From: Ben Harris <bjh21@bjh21.me.uk>
Date: Thu, 22 Nov 2018 23:08:56 +0000 (+0000)
Subject: Use snprintf() in place of sprintf().
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~bjharris/git?a=commitdiff_plain;h=81253218990a3408d0fb8d385bbf71fff69c6494;p=clunk.git

Use snprintf() in place of sprintf().

It shouldn't be necessary, but it seems polite.
---

diff --git a/clunk.c b/clunk.c
index 2012b4b..c6b847a 100644
--- a/clunk.c
+++ b/clunk.c
@@ -69,8 +69,8 @@ record_tick()
 		displayed.tm_min -= 60;
 	}
 	displayed.tm_hour %= 12;
-	sprintf(buf, "%2d:%02d:%02d\n",
-		displayed.tm_hour, displayed.tm_min, displayed.tm_sec);
+	snprintf(buf, 10, "%2d:%02d:%02d\n",
+		 displayed.tm_hour, displayed.tm_min, displayed.tm_sec);
 	if (statefd != -1) {
 		ret = pwrite(statefd, buf, 9, 0);
 		if (ret == -1)