libncurses: Import https://ftp.gnu.org/pub/gnu/ncurses/ncurses-6.5.tar.gz changes
Change-Id: I3433d30ca01359fd2e3623ede96b531f0b39cbfa
Signed-off-by: micky387 <mickaelsaibi@free.fr>
diff --git a/ncurses/base/lib_screen.c b/ncurses/base/lib_screen.c
index a03ceec..e2647b5 100644
--- a/ncurses/base/lib_screen.c
+++ b/ncurses/base/lib_screen.c
@@ -1,5 +1,6 @@
/****************************************************************************
- * Copyright (c) 1998-2011,2015 Free Software Foundation, Inc. *
+ * Copyright 2019-2021,2023 Thomas E. Dickey *
+ * Copyright 1998-2017,2018 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 *
@@ -41,7 +42,7 @@
#define CUR SP_TERMTYPE
#endif
-MODULE_ID("$Id: lib_screen.c,v 1.77 2015/07/04 22:54:14 tom Exp $")
+MODULE_ID("$Id: lib_screen.c,v 1.105 2023/04/28 20:58:54 tom Exp $")
#define MAX_SIZE 0x3fff /* 16k is big enough for a window or pad */
@@ -51,13 +52,22 @@
#define L_CURL '{'
#define R_CURL '}'
+#if USE_STRING_HACKS && HAVE_SNPRINTF
+#define ARG_SLIMIT(name) size_t name,
+#else
+#define ARG_SLIMIT(name) /* nothing */
+#endif
+
+#define CUR_SLIMIT _nc_SLIMIT(limit - (size_t) (target - base))
+#define TOP_SLIMIT _nc_SLIMIT(sizeof(buffer))
+
/*
- * Use 0x8888 as the magic number for new-format files, since it cannot be
+ * Use 0x888888 as the magic number for new-format files, since it cannot be
* mistaken for the _cury/_curx pair of 16-bit numbers which start the old
* format. It happens to be unused in the file 5.22 database (2015/03/07).
*/
static const char my_magic[] =
-{'\210', '\210', '\210', '\210'};
+{'\210', '\210', '\210', '\210', 0};
#if NCURSES_EXT_PUTWIN
typedef enum {
@@ -80,7 +90,6 @@
typedef struct {
const char name[17];
PARAM_TYPE type;
- size_t size;
size_t offset;
} SCR_PARAMS;
@@ -110,8 +119,7 @@
};
#undef DATA
-#define sizeof2(type,name) sizeof(((type *)0)->name)
-#define DATA(name, type) { { #name }, type, sizeof2(WINDOW, name), offsetof(WINDOW, name) }
+#define DATA(name, type) { { #name }, type, offsetof(WINDOW, name) }
static const SCR_PARAMS scr_params[] =
{
@@ -161,12 +169,12 @@
read_txt(FILE *fp)
{
size_t limit = 1024;
- size_t used = 0;
char *result = malloc(limit);
char *buffer;
if (result != 0) {
int ch = 0;
+ size_t used = 0;
clearerr(fp);
result[used] = '\0';
@@ -190,7 +198,7 @@
if (ch == '\n') {
result[--used] = '\0';
- T(("READ:%s", result));
+ TR(TRACE_IEVENT, ("READ:%s", result));
} else if (used == 0) {
free(result);
result = 0;
@@ -204,7 +212,7 @@
{
bool found = FALSE;
- T(("decode_attr '%s'", source));
+ TR(TRACE_IEVENT, ("decode_attr '%s'", source));
while (*source) {
if (source[0] == MARKER && source[1] == L_CURL) {
