We call print_stat_summary from builtin/apply, so we still need the version with a file pointer, so introduce print_stat_summary_0 that uses emit_string machinery and keep print_stat_summary with the same arguments around. Signed-off-by: Stefan Beller <sbeller@xxxxxxxxxx> --- diff.c | 118 +++++++++++++++++++++++++++++++++++++++++------------------------ diff.h | 4 +-- 2 files changed, 77 insertions(+), 45 deletions(-) diff --git a/diff.c b/diff.c index e6ade5fde0..0a5ff2500f 100644 --- a/diff.c +++ b/diff.c @@ -586,7 +586,10 @@ enum diff_symbol { DIFF_SYMBOL_SUBMODULE_HEADER, DIFF_SYMBOL_SUBMODULE_ERROR, DIFF_SYMBOL_SUBMODULE_PIPETHROUGH, - + DIFF_SYMBOL_STATS_SUMMARY_NO_FILES, + DIFF_SYMBOL_STATS_SUMMARY_ABBREV, + DIFF_SYMBOL_STATS_SUMMARY_INSERTS_DELETES, + DIFF_SYMBOL_STATS_LINE, }; /* * Flags for content lines: @@ -628,6 +631,7 @@ static void emit_diff_symbol(struct diff_options *o, enum diff_symbol s, { static const char *nneof = " No newline at end of file\n"; const char *context, *reset, *set, *meta, *fraginfo; + struct strbuf sb = STRBUF_INIT; switch (s) { case DIFF_SYMBOL_SEPARATOR: fprintf(o->file, "%s%c", @@ -756,9 +760,22 @@ static void emit_diff_symbol(struct diff_options *o, enum diff_symbol s, case DIFF_SYMBOL_SUBMODULE_PIPETHROUGH: emit_line(o, "", "", line, len); break; + case DIFF_SYMBOL_STATS_SUMMARY_NO_FILES: + fprintf(o->file, " 0 files changed\n"); + break; + case DIFF_SYMBOL_STATS_SUMMARY_ABBREV: + emit_line(o, "", "", " ...\n", strlen(" ...\n")); + break; + case DIFF_SYMBOL_STATS_LINE: + emit_line(o, "", "", line, len); + break; + case DIFF_SYMBOL_STATS_SUMMARY_INSERTS_DELETES: + emit_line(o, "", "", line, len); + break; default: die("BUG: unknown diff symbol"); } + strbuf_release(&sb); } void diff_emit_submodule_del(struct diff_options *o, const char *line) @@ -1712,20 +1729,14 @@ static int scale_linear(int it, int width, int max_change) return 1 + (it * (width - 1) / max_change); } -static void show_name(FILE *file, - const char *prefix, const char *name, int len) -{ - fprintf(file, " %s%-*s |", prefix, len, name); -} - -static void show_graph(FILE *file, char ch, int cnt, const char *set, const char *reset) +static void show_graph(struct strbuf *out, char ch, int cnt, + const char *set, const char *reset) { if (cnt <= 0) return; - fprintf(file, "%s", set); - while (cnt--) - putc(ch, file); - fprintf(file, "%s", reset); + strbuf_addstr(out, set); + strbuf_addchars(out, ch, cnt); + strbuf_addstr(out, reset); } static void fill_print_name(struct diffstat_file *file) @@ -1749,14 +1760,16 @@ static void fill_print_name(struct diffstat_file *file) file->print_name = pname; } -int print_stat_summary(FILE *fp, int files, int insertions, int deletions) +static void print_stat_summary_inserts_deletes(struct diff_options *options, + int files, int insertions, int deletions) { struct strbuf sb = STRBUF_INIT; - int ret; if (!files) { assert(insertions == 0 && deletions == 0); - return fprintf(fp, "%s\n", " 0 files changed"); + emit_diff_symbol(options, DIFF_SYMBOL_STATS_SUMMARY_NO_FILES, + NULL, 0, 0); + return; } strbuf_addf(&sb, @@ -1783,9 +1796,19 @@ int print_stat_summary(FILE *fp, int files, int insertions, int deletions) deletions); } strbuf_addch(&sb, '\n'); - ret = fputs(sb.buf, fp); + emit_diff_symbol(options, DIFF_SYMBOL_STATS_SUMMARY_INSERTS_DELETES, + sb.buf, sb.len, 0); strbuf_release(&sb); - return ret; +} + +void print_stat_summary(FILE *fp, int files, + int insertions, int deletions) +{ + struct diff_options o; + memset(&o, 0, sizeof(o)); + o.file = fp; + + print_stat_summary_inserts_deletes(&o, files, insertions, deletions); } static void show_stats(struct diffstat_t *data, struct diff_options *options) @@ -1795,13 +1818,13 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options) int total_files = data->nr, count; int width, name_width, graph_width, number_width = 0, bin_width = 0; const char *reset, *add_c, *del_c; - const char *line_prefix = ""; int extra_shown = 0; + const char *line_prefix = diff_line_prefix(options); + struct strbuf out = STRBUF_INIT; if (data->nr == 0) return; - line_prefix = diff_line_prefix(options); count = options->stat_count ? options->stat_count : data->nr; reset = diff_get_color_opt(options, DIFF_RESET); @@ -1955,26 +1978,32 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options) } if (file->is_binary) { - fprintf(options->file, "%s", line_prefix); - show_name(options->file, prefix, name, len); - fprintf(options->file, " %*s", number_width, "Bin"); + strbuf_addf(&out, " %s%-*s |", prefix, len, name); + strbuf_addf(&out, " %*s", number_width, "Bin"); if (!added && !deleted) { - putc('\n', options->file); + strbuf_addch(&out, '\n'); + emit_diff_symbol(options, DIFF_SYMBOL_STATS_LINE, + out.buf, out.len, 0); + strbuf_reset(&out); continue; } - fprintf(options->file, " %s%"PRIuMAX"%s", + strbuf_addf(&out, " %s%"PRIuMAX"%s", del_c, deleted, reset); - fprintf(options->file, " -> "); - fprintf(options->file, "%s%"PRIuMAX"%s", + strbuf_addstr(&out, " -> "); + strbuf_addf(&out, "%s%"PRIuMAX"%s", add_c, added, reset); - fprintf(options->file, " bytes"); - fprintf(options->file, "\n"); + strbuf_addstr(&out, " bytes\n"); + emit_diff_symbol(options, DIFF_SYMBOL_STATS_LINE, + out.buf, out.len, 0); + strbuf_reset(&out); continue; } else if (file->is_unmerged) { - fprintf(options->file, "%s", line_prefix); - show_name(options->file, prefix, name, len); - fprintf(options->file, " Unmerged\n"); + strbuf_addf(&out, " %s%-*s |", prefix, len, name); + strbuf_addstr(&out, " Unmerged\n"); + emit_diff_symbol(options, DIFF_SYMBOL_STATS_LINE, + out.buf, out.len, 0); + strbuf_reset(&out); continue; } @@ -1997,14 +2026,16 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options) add = total - del; } } - fprintf(options->file, "%s", line_prefix); - show_name(options->file, prefix, name, len); - fprintf(options->file, " %*"PRIuMAX"%s", + strbuf_addf(&out, " %s%-*s |", prefix, len, name); + strbuf_addf(&out, " %*"PRIuMAX"%s", number_width, added + deleted, added + deleted ? " " : ""); - show_graph(options->file, '+', add, add_c, reset); - show_graph(options->file, '-', del, del_c, reset); - fprintf(options->file, "\n"); + show_graph(&out, '+', add, add_c, reset); + show_graph(&out, '-', del, del_c, reset); + strbuf_addch(&out, '\n'); + emit_diff_symbol(options, DIFF_SYMBOL_STATS_LINE, + out.buf, out.len, 0); + strbuf_reset(&out); } for (i = 0; i < data->nr; i++) { @@ -2025,11 +2056,13 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options) if (i < count) continue; if (!extra_shown) - fprintf(options->file, "%s ...\n", line_prefix); + emit_diff_symbol(options, + DIFF_SYMBOL_STATS_SUMMARY_ABBREV, + NULL, 0, 0); extra_shown = 1; } - fprintf(options->file, "%s", line_prefix); - print_stat_summary(options->file, total_files, adds, dels); + + print_stat_summary_inserts_deletes(options, total_files, adds, dels); } static void show_shortstats(struct diffstat_t *data, struct diff_options *options) @@ -2041,7 +2074,7 @@ static void show_shortstats(struct diffstat_t *data, struct diff_options *option for (i = 0; i < data->nr; i++) { int added = data->files[i]->added; - int deleted= data->files[i]->deleted; + int deleted = data->files[i]->deleted; if (data->files[i]->is_unmerged || (!data->files[i]->is_interesting && (added + deleted == 0))) { @@ -2051,8 +2084,7 @@ static void show_shortstats(struct diffstat_t *data, struct diff_options *option dels += deleted; } } - fprintf(options->file, "%s", diff_line_prefix(options)); - print_stat_summary(options->file, total_files, adds, dels); + print_stat_summary_inserts_deletes(options, total_files, adds, dels); } static void show_numstat(struct diffstat_t *data, struct diff_options *options) diff --git a/diff.h b/diff.h index 2ee0ef3908..b73f7a1e75 100644 --- a/diff.h +++ b/diff.h @@ -398,8 +398,8 @@ extern int parse_rename_score(const char **cp_p); extern long parse_algorithm_value(const char *value); -extern int print_stat_summary(FILE *fp, int files, - int insertions, int deletions); +extern void print_stat_summary(FILE *fp, int files, + int insertions, int deletions); extern void setup_diff_pager(struct diff_options *); #endif /* DIFF_H */ -- 2.12.2.575.gb14f27f917