src/tmx.c: Silence some compiler warnings.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/tmx.c b/src/tmx.c
index 731f76c..4695a9e 100644
--- a/src/tmx.c
+++ b/src/tmx.c
@@ -119,9 +119,13 @@ tmx_start_image(struct tmx *cur_tmx, const char **attr)
 		err(1, "Malformed TMX file");
 	}
 
+	source = NULL;
 	foreach_tmx_attr (attr) {
 		tmx_get_string_attr(attr, "source", source);
 	}
+	if (source == NULL) {
+		err(1, "No \"source\" attribute found in \"image\" tag");
+	}
 
 	/* TODO: Move to end tag handler and check for "loadimage" property. */
 	path = malloc(strlen(cur_tmx->dirname) + strlen(source) + 2);
@@ -265,6 +269,10 @@ tmx_end_data(struct tmx *cur_tmx)
 		}
 		decompress(decoded_buf, decoded_len, decomp_buf, decomp_len);
 		free(decoded_buf);
+	} else {
+		/* This should never happen.  This branch exists only to silence
+		 * GCC's maybe-uninitialized warning on decomp_buf below. */
+		return;
 	}
 
 	free(cur_tmx->layer_data);