Reduce code duplication.

diff --git a/format_check.c b/format_check.c
index 2a4cd6c..3440a02 100644 (file)
--- a/format_check.c
+++ b/format_check.c
@@ -472,8 +472,7 @@ eval_fmt_mod_unsigned:
                        default:
                                warningf(WARN_FORMAT, pos, "encountered unknown conversion specifier '%%%c' at position %u", fmt, num_fmt);
                                if (arg == NULL) {
-                                       warningf(WARN_FORMAT, pos, "too few arguments for format string");
-                                       return -1;
+                                       goto too_few_args;
                                }
                                goto next_arg;
                }
@@ -494,6 +493,7 @@ eval_fmt_mod_unsigned:
                }
 
                if (arg == NULL) {
+too_few_args:
                        warningf(WARN_FORMAT, pos, "too few arguments for format string");
                        return -1;
                }
@@ -826,14 +826,13 @@ static void check_scanf_format(const call_argument_t *arg,
 
                default:
                        warningf(WARN_FORMAT, pos, "encountered unknown conversion specifier '%%%c' at format %u", fmt, num_fmt);
-                       if (arg == NULL) {
-                               warningf(WARN_FORMAT, pos, "too few arguments for format string");
-                               return;
-                       }
+                       if (arg == NULL)
+                               goto too_few_args;
                        goto next_arg;
                }
 
                if (arg == NULL) {
+too_few_args:
                        warningf(WARN_FORMAT, pos, "too few arguments for format string");
                        return;
                }