From: Eugene Syromyatnikov <evgsyr@gmail.com>
Date: Wed, 1 Mar 2017 01:25:20 +0000 (+0100)
Subject: util: return pointer to string literal directly in sprinttime
X-Git-Tag: v4.17~41
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0f07b184c8eae23d72f3aeec94fa927c2db0b1c0;p=strace

util: return pointer to string literal directly in sprinttime

There is no sense to copy it to static buffer first.

* util.c (sprinttime): Just return "0", do not copy it to internal
buffer first.
---

diff --git a/util.c b/util.c
index 9144efb6..31336a42 100644
--- a/util.c
+++ b/util.c
@@ -550,10 +550,8 @@ sprinttime(time_t t)
 	struct tm *tmp;
 	static char buf[sizeof(int) * 3 * 6 + sizeof("+0000")];
 
-	if (t == 0) {
-		strcpy(buf, "0");
-		return buf;
-	}
+	if (t == 0)
+		return "0";
 	tmp = localtime(&t);
 	if (tmp)
 		strftime(buf, sizeof(buf), "%FT%T%z", tmp);