@@ -262,7 +270,7 @@
int base = 16;
const char digits[] = "0123456789abcdef";
- T(("decode_char '%s'", source));
+ TR(TRACE_IEVENT, ("decode_char '%s'", source));
*target = ' ';
switch (*source) {
case MARKER:
@@ -319,7 +327,7 @@
int color = PAIR_NUMBER((int) attr);
int value;
- T(("decode_chtype '%s'", source));
+ TR(TRACE_IEVENT, ("decode_chtype '%s'", source));
source = decode_attr(source, &attr, &color);
source = decode_char(source, &value);
*target = (ChCharOf(value) | attr | (chtype) COLOR_PAIR(color));
@@ -337,7 +345,7 @@
int append = 0;
int value = 0;
- T(("decode_cchar '%s'", source));
+ TR(TRACE_IEVENT, ("decode_cchar '%s'", source));
*target = blank;
#if NCURSES_EXT_COLORS
color = fillin->ext_color;
@@ -356,7 +364,7 @@
chars[append] = (wchar_t) value;
}
}
- setcchar(target, chars, attr, (short) color, NULL);
+ setcchar(target, chars, attr, (short) color, &color);
return source;
}
#endif
@@ -365,9 +373,6 @@
read_win(WINDOW *win, FILE *fp)
{
int code = ERR;
- char *txt;
- char *name;
- char *value;
size_t n;
int color;
#if NCURSES_WIDECHAR
@@ -377,7 +382,10 @@
memset(win, 0, sizeof(WINDOW));
for (;;) {
- txt = read_txt(fp);
+ char *name;
+ char *value;
+ char *txt = read_txt(fp);
+
if (txt == 0)
break;
if (!strcmp(txt, "rows:")) {
@@ -431,14 +439,17 @@
}
static int
-read_row(char *source, NCURSES_CH_T * prior, NCURSES_CH_T * target, int length)
+read_row(char *source, NCURSES_CH_T *prior, NCURSES_CH_T *target, int length)
{
while (*source != '\0' && length > 0) {
#if NCURSES_WIDECHAR
- int n, len;
+ int len;
+
source = decode_cchar(source, prior, target);
- len = wcwidth(target->chars[0]);
+ len = _nc_wacs_width(target->chars[0]);
if (len > 1) {
+ int n;
+
SetWidecExt(CHDEREF(target), 0);
for (n = 1; n < len; ++n) {
target[n] = target[0];
@@ -490,7 +501,6 @@
NCURSES_SP_NAME(getwin) (NCURSES_SP_DCLx FILE *filep)
{
WINDOW tmp, *nwin;
- int n;
bool old_format = FALSE;
T((T_CALLED("getwin(%p)"), (void *) filep));
@@ -503,13 +513,13 @@
* Read the first 4 bytes to determine first if this is an old-format
* screen-dump, or new-format.
*/
- if (read_block(&tmp, 4, filep) < 0) {
+ if (read_block(&tmp, (size_t) 4, filep) < 0) {
returnWin(0);
}
/*
* If this is a new-format file, and we do not support it, give up.
*/
- if (!memcmp(&tmp, my_magic, 4)) {
+ if (!memcmp(&tmp, my_magic, (size_t) 4)) {
#if NCURSES_EXT_PUTWIN
if (read_win(&tmp, filep) < 0)
#endif
@@ -530,7 +540,7 @@
returnWin(0);
}
- if (tmp._flags & _ISPAD) {
+ if (IS_PAD(&tmp)) {
nwin = NCURSES_SP_NAME(newpad) (NCURSES_SP_ARGx
tmp._maxy + 1,
tmp._maxx + 1);
@@ -546,6 +556,7 @@
* made sense is probably gone.
