/****************************************************************************
- * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc. *
+ * Copyright 2018-2023,2024 Thomas E. Dickey *
+ * Copyright 1998-2016,2017 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 *
* Terminal setup routines common to termcap and terminfo:
*
* use_env(bool)
+ * use_tioctl(bool)
* setupterm(char *, int, int *)
*/
#include <locale.h>
#endif
-MODULE_ID("$Id: lib_setup.c,v 1.141 2011/08/13 16:07:22 tom Exp $")
+MODULE_ID("$Id: lib_setup.c,v 1.239 2024/04/14 17:03:40 tom Exp $")
/****************************************************************************
*
#endif
#if NEED_PTEM_H
- /* On SCO, they neglected to define struct winsize in termios.h -- it's only
+ /* On SCO, they neglected to define struct winsize in termios.h -- it is only
* in termio.h and ptem.h (the former conflicts with other definitions).
*/
# include <sys/stream.h>
* Reduce explicit use of "cur_term" global variable.
*/
#undef CUR
-#define CUR termp->type.
+#define CUR TerminalType(termp).
/*
* Wrap global variables in this module.
if (CURRENT_SCREEN) {
TERMINAL *termp = TerminalOf(CURRENT_SCREEN);
if (termp != 0) {
- result = termp->type.term_names;
+ result = TerminalType(termp).term_names;
}
}
#else
if (cur_term != 0) {
- result = cur_term->type.term_names;
+ result = TerminalType(cur_term).term_names;
}
#endif
return result;
NCURSES_SP_NAME(set_tabsize) (NCURSES_SP_DCLx int value)
{
int code = OK;
-#if USE_REENTRANT
- if (SP_PARM) {
- SP_PARM->_TABSIZE = value;
- } else {
+ if (value <= 0) {
code = ERR;
- }
+ } else {
+#if USE_REENTRANT
+ if (SP_PARM) {
+ SP_PARM->_TABSIZE = value;
+ } else {
+ code = ERR;
+ }
#else
- (void) SP_PARM;
- TABSIZE = value;
+ (void) SP_PARM;
+ TABSIZE = value;
#endif
+ }
return code;
}
NCURSES_EXPORT(void)
NCURSES_SP_NAME(use_env) (NCURSES_SP_DCLx bool f)
{
+ START_TRACE();
T((T_CALLED("use_env(%p,%d)"), (void *) SP_PARM, (int) f));
#if NCURSES_SP_FUNCS
- START_TRACE();
if (IsPreScreen(SP_PARM)) {
SP_PARM->_use_env = f;
}
returnVoid;
}
+NCURSES_EXPORT(void)
+NCURSES_SP_NAME(use_tioctl) (NCURSES_SP_DCLx bool f)
+{
+ START_TRACE();
+ T((T_CALLED("use_tioctl(%p,%d)"), (void *) SP_PARM, (int) f));
+#if NCURSES_SP_FUNCS
+ if (IsPreScreen(SP_PARM)) {
+ SP_PARM->use_tioctl = f;
+ }
+#else
+ _nc_prescreen.use_tioctl = f;
+#endif
+ returnVoid;
+}
+
#if NCURSES_SP_FUNCS
NCURSES_EXPORT(void)
use_env(bool f)
{
- T((T_CALLED("use_env(%d)"), (int) f));
START_TRACE();
+ T((T_CALLED("use_env(%d)"), (int) f));
_nc_prescreen.use_env = f;
returnVoid;
}
+
+NCURSES_EXPORT(void)
+use_tioctl(bool f)
+{
+ START_TRACE();
+ T((T_CALLED("use_tioctl(%d)"), (int) f));
+ _nc_prescreen.use_tioctl = f;
+ returnVoid;
+}
#endif
+#if !(defined(USE_TERM_DRIVER) || defined(EXP_WIN32_DRIVER))
+static void
+_nc_default_screensize(TERMINAL *termp, int *linep, int *colp)
+{
+ /* if we can't get dynamic info about the size, use static */
+ if (*linep <= 0) {
+ *linep = (int) lines;
+ }
+ if (*colp <= 0) {
+ *colp = (int) columns;
+ }
+
+ /* the ultimate fallback, assume fixed 24x80 size */
+ if (*linep <= 0) {
+ *linep = 24;
+ }
