From: Michael Tremer <michael.tremer@ipfire.org>
Date: Mon, 6 Jan 2025 21:34:44 +0000 (+0000)
Subject: strings: setn: Don't copy anything if length is zero
X-Git-Tag: 0.9.30~512
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6db61c0268da19e8b657f1079260691a4d543de8;p=pakfire.git

strings: setn: Don't copy anything if length is zero

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/pakfire/string.c b/src/pakfire/string.c
index 00e8233c7..728b326db 100644
--- a/src/pakfire/string.c
+++ b/src/pakfire/string.c
@@ -76,7 +76,8 @@ int __pakfire_string_setn(char* s, const size_t length, const char* value, const
 		return -ENOBUFS;
 
 	// Copy the data
-	memcpy(s, value, l);
+	else if (l > 0)
+		memcpy(s, value, l);
 
 	// Terminate the result buffer
 	s[l] = '\0';