/****************************************************************************
- * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc. *
+ * Copyright (c) 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 *
* Terminal setup routines common to termcap and terminfo:
*
* use_env(bool)
+ * use_tioctl(bool)
* setupterm(char *, int, int *)
*/
#include <curses.priv.h>
#include <tic.h> /* for MAX_NAME_SIZE */
-#include <term_entry.h>
-
-#if SVR4_TERMIO && !defined(_POSIX_SOURCE)
-#define _POSIX_SOURCE
-#endif
#if HAVE_LOCALE_H
#include <locale.h>
#endif
-#include <term.h> /* lines, columns, cur_term */
-
-MODULE_ID("$Id: lib_setup.c,v 1.117 2009/06/06 17:56:31 tom Exp $")
+MODULE_ID("$Id: lib_setup.c,v 1.194 2018/06/30 19:40:27 tom Exp $")
/****************************************************************************
*
* 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 USE_REENTRANT
+
NCURSES_EXPORT(char *)
NCURSES_PUBLIC_VAR(ttytype) (void)
{
static char empty[] = "";
- return cur_term ? cur_term->type.term_names : empty;
+ char *result = empty;
+
+#if NCURSES_SP_FUNCS
+ if (CURRENT_SCREEN) {
+ TERMINAL *termp = TerminalOf(CURRENT_SCREEN);
+ if (termp != 0) {
+ result = TerminalType(termp).term_names;
+ }
+ }
+#else
+ if (cur_term != 0) {
+ result = TerminalType(cur_term).term_names;
+ }
+#endif
+ return result;
}
+
NCURSES_EXPORT(int *)
_nc_ptr_Lines(SCREEN *sp)
{
return ptrLines(sp);
}
+
NCURSES_EXPORT(int)
NCURSES_PUBLIC_VAR(LINES) (void)
{
return *_nc_ptr_Lines(CURRENT_SCREEN);
}
+
NCURSES_EXPORT(int *)
_nc_ptr_Cols(SCREEN *sp)
{
return ptrCols(sp);
}
+
NCURSES_EXPORT(int)
NCURSES_PUBLIC_VAR(COLS) (void)
{
return *_nc_ptr_Cols(CURRENT_SCREEN);
}
+
NCURSES_EXPORT(int *)
_nc_ptr_Tabsize(SCREEN *sp)
{
return ptrTabsize(sp);
}
+
NCURSES_EXPORT(int)
NCURSES_PUBLIC_VAR(TABSIZE) (void)
{
NCURSES_EXPORT(void)
NCURSES_SP_NAME(use_env) (NCURSES_SP_DCLx bool f)
{
- T((T_CALLED("use_env()")));
+ START_TRACE();
+ T((T_CALLED("use_env(%p,%d)"), (void *) SP_PARM, (int) f));
+#if NCURSES_SP_FUNCS
if (IsPreScreen(SP_PARM)) {
SP_PARM->_use_env = f;
- } else {
- _nc_prescreen.use_env = f;
}
+#else
+ _nc_prescreen.use_env = f;
+#endif
+ 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;
}
NCURSES_EXPORT(void)
use_env(bool f)
{
- NCURSES_SP_NAME(use_env) (CURRENT_SCREEN, 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
NCURSES_EXPORT(void)
-_nc_get_screensize(SCREEN *sp, int *linep, int *colp)
+_nc_get_screensize(SCREEN *sp,
+#ifdef USE_TERM_DRIVER
+ TERMINAL *termp,
+#endif
+ int *linep, int *colp)
/* Obtain lines/columns values from the environment and/or terminfo entry */
{
+#ifdef USE_TERM_DRIVER
+ TERMINAL_CONTROL_BLOCK *TCB;
+ int my_tabsize;
+
+ assert(termp != 0 && linep != 0 && colp != 0);
+ TCB = (TERMINAL_CONTROL_BLOCK *) termp;
+
+ my_tabsize = TCB->info.tabsize;
+ TCB->drv->td_size(TCB, linep, colp);
+
+#if USE_REENTRANT
+ if (sp != 0) {
+ sp->_TABSIZE = my_tabsize;
+ }
+#else
+ (void) sp;
+ TABSIZE = my_tabsize;
+#endif
+ T(("TABSIZE = %d", my_tabsize));
+#else /* !USE_TERM_DRIVER */
TERMINAL *termp = cur_term;
int my_tabsize;
+ bool useEnv = _nc_prescreen.use_env;
+ bool useTioctl = _nc_prescreen.use_tioctl;
/* figure out the size of the screen */
T(("screen size: terminfo lines = %d columns = %d", lines, columns));
