X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftinfo%2Flib_setup.c;h=eb0bffb1654a6c0dc0325469d674f197cac63615;hp=0b8aeba5a8cfa9ebc35115d1eed33040bf8d6d2e;hb=173dd870810c8b85baa31f9a272d15f96a8f9ff4;hpb=cf94c7485f7b40ff7870b5bf9a65e7ab87481a76 diff --git a/ncurses/tinfo/lib_setup.c b/ncurses/tinfo/lib_setup.c index 0b8aeba5..eb0bffb1 100644 --- a/ncurses/tinfo/lib_setup.c +++ b/ncurses/tinfo/lib_setup.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc. * + * Copyright (c) 1998-2011,2012 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 * @@ -37,21 +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 */ -#if SVR4_TERMIO && !defined(_POSIX_SOURCE) -#define _POSIX_SOURCE -#endif - #if HAVE_LOCALE_H #include #endif -MODULE_ID("$Id: lib_setup.c,v 1.128 2010/04/03 13:54:45 tom Exp $") +MODULE_ID("$Id: lib_setup.c,v 1.148 2012/07/21 18:05:41 tom Exp $") /**************************************************************************** * @@ -225,6 +222,7 @@ NCURSES_SP_NAME(use_env) (NCURSES_SP_DCLx bool f) { 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; } @@ -234,14 +232,39 @@ NCURSES_SP_NAME(use_env) (NCURSES_SP_DCLx bool f) 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; +} + #if NCURSES_SP_FUNCS NCURSES_EXPORT(void) use_env(bool 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) @@ -281,7 +304,7 @@ _nc_get_screensize(SCREEN *sp, *linep = (int) lines; *colp = (int) columns; - if (_nc_prescreen.use_env) { + if (_nc_prescreen.use_env || _nc_prescreen.use_tioctl) { int value; #ifdef __EMX__ @@ -289,7 +312,9 @@ _nc_get_screensize(SCREEN *sp, 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)); } @@ -315,19 +340,33 @@ _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 (_nc_prescreen.use_env) { + if (_nc_prescreen.use_tioctl) { + /* + * 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 */ @@ -401,8 +440,11 @@ _nc_update_screensize(SCREEN *sp) */ if (sp != 0 && sp->_resize != 0) { - if ((new_lines != old_lines) || (new_cols != old_cols)) + 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; } } @@ -414,30 +456,13 @@ _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);\ - } - -#ifndef USE_TERM_DRIVER #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) +int +_nc_setup_tinfo(const char *const tn, TERMTYPE *const tp) { char filename[PATH_MAX]; int status = _nc_read_entry(tn, filename, tp); @@ -462,14 +487,13 @@ grab_entry(const char *const tn, TERMTYPE *const tp) return (status); } #endif -#endif /* !USE_TERM_DRIVER */ /* ** Take the real command character out of the CC environment variable ** 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; @@ -483,8 +507,8 @@ _nc_tinfo_cmdch(TERMINAL * termp, char proto) if ((tmp = getenv("CC")) != 0 && strlen(tmp) == 1) { CC = *tmp; for_each_string(i, &(termp->type)) { - for (tmp = termp->type.Strings[i]; *tmp; tmp++) { - if (*tmp == proto) + for (tmp = termp->type.Strings[i]; tmp && *tmp; tmp++) { + if (UChar(*tmp) == proto) *tmp = CC; } } @@ -548,25 +572,31 @@ _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; } NCURSES_EXPORT(int) @@ -574,7 +604,7 @@ 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; @@ -589,7 +619,7 @@ TINFO_SETUP_TERM(TERMINAL ** tp, #ifdef USE_TERM_DRIVER T((T_CALLED("_nc_setupterm_ex(%p,%s,%d,%p)"), - tp, _nc_visbuf(tname), Filedes, errret)); + (void *) tp, _nc_visbuf(tname), Filedes, (void *) errret)); if (tp == 0) { ret_error0(TGETENT_ERR, @@ -658,10 +688,11 @@ TINFO_SETUP_TERM(TERMINAL ** tp, "Not enough memory to create terminal structure.\n"); } #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 = Filedes; + termp->Filedes = (short) Filedes; termp->_termname = strdup(tname); } else { ret_error0(TGETENT_ERR, @@ -669,7 +700,7 @@ TINFO_SETUP_TERM(TERMINAL ** tp, } #else #if USE_DATABASE || USE_TERMCAP - status = grab_entry(tname, &termp->type); + status = _nc_setup_tinfo(tname, &termp->type); #else status = TGETENT_NO; #endif @@ -679,7 +710,7 @@ TINFO_SETUP_TERM(TERMINAL ** tp, const TERMTYPE *fallback = _nc_fallback(tname); if (fallback) { - termp->type = *fallback; + _nc_copy_termtype(&(termp->type), fallback); status = TGETENT_YES; } } @@ -689,21 +720,21 @@ TINFO_SETUP_TERM(TERMINAL ** tp, 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) - _nc_tinfo_cmdch(termp, *command_character); + _nc_tinfo_cmdch(termp, UChar(*command_character)); /* * If an application calls setupterm() rather than initscr() or @@ -737,10 +768,19 @@ TINFO_SETUP_TERM(TERMINAL ** tp, #ifndef USE_TERM_DRIVER 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); + /* + * 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 { + 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); } #endif returnCode(code); @@ -793,7 +833,7 @@ NCURSES_EXPORT(int) _nc_setupterm(NCURSES_CONST char *tname, int Filedes, int *errret, - bool reuse) + int reuse) { int res; TERMINAL *termp;