Base version of ncurses-5.7 library
diff --git a/ncurses/trace/visbuf.c b/ncurses/trace/visbuf.c
new file mode 100644
index 0000000..bf9fb14
--- /dev/null
+++ b/ncurses/trace/visbuf.c
@@ -0,0 +1,331 @@
+/****************************************************************************
+ * Copyright (c) 2001-2007,2008 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: Thomas E. Dickey 1996-on *
+ * and: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
+ * and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ ****************************************************************************/
+
+/*
+ * visbuf.c - Tracing/Debugging support routines
+ */
+
+#define NEED_NCURSES_CH_T
+#include <curses.priv.h>
+
+#include <tic.h>
+#include <ctype.h>
+
+MODULE_ID("$Id: visbuf.c,v 1.32 2008/08/04 23:07:39 tom Exp $")
+
+#define NormalLen(len) (size_t) (((size_t)(len) + 1) * 4)
+#define WideLen(len) (size_t) (((size_t)(len) + 1) * 4 * MB_CUR_MAX)
+
+#ifdef TRACE
+static const char d_quote[] = StringOf(D_QUOTE);
+static const char l_brace[] = StringOf(L_BRACE);
+static const char r_brace[] = StringOf(R_BRACE);
+#endif
+
+static char *
+_nc_vischar(char *tp, unsigned c)
+{
+ if (c == '"' || c == '\\') {
+ *tp++ = '\\';
+ *tp++ = (char) c;
+ } else if (is7bits(c) && (isgraph(c) || c == ' ')) {
+ *tp++ = (char) c;
+ } else if (c == '\n') {
+ *tp++ = '\\';
+ *tp++ = 'n';
+ } else if (c == '\r') {
+ *tp++ = '\\';
+ *tp++ = 'r';
+ } else if (c == '\b') {
+ *tp++ = '\\';
+ *tp++ = 'b';
+ } else if (c == '\033') {
+ *tp++ = '\\';
+ *tp++ = 'e';
+ } else if (UChar(c) == 0x7f) {
+ *tp++ = '\\';
+ *tp++ = '^';
+ *tp++ = '?';
+ } else if (is7bits(c) && iscntrl(UChar(c))) {
+ *tp++ = '\\';
+ *tp++ = '^';
+ *tp++ = (char) ('@' + c);
+ } else {
+ sprintf(tp, "\\%03lo", (unsigned long) ChCharOf(c));
+ tp += strlen(tp);
+ }
+ *tp = 0;
+ return tp;
+}
+
+static const char *
+_nc_visbuf2n(int bufnum, const char *buf, int len)
+{
+ const char *vbuf;
+ char *tp;
+ int c;
+
+ if (buf == 0)
+ return ("(null)");
+ if (buf == CANCELLED_STRING)
+ return ("(cancelled)");
+
+ if (len < 0)
+ len = (int) strlen(buf);
+
+#ifdef TRACE
+ vbuf = tp = _nc_trace_buf(bufnum, NormalLen(len));
+#else
+ {
+ static char *mybuf[4];
+ mybuf[bufnum] = typeRealloc(char, NormalLen(len), mybuf[bufnum]);
+ vbuf = tp = mybuf[bufnum];
+ }
+#endif
+ if (tp != 0) {
+ *tp++ = D_QUOTE;
+ while ((--len >= 0) && (c = *buf++) != '\0') {
+ tp = _nc_vischar(tp, UChar(c));
+ }
+ *tp++ = D_QUOTE;
+ *tp++ = '\0';
+ } else {
+ vbuf = ("(_nc_visbuf2n failed)");
+ }
+ return (vbuf);
+}
+
+NCURSES_EXPORT(const char *)
+_nc_visbuf2(int bufnum, const char *buf)
+{
+ return _nc_visbuf2n(bufnum, buf, -1);
+}
+
+NCURSES_EXPORT(const char *)
+_nc_visbuf(const char *buf)
+{
+ return _nc_visbuf2(0, buf);
+}
+
+NCURSES_EXPORT(const char *)
+_nc_visbufn(const char *buf, int len)
+{
+ return _nc_visbuf2n(0, buf, len);
+}
+
+#ifdef TRACE
+#if USE_WIDEC_SUPPORT
+
+#if defined(USE_TERMLIB)
+#define _nc_wchstrlen _my_wchstrlen
+static int
+_nc_wchstrlen(const cchar_t *s)
+{
+ int result = 0;
+ while (CharOf(s[result]) != L'\0') {
+ result++;
+ }
+ return result;
+}
+#endif
+
+static const char *
+_nc_viswbuf2n(int bufnum, const wchar_t *buf, int len)
+{
+ const char *vbuf;
+ char *tp;
+ wchar_t c;
+
+ if (buf == 0)
+ return ("(null)");
+
+ if (len < 0)
+ len = (int) wcslen(buf);
+
+#ifdef TRACE
+ vbuf = tp = _nc_trace_buf(bufnum, WideLen(len));
