1 files changed, 22 insertions, 0 deletions

diff --git a/ui-shared.c b/ui-shared.c
index 71c899a..15d8254 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -155,48 +155,70 @@ static void reporevlink(char *page, char *name, char *title, char *class,
 void cgit_tree_link(char *name, char *title, char *class, char *head,
 		    char *rev, char *path)
 {
 	reporevlink("tree", name, title, class, head, rev, path);
 }
 
 void cgit_log_link(char *name, char *title, char *class, char *head,
 		   char *rev, char *path)
 {
 	reporevlink("log", name, title, class, head, rev, path);
 }
 
 void cgit_commit_link(char *name, char *title, char *class, char *head,
 		      char *rev)
 {
 	if (strlen(name) > cgit_max_msg_len && cgit_max_msg_len >= 15) {
 		name[cgit_max_msg_len] = '\0';
 		name[cgit_max_msg_len - 1] = '.';
 		name[cgit_max_msg_len - 2] = '.';
 		name[cgit_max_msg_len - 3] = '.';
 	}
 	reporevlink("commit", name, title, class, head, rev, NULL);
 }
 
+void cgit_diff_link(char *name, char *title, char *class, char *head,
+		    char *new_rev, char *old_rev, char *path)
+{
+	char *delim;
+
+	delim = repolink(title, class, "diff", head, path);
+	if (new_rev && strcmp(new_rev, cgit_query_head)) {
+		html(delim);
+		html("id=");
+		html_attr(new_rev);
+		delim = "&";
+	}
+	if (old_rev) {
+		html(delim);
+		html("id2=");
+		html_attr(old_rev);
+	}
+	html("'>");
+	html_txt(name);
+	html("</a>");
+}
+
 void cgit_print_date(time_t secs, char *format)
 {
 	char buf[64];
 	struct tm *time;
 
 	time = gmtime(&secs);
 	strftime(buf, sizeof(buf)-1, format, time);
 	html_txt(buf);
 }
 
 void cgit_print_age(time_t t, time_t max_relative, char *format)
 {
 	time_t now, secs;
 
 	time(&now);
 	secs = now - t;
 
 	if (secs > max_relative && max_relative >= 0) {
 		cgit_print_date(t, format);
 		return;
 	}
 
 	if (secs < TM_HOUR * 2) {
 		htmlf("<span class='age-mins'>%.0f min.</span>",