diff --stat: use "file" temporary variable to refer to data->files[i]

The generated code shouldn't change but it is easier to read.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/diff.c b/diff.c
index ce6baa4..e4e70e5 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -1470,8 +1470,8 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
        for (i = 0; (i < count) && (i < data->nr); i++) {
                struct diffstat_file *file = data->files[i];
                uintmax_t change = file->added + file->deleted;
-               if (!data->files[i]->is_interesting &&
-                        (change == 0)) {
+
+               if (!file->is_interesting && (change == 0)) {
                        count++; /* not shown == room for one more */
                        continue;
                }
@@ -1586,13 +1586,13 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
         */
        for (i = 0; i < count; i++) {
                const char *prefix = "";
-               char *name = data->files[i]->print_name;
-               uintmax_t added = data->files[i]->added;
-               uintmax_t deleted = data->files[i]->deleted;
+               struct diffstat_file *file = data->files[i];
+               char *name = file->print_name;
+               uintmax_t added = file->added;
+               uintmax_t deleted = file->deleted;
                int name_len;
 
-               if (!data->files[i]->is_interesting &&
-                        (added + deleted == 0)) {
+               if (!file->is_interesting && (added + deleted == 0)) {
                        total_files--;
                        continue;
                }
@@ -1611,7 +1611,7 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
                                name = slash;
                }
 
-               if (data->files[i]->is_binary) {
+               if (file->is_binary) {
                        fprintf(options->file, "%s", line_prefix);
                        show_name(options->file, prefix, name, len);
                        fprintf(options->file, " %*s", number_width, "Bin");
@@ -1628,7 +1628,7 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
                        fprintf(options->file, "\n");
                        continue;
                }
-               else if (data->files[i]->is_unmerged) {
+               else if (file->is_unmerged) {
                        fprintf(options->file, "%s", line_prefix);
                        show_name(options->file, prefix, name, len);
                        fprintf(options->file, " Unmerged\n");
@@ -1668,10 +1668,10 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
                fprintf(options->file, "\n");
        }
        for (i = count; i < data->nr; i++) {
-               uintmax_t added = data->files[i]->added;
-               uintmax_t deleted = data->files[i]->deleted;
-               if (!data->files[i]->is_interesting &&
-                        (added + deleted == 0)) {
+               struct diffstat_file *file = data->files[i];
+               uintmax_t added = file->added;
+               uintmax_t deleted = file->deleted;
+               if (!file->is_interesting && (added + deleted == 0)) {
                        total_files--;
                        continue;
                }