+ if (*colp <= 0) {
+ *colp = 80;
+ }
+}
+
+#if defined(USE_CHECK_SIZE) && defined(user6) && defined(user7)
+static const char *
+skip_csi(const char *value)
+{
+ if (UChar(*value) == CSI_CHR) {
+ ++value;
+ } else if (*value == ESC_CHR && value[1] == L_BLOCK) {
+ value += 2;
+ }
+ return value;
+}
+
+static bool
+is_expected(const char *value, const char *expected)
+{
+ bool result = FALSE;
+ if (VALID_STRING(value)) {
+ const char *skipped = skip_csi(value);
+ if (skipped != value) {
+ if (!strcmp(skipped, expected))
+ result = TRUE;
+ }
+ }
+ return result;
+}
+
+static bool
+get_position(TERMINAL *termp, int fd, int *row, int *col)
+{
+ bool result = FALSE;
+ size_t need = strlen(user7);
+ int have;
+
+ have = (int) write(fd, user7, need);
+
+ if (have == (int) need) {
+ int y, x;
+ char buf[20];
+ char *s;
+ char cc;
+ const char *skipped;
+ int scanned;
+
+ s = memset(buf, '\0', sizeof(buf));
+ do {
+ size_t ask = (sizeof(buf) - 1 - (size_t) (s - buf));
+ int got = (int) read(fd, s, ask);
+ if (got == 0)
+ break;
+ s += got;
+ *s = '\0';
+ } while (strchr(buf, 'R') == NULL && (size_t) (s + 1 - buf) < sizeof(buf));
+ T(("CPR response %s", _nc_visbuf(buf)));
+ skipped = skip_csi(buf);
+ cc = '\0';
+ if (skipped != buf
+ && *skipped != '\0'
+ && (scanned = sscanf(skip_csi(buf), "%d;%d%c", &y, &x, &cc)) == 3
+ && (cc == 'R')) {
+ *row = y;
+ *col = x;
+ result = TRUE;
+ }
+ }
+ T(("get_position %s %d,%d", result ? "OK" : "ERR", *row, *col));
+ return result;
+}
+
+static bool
+set_position(NCURSES_SP_DCLx TERMINAL *termp, int row, int col)
+{
+ bool result;
+ char *actual = TIPARM_2(cursor_address, row, col);
+ T((T_CALLED("set_position %d,%d)"), row, col));
+#if NCURSES_SP_FUNCS
+ result = (NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "set_position",
+ actual) == OK);
+ NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG);
+#else
+ /* This does not support padding because without sp-funcs, we have only
+ * the interface using stdio, but we are not guaranteed that Filedes
+ * is the same as fileno(stdout).
+ */
+ result = FALSE;
+ if (actual != NULL) {
+ size_t want = strlen(actual);
+ int have = (int) write(termp->Filedes, actual, want);
+ result = ((int) want == have);
+ }
+#endif
+ returnBool(result);
+}
+
+/*
+ * This is a little more complicated than one might expect, because we do this
+ * before setting up the terminal modes, etc., and cannot use the timeout or
+ * buffering functions.
+ *
+ * We check if the terminal description has the ECMA-48 CPR (cursor position
+ * report) in u7 and the response in u6. The two variations of is_expected()
+ * cover the termcap style and terminfo style, and are equivalent as far as we
+ * are concerned. For analyzing the response, we wait (a short time) for 'R'
+ * to be echoed, and then check if we received two integers in the response.
+ *
+ * In principle, this could run on "any" ECMA-48 terminal, but in practice,
+ * there is a scenario using GNU screen where it uses ncurses with a partially
+ * configured pseudo-terminal, and the CPR response goes to the wrong place.
+ * So we do a simple check to exclude pseudo-terminals.
