X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=log-tree.c;h=23191543d5324f20622048103a821ded4d13b77a;hb=cc61ae82ec581f6cf1a38a45aaef894f085ccb16;hp=4bef909144b2b5b402ee7cf0d959a0995c00ff0e;hpb=4662231e5654924c78fcb4b630fb48c58b945b7f;p=git.git

diff --git a/log-tree.c b/log-tree.c
index 4bef90914..23191543d 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -79,16 +79,14 @@ static int detect_any_signoff(char *letter, int size)
 	return seen_head && seen_name;
 }
 
-static int append_signoff(char *buf, int buf_sz, int at, const char *signoff)
+static void append_signoff(struct strbuf *sb, const char *signoff)
 {
 	static const char signed_off_by[] = "Signed-off-by: ";
-	int signoff_len = strlen(signoff);
+	size_t signoff_len = strlen(signoff);
 	int has_signoff = 0;
-	char *cp = buf;
+	char *cp;
 
-	/* Do we have enough space to add it? */
-	if (buf_sz - at <= strlen(signed_off_by) + signoff_len + 3)
-		return at;
+	cp = sb->buf;
 
 	/* First see if we already have the sign-off by the signer */
 	while ((cp = strstr(cp, signed_off_by))) {
@@ -96,29 +94,25 @@ static int append_signoff(char *buf, int buf_sz, int at, const char *signoff)
 		has_signoff = 1;
 
 		cp += strlen(signed_off_by);
-		if (cp + signoff_len >= buf + at)
+		if (cp + signoff_len >= sb->buf + sb->len)
 			break;
 		if (strncmp(cp, signoff, signoff_len))
 			continue;
 		if (!isspace(cp[signoff_len]))
 			continue;
 		/* we already have him */
-		return at;
+		return;
 	}
 
 	if (!has_signoff)
-		has_signoff = detect_any_signoff(buf, at);
+		has_signoff = detect_any_signoff(sb->buf, sb->len);
 
 	if (!has_signoff)
-		buf[at++] = '\n';
-
-	strcpy(buf + at, signed_off_by);
-	at += strlen(signed_off_by);
-	strcpy(buf + at, signoff);
-	at += signoff_len;
-	buf[at++] = '\n';
-	buf[at] = 0;
-	return at;
+		strbuf_addch(sb, '\n');
+
+	strbuf_addstr(sb, signed_off_by);
+	strbuf_add(sb, signoff, signoff_len);
+	strbuf_addch(sb, '\n');
 }
 
 static unsigned int digits_in_number(unsigned int number)
@@ -133,13 +127,12 @@ static unsigned int digits_in_number(unsigned int number)
 
 void show_log(struct rev_info *opt, const char *sep)
 {
-	static char this_header[16384];
+	struct strbuf msgbuf;
 	struct log_info *log = opt->loginfo;
 	struct commit *commit = log->commit, *parent = log->parent;
 	int abbrev = opt->diffopt.abbrev;
 	int abbrev_commit = opt->abbrev_commit ? opt->abbrev : 40;
 	const char *extra;
-	int len;
 	const char *subject = NULL, *extra_headers = opt->extra_headers;
 
 	opt->loginfo = NULL;
@@ -190,7 +183,7 @@ void show_log(struct rev_info *opt, const char *sep)
 					digits_in_number(opt->total),
 					opt->nr, opt->total);
 			subject = buffer;
-		} else if (opt->total == 0) {
+		} else if (opt->total == 0 && opt->subject_prefix && *opt->subject_prefix) {
 			static char buffer[256];
 			snprintf(buffer, sizeof(buffer),
 					"Subject: [%s] ",
@@ -278,14 +271,18 @@ void show_log(struct rev_info *opt, const char *sep)
 	/*
 	 * And then the pretty-printed message itself
 	 */
-	len = pretty_print_commit(opt->commit_format, commit, ~0u, this_header,
-				  sizeof(this_header), abbrev, subject,
-				  extra_headers, opt->date_mode);
+	strbuf_init(&msgbuf, 0);
+	pretty_print_commit(opt->commit_format, commit, &msgbuf,
+				  abbrev, subject, extra_headers, opt->date_mode);
 
 	if (opt->add_signoff)
-		len = append_signoff(this_header, sizeof(this_header), len,
-				     opt->add_signoff);
-	printf("%s%s%s", this_header, extra, sep);
+		append_signoff(&msgbuf, opt->add_signoff);
+	if (opt->show_log_size)
+		printf("log size %i\n", (int)msgbuf.len);
+
+	if (msgbuf.len)
+		printf("%s%s%s", msgbuf.buf, extra, sep);
+	strbuf_release(&msgbuf);
 }
 
 int log_tree_diff_flush(struct rev_info *opt)
@@ -397,5 +394,6 @@ int log_tree_commit(struct rev_info *opt, struct commit *commit)
 		shown = 1;
 	}
 	opt->loginfo = NULL;
+	maybe_flush_or_die(stdout, "stdout");
 	return shown;
 }