Add error handling.

[bertos.git] / bertos / fs / battfs.h

diff --git a/bertos/fs/battfs.h b/bertos/fs/battfs.h
index 29cdde48a4eb202d83baf8c21a43ef75b5ba5450..359dc16aea90582652443d2e11bf58460ec7a01e 100644 (file)
--- a/bertos/fs/battfs.h
+++ b/bertos/fs/battfs.h
@@ -220,6 +220,11 @@ typedef struct BattFsSuper
        /* TODO add other fields. */
 } BattFsSuper;
 
+/**
+ * True if space on \a disk is over.
+ */
+#define SPACE_OVER(disk) ((disk)->free_page_start >= (disk)->page_count)
+
 typedef uint8_t filemode_t;  ///< Type for file open modes.
 typedef int32_t file_size_t; ///< Type for file sizes.
 
@@ -233,6 +238,21 @@ typedef int32_t file_size_t; ///< Type for file sizes.
 /*/}*/
 
 
+/**
+ * File errors.
+ * \{
+ */
+#define BATTFS_NEGATIVE_SEEK_ERR   BV(0)
+#define BATTFS_DISK_READ_ERR       BV(1)
+#define BATTFS_DISK_LOADPAGE_ERR   BV(2)
+#define BATTFS_DISK_BUFFERWR_ERR   BV(3)
+#define BATTFS_DISK_GETNEWPAGE_ERR BV(4)
+#define BATTFS_DISK_BUFFERRD_ERR   BV(6)
+#define BATTFS_DISK_SPACEOVER_ERR  BV(7)
+#define BATTFS_DISK_FLUSHBUF_ERR   BV(8)
+#define BATTFS_FILE_NOT_FOUND_ERR  BV(9)
+/*/}*/
+
 /**
  * Describe a BattFs file usign a KFile.
  */
@@ -245,6 +265,7 @@ typedef struct BattFs
        filemode_t mode;    ///< File open mode
        pgcnt_t *start;     ///< Pointer to page_array file start position.
        pgcnt_t max_off;    ///< Max page offset allocated for the file.
+       int errors;         ///< File status/errors
 } BattFs;
 
 /**
@@ -262,8 +283,9 @@ INLINE BattFs * BATTFS_CAST(KFile *fd)
        return (BattFs *)fd;
 }
 
-bool battfs_init(struct BattFsSuper *d);
-bool battfs_close(struct BattFsSuper *disk);
+bool battfs_mount(struct BattFsSuper *d);
+bool battfs_fsck(struct BattFsSuper *disk);
+bool battfs_umount(struct BattFsSuper *disk);
 
 bool battfs_fileExists(BattFsSuper *disk, inode_t inode);
 bool battfs_fileopen(BattFsSuper *disk, BattFs *fd, inode_t inode, filemode_t mode);