Cast signed chars before ctype calls

A plain char is undefined in the ctype functions for negative values,
which a high byte produces wherever char is signed.

1 file changed, 2 insertions, 2 deletions

diff --git a/source/ui-tree.c b/source/ui-tree.c
index 9181b1b..f537442 100644
--- a/source/ui-tree.c
+++ b/source/ui-tree.c
@@ -93,7 +93,7 @@ static void print_binary_buffer(char *buf, unsigned long size)
 			      buf[idx] & 0xff);
 		html(" </td><td class='hex'>");
 		for (idx = 0; idx < ROWLEN && ofs + idx < size; idx++)
-			ascii[idx] = isgraph(buf[idx]) ? buf[idx] : '.';
+			ascii[idx] = isgraph((unsigned char)buf[idx]) ? buf[idx] : '.';
 		ascii[idx] = '\0';
 		html_txt(ascii);
 		html("</td></tr>\n");
@@ -271,7 +271,7 @@ static void render_ls_item(const struct object_id *oid, const char *pathname,
 		free(buf);
 		strbuf_release(&linkpath);
 	}
-	htmlf("</td><td class='ls-size'>%li</td>", size);
+	htmlf("</td><td class='ls-size'>%lu</td>", size);
 
 	html("<td>");
 	cgit_log_link("log", NULL, "button", ctx.qry.head,