- if (!_nc_prescreen.use_env) {
- *linep = (int) lines;
- *colp = (int) columns;
- } else { /* usually want to query LINES and COLUMNS from environment */
- int value;
+ *linep = (int) lines;
+ *colp = (int) columns;
- *linep = *colp = 0;
-
- /* first, look for environment variables */
- if ((value = _nc_getenv_num("LINES")) > 0) {
- *linep = value;
- }
- if ((value = _nc_getenv_num("COLUMNS")) > 0) {
- *colp = value;
- }
- T(("screen size: environment LINES = %d COLUMNS = %d", *linep, *colp));
+#if NCURSES_SP_FUNCS
+ if (sp) {
+ useEnv = sp->_use_env;
+ useTioctl = sp->use_tioctl;
+ }
+#endif
+ if (useEnv || useTioctl) {
#ifdef __EMX__
- if (*linep <= 0 || *colp <= 0) {
+ {
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
- /* if that didn't work, maybe we can try asking the OS */
- if (*linep <= 0 || *colp <= 0) {
- if (isatty(cur_term->Filedes)) {
- STRUCT_WINSIZE size;
-
- errno = 0;
- do {
- if (ioctl(cur_term->Filedes, IOCTL_WINSIZE, &size) < 0
- && errno != EINTR)
- goto failure;
- } while
- (errno == EINTR);
+ /* try asking the OS */
+ if (NC_ISATTY(cur_term->Filedes)) {
+ STRUCT_WINSIZE size;
+
+ errno = 0;
+ do {
+ if (ioctl(cur_term->Filedes, IOCTL_WINSIZE, &size) >= 0) {
+ *linep = ((sp != 0 && sp->_filtered)
+ ? 1
+ : WINSIZE_ROWS(size));
+ *colp = WINSIZE_COLS(size);
+ T(("SYS screen size: environment LINES = %d COLUMNS = %d",
+ *linep, *colp));
+ break;
+ }
+ } while
+ (errno == EINTR);
+ }
+#endif /* HAVE_SIZECHANGE */
+ if (useEnv) {
+ int value;
+
+ if (useTioctl) {
/*
- * Solaris lets users override either dimension with an
- * environment variable.
+ * If environment variables are used, update them.
*/
- if (*linep <= 0)
- *linep = (sp != 0 && sp->_filtered) ? 1 : WINSIZE_ROWS(size);
- if (*colp <= 0)
- *colp = WINSIZE_COLS(size);
+ 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);
+ }
+ }
+
+ /*
+ * 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));
}
- /* FALLTHRU */
- failure:;
}
-#endif /* HAVE_SIZECHANGE */
/* if we can't get dynamic info about the size, use static */
if (*linep <= 0) {
* 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
}
T(("screen size is %dx%d", *linep, *colp));
TABSIZE = my_tabsize;
#endif
T(("TABSIZE = %d", TABSIZE));
+#endif /* USE_TERM_DRIVER */
}
#if USE_SIZECHANGE
NCURSES_EXPORT(void)
_nc_update_screensize(SCREEN *sp)
{
+ int new_lines;
+ int new_cols;
+
+#ifdef USE_TERM_DRIVER
+ int old_lines;
+ int old_cols;
+
+ assert(sp != 0);
+
+ CallDriver_2(sp, td_getsize, &old_lines, &old_cols);
+
+#else
TERMINAL *termp = cur_term;
int old_lines = lines;
- int new_lines;
int old_cols = columns;
- int new_cols;
+#endif
- _nc_get_screensize(sp, &new_lines, &new_cols);
+ 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))
+ if (sp != 0 && 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;
}
}
*
****************************************************************************/
-#define ret_error(code, fmt, arg) if (errret) {\
- *errret = code;\
- returnCode(ERR);\
- } else {\
- fprintf(stderr, fmt, arg);\
- exit(EXIT_FAILURE);\
- }
-
-#define ret_error0(code, msg) if (errret) {\
- *errret = code;\
- returnCode(ERR);\
- } else {\
- fprintf(stderr, msg);\
- exit(EXIT_FAILURE);\
- }
-
-#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().
