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Re: About structure definition

Stefan Fricke

To avoid flames, if I try to reply a cannot find a 'post' nor 'preview' button,
so I must start a new message thread.
Sorry for the inconvinience.

Dear KEIL Support Team, can you solve the
problem with posting ?

----------------------------------------
It simply sets the all MInfo.'values' to a defined status, that is right.
It was probably used with the intention to
preset more than one variable of type
MfCmdInfo.

Example:

MfCmdInfo MInfo, MSecondInfo, MAnotherInfo;

ResetInfo(MInfo);
ResetInfo(MSecondInfo);
ResetInfo(MAnotherInfo);

will result in:

MInfo.cmd=0
MInfo.status=MI_OK;
.....

MSecondInfo.cmd=0;
MSecondInfo.status=MI_OK;
.....

MAnotherInfo.cmd=0;
MAnotherInfo.status=MI_OK;
.....

For the rest I'm confirm with Drew, it is a simply substitution macro and if we misunderstand you, let us know , what
exactly you want to try.

Stefan

Parents
  • 0 in reply to Stefan Fricke

    "Which begs the question: why use a macro rather than a true function, or memset?"

    To use a function, you'd have to pass a pointer to the structure; maybe the original author didn't understand how to use structure pointers?

    Or maybe he was worried about efficiency - in which case memset would have been better.

Reply
  • 0 in reply to Stefan Fricke

    "Which begs the question: why use a macro rather than a true function, or memset?"

    To use a function, you'd have to pass a pointer to the structure; maybe the original author didn't understand how to use structure pointers?

    Or maybe he was worried about efficiency - in which case memset would have been better.

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