blame: use find_commit_subject() instead of custom code

Signed-off-by: Christian Couder <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: chriscool

builtin/blame.c

@@ -1371,7 +1371,8 @@ static void get_commit_info(struct commit *commit,
 			    int detailed)
 {
 	int len;
-	char *tmp, *endp, *reencoded, *message;
+	const char *subject;
+	char *reencoded, *message;
 	static char author_name[1024];
 	static char author_mail[1024];
 	static char committer_name[1024];
@@ -1413,22 +1414,13 @@ static void get_commit_info(struct commit *commit,
 		    &ret->committer_time, &ret->committer_tz);
 
 	ret->summary = summary_buf;
-	tmp = strstr(message, "\n\n");
-	if (!tmp) {
-	error_out:
+	len = find_commit_subject(message, &subject);
+	if (len && len < sizeof(summary_buf)) {
+		memcpy(summary_buf, subject, len);
+		summary_buf[len] = 0;
+	} else {
 		sprintf(summary_buf, "(%s)", sha1_to_hex(commit->object.sha1));
-		free(reencoded);
-		return;
 	}
-	tmp += 2;
-	endp = strchr(tmp, '\n');
-	if (!endp)
-		endp = tmp + strlen(tmp);
-	len = endp - tmp;
-	if (len >= sizeof(summary_buf) || len == 0)
-		goto error_out;
-	memcpy(summary_buf, tmp, len);
-	summary_buf[len] = 0;
 	free(reencoded);
 }