* miscfuncs.cc (check_iovec): Allow 0 as valid iovcnt value.

2014-04-23 15:26:14 +00:00
parent 742e729664
commit ef7e42ec0f
3 changed files with 8 additions and 1 deletions
--- a/winsup/cygwin/miscfuncs.cc
+++ b/winsup/cygwin/miscfuncs.cc
@@ -196,7 +196,7 @@ dummytest (volatile char *p)
 ssize_t
 check_iovec (const struct iovec *iov, int iovcnt, bool forwrite)
 {
-  if (iovcnt <= 0 || iovcnt > IOV_MAX)
+  if (iovcnt < 0 || iovcnt > IOV_MAX)
    {
      set_errno (EINVAL);
      return -1;