CARDRead

C Specification

#include <revolution/card.h>

#define CARD_READ_SIZE      512

s32 CARDRead(CARDFileInfo* fileInfo, void* buf, s32 length, s32 offset);

Arguments

`fileInfo`	Pointer to the file information of the file to read. `fileInfo` must be valid file info that was initialized using the `CARD[Fast]Open` or `CARDCreate[Async]` function.
`buf`	Buffer address (32-byte alignment).
`length`	Number of bytes to read (multiple of `CARD_READ_SIZE`).
`offset`	The position of the file to start read (multiple of `CARD_READ_SIZE`).

Return Values

One of the following codes:

CARD_RESULT_FATAL_ERROR CARD_RESULT_NOCARD CARD_RESULT_BUSY CARD_RESULT_NOFILE CARD_RESULT_NOPERM CARD_RESULT_LIMIT CARD_RESULT_CANCELED CARD_RESULT_READY

Description

Synchronously reads data from a file.

Revision History