fix #2037 fail if compared file size is 0

radareorg · May 5, 2015 · 0c8837d · 0c8837d
1 parent ccfae11
commit 0c8837d
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/libr/core/cmd_cmp.c b/libr/core/cmd_cmp.c
@@ -483,6 +483,11 @@ static int cmd_cmp(void *data, const char *input) {
 				}
 			}
 
+			if (r_file_size (file2) <= 0) {
+				eprintf ("Cannot compare with file %s\n", file2);
+				return R_FALSE;
+			}
+
 			if (!(core2 = r_core_new ())) {
 				eprintf ("Cannot init diff core\n");
 				return R_FALSE;