help: check early if we have a command, if not try a documentation topic

diff --git a/diff.c b/diff.c
index 526249008662d4041e5623914c1a420f3443c4d4..893942359bee551e4460449f66279f1a91ec6ab7 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -928,7 +928,8 @@ static void show_stats(struct diffstat_t* data, struct diff_options *options)
                        total = add + del;
                }
                show_name(options->file, prefix, name, len, reset, set);
-               fprintf(options->file, "%5d ", added + deleted);
+               fprintf(options->file, "%5d%s", added + deleted,
+                               added + deleted ? " " : "");
                show_graph(options->file, '+', add, add_c, reset);
                show_graph(options->file, '-', del, del_c, reset);
                fprintf(options->file, "\n");
@@ -1150,12 +1151,14 @@ static void checkdiff_consume(void *priv, char *line, unsigned long len)
        char *err;
 
        if (line[0] == '+') {
+               unsigned bad;
                data->lineno++;
-               data->status = check_and_emit_line(line + 1, len - 1,
+               bad = check_and_emit_line(line + 1, len - 1,
                    data->ws_rule, NULL, NULL, NULL, NULL);
-               if (!data->status)
+               if (!bad)
                        return;
-               err = whitespace_error_string(data->status);
+               data->status |= bad;
+               err = whitespace_error_string(bad);
                fprintf(data->file, "%s:%d: %s.\n", data->filename, data->lineno, err);
                free(err);
                emit_line(data->file, set, reset, line, 1);