/****************************************************************************
- * Copyright (c) 1998-2011,2015 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2015,2016 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 *
#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 1.85 2016/09/10 18:38:36 tom Exp $")
#define MAX_SIZE 0x3fff /* 16k is big enough for a window or pad */
#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 - (target - base))
+#define TOP_SLIMIT _nc_SLIMIT(sizeof(buffer))
+
/*
* Use 0x8888 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
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';
read_win(WINDOW *win, FILE *fp)
{
int code = ERR;
- char *txt;
- char *name;
- char *value;
size_t n;
int color;
#if NCURSES_WIDECHAR
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:")) {
{
while (*source != '\0' && length > 0) {
#if NCURSES_WIDECHAR
- int n, len;
+ int len;
+
source = decode_cchar(source, prior, target);
len = wcwidth(target->chars[0]);
if (len > 1) {
+ int n;
+
SetWidecExt(CHDEREF(target), 0);
for (n = 1; n < len; ++n) {
target[n] = target[0];
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));
* 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;
}
#if NCURSES_EXT_PUTWIN
else {
- char *txt;
+ char *txt = 0;
bool success = TRUE;
NCURSES_CH_T prior = blank;
#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)
{
+#if USE_STRING_HACKS && HAVE_SNPRINTF
+ char *base = target;
+#endif
source &= ~A_CHARTEXT;
prior &= ~A_CHARTEXT;
} 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 (!first)
*target++ = '|';
- sprintf(target, "C%d", PAIR_NUMBER((int) source));
+ _nc_SPRINTF(target, CUR_SLIMIT "C%d", PAIR_NUMBER((int) source));
target += strlen(target);
}
}
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;
*target = '\0';
if (previous->attr != source->attr) {
- encode_attr(target, source->attr, previous->attr);
+ encode_attr(target, CUR_SLIMIT source->attr, previous->attr);
}
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) {
}
*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;
}
}
*target = '\0';
if (AttrOfD(previous) != AttrOfD(source)) {
- encode_attr(target, AttrOfD(source), AttrOfD(previous));
+ encode_attr(target, CUR_SLIMIT AttrOfD(source), AttrOfD(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
putwin(WINDOW *win, FILE *filep)
{
int code = ERR;
- int y;
T((T_CALLED("putwin(%p,%p)"), (void *) win, (void *) filep));
const char *version = curses_version();
char buffer[1024];
NCURSES_CH_T last_cell;
+ int y;
memset(&last_cell, 0, sizeof(last_cell));
}
switch (scr_params[y].type) {
case pATTR:
- encode_attr(buffer, (*(const attr_t *) dp) & ~A_CHARTEXT, A_NORMAL);
+ encode_attr(buffer, TOP_SLIMIT
+ (*(const attr_t *) dp) & ~A_CHARTEXT, A_NORMAL);
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);
+ encode_attr(buffer, TOP_SLIMIT
+ * (const attr_t *) dp, A_NORMAL);
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
}
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));
+ 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
/*
*/
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
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)));
!(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));
projects / ncurses.git / blobdiff