diff options
Diffstat (limited to 'contrib/ncurses/ncurses/tinfo/lib_setup.c')
| -rw-r--r-- | contrib/ncurses/ncurses/tinfo/lib_setup.c | 618 |
1 files changed, 0 insertions, 618 deletions
diff --git a/contrib/ncurses/ncurses/tinfo/lib_setup.c b/contrib/ncurses/ncurses/tinfo/lib_setup.c deleted file mode 100644 index 08cb783c5942..000000000000 --- a/contrib/ncurses/ncurses/tinfo/lib_setup.c +++ /dev/null @@ -1,618 +0,0 @@ -/**************************************************************************** - * Copyright (c) 1998-2007,2008 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 * - * "Software"), to deal in the Software without restriction, including * - * without limitation the rights to use, copy, modify, merge, publish, * - * distribute, distribute with modifications, sublicense, and/or sell * - * copies of the Software, and to permit persons to whom the Software is * - * furnished to do so, subject to the following conditions: * - * * - * The above copyright notice and this permission notice shall be included * - * in all copies or substantial portions of the Software. * - * * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * - * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * - * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * - * * - * Except as contained in this notice, the name(s) of the above copyright * - * holders shall not be used in advertising or otherwise to promote the * - * sale, use or other dealings in this Software without prior written * - * authorization. * - ****************************************************************************/ - -/**************************************************************************** - * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * - * and: Eric S. Raymond <esr@snark.thyrsus.com> * - * and: Thomas E. Dickey 1996-on * - ****************************************************************************/ - -/* - * Terminal setup routines common to termcap and terminfo: - * - * use_env(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 1.105 2008/05/03 22:41:42 tom Exp $") - -/**************************************************************************** - * - * Terminal size computation - * - ****************************************************************************/ - -#if HAVE_SIZECHANGE -# if !defined(sun) || !TERMIOS -# if HAVE_SYS_IOCTL_H -# include <sys/ioctl.h> -# endif -# endif -#endif - -#if NEED_PTEM_H - /* On SCO, they neglected to define struct winsize in termios.h -- it's only - * in termio.h and ptem.h (the former conflicts with other definitions). - */ -# include <sys/stream.h> -# include <sys/ptem.h> -#endif - -#if HAVE_LANGINFO_CODESET -#include <langinfo.h> -#endif - -/* - * SCO defines TIOCGSIZE and the corresponding struct. Other systems (SunOS, - * Solaris, IRIX) define TIOCGWINSZ and struct winsize. - */ -#ifdef TIOCGSIZE -# define IOCTL_WINSIZE TIOCGSIZE -# define STRUCT_WINSIZE struct ttysize -# define WINSIZE_ROWS(n) (int)n.ts_lines -# define WINSIZE_COLS(n) (int)n.ts_cols -#else -# ifdef TIOCGWINSZ -# define IOCTL_WINSIZE TIOCGWINSZ -# define STRUCT_WINSIZE struct winsize -# define WINSIZE_ROWS(n) (int)n.ws_row -# define WINSIZE_COLS(n) (int)n.ws_col -# endif -#endif - -/* - * 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; -} -NCURSES_EXPORT(int) -NCURSES_PUBLIC_VAR(LINES) (void) -{ - return (SP ? SP->_LINES : _nc_prescreen._LINES); -} -NCURSES_EXPORT(int) -NCURSES_PUBLIC_VAR(COLS) (void) -{ - return SP ? SP->_COLS : _nc_prescreen._COLS; -} -NCURSES_EXPORT(int) -NCURSES_PUBLIC_VAR(TABSIZE) (void) -{ - return SP ? SP->_TABSIZE : 8; -} -#else -NCURSES_EXPORT_VAR(char) ttytype[NAMESIZE] = ""; -NCURSES_EXPORT_VAR(int) LINES = 0; -NCURSES_EXPORT_VAR(int) COLS = 0; -NCURSES_EXPORT_VAR(int) TABSIZE = 0; -#endif - -#if NCURSES_EXT_FUNCS -NCURSES_EXPORT(int) -set_tabsize(int value) -{ - int code = OK; -#if USE_REENTRANT - if (SP) { - SP->_TABSIZE = value; - } else { - code = ERR; - } -#else - TABSIZE = value; -#endif - return code; -} -#endif - -#if USE_SIGWINCH -/* - * If we have a pending SIGWINCH, set the flag in each screen. - */ -NCURSES_EXPORT(int) -_nc_handle_sigwinch(SCREEN *sp) -{ - SCREEN *scan; - - if (_nc_globals.have_sigwinch) { - _nc_globals.have_sigwinch = 0; - - for (each_screen(scan)) { - scan->_sig_winch = TRUE; - } - } - - return (sp ? sp->_sig_winch : 0); -} - -#endif - -NCURSES_EXPORT(void) -use_env(bool f) -{ - T((T_CALLED("use_env()"))); - _nc_prescreen.use_env = f; - returnVoid; -} - -NCURSES_EXPORT(void) -_nc_get_screensize(SCREEN *sp, int *linep, int *colp) -/* Obtain lines/columns values from the environment and/or terminfo entry */ -{ - int my_tabsize; - - /* 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 = *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)); - -#ifdef __EMX__ - if (*linep <= 0 || *colp <= 0) { - int screendata[2]; - _scrsize(screendata); - *colp = screendata[0]; - *linep = 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); - - /* - * Solaris lets users override either dimension with an - * environment variable. - */ - if (*linep <= 0) - *linep = (sp != 0 && sp->_filtered) ? 1 : WINSIZE_ROWS(size); - if (*colp <= 0) - *colp = WINSIZE_COLS(size); - } - /* FALLTHRU */ - failure:; - } -#endif /* HAVE_SIZECHANGE */ - - /* 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; - } - - /* - * 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); - } - - T(("screen size is %dx%d", *linep, *colp)); - - if (VALID_NUMERIC(init_tabs)) - my_tabsize = (int) init_tabs; - else - my_tabsize = 8; - -#if USE_REENTRANT - if (sp != 0) - sp->_TABSIZE = my_tabsize; -#else - TABSIZE = my_tabsize; -#endif - T(("TABSIZE = %d", TABSIZE)); -} - -#if USE_SIZECHANGE -NCURSES_EXPORT(void) -_nc_update_screensize(SCREEN *sp) -{ - int old_lines = lines; - int new_lines; - int old_cols = columns; - int new_cols; - - _nc_get_screensize(sp, &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(new_lines, new_cols); - sp->_sig_winch = FALSE; - } -} -#endif - -/**************************************************************************** - * - * Terminal setup - * - ****************************************************************************/ - -#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 -/* - * 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) -{ - char filename[PATH_MAX]; - int status = _nc_read_entry(tn, filename, tp); - - /* - * If we have an entry, force all of the cancelled strings to null - * pointers so we don't have to test them in the rest of the library. - * (The terminfo compiler bypasses this logic, since it must know if - * a string is cancelled, for merging entries). - */ - if (status == TGETENT_YES) { - unsigned n; - for_each_boolean(n, tp) { - if (!VALID_BOOLEAN(tp->Booleans[n])) - tp->Booleans[n] = FALSE; - } - for_each_string(n, tp) { - if (tp->Strings[n] == CANCELLED_STRING) - tp->Strings[n] = ABSENT_STRING; - } - } - return (status); -} -#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(void) -{ - int i; - char CC; - char proto; - char *tmp; - - tmp = getenv("CC"); - CC = *tmp; - proto = *command_character; - - for_each_string(i, &(cur_term->type)) { - for (tmp = cur_term->type.Strings[i]; *tmp; tmp++) { - if (*tmp == proto) - *tmp = CC; - } - } -} - -/* - * Find the locale which is in effect. - */ -NCURSES_EXPORT(char *) -_nc_get_locale(void) -{ - char *env; -#if HAVE_LOCALE_H - /* - * This is preferable to using getenv() since it ensures that we are using - * the locale which was actually initialized by the application. - */ - env = setlocale(LC_CTYPE, 0); -#else - if (((env = getenv("LC_ALL")) != 0 && *env != '\0') - || ((env = getenv("LC_CTYPE")) != 0 && *env != '\0') - || ((env = getenv("LANG")) != 0 && *env != '\0')) { - ; - } -#endif - T(("_nc_get_locale %s", _nc_visbuf(env))); - return env; -} - -/* - * Check if we are running in a UTF-8 locale. - */ -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)); -#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)); - } - } -#endif - return result; -} - -#define CONTROL_N(s) ((s) != 0 && strstr(s, "\016") != 0) -#define CONTROL_O(s) ((s) != 0 && strstr(s, "\017") != 0) - -/* - * Check for known broken cases where a UTF-8 locale breaks