/****************************************************************************
- * Copyright (c) 1998-2001,2002 Free Software Foundation, Inc. *
+ * Copyright 2020,2024 Thomas E. Dickey *
+ * Copyright 1998-2009,2012 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ * and: Thomas E. Dickey 1996-on *
****************************************************************************/
/*
*/
#include <curses.priv.h>
-MODULE_ID("$Id: lib_tracechr.c,v 1.9 2002/05/25 23:34:19 tom Exp $")
+#include <ctype.h>
+
+MODULE_ID("$Id: lib_tracechr.c,v 1.24 2024/02/04 00:11:35 tom Exp $")
#ifdef TRACE
+
+#define MyBufSize sizeof(_nc_globals.tracechr_buf)
+
+NCURSES_EXPORT(char *)
+_nc_tracechar(SCREEN *sp, int ch)
+{
+ NCURSES_CONST char *name;
+ char *MyBuffer = ((sp != 0)
+ ? sp->tracechr_buf
+ : _nc_globals.tracechr_buf);
+
+ if ((ch > KEY_MIN && !_nc_unicode_locale()) || ch < 0) {
+ name = safe_keyname(SP_PARM, ch);
+ if (name == 0 || *name == '\0')
+ name = "NULL";
+ _nc_SPRINTF(MyBuffer, _nc_SLIMIT(MyBufSize)
+ "'%.30s' = \\x%02x", name, ch);
+ } else if (!is8bits(ch)
+ || (_nc_unicode_locale() && !is7bits(ch))
+ || !isprint(UChar(ch))) {
+ /*
+ * workaround for glibc bug:
+ * sprintf changes the result from unctrl() to an empty string if it
+ * does not correspond to a valid multibyte sequence.
+ */
+ _nc_SPRINTF(MyBuffer, _nc_SLIMIT(MyBufSize)
+ "\\x%02x", ch);
+ } else {
+ name = safe_unctrl(SP_PARM, (chtype) ch);
+ if (name == 0 || *name == 0)
+ name = "null"; /* shouldn't happen */
+ _nc_SPRINTF(MyBuffer, _nc_SLIMIT(MyBufSize)
+ "'%.30s' = \\x%02x", name, ch);
+ }
+ return (MyBuffer);
+}
+
NCURSES_EXPORT(char *)
_tracechar(int ch)
{
- static char crep[40];
- (void) sprintf(crep, "'%.30s' = %#03o",
- ((ch > KEY_MIN || ch < 0)
- ? keyname(ch)
- : unctrl(ch)),
- ch);
- return (crep);
+ return _nc_tracechar(CURRENT_SCREEN, ch);
}
#else
-empty_module(_nc_lib_tracechr)
+EMPTY_MODULE(_nc_lib_tracechr)
#endif