*/
-static int
-grab_entry(const char *const tn, TERMTYPE *const tp)
+int
+_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
#endif
/*
-** do_prototype()
-**
** Take the real command character out of the CC environment variable
** and substitute it in for the prototype given in 'command_character'.
*/
-static void
-do_prototype(TERMINAL * termp)
+void
+_nc_tinfo_cmdch(TERMINAL *termp, int proto)
{
- unsigned i;
- char CC;
- char proto;
char *tmp;
- if ((tmp = getenv("CC")) != 0) {
- if ((CC = *tmp) != 0) {
- proto = *command_character;
-
- for_each_string(i, &(termp->type)) {
- for (tmp = termp->type.Strings[i]; *tmp; tmp++) {
- if (*tmp == proto)
- *tmp = CC;
- }
+ /*
+ * Only use the character if the string is a single character,
+ * since it is fairly common for developers to set the C compiler
+ * name as an environment variable - using the same symbol.
+ */
+ if ((tmp = getenv("CC")) != 0 && strlen(tmp) == 1) {
+ unsigned i;
+ char CC = *tmp;
+
+ for_each_string(i, &(termp->type)) {
+ for (tmp = termp->type.Strings[i]; tmp && *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
_nc_unicode_locale(void)
{
int result = 0;
-#if HAVE_LANGINFO_CODESET
+#if defined(_WIN32) && 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));
* character set.
*/
NCURSES_EXPORT(int)
-_nc_locale_breaks_acs(TERMINAL * termp)
+_nc_locale_breaks_acs(TERMINAL *termp)
{
- char *env;
+ const char *env_name = "NCURSES_NO_UTF8_ACS";
+ const char *env;
+ int value;
+ int result = 0;
- if ((env = getenv("NCURSES_NO_UTF8_ACS")) != 0) {
- return atoi(env);
+ 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) {
+ result = value; /* use extension feature */
} else if ((env = getenv("TERM")) != 0) {
- if (strstr(env, "linux"))
- return 1; /* always broken */
- if (strstr(env, "screen") != 0
- && ((env = getenv("TERMCAP")) != 0
- && strstr(env, "screen") != 0)
- && strstr(env, "hhII00") != 0) {
+ if (strstr(env, "linux")) {
+ result = 1; /* always broken */
+ } else if (strstr(env, "screen") != 0
+ && ((env = getenv("TERMCAP")) != 0
+ && strstr(env, "screen") != 0)
+ && strstr(env, "hhII00") != 0) {
if (CONTROL_N(enter_alt_charset_mode) ||
CONTROL_O(enter_alt_charset_mode) ||
CONTROL_N(set_attributes) ||
- CONTROL_O(set_attributes))
- return 1;
+ CONTROL_O(set_attributes)) {
+ result = 1;
+ }
}
}
- return 0;
+ returnCode(result);
}
-/*
- * This entrypoint is called from tgetent() to allow a special case of reusing
- * the same TERMINAL data (see comment).
- */
NCURSES_EXPORT(int)
-_nc_setupterm(NCURSES_CONST char *tname, int Filedes, int *errret, bool reuse)
+TINFO_SETUP_TERM(TERMINAL **tp,
+ const char *tname,
+ int Filedes,
+ int *errret,
+ int reuse)
{
+#ifdef USE_TERM_DRIVER
+ TERMINAL_CONTROL_BLOCK *TCB = 0;
+#endif
TERMINAL *termp;
- int status;
+ SCREEN *sp = 0;
+ int code = ERR;
START_TRACE();
- T((T_CALLED("setupterm(%s,%d,%p)"), _nc_visbuf(tname), Filedes, errret));
+
+#ifdef USE_TERM_DRIVER
+ T((T_CALLED("_nc_setupterm_ex(%p,%s,%d,%p)"),
+ (void *) tp, _nc_visbuf(tname), Filedes, (void *) errret));
+
+ if (tp == 0) {
+ ret_error0(TGETENT_ERR,
+ "Invalid parameter, internal error.\n");
+ } else
+ termp = *tp;
+#else
+ termp = cur_term;
+ T((T_CALLED("setupterm(%s,%d,%p)"), _nc_visbuf(tname), Filedes, (void *) errret));
+#endif
if (tname == 0) {
tname = getenv("TERM");
if (tname == 0 || *tname == '\0') {
+#ifdef USE_TERM_DRIVER
+ tname = "unknown";
+#else
ret_error0(TGETENT_ERR, "TERM environment variable not set.\n");
+#endif
}
}
* 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;
/*
* properly with this feature).
