build: Move sources into src/ again

This is necessary if we want to build when srcdir == builddir,
otherwise we blow up because "ostree" is a source directory and a
binary.

src/libotutil/ot-unix-utils.h

@@ -0,0 +1,64 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
+ *
+ * Copyright (C) 2011 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.
+ *
+ * Author: Colin Walters <walters@verbum.org>
+ */
+
+#ifndef __OSTREE_UNIX_UTILS_H__
+#define __OSTREE_UNIX_UTILS_H__
+
+#include <gio/gio.h>
+
+/* I just put all this shit here. Sue me. */
+#include <sys/types.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <string.h>
+#include <fcntl.h>
+#include <stdio.h>
+
+G_BEGIN_DECLS
+
+gboolean ot_util_spawn_pager (GOutputStream  **out_stream, GError         **error);
+
+void ot_util_fatal_literal (const char *msg) G_GNUC_NORETURN;
+
+void ot_util_fatal_gerror (GError *error) G_GNUC_NORETURN;
+
+gboolean ot_util_filename_has_dotdot (const char *path);
+
+GPtrArray *ot_util_sort_filenames_by_component_length (GPtrArray *files);
+
+GPtrArray* ot_util_path_split (const char *path);
+
+char *ot_util_path_join_n (const char *base, GPtrArray *components, int n);
+
+int ot_util_count_filename_components (const char *path);
+
+int ot_util_open_file_read (const char *path, GError **error);
+
+int ot_util_open_file_read_at (int dirfd, const char *name, GError **error);
+
+void ot_util_set_error_from_errno (GError **error, gint saved_errno);
+
+G_END_DECLS
+
+#endif