/*----------------------------------------------------------------------------
*
* EAS_HWGetDWord
*
* Read a 16-bit value from the file
*----------------------------------------------------------------------------
*/
EAS_RESULT EAS_HWGetDWord (EAS_HW_DATA_HANDLE hwInstData, EAS_FILE_HANDLE file, void *p, EAS_BOOL msbFirst)
{
EAS_RESULT result;
EAS_I32 count;
EAS_U8 c[4];
#ifdef DEBUG_FILE_IO
EAS_ReportX(_EAS_SEVERITY_NOFILTER, "EAS_HWGetDWord: Reading 4 bytes from position %d\n", file->filePos);
#endif
/* read 4 bytes from the file */
if ((result = EAS_HWReadFile(hwInstData, file, c, 4, &count)) != EAS_SUCCESS)
return result;
/* order them as requested */
if (msbFirst)
*((EAS_U32*) p) = ((EAS_U32) c[0] << 24) | ((EAS_U32) c[1] << 16) | ((EAS_U32) c[2] << 8) | c[3];
else
*((EAS_U32*) p) = ((EAS_U32) c[3] << 24) | ((EAS_U32) c[2] << 16) | ((EAS_U32) c[1] << 8) | c[0];
return EAS_SUCCESS;
}
/*lint -esym(715, hwInstData) hwInstData available for customer use */
EAS_RESULT EAS_HWGetByte (EAS_HW_DATA_HANDLE hwInstData, EAS_FILE_HANDLE file, void *p)
{
EAS_I32 numread;
return EAS_HWReadFile(hwInstData, file, p, 1, &numread);
}