+ */
+static void
+_nc_check_screensize(SCREEN *sp, TERMINAL *termp, int *linep, int *colp)
+{
+ int fd = termp->Filedes;
+ TTY saved;
+ const char *name = NULL;
+
+ if (IsRealTty(fd, name)
+ && VALID_STRING(cursor_address)
+ && is_expected(user7, "6n")
+ && (is_expected(user6, "%i%d;%dR") ||
+ is_expected(user6, "%i%p1%d;%p2%dR"))
+ && GET_TTY(fd, &saved) == OK) {
+ int current_y = -1, current_x = -1;
+ int updated_y = -1, updated_x = -1;
+ TTY alter = saved;
+
+#if NCURSES_SP_FUNCS
+ if (sp == NULL) {
+ sp = new_prescr();
+ sp->_term = termp;
+ NCURSES_SP_NAME(baudrate) (NCURSES_SP_ARG);
+ }
+#else
+ (void) sp;
+#endif
+
+ T(("trying CPR (u7/u6) with %s", name));
+ alter.c_lflag &= (unsigned) ~(ECHO | ICANON | ISIG | IEXTEN);
+ alter.c_iflag &= (unsigned) ~(IXON | BRKINT | PARMRK);
+ alter.c_cc[VMIN] = 0;
+ alter.c_cc[VTIME] = 1;
+ SET_TTY(fd, &alter);
+
+ if (get_position(termp, fd, ¤t_y, ¤t_x)
+ && set_position(NCURSES_SP_ARGx termp, 9999, 9999)
+ && get_position(termp, fd, &updated_y, &updated_x)) {
+ *linep = updated_y;
+ *colp = updated_x;
+ set_position(NCURSES_SP_ARGx termp, current_y, current_x);
+ }
+ /* restore tty modes */
+ SET_TTY(fd, &saved);
+ } else {
+ T(("NOT trying CPR with fd %d (%s): %s",
+ fd, NonNull(name), NC_ISATTY(fd) ? "tty" : "not a tty"));
+ }
+
+ _nc_default_screensize(termp, linep, colp);
+}
+#else /* !USE_CHECK_SIZE */
+#define _nc_check_screensize(sp, termp, linep, colp) /* nothing */
+#endif
+#endif /* !(defined(USE_TERM_DRIVER) || defined(EXP_WIN32_DRIVER)) */
+
NCURSES_EXPORT(void)
_nc_get_screensize(SCREEN *sp,
#ifdef USE_TERM_DRIVER
- TERMINAL * termp,
+ TERMINAL *termp,
#endif
int *linep, int *colp)
/* Obtain lines/columns values from the environment and/or terminfo entry */
TCB = (TERMINAL_CONTROL_BLOCK *) termp;
my_tabsize = TCB->info.tabsize;
- TCB->drv->size(TCB, linep, colp);
+ TCB->drv->td_size(TCB, linep, colp);
#if USE_REENTRANT
if (sp != 0) {
#else /* !USE_TERM_DRIVER */
TERMINAL *termp = cur_term;
int my_tabsize;
+ bool useEnv = _nc_prescreen.use_env;
+ bool useTioctl = _nc_prescreen.use_tioctl;
+ T((T_CALLED("_nc_get_screensize (%p)"), sp));
+#ifdef EXP_WIN32_DRIVER
+ /* If we are here, then Windows console is used in terminfo mode.
+ We need to figure out the size using the console API
+ */
+ _nc_console_size(linep, colp);
+ T(("screen size: winconsole lines = %d columns = %d", *linep, *colp));
+#else
/* figure out the size of the screen */
T(("screen size: terminfo lines = %d columns = %d", lines, columns));
*linep = (int) lines;
*colp = (int) columns;
+#endif
- if (_nc_prescreen.use_env) {
- int value;
+#if NCURSES_SP_FUNCS
+ if (sp) {
+ useEnv = sp->_use_env;
+ useTioctl = sp->use_tioctl;
+ }
+#endif
+ T(("useEnv:%d useTioctl:%d", useEnv, useTioctl));
+ if (useEnv || useTioctl) {
#ifdef __EMX__
{
int screendata[2];
_scrsize(screendata);
*colp = screendata[0];
- *linep = screendata[1];
+ *linep = ((sp != 0 && sp->_filtered)
+ ? 1
+ : screendata[1]);
T(("EMX screen size: environment LINES = %d COLUMNS = %d",
*linep, *colp));
}
#endif
#if HAVE_SIZECHANGE
/* try asking the OS */
- if (isatty(cur_term->Filedes)) {
+ if (NC_ISATTY(cur_term->Filedes)) {
STRUCT_WINSIZE size;
errno = 0;
}
#endif /* HAVE_SIZECHANGE */
- /*
- * Finally, look for environment variables.
- *
- * Solaris lets users override either dimension with an environment
- * variable.
- */
- if ((value = _nc_getenv_num("LINES")) > 0) {
- *linep = value;
- T(("screen size: environment LINES = %d", *linep));
- }
- if ((value = _nc_getenv_num("COLUMNS")) > 0) {
- *colp = value;
- T(("screen size: environment COLUMNS = %d", *colp));
- }
+ if (useEnv) {
+ int value;
- /* if we can't get dynamic info about the size, use static */
- if (*linep <= 0) {
- *linep = (int) lines;
- }
- if (*colp <= 0) {
- *colp = (int) columns;
- }
+ if (useTioctl) {
+ /*
+ * If environment variables are used, update them.
