cgSetErrorCallback(3)

NAME
cgSetErrorCallback - set the error callback function

SYNOPSIS
  #include <Cg/cg.h>
  typedef void (*CGerrorCallbackFunc)( void );
  void cgSetErrorCallback( CGerrorCallbackFunc func );

PARAMETERS
A function pointer to the error callback function.

RETURN VALUES
None.

DESCRIPTION
cgSetErrorCallback sets a callback function that will be called every time an error occurrs. The callback function is not passed any parameters. It is assumed that the callback function will call cgGetError to obtain the current error. To disable the callback function, cgSetErrorCallback may be called with NULL.

EXAMPLES
The following is an example of how to set and use an error callback :

  void MyErrorCallback( void ) {
    int myError = cgGetError();
    fprintf(stderr, "CG ERROR : %s\n", cgGetErrorString(myError));
  }
  void main(int argc, char *argv[])
   {
    cgSetErrorCallback(MyErrorCallback);
    /* Do stuff */
   }

ERRORS
None.

HISTORY
cgSetErrorCallback was introduced in Cg 1.1.

SEE ALSO
the cgGetErrorCallback manpage, the cgGetError manpage, the cgGetErrorString manpage