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CPU_SIZE_T  FSFile_Rd (FS_FILE     *p_file,
                       void        *p_dest,
                       CPU_SIZE_T   size,
                       FS_ERR      *p_err);

File

Called from

Code enabled by

fs_file.c

Application;

fs_fread()

N/A

Read from a file.

See fs_fread() for more information.

Arguments

p_file

Pointer to a file.

p_dest

Pointer to destination buffer.

size

Number of octets to read.

p_err

Pointer to variable that will the receive return error code from the function:

FS_ERR_NONE

File read successfully.

FS_ERR_EOF

End-of-file reached.

FS_ERR_NULL_PTR

Argument p_file/p_dest passed a NULL pointer.

FS_ERR_INVALID_TYPE

Argument p_file's type is invalid or unknown.

FS_ERR_FILE_NOT_OPEN

File not open.

FS_ERR_FILE_INVALID_OP

Invalid operation on file.

FS_ERR_DEV

Device access error.

Returned Value

The number of bytes read, if file read successful.

0, otherwise.

Notes/Warnings

None.

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