*/
if (nwin != 0) {
+ int n;
size_t linesize = sizeof(NCURSES_CH_T) * (size_t) (tmp._maxx + 1);
nwin->_curx = tmp._curx;
@@ -574,7 +585,7 @@
nwin->_regtop = tmp._regtop;
nwin->_regbottom = tmp._regbottom;
- if (tmp._flags & _ISPAD)
+ if (IS_PAD(&tmp))
nwin->_pad = tmp._pad;
if (old_format) {
@@ -588,7 +599,7 @@
}
#if NCURSES_EXT_PUTWIN
else {
- char *txt;
+ char *txt = 0;
bool success = TRUE;
NCURSES_CH_T prior = blank;
@@ -641,13 +652,20 @@
#if NCURSES_EXT_PUTWIN
static void
-encode_attr(char *target, attr_t source, attr_t prior)
+encode_attr(char *target, ARG_SLIMIT(limit)
+ attr_t source,
+ attr_t prior,
+ int source_color,
+ int prior_color)
{
+#if USE_STRING_HACKS && HAVE_SNPRINTF
+ char *base = target;
+#endif
source &= ~A_CHARTEXT;
prior &= ~A_CHARTEXT;
*target = '\0';
- if (source != prior) {
+ if ((source != prior) || (source_color != prior_color)) {
size_t n;
bool first = TRUE;
@@ -663,14 +681,14 @@
} else {
*target++ = '|';
}
- strcpy(target, scr_attrs[n].name);
+ _nc_STRCPY(target, scr_attrs[n].name, limit);
target += strlen(target);
}
}
- if ((source & A_COLOR) != (prior & A_COLOR)) {
+ if (source_color != prior_color) {
if (!first)
*target++ = '|';
- sprintf(target, "C%d", PAIR_NUMBER((int) source));
+ _nc_SPRINTF(target, CUR_SLIMIT "C%d", source_color);
target += strlen(target);
}
@@ -680,19 +698,29 @@
}
static void
-encode_cell(char *target, CARG_CH_T source, CARG_CH_T previous)
+encode_cell(char *target, ARG_SLIMIT(limit) CARG_CH_T source, CARG_CH_T previous)
{
+#if USE_STRING_HACKS && HAVE_SNPRINTF
+ char *base = target;
+#endif
#if NCURSES_WIDECHAR
size_t n;
+ int source_pair = GetPair(*source);
+ int previous_pair = GetPair(*previous);
*target = '\0';
- if (previous->attr != source->attr) {
- encode_attr(target, source->attr, previous->attr);
+ if ((previous->attr != source->attr) || (previous_pair != source_pair)) {
+ encode_attr(target, CUR_SLIMIT
+ source->attr,
+ previous->attr,
+ source_pair,
+ previous_pair);
}
target += strlen(target);
#if NCURSES_EXT_COLORS
if (previous->ext_color != source->ext_color) {
- sprintf(target, "%c%cC%d%c", MARKER, L_CURL, source->ext_color, R_CURL);
+ _nc_SPRINTF(target, CUR_SLIMIT
+ "%c%cC%d%c", MARKER, L_CURL, source->ext_color, R_CURL);
}
#endif
for (n = 0; n < SIZEOF(source->chars); ++n) {
@@ -705,22 +733,23 @@
}
*target++ = MARKER;
if (uch > 0xffff) {
- sprintf(target, "U%08x", uch);
+ _nc_SPRINTF(target, CUR_SLIMIT "U%08x", uch);
} else if (uch > 0xff) {
- sprintf(target, "u%04x", uch);
+ _nc_SPRINTF(target, CUR_SLIMIT "u%04x", uch);
} else if (uch < 32 || uch >= 127) {
- sprintf(target, "%03o", uch & 0xff);
+ _nc_SPRINTF(target, CUR_SLIMIT "%03o", uch & 0xff);
} else {
switch (uch) {
case ' ':
- strcpy(target, "s");
