From: Lukas Fleischer <lfleischer@lfos.de>
Date: Sun, 13 Dec 2015 00:27:13 +0000 (+0100)
Subject: Fix segmentation fault in hc()
X-Git-Url: https://gitweb.ps.run/ps-cgit/commitdiff_plain/da1b89710f5eb25297a66613ff3130b2a31cb86a

Fix segmentation fault in hc()

The ctx.qry.page variable might be unset at this point, e.g. when an
invalid command is passed and cgit_print_pageheader() is called to show
an error message.

Signed-off-by: Lukas Fleischer <lfleischer@lfos.de>
---

diff --git a/ui-shared.c b/ui-shared.c
index 48358cc..5b48734 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -889,6 +889,9 @@ void cgit_add_hidden_formfields(int incl_head, int incl_search,
 
 static const char *hc(const char *page)
 {
+	if (!ctx.qry.page)
+		return NULL;
+
 	return strcmp(ctx.qry.page, page) ? NULL : "active";
 }