Initializing help system before first use

XPRS_ge_getlasterror

XPRS_ge_getlasterror

Purpose
Returns the last error encountered during a call to the Xpress global environment.
Synopsis
int XPRS_CC XPRS_ge_getlasterror(int* iMsgCode, char* _msg, int _iStringBufferBytes, int* _iBytesInInternalString);
Arguments
iMsgCode 
Memory location in which the error code will be returned. Can be NULL if not required.
_msg 
A character buffer of size iStringBufferBytes in which the last error message relating to the global environment will be returned.
iStringBufferBytes 
The size of the character buffer _msg.
_iBytesInInternalString 
Memory location in which the minimum required size of the buffer to hold the full error string will be returned. Can be NULL if not required.
Example
The following shows how this function might be used in error checking: 
char* cbuf;
int cbuflen;
if (XPRS_ge_setcbmsghandler(myfunc,NULL)!=0) {
  XPRS_ge_getlasterror(NULL,NULL,0,&cbuflen);
  cbuf = malloc(cbuflen);
  XPRS_ge_getlasterror(NULL, cbuf, cbuflen, NULL);
  printf("ERROR from Xpress global environment: %s\n", cbuf);
}
Related topics
XPRS_ge_setcbmsghandler.

Parent Topic Console and Library Functions

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