SysFileEOF (FUN)

FUNCTION SysFileEOF : RTS_IEC_RESULT

Check, if end of file is reached

Note

End of file is only checked after a read operation with SysFileRead! But after a SysFileWrite or SysFileSetPos call, the function returns ERR_FAILED (no end of file)!

InOut:

Scope

Name

Type

Comment

Return

SysFileEOF

RTS_IEC_RESULT
Returns the runtime system error code (see CmpErrors.library):

  • ERR_OK: End of file reached at reading beyond the end of the file

  • ERR_FAILED: No end of file reached

  • ERR_PARAMETER: hFile is invalid

Input

hFile

RTS_IEC_HANDLE

Handle of the file