cbfs_private.c File Reference

#include <commonlib/bsd/cbfs_private.h>
#include <assert.h>

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Data Structures
struct	cbfs_lookup_args

Functions
static enum cb_err	read_next_header (cbfs_dev_t dev, size_t *offset, struct cbfs_file *buffer, const size_t devsize)
enum cb_err	cbfs_walk (cbfs_dev_t dev, enum cb_err(*walker)(cbfs_dev_t dev, size_t offset, const union cbfs_mdata *mdata, size_t already_read, void *arg), void *arg, struct vb2_hash *metadata_hash, enum cbfs_walk_flags flags)
enum cb_err	cbfs_copy_fill_metadata (union cbfs_mdata *dst, const union cbfs_mdata *src, size_t already_read, cbfs_dev_t dev, size_t offset)
static enum cb_err	lookup_walker (cbfs_dev_t dev, size_t offset, const union cbfs_mdata *mdata, size_t already_read, void *arg)
enum cb_err	cbfs_lookup (cbfs_dev_t dev, const char *name, union cbfs_mdata *mdata_out, size_t *data_offset_out, struct vb2_hash *metadata_hash)
const void *	cbfs_find_attr (const union cbfs_mdata *mdata, uint32_t attr_tag, size_t size_check)
const struct vb2_hash *	cbfs_file_hash (const union cbfs_mdata *mdata)

Function Documentation

cbfs_copy_fill_metadata()

enum cb_err cbfs_copy_fill_metadata	(	union cbfs_mdata *	dst,
		const union cbfs_mdata *	src,
		size_t	already_read,
		cbfs_dev_t	dev,
		size_t	offset
	)

Definition at line 1 of file cbfs_private.c.

References ALIGN_UP, buffer, CB_CBFS_IO, CB_CBFS_NOT_FOUND, CB_SUCCESS, CBFS_ALIGNMENT, cbfs_dev_read(), CBFS_FILE_MAGIC, DEBUG, memcmp(), and offset.

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cbfs_file_hash()

const struct vb2_hash* cbfs_file_hash

(

const union cbfs_mdata *

mdata

)

Definition at line 199 of file cbfs_private.c.

References be32toh(), CBFS_FILE_ATTR_TAG_HASH, cbfs_find_attr(), ERROR, cbfs_file::filename, cbfs_mdata::h, cbfs_file_attr_hash::hash, cbfs_file_attr_hash::len, NULL, and offsetof.

Referenced by cbfs_file_hash_mismatch().

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cbfs_find_attr()

const void* cbfs_find_attr	(	const union cbfs_mdata *	mdata,
		uint32_t	attr_tag,
		size_t	size_check
	)

Definition at line 167 of file cbfs_private.c.

References cbfs_file::attributes_offset, be32toh(), ERROR, cbfs_file::filename, cbfs_mdata::h, cbfs_file_attribute::len, NULL, cbfs_file::offset, offset, cbfs_mdata::raw, and cbfs_file_attribute::tag.

Referenced by cbfs_file_hash(), do_alloc(), and rmodule_cbfs_allocator().

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cbfs_lookup()

enum cb_err cbfs_lookup	(	cbfs_dev_t	dev,
		const char *	name,
		union cbfs_mdata *	mdata_out,
		size_t *	data_offset_out,
		struct vb2_hash *	metadata_hash
	)

Definition at line 1 of file cbfs_private.c.

Referenced by _cbfs_unverified_area_alloc().

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cbfs_walk()

enum cb_err cbfs_walk	(	cbfs_dev_t	dev,
		enum cb_err(*)(cbfs_dev_t dev, size_t offset, const union cbfs_mdata *mdata, size_t already_read, void *arg)	walker,
		void *	arg,
		struct vb2_hash *	metadata_hash,
		enum cbfs_walk_flags	flags
	)

Definition at line 1 of file cbfs_private.c.

lookup_walker()

static enum cb_err lookup_walker ( cbfs_dev_t  dev, size_t  offset, const union cbfs_mdata *  mdata, size_t  already_read, void *  arg  )

static

Definition at line 1 of file cbfs_private.c.

read_next_header()

static enum cb_err read_next_header ( cbfs_dev_t  dev, size_t *  offset, struct cbfs_file *  buffer, const size_t  devsize  )

static

Definition at line 1 of file cbfs_private.c.