+#else
+ {
+ static char *mybuf[2];
+ mybuf[bufnum] = typeRealloc(char, WideLen(len), mybuf[bufnum]);
+ vbuf = tp = mybuf[bufnum];
+ }
+#endif
+ if (tp != 0) {
+ *tp++ = D_QUOTE;
+ while ((--len >= 0) && (c = *buf++) != '\0') {
+ char temp[CCHARW_MAX + 80];
+ int j = wctomb(temp, c), k;
+ if (j <= 0) {
+ sprintf(temp, "\\u%08X", (unsigned) c);
+ j = (int) strlen(temp);
+ }
+ for (k = 0; k < j; ++k) {
+ tp = _nc_vischar(tp, UChar(temp[k]));
+ }
+ }
+ *tp++ = D_QUOTE;
+ *tp++ = '\0';
+ } else {
+ vbuf = ("(_nc_viswbuf2n failed)");
+ }
+ return (vbuf);
+}
+
+NCURSES_EXPORT(const char *)
+_nc_viswbuf2(int bufnum, const wchar_t *buf)
+{
+ return _nc_viswbuf2n(bufnum, buf, -1);
+}
+
+NCURSES_EXPORT(const char *)
+_nc_viswbuf(const wchar_t *buf)
+{
+ return _nc_viswbuf2(0, buf);
+}
+
+NCURSES_EXPORT(const char *)
+_nc_viswbufn(const wchar_t *buf, int len)
+{
+ return _nc_viswbuf2n(0, buf, len);
+}
+
+/* this special case is used for wget_wstr() */
+NCURSES_EXPORT(const char *)
+_nc_viswibuf(const wint_t *buf)
+{
+ static wchar_t *mybuf;
+ static unsigned mylen;
+ unsigned n;
+
+ for (n = 0; buf[n] != 0; ++n) ;
+ if (mylen < ++n) {
+ mylen = n + 80;
+ if (mybuf != 0)
+ mybuf = typeRealloc(wchar_t, mylen, mybuf);
+ else
+ mybuf = typeMalloc(wchar_t, mylen);
+ }
+ for (n = 0; buf[n] != 0; ++n)
+ mybuf[n] = (wchar_t) buf[n];
+
+ return _nc_viswbuf2(0, mybuf);
+}
+#endif /* USE_WIDEC_SUPPORT */
+
+/* use these functions for displaying parts of a line within a window */
+NCURSES_EXPORT(const char *)
+_nc_viscbuf2(int bufnum, const NCURSES_CH_T * buf, int len)
+{
+ char *result = _nc_trace_buf(bufnum, BUFSIZ);
+ int first;
+ const char *found;
+
+ if (result != 0) {
+#if USE_WIDEC_SUPPORT
+ if (len < 0)
+ len = _nc_wchstrlen(buf);
+#endif /* USE_WIDEC_SUPPORT */
+
+ /*
+ * Display one or more strings followed by attributes.
+ */
+ first = 0;
+ while (first < len) {
+ attr_t attr = AttrOf(buf[first]);
+ int last = len - 1;
+ int j;
+
+ for (j = first + 1; j < len; ++j) {
+ if (!SameAttrOf(buf[j], buf[first])) {
+ last = j - 1;
+ break;
+ }
+ }
+
+ result = _nc_trace_bufcat(bufnum, l_brace);
+ result = _nc_trace_bufcat(bufnum, d_quote);
+ for (j = first; j <= last; ++j) {
+ found = _nc_altcharset_name(attr, (chtype) CharOf(buf[j]));
+ if (found != 0) {
+ result = _nc_trace_bufcat(bufnum, found);
+ attr &= ~A_ALTCHARSET;
+ } else
+#if USE_WIDEC_SUPPORT
+ if (!isWidecExt(buf[j])) {
+ PUTC_DATA;
+
+ PUTC_INIT;
+ for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) {
+ int k;
+
+ PUTC_ch = buf[j].chars[PUTC_i];
+ if (PUTC_ch == L'\0')
+ break;
+ PUTC_n = (int) wcrtomb(PUTC_buf, buf[j].chars[PUTC_i], &PUT_st);
+ if (PUTC_n <= 0)
+ break;
+ for (k = 0; k < PUTC_n; k++) {
+ char temp[80];
+ _nc_vischar(temp, UChar(PUTC_buf[k]));
+ result = _nc_trace_bufcat(bufnum, temp);
+ }
+ }
+ }
+#else
+ {
+ char temp[80];
+ _nc_vischar(temp, UChar(buf[j]));
+ result = _nc_trace_bufcat(bufnum, temp);
+ }
+#endif /* USE_WIDEC_SUPPORT */
+ }
+ result = _nc_trace_bufcat(bufnum, d_quote);
+ if (attr != A_NORMAL) {
+ result = _nc_trace_bufcat(bufnum, " | ");
+ result = _nc_trace_bufcat(bufnum, _traceattr2(bufnum + 20, attr));
+ }
+ result = _nc_trace_bufcat(bufnum, r_brace);
+ first = last + 1;
+ }
+ }
+ return result;
+}
+
+NCURSES_EXPORT(const char *)
+_nc_viscbuf(const NCURSES_CH_T * buf, int len)
+{
+ return _nc_viscbuf2(0, buf, len);
+}
+#endif /* TRACE */