From 8464627bf444de523c05c44a5a174e4d3736549c Mon Sep 17 00:00:00 2001
From: Werner Koch <wk@gnupg.org>
Date: Wed, 29 Aug 2007 16:59:20 +0000
Subject: Extended the --check-program output:  Error messages are now inlcued
 in an easy parsable format.

---
 common/exechelp.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

(limited to 'common/exechelp.c')

diff --git a/common/exechelp.c b/common/exechelp.c
index 4ec481f99..7da7dbd50 100644
--- a/common/exechelp.c
+++ b/common/exechelp.c
@@ -270,6 +270,50 @@ do_exec (const char *pgmname, const char *argv[],
 #endif /*!HAVE_W32_SYSTEM*/
 
 
+/* Portable function to create a pipe.  Under Windows the write end is
+   inheritable.  */
+gpg_error_t
+gnupg_create_inbound_pipe (int filedes[2])
+{
+  gpg_error_t err = 0;
+#if HAVE_W32_SYSTEM
+  int fds[2];
+
+  filedes[0] = filedes[1] = -1;
+  err = gpg_error (GPG_ERR_GENERAL);
+  if (!create_inheritable_pipe (fds))
+    {
+      filedes[0] = _open_osfhandle (fds[0], 0);
+      if (filedes[0] == -1)
+        {
+          log_error ("failed to translate osfhandle %p\n", (void*)fds[0]);
+          CloseHandle (fd_to_handle (fds[1]));
+        }
+      else 
+        {
+          filedes[1] = _open_osfhandle (fds[1], 1);
+          if (filedes[1] == -1)
+            {
+              log_error ("failed to translate osfhandle %p\n", (void*)fds[1]);
+              close (filedes[0]);
+              filedes[0] = -1;
+              CloseHandle (fd_to_handle (fds[1]));
+            }
+          else
+            err = 0;
+        }
+    }
+#else
+  if (pipe (filedes) == -1)
+    {
+      err = gpg_error_from_syserror ();
+      filedes[0] = filedes[1] = -1;
+    }
+#endif
+  return err;
+}
+
+
 /* Fork and exec the PGMNAME, connect the file descriptor of INFILE to
    stdin, write the output to OUTFILE, return a new stream in
    STATUSFILE for stderr and the pid of the process in PID. The
-- 
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