+ */
+ if ((sp == 0 || !sp->_filtered) && _nc_getenv_num("LINES") > 0) {
+ _nc_setenv_num("LINES", *linep);
+ }
+ if (_nc_getenv_num("COLUMNS") > 0) {
+ _nc_setenv_num("COLUMNS", *colp);
+ }
+ }
- /* the ultimate fallback, assume fixed 24x80 size */
- if (*linep <= 0) {
- *linep = 24;
- }
- if (*colp <= 0) {
- *colp = 80;
+ /*
+ * Finally, look for environment variables.
+ *
+ * Solaris lets users override either dimension with an environment
+ * variable.
+ */
+ if ((value = _nc_getenv_num("LINES")) > 0) {
+ *linep = value;
+ T(("screen size: environment LINES = %d", *linep));
+ }
+ if ((value = _nc_getenv_num("COLUMNS")) > 0) {
+ *colp = value;
+ T(("screen size: environment COLUMNS = %d", *colp));
+ }
+
+ _nc_default_screensize(termp, linep, colp);
+ } else {
+ _nc_check_screensize(sp, termp, linep, colp);
}
/*
* Put the derived values back in the screen-size caps, so
* tigetnum() and tgetnum() will do the right thing.
*/
- lines = (short) (*linep);
- columns = (short) (*colp);
+ lines = (NCURSES_INT2) (*linep);
+ columns = (NCURSES_INT2) (*colp);
+#if NCURSES_EXT_NUMBERS
+#define OldNumber(termp,name) \
+ (termp)->type.Numbers[(&name - (termp)->type2.Numbers)]
+ OldNumber(termp, lines) = (short) (*linep);
+ OldNumber(termp, columns) = (short) (*colp);
+#endif
+ } else {
+ _nc_check_screensize(sp, termp, linep, colp);
}
T(("screen size is %dx%d", *linep, *colp));
TABSIZE = my_tabsize;
#endif
T(("TABSIZE = %d", TABSIZE));
+ returnVoid;
#endif /* USE_TERM_DRIVER */
}
assert(sp != 0);
- CallDriver_2(sp, getsize, &old_lines, &old_cols);
+ CallDriver_2(sp, td_getsize, &old_lines, &old_cols);
#else
TERMINAL *termp = cur_term;
int old_cols = columns;
#endif
- TINFO_GET_SIZE(sp, sp->_term, &new_lines, &new_cols);
-
- /*
- * See is_term_resized() and resizeterm().
- * We're doing it this way because those functions belong to the upper
- * ncurses library, while this resides in the lower terminfo library.
- */
- if (sp != 0
- && sp->_resize != 0) {
- if ((new_lines != old_lines) || (new_cols != old_cols))
- sp->_resize(NCURSES_SP_ARGx new_lines, new_cols);
- sp->_sig_winch = FALSE;
+ if (sp != 0) {
+ TINFO_GET_SIZE(sp, sp->_term, &new_lines, &new_cols);
+ /*
+ * See is_term_resized() and resizeterm().
+ * We're doing it this way because those functions belong to the upper
+ * ncurses library, while this resides in the lower terminfo library.
+ */
+ if (sp->_resize != 0) {
+ if ((new_lines != old_lines) || (new_cols != old_cols)) {
+ sp->_resize(NCURSES_SP_ARGx new_lines, new_cols);
+ } else if (sp->_sig_winch && (sp->_ungetch != 0)) {
+ sp->_ungetch(SP_PARM, KEY_RESIZE); /* so application can know this */
+ }
+ sp->_sig_winch = FALSE;
+ }
}
}
-#endif
+#endif /* USE_SIZECHANGE */
/****************************************************************************
*
*
****************************************************************************/
-#if USE_DATABASE || USE_TERMCAP
+#if NCURSES_USE_DATABASE || NCURSES_USE_TERMCAP
/*
* Return 1 if entry found, 0 if not found, -1 if database not accessible,
* just like tgetent().
