* path.cc (getcwd): Allow len == 0 when buf == NULL.

2001-10-19 19:17:04 +00:00
parent da8f3291d1
commit 5318c49833
2 changed files with 5 additions and 1 deletions
--- a/winsup/cygwin/path.cc
+++ b/winsup/cygwin/path.cc
@@ -3120,7 +3120,7 @@ char *
 getcwd (char *buf, size_t ulen)
 {
  char* res = NULL;
-  if (ulen == 0)
+  if (ulen == 0 && buf)
    set_errno (EINVAL);
  else if (buf == NULL || !__check_null_invalid_struct_errno (buf, ulen))
    res = cygheap->cwd.get (buf, 1, 1, ulen);