+ _nc_STRCPY(target, "s", limit);
break;
case MARKER:
*target++ = MARKER;
*target = '\0';
break;
default:
- sprintf(--target, "%c", uch);
+ --target;
+ _nc_SPRINTF(target, CUR_SLIMIT "%c", uch);
break;
}
}
@@ -731,27 +760,31 @@
*target = '\0';
if (AttrOfD(previous) != AttrOfD(source)) {
- encode_attr(target, AttrOfD(source), AttrOfD(previous));
+ encode_attr(target, CUR_SLIMIT
+ AttrOfD(source),
+ AttrOfD(previous),
+ GetPair(source),
+ GetPair(previous));
}
target += strlen(target);
*target++ = MARKER;
if (ch < 32 || ch >= 127) {
- sprintf(target, "%03o", UChar(ch));
+ _nc_SPRINTF(target, CUR_SLIMIT "%03o", UChar(ch));
} else {
switch (ch) {
case ' ':
- strcpy(target, "s");
+ _nc_STRCPY(target, "s", limit);
break;
case MARKER:
*target++ = MARKER;
*target = '\0';
break;
default:
- sprintf(--target, "%c", UChar(ch));
+ --target;
+ _nc_SPRINTF(target, CUR_SLIMIT "%c", UChar(ch));
break;
}
}
- target += strlen(target);
#endif
}
#endif
@@ -760,7 +793,6 @@
putwin(WINDOW *win, FILE *filep)
{
int code = ERR;
- int y;
T((T_CALLED("putwin(%p,%p)"), (void *) win, (void *) filep));
@@ -769,6 +801,7 @@
const char *version = curses_version();
char buffer[1024];
NCURSES_CH_T last_cell;
+ int y;
memset(&last_cell, 0, sizeof(last_cell));
@@ -786,43 +819,58 @@
const char *name = scr_params[y].name;
const char *data = (char *) win + scr_params[y].offset;
const void *dp = (const void *) data;
+ attr_t attr;
*buffer = '\0';
- if (!strncmp(name, "_pad.", 5) && !(win->_flags & _ISPAD)) {
+ if (!strncmp(name, "_pad.", (size_t) 5) && !IS_PAD(win)) {
continue;
}
switch (scr_params[y].type) {
case pATTR:
- encode_attr(buffer, (*(const attr_t *) dp) & ~A_CHARTEXT, A_NORMAL);
+ attr = (*(const attr_t *) dp) & ~A_CHARTEXT;
+ encode_attr(buffer, TOP_SLIMIT
+ (*(const attr_t *) dp) & ~A_CHARTEXT,
+ A_NORMAL,
+ COLOR_PAIR((int) attr),
+ 0);
break;
case pBOOL:
if (!(*(const bool *) data)) {
continue;
}
- strcpy(buffer, name);
+ _nc_STRCPY(buffer, name, sizeof(buffer));
name = "flag";
break;
case pCHAR:
- encode_attr(buffer, *(const attr_t *) dp, A_NORMAL);
+ attr = (*(const attr_t *) dp);
+ encode_attr(buffer, TOP_SLIMIT
+ * (const attr_t *) dp,
+ A_NORMAL,
+ COLOR_PAIR((int) attr),
+ 0);
break;
case pINT:
if (!(*(const int *) dp))
continue;
- sprintf(buffer, "%d", *(const int *) dp);
+ _nc_SPRINTF(buffer, TOP_SLIMIT
+ "%d", *(const int *) dp);
break;
case pSHORT:
if (!(*(const short *) dp))
continue;
- sprintf(buffer, "%d", *(const short *) dp);
+ _nc_SPRINTF(buffer, TOP_SLIMIT
+ "%d", *(const short *) dp);
break;
case pSIZE:
if (!(*(const NCURSES_SIZE_T *) dp))
continue;
- sprintf(buffer, "%d", *(const NCURSES_SIZE_T *) dp);
+ _nc_SPRINTF(buffer, TOP_SLIMIT
+ "%d", *(const NCURSES_SIZE_T *) dp);
break;
#if NCURSES_WIDECHAR
