NAME

tt_error − Interpose a function to detect errors returned from the ToolTalk API. 

SYNOPSIS

#include <Tt/tt_c.h>
void tt_error ( const char ∗funcname, Tt_status status );

DESCRIPTION

The tt_error() function is a publicly-known null function. This functions is called by the ToolTalk library just before it returns from any ToolTalk API call that has a status other than TT_OK. The name of the function that is about to return and the status code is passed. 

You can use this call to set a dbx breakpoint in tt_error to quickly catch and trace back any ToolTalk errors. You can also interpose this function, for example, to log ToolTalk errors to stderr. 

APPLICATION USAGE

The following code example shows how an application might interpose this function to log ToolTalk errors to stderr

void tt_error(const char ∗funcname, Tt_status status) {
fprintf(stderr, "ToolTalk function %s returned %s.\n",
funcname, tt_status_message(status));
}

SEE ALSO

tt_c(5)

ToolTalk 1.3  —  Last change: 1 March 1996