X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftinfo%2Flib_setup.c;h=33cf2f96195f3ee06010e66b7abbadcf7d4a6346;hp=9bfe17a861a64c078dbb55124328dc8bfc6fece9;hb=b5be26931d6488adcb1ff8bc07df9de378ce0d27;hpb=c002077d39fa24ddfe33793eb22942d9518da6fd diff --git a/ncurses/tinfo/lib_setup.c b/ncurses/tinfo/lib_setup.c index 9bfe17a8..33cf2f96 100644 --- a/ncurses/tinfo/lib_setup.c +++ b/ncurses/tinfo/lib_setup.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998-2010,2011 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 * @@ -37,6 +37,7 @@ * Terminal setup routines common to termcap and terminfo: * * use_env(bool) + * use_tioctl(bool) * setupterm(char *, int, int *) */ @@ -47,7 +48,7 @@ #include #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 1.188 2017/07/01 18:24:50 tom Exp $") /**************************************************************************** * @@ -97,7 +98,7 @@ MODULE_ID("$Id: lib_setup.c,v 1.141 2011/08/13 16:07:22 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. @@ -114,12 +115,12 @@ NCURSES_PUBLIC_VAR(ttytype) (void) 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; @@ -219,9 +220,9 @@ _nc_handle_sigwinch(SCREEN *sp) 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; } @@ -231,21 +232,45 @@ NCURSES_SP_NAME(use_env) (NCURSES_SP_DCLx bool 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 */ @@ -258,7 +283,7 @@ _nc_get_screensize(SCREEN *sp, 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) { @@ -272,6 +297,8 @@ _nc_get_screensize(SCREEN *sp, #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)); @@ -279,22 +306,29 @@ _nc_get_screensize(SCREEN *sp, *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; @@ -313,19 +347,35 @@ _nc_get_screensize(SCREEN *sp, } #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 */ @@ -348,8 +398,14 @@ _nc_get_screensize(SCREEN *sp, * 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)); @@ -382,7 +438,7 @@ _nc_update_screensize(SCREEN *sp) 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; @@ -397,10 +453,12 @@ _nc_update_screensize(SCREEN *sp) * 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; } } @@ -412,16 +470,16 @@ _nc_update_screensize(SCREEN *sp) * ****************************************************************************/ -#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 @@ -449,10 +507,8 @@ _nc_setup_tinfo(const char *const tn, TERMTYPE *const tp) ** 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; /* @@ -461,10 +517,12 @@ _nc_tinfo_cmdch(TERMINAL * termp, char proto) * 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) + if (UChar(*tmp) == proto) *tmp = CC; } } @@ -502,7 +560,9 @@ NCURSES_EXPORT(int) _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)); @@ -526,13 +586,14 @@ _nc_unicode_locale(void) * 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) { @@ -552,20 +613,18 @@ _nc_locale_breaks_acs(TERMINAL * termp) } } } - 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, - bool reuse) + int reuse) { #ifdef USE_TERM_DRIVER TERMINAL_CONTROL_BLOCK *TCB = 0; -#else - int status; #endif TERMINAL *termp; SCREEN *sp = 0; @@ -590,7 +649,11 @@ TINFO_SETUP_TERM(TERMINAL ** tp, 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 } } @@ -606,7 +669,7 @@ TINFO_SETUP_TERM(TERMINAL ** tp, * 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; /* @@ -630,13 +693,21 @@ TINFO_SETUP_TERM(TERMINAL ** tp, && 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) { @@ -651,22 +722,24 @@ TINFO_SETUP_TERM(TERMINAL ** tp, 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) { - termp->type = *fallback; + TerminalType(termp) = *fallback; status = TGETENT_YES; } } @@ -679,9 +752,11 @@ TINFO_SETUP_TERM(TERMINAL ** tp, 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 = (short) Filedes; @@ -690,16 +765,17 @@ TINFO_SETUP_TERM(TERMINAL ** tp, set_curterm(termp); if (command_character) - _nc_tinfo_cmdch(termp, *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; @@ -709,7 +785,7 @@ TINFO_SETUP_TERM(TERMINAL ** tp, #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 @@ -733,6 +809,7 @@ TINFO_SETUP_TERM(TERMINAL ** tp, && 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) { @@ -742,24 +819,79 @@ TINFO_SETUP_TERM(TERMINAL ** tp, 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; @@ -775,7 +907,10 @@ new_prescr(void) sp->_ESCDELAY = _nc_prescreen._ESCDELAY; #endif } + } else { + T(("_nc_alloc_screen_sp %p (reuse)", (void *) sp)); } + _nc_unlock_global(screen); returnSP(sp); } #endif @@ -789,14 +924,21 @@ NCURSES_EXPORT(int) _nc_setupterm(NCURSES_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_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 @@ -809,5 +951,6 @@ _nc_setupterm(NCURSES_CONST char *tname, NCURSES_EXPORT(int) setupterm(NCURSES_CONST char *tname, int Filedes, int *errret) { + START_TRACE(); return _nc_setupterm(tname, Filedes, errret, FALSE); }