Update to ncurses-6.0
Change-Id: I98ab2ea8a5e13cca9f8b7cf6277b9b14a4da4299
diff --git a/ncurses/trace/visbuf.c b/ncurses/trace/visbuf.c
index bf9fb14..fec0643 100644
--- a/ncurses/trace/visbuf.c
+++ b/ncurses/trace/visbuf.c
@@ -1,5 +1,5 @@
/****************************************************************************
- * Copyright (c) 2001-2007,2008 Free Software Foundation, Inc. *
+ * Copyright (c) 2001-2012,2014 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 *
@@ -42,10 +42,12 @@
#include <tic.h>
#include <ctype.h>
-MODULE_ID("$Id: visbuf.c,v 1.32 2008/08/04 23:07:39 tom Exp $")
+MODULE_ID("$Id: visbuf.c,v 1.44 2014/09/25 08:51:13 tom Exp $")
+
+#define NUM_VISBUFS 4
#define NormalLen(len) (size_t) (((size_t)(len) + 1) * 4)
-#define WideLen(len) (size_t) (((size_t)(len) + 1) * 4 * MB_CUR_MAX)
+#define WideLen(len) (size_t) (((size_t)(len) + 1) * 4 * (size_t) MB_CUR_MAX)
#ifdef TRACE
static const char d_quote[] = StringOf(D_QUOTE);
@@ -53,13 +55,21 @@
static const char r_brace[] = StringOf(R_BRACE);
#endif
+#if USE_STRING_HACKS && HAVE_SNPRINTF
+#define VisChar(tp, chr, limit) _nc_vischar(tp, chr, limit)
+#define LIMIT_ARG ,size_t limit
+#else
+#define VisChar(tp, chr, limit) _nc_vischar(tp, chr)
+#define LIMIT_ARG /* nothing */
+#endif
+
static char *
-_nc_vischar(char *tp, unsigned c)
+_nc_vischar(char *tp, unsigned c LIMIT_ARG)
{
if (c == '"' || c == '\\') {
*tp++ = '\\';
*tp++ = (char) c;
- } else if (is7bits(c) && (isgraph(c) || c == ' ')) {
+ } else if (is7bits((int) c) && (isgraph((int) c) || c == ' ')) {
*tp++ = (char) c;
} else if (c == '\n') {
*tp++ = '\\';
@@ -82,7 +92,8 @@
*tp++ = '^';
*tp++ = (char) ('@' + c);
} else {
- sprintf(tp, "\\%03lo", (unsigned long) ChCharOf(c));
+ _nc_SPRINTF(tp, _nc_SLIMIT(limit)
+ "\\%03lo", (unsigned long) ChCharOf(c));
tp += strlen(tp);
}
*tp = 0;
@@ -92,9 +103,10 @@
static const char *
_nc_visbuf2n(int bufnum, const char *buf, int len)
{
- const char *vbuf;
+ const char *vbuf = 0;
char *tp;
int c;
+ int count;
if (buf == 0)
return ("(null)");
@@ -104,22 +116,30 @@
if (len < 0)
len = (int) strlen(buf);
+ count = len;
#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];
+ static char *mybuf[NUM_VISBUFS];
+ if (bufnum < 0) {
+ for (c = 0; c < NUM_VISBUFS; ++c) {
+ FreeAndNull(mybuf[c]);
+ }
+ tp = 0;
+ } else {
+ 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));
+ while ((--count >= 0) && (c = *buf++) != '\0') {
+ tp = VisChar(tp, UChar(c), NormalLen(len));
}
*tp++ = D_QUOTE;
- *tp++ = '\0';
+ *tp = '\0';
} else {
vbuf = ("(_nc_visbuf2n failed)");
}
@@ -166,6 +186,7 @@
const char *vbuf;
char *tp;
wchar_t c;
+ int count;
if (buf == 0)
return ("(null)");
@@ -173,30 +194,32 @@
if (len < 0)
len = (int) wcslen(buf);
+ count = len;
