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authorTavian Barnes <tavianator@tavianator.com>2016-11-13 15:08:33 -0500
committerTavian Barnes <tavianator@tavianator.com>2016-11-13 15:44:48 -0500
commit58b4741d3d8eb50bd265e0aa5603923c1e3c04c4 (patch)
tree8ac8a78995df61d92359e33f5fcbc9a8299e9546 /util.h
parent1c5168342e5248983d3a7929abaebe16ca3640a3 (diff)
downloadbfs-58b4741d3d8eb50bd265e0aa5603923c1e3c04c4.tar.xz
Redirect stdin from /dev/null for -ok and -okdir.
Diffstat (limited to 'util.h')
-rw-r--r--util.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/util.h b/util.h
new file mode 100644
index 0000000..c3b3dbe
--- /dev/null
+++ b/util.h
@@ -0,0 +1,37 @@
+/*********************************************************************
+ * bfs *
+ * Copyright (C) 2016 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This program is free software. It comes without any warranty, to *
+ * the extent permitted by applicable law. You can redistribute it *
+ * and/or modify it under the terms of the Do What The Fuck You Want *
+ * To Public License, Version 2, as published by Sam Hocevar. See *
+ * the COPYING file or http://www.wtfpl.net/ for more details. *
+ *********************************************************************/
+
+#ifndef BFS_UTIL_H
+#define BFS_UTIL_H
+
+#include <stdbool.h>
+
+/**
+ * Check if a file descriptor is open.
+ */
+bool isopen(int fd);
+
+/**
+ * Open a file and redirect it to a particular descriptor.
+ *
+ * @param fd
+ * The file descriptor to redirect.
+ * @param path
+ * The path to open.
+ * @param flags
+ * The flags passed to open().
+ * @param mode
+ * The mode passed to open() (optional).
+ * @return fd on success, -1 on failure.
+ */
+int redirect(int fd, const char *path, int flags, ...);
+
+#endif // BFS_UTIL_H