Base version of ncurses-5.7 library
diff --git a/ncurses/trace/lib_tracebits.c b/ncurses/trace/lib_tracebits.c
new file mode 100644
index 0000000..cc441b3
--- /dev/null
+++ b/ncurses/trace/lib_tracebits.c
@@ -0,0 +1,266 @@
+/****************************************************************************
+ * 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 *
+ * "Software"), to deal in the Software without restriction, including *
+ * without limitation the rights to use, copy, modify, merge, publish, *
+ * distribute, distribute with modifications, sublicense, and/or sell *
+ * copies of the Software, and to permit persons to whom the Software is *
+ * furnished to do so, subject to the following conditions: *
+ * *
+ * The above copyright notice and this permission notice shall be included *
+ * in all copies or substantial portions of the Software. *
+ * *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
+ * *
+ * Except as contained in this notice, the name(s) of the above copyright *
+ * holders shall not be used in advertising or otherwise to promote the *
+ * sale, use or other dealings in this Software without prior written *
+ * authorization. *
+ ****************************************************************************/
+
+/****************************************************************************
+ * 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> /* cur_term */
+
+MODULE_ID("$Id: lib_tracebits.c,v 1.17 2008/08/03 16:09:26 tom Exp $")
+
+#if SVR4_TERMIO && !defined(_POSIX_SOURCE)
+#define _POSIX_SOURCE
+#endif
+
+#if HAVE_SYS_TERMIO_H
+#include <sys/termio.h> /* needed for ISC */
+#endif
+
+#ifdef __EMX__
+#include <io.h>
+#endif
+
+/* may be undefined if we're using termio.h */
+#ifndef TOSTOP
+#define TOSTOP 0
+#endif
+
+#ifndef IEXTEN
+#define IEXTEN 0
+#endif
+
+#ifndef ONLCR
+#define ONLCR 0
+#endif
+
+#ifndef OCRNL
+#define OCRNL 0
+#endif
+
+#ifndef ONOCR
+#define ONOCR 0
+#endif
+
+#ifndef ONLRET
+#define ONLRET 0
+#endif
+
+#ifdef TRACE
+
+typedef struct {
+ unsigned int val;
+ const char *name;
+} BITNAMES;
+
+static void
+lookup_bits(char *buf, const BITNAMES * table, const char *label, unsigned int val)
+{
+ const BITNAMES *sp;
+
+ (void) strcat(buf, label);
+ (void) strcat(buf, ": {");
+ for (sp = table; sp->name; sp++)
+ if (sp->val != 0
+ && (val & sp->val) == sp->val) {
+ (void) strcat(buf, sp->name);
+ (void) strcat(buf, ", ");
+ }
+ if (buf[strlen(buf) - 2] == ',')
+ buf[strlen(buf) - 2] = '\0';
+ (void) strcat(buf, "} ");
+}
+
+NCURSES_EXPORT(char *)
+_nc_trace_ttymode(TTY * tty)
+/* describe the state of the terminal control bits exactly */
+{
+ char *buf;
+
+#ifdef TERMIOS
+ static const BITNAMES iflags[] =
+ {
+ {BRKINT, "BRKINT"},
+ {IGNBRK, "IGNBRK"},
+ {IGNPAR, "IGNPAR"},
+ {PARMRK, "PARMRK"},
+ {INPCK, "INPCK"},
+ {ISTRIP, "ISTRIP"},
+ {INLCR, "INLCR"},
+ {IGNCR, "IGNC"},
+ {ICRNL, "ICRNL"},
+ {IXON, "IXON"},
+ {IXOFF, "IXOFF"},
+ {0, NULL}
