(line)-1, fd) == NULL) {
+		fclose(fd);
 		return NULL;
+	}
 	fclose(fd);
 
 	return smprintf("%s", line);