X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftinfo%2Flib_setup.c;h=27b9db84e5ee2b539933d45e678416db33068921;hp=b01df6a2fa58adf3da8ee93915da72ebb6b8cc68;hb=ef2d99350e0d3e4606171b5b1466ab92ec440205;hpb=26522e4669dbf45cba32138b5d81c6c292e88e60 diff --git a/ncurses/tinfo/lib_setup.c b/ncurses/tinfo/lib_setup.c index b01df6a2..27b9db84 100644 --- a/ncurses/tinfo/lib_setup.c +++ b/ncurses/tinfo/lib_setup.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc. * + * Copyright (c) 1998-2013,2014 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 * @@ -37,24 +37,18 @@ * Terminal setup routines common to termcap and terminfo: * * use_env(bool) + * use_tioctl(bool) * setupterm(char *, int, int *) */ #include #include /* for MAX_NAME_SIZE */ -#include - -#if SVR4_TERMIO && !defined(_POSIX_SOURCE) -#define _POSIX_SOURCE -#endif #if HAVE_LOCALE_H #include #endif -#include /* lines, columns, cur_term */ - -MODULE_ID("$Id: lib_setup.c,v 1.116 2009/05/30 20:39:21 tom Exp $") +MODULE_ID("$Id: lib_setup.c,v 1.159 2014/03/08 20:32:59 tom Exp $") /**************************************************************************** * @@ -110,37 +104,58 @@ MODULE_ID("$Id: lib_setup.c,v 1.116 2009/05/30 20:39:21 tom Exp $") * 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 = termp->type.term_names; + } + } +#else + if (cur_term != 0) { + result = cur_term->type.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) { @@ -205,12 +220,30 @@ _nc_handle_sigwinch(SCREEN *sp) NCURSES_EXPORT(void) NCURSES_SP_NAME(use_env) (NCURSES_SP_DCLx bool f) { - T((T_CALLED("use_env()"))); + 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; - } 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) +{ + T((T_CALLED("use_tioctl(%p,%d)"), (void *) SP_PARM, (int) f)); +#if NCURSES_SP_FUNCS + START_TRACE(); + if (IsPreScreen(SP_PARM)) { + SP_PARM->_use_tioctl = f; + } +#else + _nc_prescreen.use_tioctl = f; +#endif returnVoid; } @@ -218,74 +251,123 @@ NCURSES_SP_NAME(use_env) (NCURSES_SP_DCLx bool f) NCURSES_EXPORT(void) use_env(bool f) { - NCURSES_SP_NAME(use_env) (CURRENT_SCREEN, f); + T((T_CALLED("use_env(%d)"), (int) f)); + START_TRACE(); + _nc_prescreen.use_env = f; + returnVoid; +} + +NCURSES_EXPORT(void) +use_tioctl(bool f) +{ + T((T_CALLED("use_tioctl(%d)"), (int) f)); + START_TRACE(); + _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; /* 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 (_nc_prescreen.use_env || _nc_prescreen.use_tioctl) { + int value; #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 (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 (_nc_prescreen.use_env) { + if (_nc_prescreen.use_tioctl) { /* - * 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) { @@ -325,29 +407,43 @@ _nc_get_screensize(SCREEN *sp, int *linep, int *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)) - sp->_resize(new_lines, new_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; } } @@ -359,29 +455,13 @@ _nc_update_screensize(SCREEN *sp) * ****************************************************************************/ -#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, TERMTYPE *const tp) { char filename[PATH_MAX]; int status = _nc_read_entry(tn, filename, tp); @@ -408,28 +488,27 @@ grab_entry(const char *const tn, TERMTYPE *const tp) #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) { + CC = *tmp; + for_each_string(i, &(termp->type)) { + for (tmp = termp->type.Strings[i]; tmp && *tmp; tmp++) { + if (UChar(*tmp) == proto) + *tmp = CC; } } } @@ -466,7 +545,9 @@ 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)); @@ -492,44 +573,73 @@ _nc_unicode_locale(void) NCURSES_EXPORT(int) _nc_locale_breaks_acs(TERMINAL * termp) { + const char *env_name = "NCURSES_NO_UTF8_ACS"; char *env; + int value; + int result = 0; - if ((env = getenv("NCURSES_NO_UTF8_ACS")) != 0) { - return atoi(env); + 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; + return 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, + NCURSES_CONST char *tname, + int Filedes, + int *errret, + int reuse) { - TERMINAL *termp; +#ifdef USE_TERM_DRIVER + TERMINAL_CONTROL_BLOCK *TCB = 0; +#else int status; +#endif + TERMINAL *termp; + 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 } } @@ -565,22 +675,42 @@ _nc_setupterm(NCURSES_CONST char *tname, int Filedes, int *errret, bool reuse) * 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, "|")) { 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; + my_tcb = typeCalloc(TERMINAL_CONTROL_BLOCK, 1); + termp = &(my_tcb->term); +#else 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(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, &termp->type); #else status = TGETENT_NO; #endif @@ -590,7 +720,7 @@ _nc_setupterm(NCURSES_CONST char *tname, int Filedes, int *errret, bool reuse) const TERMTYPE *fallback = _nc_fallback(tname); if (fallback) { - termp->type = *fallback; + _nc_copy_termtype(&(termp->type), fallback); status = TGETENT_YES; } } @@ -600,21 +730,21 @@ _nc_setupterm(NCURSES_CONST char *tname, int Filedes, int *errret, bool reuse) 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 !USE_REENTRANT - strncpy(ttytype, termp->type.term_names, NAMESIZE - 1); + strncpy(ttytype, termp->type.term_names, (size_t) (NAMESIZE - 1)); ttytype[NAMESIZE - 1] = '\0'; #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 @@ -626,24 +756,104 @@ _nc_setupterm(NCURSES_CONST char *tname, int Filedes, int *errret, bool reuse) def_prog_mode(); 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); +} + +#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. + */ +NCURSES_EXPORT(SCREEN *) +new_prescr(void) +{ + static SCREEN *sp; + + START_TRACE(); + T((T_CALLED("new_prescr()"))); + + if (sp == 0) { + sp = _nc_alloc_screen_sp(); + if (sp != 0) { + 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 + } } - returnCode(OK); + 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(NCURSES_CONST char *tname, + int Filedes, + int *errret, + int reuse) +{ + int res; + TERMINAL *termp = 0; + res = TINFO_SETUP_TERM(&termp, tname, Filedes, errret, reuse); + if (ERR != res) + NCURSES_SP_NAME(set_curterm) (CURRENT_SCREEN_PRE, termp); + return res; +} +#endif /* * setupterm(termname, Filedes, errret)