*/
int
-_nc_setup_tinfo(const char *const tn, TERMTYPE *const tp)
+_nc_setup_tinfo(const char *const tn, TERMTYPE2 *const tp)
{
char filename[PATH_MAX];
- int status = _nc_read_entry(tn, filename, tp);
+ int status = _nc_read_entry2(tn, filename, tp);
/*
* If we have an entry, force all of the cancelled strings to null
*/
if (status == TGETENT_YES) {
unsigned n;
+ T(("_nc_setup_tinfo - resetting invalid booleans/strings"));
for_each_boolean(n, tp) {
if (!VALID_BOOLEAN(tp->Booleans[n]))
tp->Booleans[n] = FALSE;
#endif
/*
-** Take the real command character out of the CC environment variable
-** and substitute it in for the prototype given in 'command_character'.
-*/
+ * Take the real command character out of the CC environment variable
+ * and substitute it in for the prototype given in 'command_character'.
+ */
void
-_nc_tinfo_cmdch(TERMINAL * termp, char proto)
+_nc_tinfo_cmdch(TERMINAL *termp, int proto)
{
- unsigned i;
- char CC;
char *tmp;
/*
* name as an environment variable - using the same symbol.
*/
if ((tmp = getenv("CC")) != 0 && strlen(tmp) == 1) {
- CC = *tmp;
+ unsigned i;
+ char CC = *tmp;
+
for_each_string(i, &(termp->type)) {
- for (tmp = termp->type.Strings[i]; tmp && *tmp; tmp++) {
- if (*tmp == proto)
- *tmp = CC;
+ tmp = termp->type.Strings[i];
+ if (VALID_STRING(tmp)) {
+ for (; *tmp; ++tmp) {
+ if (UChar(*tmp) == proto)
+ *tmp = CC;
+ }
}
}
}
*/
env = setlocale(LC_CTYPE, 0);
#else
- if (((env = getenv("LC_ALL")) != 0 && *env != '\0')
+ if (((env = getenv("LANG")) != 0 && *env != '\0')
|| ((env = getenv("LC_CTYPE")) != 0 && *env != '\0')
- || ((env = getenv("LANG")) != 0 && *env != '\0')) {
+ || ((env = getenv("LC_ALL")) != 0 && *env != '\0')) {
;
}
#endif
NCURSES_EXPORT(int)
_nc_unicode_locale(void)
{
- int result = 0;
-#if HAVE_LANGINFO_CODESET
- char *env = nl_langinfo(CODESET);
- result = !strcmp(env, "UTF-8");
- T(("_nc_unicode_locale(%s) ->%d", env, result));
+ static bool initialized = FALSE;
+ static int result = 0;
+
+ if (!initialized) {
+#if defined(_NC_WINDOWS) && USE_WIDEC_SUPPORT
+ result = 1;
+#elif HAVE_LANGINFO_CODESET
+ char *env = nl_langinfo(CODESET);
+ result = !strcmp(env, "UTF-8");
+ T(("_nc_unicode_locale(%s) ->%d", env, result));
#else
- char *env = _nc_get_locale();
- if (env != 0) {
- if (strstr(env, ".UTF-8") != 0) {
- result = 1;
- T(("_nc_unicode_locale(%s) ->%d", env, result));
+ char *env = _nc_get_locale();
+ if (env != 0) {
+ if (strstr(env, ".UTF-8") != 0) {
+ result = 1;
+ T(("_nc_unicode_locale(%s) ->%d", env, result));
+ }
}
- }
#endif
+ initialized = TRUE;
+ }
return result;
}
* character set.
