[freenos] [freenos commit] r204 - Implemented FILE{MODE|TYPE}_FROM_ST().
- From: codesite-noreply@xxxxxxxxxx
- To: freenos@xxxxxxxxxxxxx
- Date: Tue, 07 Jul 2009 13:48:52 +0000
Author: nieklinnenbank
Date: Tue Jul 7 06:48:23 2009
New Revision: 204
Modified:
trunk/srv/filesystem/FileMode.h
trunk/srv/filesystem/FileType.h
Log:
Implemented FILE{MODE|TYPE}_FROM_ST().
These macros interpret an POSIX-compliant struct stat,
possibly from the host system, and convert it into
an FileType or FileMode respectively.
Modified: trunk/srv/filesystem/FileMode.h
==============================================================================
--- trunk/srv/filesystem/FileMode.h (original)
+++ trunk/srv/filesystem/FileMode.h Tue Jul 7 06:48:23 2009
@@ -27,6 +27,14 @@
#define FILEMODE_MASK 0777
/**
+ * Converts an (host system's) POSIX struct st into a FileMode.
+ * @param st struct st pointer.
+ * @return FileMode value.
+ */
+#define FILEMODE_FROM_ST(st) \
+ (FileMode)((st)->st_mode & FILEMODE_MASK)
+
+/**
* File access permissions.
*/
typedef enum FileMode
Modified: trunk/srv/filesystem/FileType.h
==============================================================================
--- trunk/srv/filesystem/FileType.h (original)
+++ trunk/srv/filesystem/FileType.h Tue Jul 7 06:48:23 2009
@@ -24,6 +24,29 @@
/** Masker value for all FileTypes. */
#define FILETYPE_MASK 7
+/**
+ * Convert from a (host system's) POSIX struct stat into a FileType.
+ * @param st struct stat pointer.
+ * @return FileType value.
+ */
+#define FILETYPE_FROM_ST(st) \
+({ \
+ FileType t = UnknownFile; \
+ \
+ switch ((st)->st_mode & S_IFMT) \
+ { \
+ case S_IFBLK: t = BlockDeviceFile; break; \
+ case S_IFCHR: t = CharacterDeviceFile; break; \
+ case S_IFIFO: t = FIFOFile; break; \
+ case S_IFREG: t = RegularFile; break; \
+ case S_IFDIR: t = DirectoryFile; break; \
+ case S_IFLNK: t = SymlinkFile; break; \
+ case S_IFSOCK: t = SocketFile; break; \
+ default: break; \
+ } \
+ t; \
+})
+
/**
* All possible filetypes.
*/
Other related posts:
- » [freenos] [freenos commit] r204 - Implemented FILE{MODE|TYPE}_FROM_ST(). - codesite-noreply