+#define ALLIN (BRKINT|IGNBRK|IGNPAR|PARMRK|INPCK|ISTRIP|INLCR|IGNCR|ICRNL|IXON|IXOFF)
+ }, oflags[] =
+ {
+ {OPOST, "OPOST"},
+ {OFLAGS_TABS, "XTABS"},
+ {ONLCR, "ONLCR"},
+ {OCRNL, "OCRNL"},
+ {ONOCR, "ONOCR"},
+ {ONLRET, "ONLRET"},
+ {0, NULL}
+#define ALLOUT (OPOST|OFLAGS_TABS|ONLCR|OCRNL|ONOCR|ONLRET)
+ }, cflags[] =
+ {
+ {CLOCAL, "CLOCAL"},
+ {CREAD, "CREAD"},
+ {CSTOPB, "CSTOPB"},
+#if !defined(CS5) || !defined(CS8)
+ {CSIZE, "CSIZE"},
+#endif
+ {HUPCL, "HUPCL"},
+ {PARENB, "PARENB"},
+ {PARODD | PARENB, "PARODD"}, /* concession to readability */
+ {0, NULL}
+#define ALLCTRL (CLOCAL|CREAD|CSIZE|CSTOPB|HUPCL|PARENB|PARODD)
+ }, lflags[] =
+ {
+ {ECHO, "ECHO"},
+ {ECHOE | ECHO, "ECHOE"}, /* concession to readability */
+ {ECHOK | ECHO, "ECHOK"}, /* concession to readability */
+ {ECHONL, "ECHONL"},
+ {ICANON, "ICANON"},
+ {ISIG, "ISIG"},
+ {NOFLSH, "NOFLSH"},
+ {TOSTOP, "TOSTOP"},
+ {IEXTEN, "IEXTEN"},
+ {0, NULL}
+#define ALLLOCAL (ECHO|ECHONL|ICANON|ISIG|NOFLSH|TOSTOP|IEXTEN)
+ };
+
+ buf = _nc_trace_buf(0,
+ 8 + sizeof(iflags) +
+ 8 + sizeof(oflags) +
+ 8 + sizeof(cflags) +
+ 8 + sizeof(lflags) +
+ 8);
+ if (buf != 0) {
+
+ if (tty->c_iflag & ALLIN)
+ lookup_bits(buf, iflags, "iflags", tty->c_iflag);
+
+ if (tty->c_oflag & ALLOUT)
+ lookup_bits(buf, oflags, "oflags", tty->c_oflag);
+
+ if (tty->c_cflag & ALLCTRL)
+ lookup_bits(buf, cflags, "cflags", tty->c_cflag);
+
+#if defined(CS5) && defined(CS8)
+ {
+ static struct {
+ int value;
+ const char *name;
+ } csizes[] = {
+#define CS_DATA(name) { name, #name " " }
+ CS_DATA(CS5),
+#ifdef CS6
+ CS_DATA(CS6),
+#endif
+#ifdef CS7
+ CS_DATA(CS7),
+#endif
+ CS_DATA(CS8),
+ };
+ const char *result = "CSIZE? ";
+ int value = (tty->c_cflag & CSIZE);
+ unsigned n;
+
+ if (value != 0) {
+ for (n = 0; n < SIZEOF(csizes); n++) {
+ if (csizes[n].value == value) {
+ result = csizes[n].name;
+ break;
+ }
+ }
+ }
+ strcat(buf, result);
+ }
+#endif
+
+ if (tty->c_lflag & ALLLOCAL)
+ lookup_bits(buf, lflags, "lflags", tty->c_lflag);
+ }
+#else
+ /* reference: ttcompat(4M) on SunOS 4.1 */
+#ifndef EVENP
+#define EVENP 0
+#endif
+#ifndef LCASE
+#define LCASE 0
+#endif
+#ifndef LLITOUT
+#define LLITOUT 0
+#endif
+#ifndef ODDP
+#define ODDP 0
+#endif
+#ifndef TANDEM
+#define TANDEM 0
+#endif
+
+ static const BITNAMES cflags[] =
+ {
+ {CBREAK, "CBREAK"},
+ {CRMOD, "CRMOD"},
+ {ECHO, "ECHO"},
+ {EVENP, "EVENP"},
+ {LCASE, "LCASE"},
+ {LLITOUT, "LLITOUT"},
+ {ODDP, "ODDP"},
+ {RAW, "RAW"},
+ {TANDEM, "TANDEM"},
+ {XTABS, "XTABS"},
+ {0, NULL}
+#define ALLCTRL (CBREAK|CRMOD|ECHO|EVENP|LCASE|LLITOUT|ODDP|RAW|TANDEM|XTABS)
+ };
+
+ buf = _nc_trace_buf(0,
+ 8 + sizeof(cflags));
+ if (buf != 0) {
+ if (tty->sg_flags & ALLCTRL) {
+ lookup_bits(buf, cflags, "cflags", tty->sg_flags);
+ }
+ }
+#endif
+ return (buf);
+}
+
+NCURSES_EXPORT(char *)
+_nc_tracebits(void)
+{
+ return _nc_trace_ttymode(&(cur_term->Nttyb));
+}
+#else
+EMPTY_MODULE(_nc_tracebits)
+#endif /* TRACE */