*/
int fs_ls(const char *dirname);
+/*
+ * Determine whether a file exists
+ *
+ * Returns 1 if the file exists, 0 if it doesn't exist.
+ */
+int fs_exists(const char *filename);
+
+/*
+ * Determine a file's size
+ *
+ * Returns the file's size in bytes, or a negative value if it doesn't exist.
+ */
+int fs_size(const char *filename);
+
/*
* Read file "filename" from the partition previously set by fs_set_blk_dev(),
* to address "addr", starting at byte offset "offset", and reading "len"
*/
int fs_read(const char *filename, ulong addr, int offset, int len);
+/*
+ * Write file "filename" to the partition previously set by fs_set_blk_dev(),
+ * from address "addr", starting at byte offset "offset", and writing "len"
+ * bytes. "offset" may be 0 to write to the start of the file. Note that not
+ * all filesystem types support offset!=0.
+ *
+ * Returns number of bytes read on success. Returns <= 0 on error.
+ */
+int fs_write(const char *filename, ulong addr, int offset, int len);
+
/*
* Common implementation for various filesystem commands, optionally limited
* to a specific filesystem type via the fstype parameter.
*/
+int do_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
+ int fstype);
int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
- int fstype, int cmdline_base);
+ int fstype);
int do_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
int fstype);
+int file_exists(const char *dev_type, const char *dev_part, const char *file,
+ int fstype);
int do_save(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
- int fstype, int cmdline_base);
+ int fstype);
#endif /* _FS_H */