case pCCHAR:
- encode_cell(buffer, (CARG_CH_T) dp, CHREF(last_cell));
+ encode_cell(buffer, TOP_SLIMIT
+ (CARG_CH_T) dp, CHREF(last_cell));
break;
#endif
}
@@ -845,20 +893,21 @@
returnCode(code);
for (x = 0; x <= win->_maxx; x++) {
#if NCURSES_WIDECHAR
- int len = wcwidth(data[x].chars[0]);
- encode_cell(buffer, CHREF(data[x]), CHREF(last_cell));
+ int len = _nc_wacs_width(data[x].chars[0]);
+ encode_cell(buffer, TOP_SLIMIT CHREF(data[x]), CHREF(last_cell));
last_cell = data[x];
PUTS(buffer);
if (len > 1)
x += (len - 1);
#else
- encode_cell(buffer, CHREF(data[x]), CHREF(last_cell));
+ encode_cell(buffer, TOP_SLIMIT CHREF(data[x]), CHREF(last_cell));
last_cell = data[x];
PUTS(buffer);
#endif
}
PUTS("\n");
}
+ code = OK;
}
#else
/*
@@ -869,6 +918,7 @@
*/
if (win != 0) {
size_t len = (size_t) (win->_maxx + 1);
+ int y;
clearerr(filep);
if (fwrite(win, sizeof(WINDOW), (size_t) 1, filep) != 1
@@ -888,6 +938,31 @@
returnCode(code);
}
+/*
+ * Replace a window covering the whole screen, i.e., newscr or curscr.
+ */
+static WINDOW *
+replace_window(WINDOW *target, FILE *source)
+{
+ WINDOW *result = getwin(source);
+#if NCURSES_EXT_FUNCS
+ if (result != NULL) {
+ if (getmaxx(result) != getmaxx(target)
+ || getmaxy(result) != getmaxy(target)) {
+ int code = wresize(result,
+ 1 + getmaxy(target),
+ 1 + getmaxx(target));
+ if (code != OK) {
+ delwin(result);
+ result = NULL;
+ }
+ }
+ }
+#endif
+ delwin(target);
+ return result;
+}
+
NCURSES_EXPORT(int)
NCURSES_SP_NAME(scr_restore) (NCURSES_SP_DCLx const char *file)
{
@@ -897,9 +972,8 @@
T((T_CALLED("scr_restore(%p,%s)"), (void *) SP_PARM, _nc_visbuf(file)));
if (_nc_access(file, R_OK) >= 0
- && (fp = fopen(file, "rb")) != 0) {
- delwin(NewScreen(SP_PARM));
- NewScreen(SP_PARM) = getwin(fp);
+ && (fp = safe_fopen(file, BIN_R)) != 0) {
+ NewScreen(SP_PARM) = replace_window(NewScreen(SP_PARM), fp);
#if !USE_REENTRANT
newscr = NewScreen(SP_PARM);
#endif
@@ -928,7 +1002,7 @@
T((T_CALLED("scr_dump(%s)"), _nc_visbuf(file)));
if (_nc_access(file, W_OK) < 0
- || (fp = fopen(file, "wb")) == 0) {
+ || (fp = safe_fopen(file, BIN_W)) == 0) {
result = ERR;
} else {
(void) putwin(newscr, fp);
@@ -941,7 +1015,6 @@
NCURSES_EXPORT(int)
NCURSES_SP_NAME(scr_init) (NCURSES_SP_DCLx const char *file)
{
- FILE *fp = 0;
int code = ERR;
T((T_CALLED("scr_init(%p,%s)"), (void *) SP_PARM, _nc_visbuf(file)));
@@ -953,10 +1026,11 @@
!(exit_ca_mode && non_rev_rmcup)
#endif
) {
+ FILE *fp = 0;
+
if (_nc_access(file, R_OK) >= 0
- && (fp = fopen(file, "rb")) != 0) {
- delwin(CurScreen(SP_PARM));
- CurScreen(SP_PARM) = getwin(fp);
+ && (fp = safe_fopen(file, BIN_R)) != 0) {
+ CurScreen(SP_PARM) = replace_window(CurScreen(SP_PARM), fp);
#if !USE_REENTRANT
curscr = CurScreen(SP_PARM);
#endif