Draft FileSystem.listDir(). Add some missing macros.

1 files changed, 48 insertions, 2 deletions

diff --git a/include/qntan/Qntan.h b/include/qntan/Qntan.h
index f28d19a..b7e9d72 100644
--- a/include/qntan/Qntan.h
+++ b/include/qntan/Qntan.h
@@ -19,6 +19,10 @@
 
 #endif
 
+#ifdef Qntan_USERCONFIG
+Qntan_USERCONFIG
+#endif
+
 #include <stddef.h>  /* size_t */
 #include <stdint.h>  /* uintptr_t */
 
@@ -221,6 +225,10 @@ struct Qntan_MemArena {
 
 
 
+#ifndef Qntan_Executor_enque
+#	define Qntan_Executor_enque(A, ...) (*A)->enque(A, __VA_ARGS__)
+#endif
+
 struct Qntan_Executor {
 	/**/
 	void (*enque)( struct Qntan_Executor**, void(*fn)(Qntan_Cls), Qntan_Cls );
@@ -479,9 +487,25 @@ struct Qntan_File {
 
 
 
-#ifndef Qntan_Executor_enque
-#	define Qntan_Executor_enque(A, ...) (*A)->enque(A, __VA_ARGS__)
+#ifndef Qntan_FileSystem_rename
+#	define Qntan_FileSystem_rename(A, ...) (*A)->rename(A, __VA_ARGS__)
 #endif
+#ifndef Qntan_FileSystem_listDir
+#	define Qntan_FileSystem_listDir(A, ...) (*A)->listDir(A, __VA_ARGS__)
+#endif
+
+struct Qntan_FileSystem_Dirent {
+	/**/
+	char const *name;
+	/**/
+	char const *type;
+	/* f=File, d=Directory, b=BlockDev, c=CharDev, p=Pipe, l=Link, s=Socket.
+	 * WARN: This field may not available on all systems! Be prepared for NULL.
+	 */
+//	uint64_t size;
+//	/* File size
+//	 */
+};
 
 struct Qntan_FileSystem {
 	/* VFS (VirtualFileSystem)
@@ -531,6 +555,28 @@ struct Qntan_FileSystem {
 //	void (*fsync)( struct Qntan_FileSystem**, char const*path, int isdatasync,
 //		struct fuse_file_info*, void(*onDone)(int, Qntan_Cls), Qntan_Cls);
 //	/**/
+	void (*listDir)(
+		struct Qntan_FileSystem**,
+		char const*path,
+		int flgA,
+		void(*fn)(
+			int cnt,
+			struct Qntan_FileSystem_Dirent*dirents,
+			int flgB,
+			Qntan_Cls a,
+			void(*onFnDone)(Qntan_Cls b),
+			Qntan_Cls b ),
+		Qntan_Cls a );
+	/* `flgA` MUST be zero.
+	 * On error, `cnt` will hold a negative value.
+	 * `fn` gets (probably several times) called with `dirents` holding
+	 * `cnt` number of entries.
+	 * On the last call to `fn`, `flgB & 4` will be set.
+	 * `a` a context passed to `fn`.
+	 * `b` a context that MUST be passed to `onFnDone`.
+	 * `onFnDone` MUST be called exactly once, as soon `fn` has
+	 * completed its work.
+	 */
 };