The diff options already know how to print the output anywhere else than stdout. The same is needed for log output in general, e.g. when writing patches to files in `git format-patch`. Let's allow users to use log_tree_commit() *without* changing global state via freopen(). Signed-off-by: Johannes Schindelin <johannes.schindelin@xxxxxx> --- log-tree.c | 64 +++++++++++++++++++++++++++++++------------------------------- 1 file changed, 32 insertions(+), 32 deletions(-) diff --git a/log-tree.c b/log-tree.c index dc0180d..530297d 100644 --- a/log-tree.c +++ b/log-tree.c @@ -159,12 +159,12 @@ void load_ref_decorations(int flags) } } -static void show_parents(struct commit *commit, int abbrev) +static void show_parents(struct commit *commit, int abbrev, FILE *file) { struct commit_list *p; for (p = commit->parents; p ; p = p->next) { struct commit *parent = p->item; - printf(" %s", find_unique_abbrev(parent->object.oid.hash, abbrev)); + fprintf(file, " %s", find_unique_abbrev(parent->object.oid.hash, abbrev)); } } @@ -172,7 +172,7 @@ static void show_children(struct rev_info *opt, struct commit *commit, int abbre { struct commit_list *p = lookup_decoration(&opt->children, &commit->object); for ( ; p; p = p->next) { - printf(" %s", find_unique_abbrev(p->item->object.oid.hash, abbrev)); + fprintf(opt->diffopt.file, " %s", find_unique_abbrev(p->item->object.oid.hash, abbrev)); } } @@ -286,11 +286,11 @@ void show_decorations(struct rev_info *opt, struct commit *commit) struct strbuf sb = STRBUF_INIT; if (opt->show_source && commit->util) - printf("\t%s", (char *) commit->util); + fprintf(opt->diffopt.file, "\t%s", (char *) commit->util); if (!opt->show_decorations) return; format_decorations(&sb, commit, opt->diffopt.use_color); - fputs(sb.buf, stdout); + fputs(sb.buf, opt->diffopt.file); strbuf_release(&sb); } @@ -364,18 +364,18 @@ void log_write_email_headers(struct rev_info *opt, struct commit *commit, subject = "Subject: "; } - printf("From %s Mon Sep 17 00:00:00 2001\n", name); + fprintf(opt->diffopt.file, "From %s Mon Sep 17 00:00:00 2001\n", name); graph_show_oneline(opt->graph); if (opt->message_id) { - printf("Message-Id: <%s>\n", opt->message_id); + fprintf(opt->diffopt.file, "Message-Id: <%s>\n", opt->message_id); graph_show_oneline(opt->graph); } if (opt->ref_message_ids && opt->ref_message_ids->nr > 0) { int i, n; n = opt->ref_message_ids->nr; - printf("In-Reply-To: <%s>\n", opt->ref_message_ids->items[n-1].string); + fprintf(opt->diffopt.file, "In-Reply-To: <%s>\n", opt->ref_message_ids->items[n-1].string); for (i = 0; i < n; i++) - printf("%s<%s>\n", (i > 0 ? "\t" : "References: "), + fprintf(opt->diffopt.file, "%s<%s>\n", (i > 0 ? "\t" : "References: "), opt->ref_message_ids->items[i].string); graph_show_oneline(opt->graph); } @@ -432,7 +432,7 @@ static void show_sig_lines(struct rev_info *opt, int status, const char *bol) reset = diff_get_color_opt(&opt->diffopt, DIFF_RESET); while (*bol) { eol = strchrnul(bol, '\n'); - printf("%s%.*s%s%s", color, (int)(eol - bol), bol, reset, + fprintf(opt->diffopt.file, "%s%.*s%s%s", color, (int)(eol - bol), bol, reset, *eol ? "\n" : ""); graph_show_oneline(opt->graph); bol = (*eol) ? (eol + 1) : eol; @@ -553,17 +553,17 @@ void show_log(struct rev_info *opt) if (!opt->graph) put_revision_mark(opt, commit); - fputs(find_unique_abbrev(commit->object.oid.hash, abbrev_commit), stdout); + fputs(find_unique_abbrev(commit->object.oid.hash, abbrev_commit), opt->diffopt.file); if (opt->print_parents) - show_parents(commit, abbrev_commit); + show_parents(commit, abbrev_commit, opt->diffopt.file); if (opt->children.name) show_children(opt, commit, abbrev_commit); show_decorations(opt, commit); if (opt->graph && !graph_is_commit_finished(opt->graph)) { - putchar('\n'); + putc('\n', opt->diffopt.file); graph_show_remainder(opt->graph); } - putchar(opt->diffopt.line_termination); + putc(opt->diffopt.line_termination, opt->diffopt.file); return; } @@ -589,7 +589,7 @@ void show_log(struct rev_info *opt) if (opt->diffopt.line_termination == '\n' && !opt->missing_newline) graph_show_padding(opt->graph); - putchar(opt->diffopt.line_termination); + putc(opt->diffopt.line_termination, opt->diffopt.file); } opt->shown_one = 1; @@ -607,28 +607,28 @@ void show_log(struct rev_info *opt) log_write_email_headers(opt, commit, &ctx.subject, &extra_headers, &ctx.need_8bit_cte); } else if (opt->commit_format != CMIT_FMT_USERFORMAT) { - fputs(diff_get_color_opt(&opt->diffopt, DIFF_COMMIT), stdout); + fputs(diff_get_color_opt(&opt->diffopt, DIFF_COMMIT), opt->diffopt.file); if (opt->commit_format != CMIT_FMT_ONELINE) - fputs("commit ", stdout); + fputs("commit ", opt->diffopt.file); if (!opt->graph) put_revision_mark(opt, commit); fputs(find_unique_abbrev(commit->object.oid.hash, abbrev_commit), - stdout); + opt->diffopt.file); if (opt->print_parents) - show_parents(commit, abbrev_commit); + show_parents(commit, abbrev_commit, opt->diffopt.file); if (opt->children.name) show_children(opt, commit, abbrev_commit); if (parent) - printf(" (from %s)", + fprintf(opt->diffopt.file, " (from %s)", find_unique_abbrev(parent->object.oid.hash, abbrev_commit)); - fputs(diff_get_color_opt(&opt->diffopt, DIFF_RESET), stdout); + fputs(diff_get_color_opt(&opt->diffopt, DIFF_RESET), opt->diffopt.file); show_decorations(opt, commit); if (opt->commit_format == CMIT_FMT_ONELINE) { - putchar(' '); + putc(' ', opt->diffopt.file); } else { - putchar('\n'); + putc('\n', opt->diffopt.file); graph_show_oneline(opt->graph); } if (opt->reflog_info) { @@ -702,7 +702,7 @@ void show_log(struct rev_info *opt) } if (opt->show_log_size) { - printf("log size %i\n", (int)msgbuf.len); + fprintf(opt->diffopt.file, "log size %i\n", (int)msgbuf.len); graph_show_oneline(opt->graph); } @@ -718,11 +718,11 @@ void show_log(struct rev_info *opt) if (opt->graph) graph_show_commit_msg(opt->graph, &msgbuf); else - fwrite(msgbuf.buf, sizeof(char), msgbuf.len, stdout); + fwrite(msgbuf.buf, sizeof(char), msgbuf.len, opt->diffopt.file); if (opt->use_terminator && !commit_format_is_empty(opt->commit_format)) { if (!opt->missing_newline) graph_show_padding(opt->graph); - putchar(opt->diffopt.line_termination); + putc(opt->diffopt.line_termination, opt->diffopt.file); } strbuf_release(&msgbuf); @@ -759,7 +759,7 @@ int log_tree_diff_flush(struct rev_info *opt) struct strbuf *msg = NULL; msg = opt->diffopt.output_prefix(&opt->diffopt, opt->diffopt.output_prefix_data); - fwrite(msg->buf, msg->len, 1, stdout); + fwrite(msg->buf, msg->len, 1, opt->diffopt.file); } /* @@ -774,8 +774,8 @@ int log_tree_diff_flush(struct rev_info *opt) */ if (!opt->shown_dashes && (pch & opt->diffopt.output_format) == pch) - printf("---"); - putchar('\n'); + fprintf(opt->diffopt.file, "---"); + putc('\n', opt->diffopt.file); } } diff_flush(&opt->diffopt); @@ -875,7 +875,7 @@ int log_tree_commit(struct rev_info *opt, struct commit *commit) return line_log_print(opt, commit); if (opt->track_linear && !opt->linear && !opt->reverse_output_stage) - printf("\n%s\n", opt->break_bar); + fprintf(opt->diffopt.file, "\n%s\n", opt->break_bar); shown = log_tree_diff(opt, commit, &log); if (!shown && opt->loginfo && opt->always_show_header) { log.parent = NULL; @@ -883,8 +883,8 @@ int log_tree_commit(struct rev_info *opt, struct commit *commit) shown = 1; } if (opt->track_linear && !opt->linear && opt->reverse_output_stage) - printf("\n%s\n", opt->break_bar); + fprintf(opt->diffopt.file, "\n%s\n", opt->break_bar); opt->loginfo = NULL; - maybe_flush_or_die(stdout, "stdout"); + maybe_flush_or_die(opt->diffopt.file, "stdout"); return shown; } -- 2.9.0.118.g0e1a633 -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html