shared.c: avoid memory leak during diff

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/shared.c b/shared.c
index 9362d21..6adf2b6 100644
--- a/shared.c
+++ b/shared.c
@@ -277,8 +277,12 @@ int cgit_diff_files(const unsigned char *old_sha1,
 
 	if ((file1.ptr && buffer_is_binary(file1.ptr, file1.size)) ||
 	    (file2.ptr && buffer_is_binary(file2.ptr, file2.size))) {
 		*binary = 1;
+		if (file1.size)
+			free(file1.ptr);
+		if (file2.size)
+			free(file2.ptr);
 		return 0;
 	}
 
 	memset(&diff_params, 0, sizeof(diff_params));
@@ -289,8 +293,12 @@ int cgit_diff_files(const unsigned char *old_sha1,
 	emit_params.flags = XDL_EMIT_FUNCNAMES;
 	emit_cb.outf = filediff_cb;
 	emit_cb.priv = fn;
 	xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb);
+	if (file1.size)
+		free(file1.ptr);
+	if (file2.size)
+		free(file2.ptr);
 	return 0;
 }
 
 void cgit_diff_tree(const unsigned char *old_sha1,