From: Michael Tremer <michael.tremer@ipfire.org>
Date: Tue, 26 Sep 2023 13:19:17 +0000 (+0000)
Subject: string: Accept NULL as an empty replacement
X-Git-Tag: 0.9.30~1637
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2af48f9362a459216dea44a81a253e2a8b595ecf;p=pakfire.git

string: Accept NULL as an empty replacement

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

diff --git a/src/libpakfire/string.c b/src/libpakfire/string.c
index db4783aae..3edebef5c 100644
--- a/src/libpakfire/string.c
+++ b/src/libpakfire/string.c
@@ -127,11 +127,15 @@ char* pakfire_string_replace(const char* s, const char* pattern, const char* rep
 	int r;
 
 	// Check inputs
-	if (!s || !pattern || !repl) {
+	if (!s || !pattern) {
 		errno = EINVAL;
 		return NULL;
 	}
 
+	// Accept NULL for repl and replace with an empty string
+	if (!repl)
+		repl = "";
+
 	const size_t pattern_length = strlen(pattern);
 
 	// Walk through the string...