#ifdef TRACE
vbuf = tp = _nc_trace_buf(bufnum, WideLen(len));
#else
{
- static char *mybuf[2];
+ static char *mybuf[NUM_VISBUFS];
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') {
+ while ((--count >= 0) && (c = *buf++) != '\0') {
char temp[CCHARW_MAX + 80];
int j = wctomb(temp, c), k;
if (j <= 0) {
- sprintf(temp, "\\u%08X", (unsigned) c);
+ _nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp))
+ "\\u%08X", (unsigned) c);
j = (int) strlen(temp);
}
for (k = 0; k < j; ++k) {
- tp = _nc_vischar(tp, UChar(temp[k]));
+ tp = VisChar(tp, UChar(temp[k]), WideLen(len));
}
}
*tp++ = D_QUOTE;
- *tp++ = '\0';
+ *tp = '\0';
} else {
vbuf = ("(_nc_viswbuf2n failed)");
}
@@ -229,7 +252,9 @@
static unsigned mylen;
unsigned n;
- for (n = 0; buf[n] != 0; ++n) ;
+ for (n = 0; buf[n] != 0; ++n) {
+ ; /* empty */
+ }
if (mylen < ++n) {
mylen = n + 80;
if (mybuf != 0)
@@ -237,8 +262,12 @@
else
mybuf = typeMalloc(wchar_t, mylen);
}
- for (n = 0; buf[n] != 0; ++n)
- mybuf[n] = (wchar_t) buf[n];
+ if (mybuf != 0) {
+ for (n = 0; buf[n] != 0; ++n) {
+ mybuf[n] = (wchar_t) buf[n];
+ }
+ mybuf[n] = L'\0';
+ }
return _nc_viswbuf2(0, mybuf);
}
@@ -248,7 +277,7 @@
NCURSES_EXPORT(const char *)
_nc_viscbuf2(int bufnum, const NCURSES_CH_T * buf, int len)
{
- char *result = _nc_trace_buf(bufnum, BUFSIZ);
+ char *result = _nc_trace_buf(bufnum, (size_t) BUFSIZ);
int first;
const char *found;
@@ -274,12 +303,12 @@
}
}
- result = _nc_trace_bufcat(bufnum, l_brace);
- result = _nc_trace_bufcat(bufnum, d_quote);
+ (void) _nc_trace_bufcat(bufnum, l_brace);
+ (void) _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);
+ (void) _nc_trace_bufcat(bufnum, found);
attr &= ~A_ALTCHARSET;
} else
#if USE_WIDEC_SUPPORT
@@ -291,30 +320,34 @@
int k;
PUTC_ch = buf[j].chars[PUTC_i];
- if (PUTC_ch == L'\0')
+ if (PUTC_ch == L'\0') {
+ if (PUTC_i == 0)
+ (void) _nc_trace_bufcat(bufnum, "\\000");
break;
- PUTC_n = (int) wcrtomb(PUTC_buf, buf[j].chars[PUTC_i], &PUT_st);
+ }
+ 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);
+ VisChar(temp, UChar(PUTC_buf[k]), sizeof(temp));
+ (void) _nc_trace_bufcat(bufnum, temp);
}
}
}
#else
{
char temp[80];
- _nc_vischar(temp, UChar(buf[j]));
- result = _nc_trace_bufcat(bufnum, temp);
+ VisChar(temp, UChar(buf[j]), sizeof(temp));
+ (void) _nc_trace_bufcat(bufnum, temp);
}
#endif /* USE_WIDEC_SUPPORT */
}
- result = _nc_trace_bufcat(bufnum, d_quote);
+ (void) _nc_trace_bufcat(bufnum, d_quote);
if (attr != A_NORMAL) {
- result = _nc_trace_bufcat(bufnum, " | ");
- result = _nc_trace_bufcat(bufnum, _traceattr2(bufnum + 20, attr));
+ (void) _nc_trace_bufcat(bufnum, " | ");
+ (void) _nc_trace_bufcat(bufnum, _traceattr2(bufnum + 20, attr));
}
result = _nc_trace_bufcat(bufnum, r_brace);
first = last + 1;