Handle empty arguments correctly

diff --git a/ccache.c b/ccache.c
index 6ed12f20d63fa131fc5e5c18d6f99eabf84cfaae..80bfee5dd3aff4b278281044f8022c24e3fd6bc2 100644 (file)
--- a/ccache.c
+++ b/ccache.c
@@ -1124,7 +1124,7 @@ static void process_args(int argc, char **argv)
                }
 
                /* these are too hard */
-               if (argv[i][0] == '@' ||
+               if (strncmp(argv[i], "@", 1) == 0 ||
                    strcmp(argv[i], "-fbranch-probabilities") == 0 ||
                    strcmp(argv[i], "--coverage") == 0 ||
                    strcmp(argv[i], "-fprofile-arcs") == 0 ||