Prosoft-technology MVI56E-LDM Uživatelský manuál stáhnout pdf (Strana 196)

CIP API Functions ControlLogix Platform ♦ "C" Programmable

Developer's Manual Linux Application Development Module

Page 190 of 264 ProSoft Technology, Inc.

March 12, 2014

OCXcip_ErrorString

Syntax

int OCXcip_ErrorString (int errorcode,

char * buf);

Parameters

errcode

Error code returned from an API function

buf

Pointer to user buffer to receive message

Description

OCXcip_ErrorString returns a text error message associated with the error code

errcode. The Null-terminated error message is copied into the buffer specified by

buf. The buffer should be a minimum of 80 characters in length.

Return Value

OCX_SUCCESS

Message returned in buff

OCX_ERR_BADPARAM

Unknown error code

Example

char buf[80];

int rc;

//SOme OCX API is called

rc=OCXcip_.....(.....);

if (rc !=OCX_SUCCESS)

{

// Print error message

OCXcip_ErrorString (rc, buf };

printf ("Error: %s", buf);

}

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