*/
NCURSES_EXPORT(int)
-_nc_locale_breaks_acs(TERMINAL * termp)
+_nc_locale_breaks_acs(TERMINAL *termp)
{
const char *env_name = "NCURSES_NO_UTF8_ACS";
- char *env;
+ const char *env;
int value;
int result = 0;
+ T((T_CALLED("_nc_locale_breaks_acs:%d"), result));
if (getenv(env_name) != 0) {
result = _nc_getenv_num(env_name);
} else if ((value = tigetnum("U8")) >= 0) {
}
}
}
- return result;
+ returnCode(result);
}
NCURSES_EXPORT(int)
-TINFO_SETUP_TERM(TERMINAL ** tp,
- NCURSES_CONST char *tname,
+TINFO_SETUP_TERM(TERMINAL **tp,
+ const char *tname,
int Filedes,
int *errret,
- bool reuse)
+ int reuse)
{
#ifdef USE_TERM_DRIVER
TERMINAL_CONTROL_BLOCK *TCB = 0;
-#else
- int status;
#endif
TERMINAL *termp;
SCREEN *sp = 0;
+ char *myname;
int code = ERR;
START_TRACE();
if (tname == 0) {
tname = getenv("TERM");
- if (tname == 0 || *tname == '\0') {
+#if defined(EXP_WIN32_DRIVER)
+ if (!VALID_TERM_ENV(tname, NO_TERMINAL)) {
+ T(("Failure with TERM=%s", NonNull(tname)));
+ ret_error0(TGETENT_ERR, "TERM environment variable not set.\n");
+ }
+#elif defined(USE_TERM_DRIVER)
+ if (!NonEmpty(tname))
+ tname = "unknown";
+#else
+ if (!NonEmpty(tname)) {
+ T(("Failure with TERM=%s", NonNull(tname)));
ret_error0(TGETENT_ERR, "TERM environment variable not set.\n");
}
+#endif
}
-
- if (strlen(tname) > MAX_NAME_SIZE) {
+ myname = strdup(tname);
+ if (myname == NULL || strlen(myname) > MAX_NAME_SIZE) {
ret_error(TGETENT_ERR,
- "TERM environment must be <= %d characters.\n",
- MAX_NAME_SIZE);
+ "TERM environment must be 1..%d characters.\n",
+ MAX_NAME_SIZE,
+ free(myname));
}
- T(("your terminal name is %s", tname));
+ T(("your terminal name is %s", myname));
/*
* Allow output redirection. This is what SVr3 does. If stdout is
* directed to a file, screen updates go to standard error.
*/
- if (Filedes == STDOUT_FILENO && !isatty(Filedes))
+ if (Filedes == STDOUT_FILENO && !NC_ISATTY(Filedes))
Filedes = STDERR_FILENO;
+#if defined(EXP_WIN32_DRIVER)
+ if (Filedes != STDERR_FILENO && NC_ISATTY(Filedes))
+ _setmode(Filedes, _O_BINARY);
+#endif
/*
* Check if we have already initialized to use this terminal. If so, we
&& (termp != 0)
&& termp->Filedes == Filedes
&& termp->_termname != 0
- && !strcmp(termp->_termname, tname)
- && _nc_name_match(termp->type.term_names, tname, "|")) {
+ && !strcmp(termp->_termname, myname)
+ && _nc_name_match(TerminalType(termp).term_names, myname, "|")) {
T(("reusing existing terminal information and mode-settings"));
code = OK;
+#ifdef USE_TERM_DRIVER
+ TCB = (TERMINAL_CONTROL_BLOCK *) termp;
+#endif
} else {
#ifdef USE_TERM_DRIVER
- termp = (TERMINAL *) typeCalloc(TERMINAL_CONTROL_BLOCK, 1);
+ TERMINAL_CONTROL_BLOCK *my_tcb;
+ termp = 0;
+ if ((my_tcb = typeCalloc(TERMINAL_CONTROL_BLOCK, 1)) != 0)
+ termp = &(my_tcb->term);
#else
+ int status;
+
termp = typeCalloc(TERMINAL, 1);
#endif
if (termp == 0) {
- ret_error0(TGETENT_ERR,
- "Not enough memory to create terminal structure.\n");
+ ret_error1(TGETENT_ERR,
+ "Not enough memory to create terminal structure.\n",
+ myname, free(myname));
}
+ ++_nc_globals.terminal_count;
+#if HAVE_SYSCONF
+ {
+ long limit;
+#ifdef LINE_MAX
+ limit = LINE_MAX;
+#else
+ limit = _nc_globals.getstr_limit;
+#endif
+#ifdef _SC_LINE_MAX
+ if (limit < sysconf(_SC_LINE_MAX))
+ limit = sysconf(_SC_LINE_MAX);
+#endif
+ if (_nc_globals.getstr_limit < (int) limit)
+ _nc_globals.getstr_limit = (int) limit;
+ }
+#endif /* HAVE_SYSCONF */
+ T(("using %d for getstr limit", _nc_globals.getstr_limit));
+
#ifdef USE_TERM_DRIVER
INIT_TERM_DRIVER();
+ /*
+ * _nc_get_driver() will call td_CanHandle() for each driver, and win_driver
+ * needs file descriptor to do the test, so set it before calling.
