* syscalls.cc (pathconf): Guard _PC_PATH_MAX branch against invalid

file parameter.
2002-01-10 13:24:28 +00:00 · 2002-01-10 13:24:28 +00:00 · bb5225c236
parent c0a8e8d0f9
commit bb5225c236
2 changed files with 7 additions and 0 deletions
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@ -1,3 +1,8 @@
+2002-01-10  Corinna Vinschen  <corinna@vinschen.de>
+
+	* syscalls.cc (pathconf): Guard _PC_PATH_MAX branch against invalid
+	file parameter.
+
 2002-01-09  Christopher Faylor  <cgf@redhat.com>
            Robert Collins  <rbtcollins@hotmail.com>

--- a/winsup/cygwin/syscalls.cc
+++ b/winsup/cygwin/syscalls.cc
@ -1424,6 +1424,8 @@ pathconf (const char *file, int v)
  switch (v)
    {
    case _PC_PATH_MAX:
+      if (check_null_empty_str_errno (file))
+          return -1;
      return PATH_MAX - strlen (file);
    case _PC_NAME_MAX:
      return PATH_MAX;