# 
# 
# patch "unix/process.cc"
#  from [04e4acb200ae781f7b94bef190f2972179504424]
#    to [cf599e8f9f8dd9865bd7e867eefa3ed3b8f57998]
# 
# patch "win32/process.cc"
#  from [993e5bdc06b7b7aa5fa5236e635bc97f37020968]
#    to [41614776a159bc9ece78cdceacf852c13c497c56]
# 
============================================================
--- unix/process.cc	04e4acb200ae781f7b94bef190f2972179504424
+++ unix/process.cc	cf599e8f9f8dd9865bd7e867eefa3ed3b8f57998
@@ -116,6 +116,8 @@ redir::redir(int which, char const * fil
 redir::redir(int which, char const * file)
  : savedfd(-1), fd(which)
 {
+  if (!file || *file == '\0')
+    return;
   int tempfd = open(file, (which==0?O_RDONLY:O_WRONLY|O_CREAT|O_TRUNC), 0664);
   if (tempfd == -1)
     {
============================================================
--- win32/process.cc	993e5bdc06b7b7aa5fa5236e635bc97f37020968
+++ win32/process.cc	41614776a159bc9ece78cdceacf852c13c497c56
@@ -158,6 +158,11 @@ redir::redir(int which, char const * fil
 redir::redir(int which, char const * filename)
  : what(which)
 {
+  if (!filename || *filename == '\0')
+    {
+      what = -1;
+      return;
+    }
   HANDLE file;
   SECURITY_ATTRIBUTES sa;
   sa.nLength = sizeof(SECURITY_ATTRIBUTES);