+ */
+ termp->Filedes = (short) Filedes;
TCB = (TERMINAL_CONTROL_BLOCK *) termp;
- code = _nc_globals.term_driver(TCB, tname, errret);
+ code = _nc_globals.term_driver(TCB, myname, errret);
if (code == OK) {
- termp->Filedes = (short) Filedes;
- termp->_termname = strdup(tname);
+ termp->_termname = strdup(myname);
} else {
- ret_error0(TGETENT_ERR,
- "Could not find any driver to handle this terminal.\n");
+ ret_error1(errret ? *errret : TGETENT_ERR,
+ "Could not find any driver to handle terminal.\n",
+ myname, free(myname));
}
#else
-#if USE_DATABASE || USE_TERMCAP
- status = _nc_setup_tinfo(tname, &termp->type);
+#if NCURSES_USE_DATABASE || NCURSES_USE_TERMCAP
+ status = _nc_setup_tinfo(myname, &TerminalType(termp));
+ T(("_nc_setup_tinfo returns %d", status));
#else
+ T(("no database available"));
status = TGETENT_NO;
#endif
/* try fallback list if entry on disk */
if (status != TGETENT_YES) {
- const TERMTYPE *fallback = _nc_fallback(tname);
+ const TERMTYPE2 *fallback = _nc_fallback2(myname);
if (fallback) {
- termp->type = *fallback;
+ T(("found fallback entry"));
+ _nc_copy_termtype2(&(TerminalType(termp)), fallback);
status = TGETENT_YES;
}
}
if (status != TGETENT_YES) {
del_curterm(termp);
if (status == TGETENT_ERR) {
+ free(myname);
ret_error0(status, "terminals database is inaccessible\n");
} else if (status == TGETENT_NO) {
- ret_error1(status, "unknown terminal type.\n", tname);
+ ret_error1(status, "unknown terminal type.\n",
+ myname, free(myname));
+ } else {
+ free(myname);
+ ret_error0(status, "unexpected return-code\n");
}
}
+#if NCURSES_EXT_NUMBERS
+ _nc_export_termtype2(&termp->type, &TerminalType(termp));
+#endif
#if !USE_REENTRANT
- strncpy(ttytype, termp->type.term_names, NAMESIZE - 1);
- ttytype[NAMESIZE - 1] = '\0';
+ save_ttytype(termp);
#endif
termp->Filedes = (short) Filedes;
- termp->_termname = strdup(tname);
+ termp->_termname = strdup(myname);
set_curterm(termp);
- if (command_character)
- _nc_tinfo_cmdch(termp, *command_character);
+ if (VALID_STRING(command_character))
+ _nc_tinfo_cmdch(termp, UChar(*command_character));
/*
* If an application calls setupterm() rather than initscr() or
* newterm(), we will not have the def_prog_mode() call in
* _nc_setupscreen(). Do it now anyway, so we can initialize the
- * baudrate.
+ * baudrate. Also get the shell-mode so that erasechar() works.
*/
- if (isatty(Filedes)) {
- def_prog_mode();
- baudrate();
+ if (NC_ISATTY(Filedes)) {
+ NCURSES_SP_NAME(def_shell_mode) (NCURSES_SP_ARG);
+ NCURSES_SP_NAME(def_prog_mode) (NCURSES_SP_ARG);
+ NCURSES_SP_NAME(baudrate) (NCURSES_SP_ARG);
}
code = OK;
#endif
#ifdef USE_TERM_DRIVER
*tp = termp;
NCURSES_SP_NAME(set_curterm) (sp, termp);
- TCB->drv->init(TCB);
+ TCB->drv->td_init(TCB);
#else
sp = SP;
#endif
if ((VALID_STRING(cursor_address)
|| (VALID_STRING(cursor_down) && VALID_STRING(cursor_home)))
&& VALID_STRING(clear_screen)) {
- ret_error1(TGETENT_YES, "terminal is not really generic.\n", tname);
+ ret_error1(TGETENT_YES, "terminal is not really generic.\n",
+ myname, free(myname));
} else {
- ret_error1(TGETENT_NO, "I need something more specific.\n", tname);
+ del_curterm(termp);
+ ret_error1(TGETENT_NO, "I need something more specific.\n",
+ myname, free(myname));
}
} else if (hard_copy) {
- ret_error1(TGETENT_YES, "I can't handle hardcopy terminals.\n", tname);
+ ret_error1(TGETENT_YES, "I can't handle hardcopy terminals.\n",
+ myname, free(myname));
}
#endif
+ free(myname);
returnCode(code);
}
+#ifdef USE_PTHREADS
+/*
+ * Returns a non-null pointer unless a new screen should be allocated because
+ * no match was found in the pre-screen cache.
