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WIP dropped lfs_fs_getattr for more implicit lfs_getattr("/")

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Christopher Haster
2018-08-11 23:05:52 -05:00
parent 533b3bf686
commit 4264b28aa3
4 changed files with 107 additions and 131 deletions
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31
lfs.h
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@@ -94,7 +94,7 @@ enum lfs_type {
// internally used types
LFS_TYPE_USER = 0x100,
LFS_TYPE_SUPERBLOCK = 0x011,
LFS_TYPE_ROOT = 0x012,
LFS_TYPE_ROOT = 0x010,
LFS_TYPE_NAME = 0x000,
LFS_TYPE_DELETE = 0x030,
LFS_TYPE_STRUCT = 0x040,
@@ -624,35 +624,6 @@ lfs_ssize_t lfs_fs_size(lfs_t *lfs);
// Returns a negative error code on failure.
int lfs_fs_traverse(lfs_t *lfs, int (*cb)(void*, lfs_block_t), void *data);
// Get custom attributes on the filesystem
//
// Custom attributes are uniquely identified by an 8-bit type and limited
// to LFS_ATTR_MAX bytes. When read, if the stored attribute is smaller than
// the buffer, it will be padded with zeros. If the stored attribute is larger,
// then it will be silently truncated.
//
// Note, filesystem-level attributes are not available for wear-leveling
//
// Returns the size of the attribute, or a negative error code on failure.
// Note, the returned size is the size of the attribute on disk, irrespective
// of the size of the buffer. This can be used to dynamically allocate a buffer
// or check for existance.
lfs_ssize_t lfs_fs_getattr(lfs_t *lfs,
uint8_t type, void *buffer, lfs_size_t size);
// Set custom attributes on the filesystem
//
// Custom attributes are uniquely identified by an 8-bit type and limited
// to LFS_ATTR_MAX bytes. If an attribute is not found, it will be
// implicitly created, and setting the size of an attribute to zero deletes
// the attribute.
//
// Note, filesystem-level attributes are not available for wear-leveling
//
// Returns a negative error code on failure.
int lfs_fs_setattr(lfs_t *lfs,
uint8_t type, const void *buffer, lfs_size_t size);
#ifdef __cplusplus
} /* extern "C" */