X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftinfo%2Flib_setup.c;h=992b8c7110a8d70ff6fbc80fe4f92c1d85849040;hp=891a1012c0180a9ac141df6122185904eba23c58;hb=cecf06633520e80b392644f66fe362009583fedb;hpb=3a0d9d27e0cf115ff9dcc6163c251bccaa62bd7d diff --git a/ncurses/tinfo/lib_setup.c b/ncurses/tinfo/lib_setup.c index 891a1012..992b8c71 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) 1998-2010,2011 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 * @@ -42,17 +42,12 @@ #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 1.120 2009/10/24 21:56:15 tom Exp $") +MODULE_ID("$Id: lib_setup.c,v 1.136 2011/04/16 15:32:45 tom Exp $") /**************************************************************************** * @@ -268,6 +263,7 @@ _nc_get_screensize(SCREEN *sp, sp->_TABSIZE = my_tabsize; } #else + (void) sp; TABSIZE = my_tabsize; #endif T(("TABSIZE = %d", my_tabsize)); @@ -278,25 +274,14 @@ _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) { + int value; #ifdef __EMX__ - if (*linep <= 0 || *colp <= 0) { + { int screendata[2]; _scrsize(screendata); *colp = screendata[0]; @@ -306,33 +291,41 @@ _nc_get_screensize(SCREEN *sp, } #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) + /* 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); - } - /* FALLTHRU */ - failure:; + T(("SYS screen size: environment LINES = %d COLUMNS = %d", + *linep, *colp)); + break; + } + } while + (errno == EINTR); } #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 we can't get dynamic info about the size, use static */ if (*linep <= 0) { *linep = (int) lines; @@ -433,14 +426,13 @@ _nc_update_screensize(SCREEN *sp) 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); @@ -467,33 +459,31 @@ 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, char 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++) { + if (*tmp == proto) + *tmp = CC; } } } } -#endif /* !USE_TERM_DRIVER */ /* * Find the locale which is in effect. @@ -552,25 +542,31 @@ _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 ((env = 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) @@ -593,7 +589,7 @@ 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, @@ -662,10 +658,11 @@ 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, @@ -673,7 +670,7 @@ 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 @@ -701,13 +698,13 @@ TINFO_SETUP_TERM(TERMINAL ** tp, 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, *command_character); /* * If an application calls setupterm() rather than initscr() or @@ -750,6 +747,44 @@ TINFO_SETUP_TERM(TERMINAL ** tp, 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