#include <curses.priv.h>
-MODULE_ID("$Id: lib_tracemse.c,v 1.20 2012/02/22 22:40:24 tom Exp $")
+MODULE_ID("$Id: lib_tracemse.c,v 1.21 2012/12/15 23:51:19 tom Exp $")
#ifdef TRACE
NCURSES_EXPORT(char *)
_nc_tracemouse(SCREEN *sp, MEVENT const *ep)
{
- _nc_SPRINTF(my_buffer, _nc_SLIMIT(sizeof(my_buffer))
- TRACEMSE_FMT,
- ep->id,
- ep->x,
- ep->y,
- ep->z,
- (unsigned long) ep->bstate);
-
- (void) _trace_mmask_t(sp, ep->bstate);
- _nc_STRCAT(my_buffer, "}", sizeof(my_buffer));
- return (my_buffer);
+ char *result = 0;
+
+ if (sp != 0) {
+ _nc_SPRINTF(my_buffer, _nc_SLIMIT(sizeof(my_buffer))
+ TRACEMSE_FMT,
+ ep->id,
+ ep->x,
+ ep->y,
+ ep->z,
+ (unsigned long) ep->bstate);
+
+ (void) _trace_mmask_t(sp, ep->bstate);
+ _nc_STRCAT(my_buffer, "}", sizeof(my_buffer));
+ result = (my_buffer);
+ }
+ return result;
}
NCURSES_EXPORT(mmask_t)
_nc_retrace_mmask_t(SCREEN *sp, mmask_t code)
{
- *my_buffer = '\0';
- T((T_RETURN("{%s}"), _trace_mmask_t(sp, code)));
+ if (sp != 0) {
+ *my_buffer = '\0';
+ T((T_RETURN("{%s}"), _trace_mmask_t(sp, code)));
+ } else {
+ T((T_RETURN("{?}")));
+ }
return code;
}