Remove troublesome chars from cachefile names
Add a funtion cache_safe_filename() which replaces possibly bad filename
characters with '_'.
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
diff --git a/cgit.c b/cgit.c
index d975570..a3a04d9 100644
--- a/cgit.c
+++ b/cgit.c
@@ -22,7 +22,7 @@
} else {
item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root,
cgit_query_repo, cgit_query_page,
- cgit_querystring));
+ cache_safe_filename(cgit_querystring)));
if (cgit_query_has_symref)
item->ttl = cgit_cache_dynamic_ttl;
else if (cgit_query_has_sha1)