/****************************************************************************
- * Copyright (c) 1998-2001,2002 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2007,2008 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>
#include <term.h> /* ena_acs, acs_chars */
-MODULE_ID("$Id: lib_acs.c,v 1.25 2002/12/28 16:26:46 tom Exp $")
+MODULE_ID("$Id: lib_acs.c,v 1.37 2009/03/21 19:39:23 tom Exp $")
-#if BROKEN_LINKER
+#if BROKEN_LINKER || USE_REENTRANT
+#define MyBuffer _nc_prescreen.real_acs_map
NCURSES_EXPORT_VAR(chtype *)
-_nc_acs_map(void)
+NCURSES_PUBLIC_VAR(acs_map)(void)
{
- static chtype *the_map = 0;
- if (the_map == 0)
- the_map = typeCalloc(chtype, ACS_LEN);
- return the_map;
+ if (MyBuffer == 0)
+ MyBuffer = typeCalloc(chtype, ACS_LEN);
+ return MyBuffer;
}
+#undef MyBuffer
#else
NCURSES_EXPORT_VAR(chtype) acs_map[ACS_LEN] =
{
for (j = 1; j < ACS_LEN; ++j) {
real_map[j] = 0;
fake_map[j] = A_ALTCHARSET | j;
+ if (SP)
+ SP->_screen_acs_map[j] = FALSE;
}
} else {
for (j = 1; j < ACS_LEN; ++j) {
real_map['|'] = '!'; /* should be not-equal */
real_map['}'] = 'f'; /* should be pound-sterling symbol */
-#if !USE_WIDEC_SUPPORT
- if (_nc_unicode_locale() && _nc_locale_breaks_acs()) {
- acs_chars = NULL;
- ena_acs = NULL;
- }
-#endif
-
if (ena_acs != NULL) {
TPUTS_TRACE("ena_acs");
putp(ena_acs);
}
+#if NCURSES_EXT_FUNCS
+ /*
+ * Linux console "supports" the "PC ROM" character set by the coincidence
+ * that smpch/rmpch and smacs/rmacs have the same values. ncurses has
+ * no codepage support (see SCO Merge for an example). Outside of the
+ * values defined in acsc, there are no definitions for the "PC ROM"
+ * character set (assumed by some applications to be codepage 437), but we
+ * allow those applications to use those codepoints.
+ *
+ * test/blue.c uses this feature.
+ */
+#define PCH_KLUDGE(a,b) (a != 0 && b != 0 && !strcmp(a,b))
+ if (PCH_KLUDGE(enter_pc_charset_mode, enter_alt_charset_mode) &&
+ PCH_KLUDGE(exit_pc_charset_mode, exit_alt_charset_mode)) {
+ size_t i;
+ for (i = 1; i < ACS_LEN; ++i) {
+ if (real_map[i] == 0) {
+ real_map[i] = i;
+ if (real_map != fake_map) {
+ if (SP != 0)
+ SP->_screen_acs_map[i] = TRUE;
+ }
+ }
+ }
+ }
+#endif
if (acs_chars != NULL) {
size_t i = 0;
while (i + 1 < length) {
if (acs_chars[i] != 0 && UChar(acs_chars[i]) < ACS_LEN) {
real_map[UChar(acs_chars[i])] = UChar(acs_chars[i + 1]) | A_ALTCHARSET;
+ if (SP != 0)
+ SP->_screen_acs_map[UChar(acs_chars[i])] = TRUE;
}
i += 2;
}
/* Show the equivalent mapping, noting if it does not match the
* given attribute, whether by re-ordering or duplication.
*/
- if (_nc_tracing & TRACE_CALLS) {
+ if (USE_TRACEF(TRACE_CALLS)) {
size_t n, m;
- char show[ACS_LEN + 1];
+ char show[ACS_LEN * 2 + 1];
for (n = 1, m = 0; n < ACS_LEN; n++) {
if (real_map[n] != 0) {
show[m++] = (char) n;
- show[m++] = ChCharOf(real_map[n]);
+ show[m++] = (char) ChCharOf(real_map[n]);
}
}
show[m] = 0;
+ if (acs_chars == NULL || strcmp(acs_chars, show))
+ _tracef("%s acs_chars %s",
+ (acs_chars == NULL) ? "NULL" : "READ",
+ _nc_visbuf(acs_chars));
_tracef("%s acs_chars %s",
(acs_chars == NULL)
? "NULL"
? "DIFF"
: "SAME"),
_nc_visbuf(show));
+ _nc_unlock_global(tracef);
}
#endif /* TRACE */
}