diff options
Diffstat (limited to 'ncurses-5.2/ncurses/tinfo/lib_setup.c')
| -rw-r--r-- | ncurses-5.2/ncurses/tinfo/lib_setup.c | 414 |
1 files changed, 0 insertions, 414 deletions
diff --git a/ncurses-5.2/ncurses/tinfo/lib_setup.c b/ncurses-5.2/ncurses/tinfo/lib_setup.c deleted file mode 100644 index 64c7afb..0000000 --- a/ncurses-5.2/ncurses/tinfo/lib_setup.c +++ /dev/null @@ -1,414 +0,0 @@ -/**************************************************************************** - * Copyright (c) 1998,1999,2000 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> * - ****************************************************************************/ - -/* - * 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 - -#include <term.h> /* lines, columns, cur_term */ - -MODULE_ID("$Id$") - -/**************************************************************************** - * - * 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 - -/* - * 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 - -static int _use_env = TRUE; - -static void do_prototype(void); - -void -use_env(bool f) -{ - _use_env = f; -} - -int LINES = 0, COLS = 0, TABSIZE = 0; - -static void -_nc_get_screensize(int *linep, int *colp) -/* Obtain lines/columns values from the environment and/or terminfo entry */ -{ - /* figure out the size of the screen */ - T(("screen size: terminfo lines = %d columns = %d", lines, columns)); - - if (!_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 = 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 || *colp <= 0) - if (lines > 0 && columns > 0) { - *linep = (int) lines; - *colp = (int) columns; - } - - /* the ultimate fallback, assume fixed 24x80 size */ - if (*linep <= 0 || *colp <= 0) { - *linep = 24; - *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)) - TABSIZE = (int) init_tabs; - else - TABSIZE = 8; - T(("TABSIZE = %d", TABSIZE)); - -} - -#if USE_SIZECHANGE -void -_nc_update_screensize(void) -{ - int my_lines, my_cols; - - _nc_get_screensize(&my_lines, &my_cols); - if (SP != 0 && SP->_resize != 0) - SP->_resize(my_lines, my_cols); -} -#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 -static int -grab_entry(const char *const tn, TERMTYPE * const tp) -/* return 1 if entry found, 0 if not found, -1 if database not accessible */ -{ - char filename[PATH_MAX]; - int status; - - /* - * $TERM shouldn't contain pathname delimiters. - */ - if (strchr(tn, '/')) - return 0; - - if ((status = _nc_read_entry(tn, filename, tp)) != 1) { - -#if !PURE_TERMINFO - /* - * Try falling back on the termcap file. - * Note: allowing this call links the entire terminfo/termcap - * compiler into the startup code. It's preferable to build a - * real terminfo database and use that. - */ - status = _nc_read_termcap_entry(tn, tp); -#endif /* PURE_TERMINFO */ - - } - - /* - * 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 == 1) { - int 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 - -char ttytype[NAMESIZE] = ""; - -/* - * setupterm(termname, Filedes, errret) - * - * Find and read the appropriate object file for the terminal - * Make cur_term point to the structure. - * - */ - -int -setupterm(NCURSES_CONST char *tname, int Filedes, int *errret) -{ - struct term *term_ptr; - int status; - - 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(-1, "TERM environment variable not set.\n"); - } - } - if (strlen(tname) > MAX_NAME_SIZE) { - ret_error(-1, "TERM environment must be <= %d characters.\n", - MAX_NAME_SIZE); - } - - T(("your terminal name is %s", tname)); - - term_ptr = typeCalloc(TERMINAL, 1); - - if (term_ptr == 0) { - ret_error0(-1, "Not enough memory to create terminal structure.\n"); - } -#if USE_DATABASE - status = grab_entry(tname, &term_ptr->type); -#else - status = 0; -#endif - - /* try fallback list if entry on disk */ - if (status != 1) { - const TERMTYPE *fallback = _nc_fallback(tname); - - if (fallback) { - term_ptr->type = *fallback; - status = 1; - } - } - - if (status == -1) { - ret_error0(-1, "terminals database is inaccessible\n"); - } else if (status == 0) { - ret_error(0, "'%s': unknown terminal type.\n", tname); - } - - /* - * Improve 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 (cur_term != 0) { - if (cur_term->Filedes == Filedes) - term_ptr->Ottyb = cur_term->Ottyb; - } - - set_curterm(term_ptr); - - if (command_character && getenv("CC")) - do_prototype(); - - strncpy(ttytype, cur_term->type.term_names, NAMESIZE - 1); - ttytype[NAMESIZE - 1] = '\0'; - - /* - * 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; - cur_term->Filedes = Filedes; - - _nc_get_screensize(&LINES, &COLS); - - if (errret) - *errret = 1; - - T((T_CREATE("screen %s %dx%d"), tname, LINES, COLS)); - - if (generic_type) { - ret_error(0, "'%s': I need something more specific.\n", tname); - } - if (hard_copy) { - ret_error(1, "'%s': I can't handle hardcopy terminals.\n", tname); - } - returnCode(OK); -} - -/* -** 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; - } - } -} |