the alternate - * character set. - */ -NCURSES_EXPORT(int) -_nc_locale_breaks_acs(void) -{ - char *env; - - if ((env = getenv("NCURSES_NO_UTF8_ACS")) != 0) { - return atoi(env); - } 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 (CONTROL_N(enter_alt_charset_mode) || - CONTROL_O(enter_alt_charset_mode) || - CONTROL_N(set_attributes) || - CONTROL_O(set_attributes)) - return 1; - } - } - return 0; -} - -/* - * 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) -{ - int status; - - START_TRACE(); - T((T_CALLED("setupterm(%s,%d,%p)"), _nc_visbuf(tname), Filedes, errret)); - - if (tname == 0) { - tname = getenv("TERM"); - if (tname == 0 || *tname == '\0') { - ret_error0(TGETENT_ERR, "TERM environment variable not set.\n"); - } - } - - if (strlen(tname) > MAX_NAME_SIZE) { - ret_error(TGETENT_ERR, - "TERM environment must be <= %d characters.\n", - MAX_NAME_SIZE); - } - - T(("your terminal name is %s", tname)); - - /* - * 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)) - Filedes = STDERR_FILENO; - - /* - * Check if we have already initialized to use this terminal. If so, we - * do not need to re-read the terminfo entry, or obtain TTY settings. - * - * This is an improvement on SVr4 curses. If an application mixes curses - * and termcap calls, it may call both initscr and tgetent. This is not - * really a good thing to do, but can happen if someone tries using ncurses - * with the readline library. The problem we are fixing is that when - * tgetent calls setupterm, the resulting Ottyb struct in cur_term is - * zeroed. A subsequent call to endwin uses the zeroed terminal settings - * rather than the ones saved in initscr. So we check if cur_term appears - * to contain terminal settings for the same output file as our current - * call - and copy those terminal settings. (SVr4 curses does not do this, - * however applications that are working around the problem will still work - * properly with this feature). - */ - if (reuse - && cur_term != 0 - && cur_term->Filedes == Filedes - && cur_term->_termname != 0 - && !strcmp(cur_term->_termname, tname) - && _nc_name_match(cur_term->type.term_names, tname, "|")) { - T(("reusing existing terminal information and mode-settings")); - } else { - TERMINAL *term_ptr; - - term_ptr = typeCalloc(TERMINAL, 1); - - if (term_ptr == 0) { - ret_error0(TGETENT_ERR, - "Not enough memory to create terminal structure.\n"); - } -#if USE_DATABASE || USE_TERMCAP - status = grab_entry(tname, &term_ptr->type); -#else - status = TGETENT_NO; -#endif - - /* try fallback list if entry on disk */ - if (status != TGETENT_YES) { - const TERMTYPE *fallback = _nc_fallback(tname); - - if (fallback) { - term_ptr->type = *fallback; - status = TGETENT_YES; - } - } - - if (status != TGETENT_YES) { - del_curterm(term_ptr); - 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); - } - } - - set_curterm(term_ptr); - - if (command_character && getenv("CC")) - do_prototype(); - -#if !USE_REENTRANT - strncpy(ttytype, cur_term->type.term_names, NAMESIZE - 1); - ttytype[NAMESIZE - 1] = '\0'; -#endif - - cur_term->Filedes = Filedes; - cur_term->_termname = strdup(tname); - - /* - * 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. - */ - if (isatty(Filedes)) { - def_prog_mode(); - baudrate(); - } - } - - /* - * We should always check the screensize, just in case. - */ -#if USE_REENTRANT - _nc_get_screensize(SP, - SP ? &(SP->_LINES) : &(_nc_prescreen._LINES), - SP ? &(SP->_COLS) : &(_nc_prescreen._COLS)); -#else - _nc_get_screensize(SP, &LINES, &COLS); -#endif - - if (errret) - *errret = TGETENT_YES; - - if (generic_type) { - ret_error(TGETENT_NO, "'%s': I need something more specific.\n", tname); - } - if (hard_copy) { - ret_error(TGETENT_YES, "'%s': I can't handle hardcopy terminals.\n", tname); - } - returnCode(OK); -} - -/* - * setupterm(termname, Filedes, errret) - * - * Find and read the appropriate object file for the terminal - * Make cur_term point to the structure. - */ -NCURSES_EXPORT(int) -setupterm(NCURSES_CONST char *tname, int Filedes, int *errret) -{ - return _nc_setupterm(tname, Filedes, errret, FALSE); -} |