/****************************************************************************
- * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc. *
+ * Copyright (c) 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 1.143 2012/02/29 11:50:19 Werner.Fink Exp $")
+MODULE_ID("$Id: lib_setup.c,v 1.188 2017/07/01 18:24:50 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 (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_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
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;
/* figure out the size of the screen */
T(("screen size: terminfo lines = %d columns = %d", lines, columns));
*linep = (int) lines;
*colp = (int) columns;
- if (_nc_prescreen.use_env) {
- int value;
+#if NCURSES_SP_FUNCS
+ if (sp) {
+ useEnv = sp->_use_env;
+ useTioctl = sp->use_tioctl;
+ }
+#endif
+ 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 (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);
+ }
+ }
+
+ /*
+ * 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 we can't get dynamic info about the size, use static */
* 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));
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;
* 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;
}
}
*
****************************************************************************/
-#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
** and substitute it in for the prototype given in 'command_character'.
*/
void
-_nc_tinfo_cmdch(TERMINAL * termp, int 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 (UChar(*tmp) == proto)
_nc_unicode_locale(void)
{
int result = 0;
-#if HAVE_LANGINFO_CODESET
+#if defined(__MINGW32__) && 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)
{
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,
+TINFO_SETUP_TERM(TERMINAL **tp,
NCURSES_CONST char *tname,
int Filedes,
int *errret,
{
#ifdef USE_TERM_DRIVER
TERMINAL_CONTROL_BLOCK *TCB = 0;
-#else
- int status;
#endif
TERMINAL *termp;
SCREEN *sp = 0;
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;
/*
&& 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
- 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) {
termp->Filedes = (short) Filedes;
termp->_termname = strdup(tname);
} else {
- ret_error0(TGETENT_ERR,
+ _nc_free_termtype2(&TerminalType(termp));
+ free(my_tcb);
+ ret_error0(errret ? *errret : TGETENT_ERR,
"Could not find any driver to handle this terminal.\n");
}
#else
-#if USE_DATABASE || USE_TERMCAP
- status = _nc_setup_tinfo(tname, &termp->type);
+#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) {
- _nc_copy_termtype(&(termp->type),fallback);
+ TerminalType(termp) = *fallback;
status = TGETENT_YES;
}
}
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, (size_t) (NAMESIZE - 1));
- ttytype[NAMESIZE - 1] = '\0';
+ save_ttytype(termp);
#endif
termp->Filedes = (short) Filedes;
* 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;
#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
&& 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) {
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;
+ for (p = _nc_prescreen.allocated; p != 0; p = p->next) {
+ if (p->id == pthread_self()) {
+ 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;
+ for (p = _nc_prescreen.allocated, q = 0; p != 0; q = p, p = p->next) {
+ if (p->id == pthread_self()) {
+ 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 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 = pthread_self();
+ 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
int *errret,
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_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
NCURSES_EXPORT(int)
setupterm(NCURSES_CONST char *tname, int Filedes, int *errret)
{
+ START_TRACE();
return _nc_setupterm(tname, Filedes, errret, FALSE);
}
projects / ncurses.git / blobdiff