*/
if (reuse
- && (termp = cur_term) != 0
+ && (termp != 0)
&& termp->Filedes == Filedes
&& termp->_termname != 0
&& !strcmp(termp->_termname, tname)
- && _nc_name_match(termp->type.term_names, tname, "|")) {
+ && _nc_name_match(TerminalType(termp).term_names, tname, "|")) {
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
+ 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");
}
-#if USE_DATABASE || USE_TERMCAP
- status = grab_entry(tname, &termp->type);
+#ifdef USE_TERM_DRIVER
+ INIT_TERM_DRIVER();
+ TCB = (TERMINAL_CONTROL_BLOCK *) termp;
+ code = _nc_globals.term_driver(TCB, tname, errret);
+ if (code == OK) {
+ termp->Filedes = (short) Filedes;
+ termp->_termname = strdup(tname);
+ } else {
+ ret_error0(errret ? *errret : TGETENT_ERR,
+ "Could not find any driver to handle this terminal.\n");
+ }
+#else
+#if NCURSES_USE_DATABASE || NCURSES_USE_TERMCAP
+ status = _nc_setup_tinfo(tname, &TerminalType(termp));
#else
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(tname);
if (fallback) {
- termp->type = *fallback;
+ TerminalType(termp) = *fallback;
status = TGETENT_YES;
}
}
if (status == TGETENT_ERR) {
ret_error0(status, "terminals database is inaccessible\n");
} else if (status == TGETENT_NO) {
- ret_error(status, "'%s': unknown terminal type.\n", tname);
+ ret_error1(status, "unknown terminal type.\n", tname);
}
}
+#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 = Filedes;
+ termp->Filedes = (short) Filedes;
termp->_termname = strdup(tname);
set_curterm(termp);
- if (command_character && getenv("CC"))
- do_prototype(termp);
+ if (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();
+ if (NC_ISATTY(Filedes)) {
+ NCURSES_SP_NAME(def_shell_mode) (NCURSES_SP_ARG);
+ NCURSES_SP_NAME(def_prog_mode) (NCURSES_SP_ARG);
baudrate();
}
+ code = OK;
+#endif
}
+#ifdef USE_TERM_DRIVER
+ *tp = termp;
+ NCURSES_SP_NAME(set_curterm) (sp, termp);
+ TCB->drv->td_init(TCB);
+#else
+ sp = SP;
+#endif
+
/*
* We should always check the screensize, just in case.
*/
- _nc_get_screensize(SP, ptrLines(SP), ptrCols(SP));
+ TINFO_GET_SIZE(sp, termp, ptrLines(sp), ptrCols(sp));
if (errret)
*errret = TGETENT_YES;
+#ifndef USE_TERM_DRIVER
if (generic_type) {
- ret_error(TGETENT_NO, "'%s': I need something more specific.\n", tname);
+ /*
+ * BSD 4.3's termcap contains mis-typed "gn" for wy99. Do a sanity
+ * check before giving up.
+ */
+ 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);
+ } else {
+ del_curterm(termp);
+ ret_error1(TGETENT_NO, "I need something more specific.\n", tname);
+ }
+ } else if (hard_copy) {
+ ret_error1(TGETENT_YES, "I can't handle hardcopy terminals.\n", tname);
}
- if (hard_copy) {
- ret_error(TGETENT_YES, "'%s': I can't handle hardcopy terminals.\n", tname);
+#endif
+ 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;
+ }
}
- returnCode(OK);
+ 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();
+ 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;
+ }
+ }
+}
+#endif /* USE_PTHREADS */
+
+#if NCURSES_SP_FUNCS
+/*
+ * In case of handling multiple screens, we need to have a screen before
+ * 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)
+{
+ SCREEN *sp;
+
+ START_TRACE();
+ T((T_CALLED("new_prescr()")));
+
+ _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;
+#if NCURSES_NO_PADDING
+ sp->_no_padding = _nc_prescreen._no_padding;
+#endif
+ sp->slk_format = 0;
+ sp->_slk = 0;
+ sp->_prescreen = TRUE;
+ SP_PRE_INIT(sp);
+#if USE_REENTRANT
+ sp->_TABSIZE = _nc_prescreen._TABSIZE;
+ sp->_ESCDELAY = _nc_prescreen._ESCDELAY;
+#endif
+ }
+ } else {
+ T(("_nc_alloc_screen_sp %p (reuse)", (void *) sp));
+ }
+ _nc_unlock_global(screen);
+ returnSP(sp);
+}
+#endif
+
+#ifdef USE_TERM_DRIVER
+/*
+ * This entrypoint is called from tgetent() to allow a special case of reusing
+ * the same TERMINAL data (see comment).
+ */
+NCURSES_EXPORT(int)
+_nc_setupterm(const char *tname,
+ int Filedes,
+ int *errret,
+ int reuse)
+{
+ int rc = ERR;
+ TERMINAL *termp = 0;
+
+ _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
+
/*
* setupterm(termname, Filedes, errret)
*
* 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