From ef6c0046482844db49d7b2e0729f6c98f37efae4 Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Thu, 10 Apr 2003 16:47:35 +0000 Subject: [PATCH] (canonicalize_file_name): Return NULL immediately if resolvepath fails. Otherwise, `readlink --canonical /no-such-file' would exhaust virtual memory on some systems (e.g. Solaris). --- lib/canonicalize.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/lib/canonicalize.c b/lib/canonicalize.c index 66622817be..e82ae75ad8 100644 --- a/lib/canonicalize.c +++ b/lib/canonicalize.c @@ -147,6 +147,11 @@ canonicalize_file_name (const char *name) resolved_size = 2 * resolved_size + 1; resolved = xmalloc (resolved_size); resolved_len = resolvepath (name, resolved, resolved_size); + if (resolved_len < 0) + { + free (resolved); + return NULL; + } if (resolved_len < resolved_size) break; free (resolved); -- 2.47.3