Import directory iteration, errno handling, and shutil from libgsystem

1 files changed, 49 insertions, 0 deletions

diff --git a/glnx-errors.h b/glnx-errors.h
new file mode 100644
index 0000000..e51cd7e
--- /dev/null
+++ b/glnx-errors.h
@@ -0,0 +1,49 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
+ *
+ * Copyright (C) 2014,2015 Colin Walters <walters@verbum.org>.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#pragma once
+
+#include <glnx-backport-autoptr.h>
+#include <errno.h>
+
+G_BEGIN_DECLS
+
+#define glnx_set_error_from_errno(error)                \
+  do {                                                  \
+    int errsv = errno;                                  \
+    g_set_error_literal (error, G_IO_ERROR,             \
+                         g_io_error_from_errno (errsv), \
+                         g_strerror (errsv));           \
+    errno = errsv;                                      \
+  } while (0);
+
+#define glnx_set_prefix_error_from_errno(error, format, args...)            \
+  do {                                                                  \
+    int errsv = errno;                                                  \
+    glnx_real_set_prefix_error_from_errno (error, errsv, format, args); \
+    errno = errsv;                                                      \
+  } while (0);
+
+void glnx_real_set_prefix_error_from_errno (GError     **error,
+                                            gint         errsv,
+                                            const char  *format,
+                                            ...) G_GNUC_PRINTF (3,4);
+
+G_END_DECLS