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 2ee97d1c4142ab32c26f041fa3cd75fa37e09a64..89ce5bc2853d8a435a43a63bd7b6f952650f4cf0 100644 (file)
--- 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)