+ */
+NCURSES_EXPORT(SCREEN *)
+_nc_find_prescr(void)
+{
+ SCREEN *result = 0;
+ PRESCREEN_LIST *p;
+ pthread_t id = GetThreadID();
+ for (p = _nc_prescreen.allocated; p != 0; p = p->next) {
+ if (p->id == id) {
+ result = p->sp;
+ break;
+ }
+ }
+ return result;
+}
+
+/*
+ * Tells ncurses to forget that this thread was associated with the pre-screen
+ * cache. It does not modify the pre-screen cache itself, since that is used
+ * for creating new screens.
+ */
+NCURSES_EXPORT(void)
+_nc_forget_prescr(void)
+{
+ PRESCREEN_LIST *p, *q;
+ pthread_t id = GetThreadID();
+ _nc_lock_global(screen);
+ for (p = _nc_prescreen.allocated, q = 0; p != 0; q = p, p = p->next) {
+ if (p->id == id) {
+ if (q) {
+ q->next = p->next;
+ } else {
+ _nc_prescreen.allocated = p->next;
+ }
+ free(p);
+ break;
+ }
+ }
+ _nc_unlock_global(screen);
+}
+#endif /* USE_PTHREADS */
+
#if NCURSES_SP_FUNCS
/*
* In case of handling multiple screens, we need to have a screen before
- * initialization in setupscreen takes place. This is to extend the substitute
- * for some of the stuff in _nc_prescreen, especially for slk and ripoff
- * handling which should be done per screen.
+ * initialization in _nc_setupscreen takes place. This is to extend the
+ * substitute for some of the stuff in _nc_prescreen, especially for slk and
+ * ripoff handling which should be done per screen.
*/
NCURSES_EXPORT(SCREEN *)
new_prescr(void)
{
- static SCREEN *sp;
+ SCREEN *sp;
START_TRACE();
T((T_CALLED("new_prescr()")));
- if (sp == 0) {
+ _nc_lock_global(screen);
+ if ((sp = _nc_find_prescr()) == 0) {
sp = _nc_alloc_screen_sp();
+ T(("_nc_alloc_screen_sp %p", (void *) sp));
if (sp != 0) {
+#ifdef USE_PTHREADS
+ PRESCREEN_LIST *p = typeCalloc(PRESCREEN_LIST, 1);
+ if (p != 0) {
+ p->id = GetThreadID();
+ p->sp = sp;
+ p->next = _nc_prescreen.allocated;
+ _nc_prescreen.allocated = p;
+ }
+#else
+ _nc_prescreen.allocated = sp;
+#endif
sp->rsp = sp->rippedoff;
sp->_filtered = _nc_prescreen.filter_mode;
sp->_use_env = _nc_prescreen.use_env;
sp->_ESCDELAY = _nc_prescreen._ESCDELAY;
#endif
}
+ } else {
+ T(("_nc_alloc_screen_sp %p (reuse)", (void *) sp));
}
+ _nc_unlock_global(screen);
returnSP(sp);
}
#endif
* the same TERMINAL data (see comment).
*/
NCURSES_EXPORT(int)
-_nc_setupterm(NCURSES_CONST char *tname,
+_nc_setupterm(const char *tname,
int Filedes,
int *errret,
- bool reuse)
+ int reuse)
{
- int res;
- TERMINAL *termp;
- res = TINFO_SETUP_TERM(&termp, tname, Filedes, errret, reuse);
- if (ERR != res)
- NCURSES_SP_NAME(set_curterm) (CURRENT_SCREEN_PRE, termp);
- return res;
+ int rc = ERR;
+ TERMINAL *termp = 0;
+
+ _nc_init_pthreads();
+ _nc_lock_global(prescreen);
+ START_TRACE();
+ if (TINFO_SETUP_TERM(&termp, tname, Filedes, errret, reuse) == OK) {
+ _nc_forget_prescr();
+ if (NCURSES_SP_NAME(set_curterm) (CURRENT_SCREEN_PRE, termp) != 0) {
+ rc = OK;
+ }
+ }
+ _nc_unlock_global(prescreen);
+
+ return rc;
}
#endif
* Make cur_term point to the structure.
*/
NCURSES_EXPORT(int)
-setupterm(NCURSES_CONST char *tname, int Filedes, int *errret)
+setupterm(const char *tname, int Filedes, int *errret)
{
+ START_TRACE();
return _nc_setupterm(tname, Filedes, errret, FALSE);
}
projects / ncurses.git / blobdiff