added QSE_DIR_LIMITED & QSE_GLOB_LIMITED

fixed bugs in qse_fs_delXXX()

qse/include/qse/cmn/dir.h

@@ -60,7 +60,8 @@ typedef enum qse_dir_errnum_t qse_dir_errnum_t;
 enum qse_dir_flag_t
 {
 	QSE_DIR_MBSPATH = (1 << 0),
-	QSE_DIR_SORT    = (1 << 1)
+	QSE_DIR_SORT    = (1 << 1),
+	QSE_DIR_LIMITED = (1 << 2)  /**< limited to normal entries excluding . and .. */
 };
 
 struct qse_dir_ent_t

qse/include/qse/cmn/fs.h

@@ -61,6 +61,9 @@ enum qse_fs_errnum_t
 	QSE_FS_ENOENT,      /**< no such file or directory */
 	QSE_FS_EEXIST,      /**< already exist */
 	QSE_FS_EINTR,       /**< interrupted */
+	QSE_FS_EPIPE,       /**< broken pipe */
+	QSE_FS_EAGAIN,      /**< resource temporarily unavailable */
+
 	QSE_FS_EISDIR,      /**< is a directory */
 	QSE_FS_ENOTDIR,     /**< not a directory */
 	QSE_FS_ENOTVOID,    /**< directory not empty */

qse/include/qse/cmn/glob.h

@@ -54,7 +54,11 @@ enum qse_glob_flags_t
 	QSE_GLOB_IGNORECASE = (1 << 2),
 
 	/** Make the function to be more fault-resistent */
-	QSE_GLOB_TOLERANT   = (1 << 3)
+	QSE_GLOB_TOLERANT   = (1 << 3),
+
+	/** Exclude special entries from matching. 
+	  * Special entries include . and .. */
+	QSE_GLOB_LIMITED    = (1 << 4)
 };
 
 #if defined(__cplusplus)
@@ -72,7 +76,8 @@ QSE_EXPORT int qse_glob (
 	qse_glob_cbimpl_t  cbimpl,
 	void*              cbctx,
 	int                flags,
-	qse_mmgr_t*        mmgr
+	qse_mmgr_t*        mmgr,
+	qse_cmgr_t*        cmgr
 );
 
 #if defined(__cplusplus)