From: Michael Tremer <michael.tremer@ipfire.org>
Date: Tue, 23 Aug 2022 12:54:12 +0000 (+0000)
Subject: hexdump: Don't try to dump any empty memory
X-Git-Tag: 0.9.15~16
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6c27aec2469d6687a9252fdd348423f465664fa5;p=location%2Flibloc.git

hexdump: Don't try to dump any empty memory

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

diff --git a/src/libloc/private.h b/src/libloc/private.h
index 2ee97d1..89ce5bc 100644
--- a/src/libloc/private.h
+++ b/src/libloc/private.h
@@ -66,6 +66,9 @@ static inline void hexdump(struct loc_ctx* ctx, const void* addr, size_t len) {
 
 	DEBUG(ctx, "Dumping %zu byte(s)\n", len);
 
+	if (!len)
+		return;
+
 	// Process every byte in the data
 	for (i = 0; i < len; i++) {
 		// Multiple of 16 means new line (with line offset)