cgitrc.5.txt: document 'head-include'

[ps-cgit] / ui-tree.c

diff --git a/ui-tree.c b/ui-tree.c
index c6159ec3df97e059e1cd894202b4173172e9c9c1..553dbaa5a27e60ebad594d23cc842895bdf4beed 100644 (file)
--- a/ui-tree.c
+++ b/ui-tree.c
@@ -25,11 +25,14 @@ static void print_text_buffer(char *buf, unsigned long size)
        html("<tr><td class='linenumbers'><pre>");
        idx = 0;
        lineno = 0;
        html("<tr><td class='linenumbers'><pre>");
        idx = 0;
        lineno = 0;

-       htmlf(numberfmt, ++lineno);
-       while(idx < size - 1) { // skip absolute last newline
-               if (buf[idx] == '\n')
-                       htmlf(numberfmt, ++lineno);
-               idx++;
+
+       if (size) {
+               htmlf(numberfmt, ++lineno);
+               while(idx < size - 1) { // skip absolute last newline
+                       if (buf[idx] == '\n')
+                               htmlf(numberfmt, ++lineno);
+                       idx++;
+               }

        }
        html("</pre></td>\n");
        html("<td class='lines'><pre><code>");
        }
        html("</pre></td>\n");
        html("<td class='lines'><pre><code>");