X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftinfo%2Flib_setup.c;h=eb0bffb1654a6c0dc0325469d674f197cac63615;hp=d00ecb0ab567dcc2aef0c022e9e3a1354e7dae85;hb=173dd870810c8b85baa31f9a272d15f96a8f9ff4;hpb=fb24ca09eab8f14b9be7ea60acf174aae46df43d diff --git a/ncurses/tinfo/lib_setup.c b/ncurses/tinfo/lib_setup.c index d00ecb0a..eb0bffb1 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) 1998-2011,2012 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 * @@ -37,22 +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 -MODULE_ID("$Id: lib_setup.c,v 1.123 2009/10/31 20:39:36 tom Exp $") +MODULE_ID("$Id: lib_setup.c,v 1.148 2012/07/21 18:05:41 tom Exp $") /**************************************************************************** * @@ -226,6 +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; } @@ -235,14 +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) @@ -268,6 +290,7 @@ _nc_get_screensize(SCREEN *sp, sp->_TABSIZE = my_tabsize; } #else + (void) sp; TABSIZE = my_tabsize; #endif T(("TABSIZE = %d", my_tabsize)); @@ -278,60 +301,73 @@ _nc_get_screensize(SCREEN *sp, /* 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; + *linep = (int) lines; + *colp = (int) columns; - /* 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) { @@ -404,8 +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; } } @@ -417,30 +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); @@ -465,14 +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; @@ -486,8 +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; } } @@ -551,25 +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) @@ -577,7 +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; @@ -592,7 +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, @@ -661,10 +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_get_driver(TCB, tname, errret); + 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, @@ -672,7 +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 @@ -682,7 +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; } } @@ -692,21 +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 @@ -740,15 +768,62 @@ 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); } +#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 + } + } + returnSP(sp); +} +#endif + #ifdef USE_TERM_DRIVER /* * This entrypoint is called from tgetent() to allow a special case of reusing @@ -758,7 +833,7 @@ NCURSES_EXPORT(int) _nc_setupterm(NCURSES_CONST char *tname, int Filedes, int *errret, - bool reuse) + int reuse) { int res; TERMINAL *termp;