Manpages - ts_error_fn.3

ts_error_fn - use a custom error function for libts library errors

  #include <tslib.h>

  "int(*ts_error_fn)(constchar*fmt,va_listap);

*ts_error_fn*() is by default implemented similar like this:

  static int errfn(const char *fmt, va_list ap)
  {
          return vfprintf(stderr, fmt, ap);
  }       

inside the library. It is exposed to the user and can be replaced by a custom error function. Simply assign your custom implementation to ts_error_fn like

  ts_error_fn = my_custom_errfn;

It can be used to write the system log files, for example. The ts_print_mt test program has an example.

user defined.

*ts_read*(3), *ts_open*(3), *ts_setup*(3), *ts_close*(3), *ts.conf*(5)