X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_set_term.c;h=b900a68e320805e49bda1db8d1c92e61a990368c;hp=df0a276aef8a3a61f749226e5eb7216244b5b43d;hb=790a85dbd4a81d5f5d8dd02a44d84f01512ef443;hpb=f79b52fddd95c7a6f1ead29ef9c39eb8cdf60795 diff --git a/ncurses/base/lib_set_term.c b/ncurses/base/lib_set_term.c index df0a276a..b900a68e 100644 --- a/ncurses/base/lib_set_term.c +++ b/ncurses/base/lib_set_term.c @@ -1,5 +1,6 @@ /**************************************************************************** - * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc. * + * Copyright 2018,2020 Thomas E. Dickey * + * Copyright 1998-2016,2017 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 * @@ -43,11 +44,10 @@ #include #include -#ifndef CUR +#undef CUR #define CUR SP_TERMTYPE -#endif -MODULE_ID("$Id: lib_set_term.c,v 1.138 2010/12/20 00:42:20 tom Exp $") +MODULE_ID("$Id: lib_set_term.c,v 1.171 2020/05/23 19:13:12 tom Exp $") #ifdef USE_TERM_DRIVER #define MaxColors InfoOf(sp).maxcolors @@ -134,7 +134,6 @@ delink_screen(SCREEN *sp) NCURSES_EXPORT(void) delscreen(SCREEN *sp) { - int i; T((T_CALLED("delscreen(%p)"), (void *) sp)); @@ -159,7 +158,10 @@ delscreen(SCREEN *sp) (void) _nc_freewin(StdScreen(sp)); if (sp->_slk != 0) { + if (sp->_slk->ent != 0) { + int i; + for (i = 0; i < sp->_slk->labcnt; ++i) { FreeIfNeeded(sp->_slk->ent[i].ent_text); FreeIfNeeded(sp->_slk->ent[i].form_text); @@ -181,6 +183,7 @@ delscreen(SCREEN *sp) FreeIfNeeded(sp->_color_table); FreeIfNeeded(sp->_color_pairs); + FreeIfNeeded(sp->_oldnum_list); FreeIfNeeded(sp->oldhash); FreeIfNeeded(sp->newhash); FreeIfNeeded(sp->hashtab); @@ -188,19 +191,12 @@ delscreen(SCREEN *sp) FreeIfNeeded(sp->_acs_map); FreeIfNeeded(sp->_screen_acs_map); - /* - * If the associated output stream has been closed, we can discard the - * set-buffer. Limit the error check to EBADF, since fflush may fail - * for other reasons than trying to operate upon a closed stream. - */ - if (sp->_ofp != 0 - && sp->_setbuf != 0 - && fflush(sp->_ofp) != 0 - && errno == EBADF) { - free(sp->_setbuf); - } - + NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG); NCURSES_SP_NAME(del_curterm) (NCURSES_SP_ARGx sp->_term); + FreeIfNeeded(sp->out_buffer); + if (_nc_find_prescr() == sp) { + _nc_forget_prescr(); + } free(sp); /* @@ -217,6 +213,12 @@ delscreen(SCREEN *sp) COLOR_PAIRS = 0; #endif _nc_set_screen(0); +#if USE_WIDEC_SUPPORT + if (SP == 0) { + FreeIfNeeded(_nc_wacs); + _nc_wacs = 0; + } +#endif } } _nc_unlock_global(curses); @@ -253,16 +255,17 @@ no_mouse_wrap(SCREEN *sp GCC_UNUSED) } #if NCURSES_EXT_FUNCS && USE_COLORFGBG -static char * -extract_fgbg(char *src, int *result) +static const char * +extract_fgbg(const char *src, int *result) { - char *dst = 0; - long value = strtol(src, &dst, 0); + const char *dst = 0; + char *tmp = 0; + long value = strtol(src, &tmp, 0); - if (dst == 0) { + if ((dst = tmp) == 0) { dst = src; } else if (value >= 0) { - *result = value; + *result = (int) value; } while (*dst != 0 && *dst != ';') dst++; @@ -272,8 +275,8 @@ extract_fgbg(char *src, int *result) } #endif -#define ReturnScreenError() _nc_set_screen(0); \ - returnCode(ERR) +#define ReturnScreenError() do { _nc_set_screen(0); \ + returnCode(ERR); } while (0) /* OS-independent screen initializations */ NCURSES_EXPORT(int) @@ -284,12 +287,14 @@ NCURSES_SP_NAME(_nc_setupscreen) ( int slines, int scolumns, FILE *output, - bool filtered, + int filtered, int slk_format) { +#ifndef USE_TERM_DRIVER + static const TTY null_TTY; /* all zeros iff uninitialized */ +#endif char *env; int bottom_stolen = 0; - ripoff_t *rop; SCREEN *sp; #ifndef USE_TERM_DRIVER bool support_cookies = USE_XMC_SUPPORT; @@ -306,6 +311,7 @@ NCURSES_SP_NAME(_nc_setupscreen) ( if (!sp) { sp = _nc_alloc_screen_sp(); + T(("_nc_alloc_screen_sp %p", (void *) sp)); *spp = sp; } if (!sp @@ -334,8 +340,9 @@ NCURSES_SP_NAME(_nc_setupscreen) ( sp->_next_screen = _nc_screen_chain; _nc_screen_chain = sp; - if ((sp->_current_attr = typeCalloc(NCURSES_CH_T, 1)) == 0) + if ((sp->_current_attr = typeCalloc(NCURSES_CH_T, 1)) == 0) { returnCode(ERR); + } #endif /* @@ -362,15 +369,21 @@ NCURSES_SP_NAME(_nc_setupscreen) ( slines = 1; SET_LINES(slines); #ifdef USE_TERM_DRIVER - CallDriver(sp, setfilter); + CallDriver(sp, td_setfilter); #else - clear_screen = 0; - cursor_down = parm_down_cursor = 0; - cursor_address = 0; - cursor_up = parm_up_cursor = 0; - row_address = 0; + /* *INDENT-EQLS* */ + clear_screen = ABSENT_STRING; + cursor_address = ABSENT_STRING; + cursor_down = ABSENT_STRING; + cursor_up = ABSENT_STRING; + parm_down_cursor = ABSENT_STRING; + parm_up_cursor = ABSENT_STRING; + row_address = ABSENT_STRING; + cursor_home = carriage_return; + + if (back_color_erase) + clr_eos = ABSENT_STRING; - cursor_home = carriage_return; #endif T(("filter screensize %dx%d", slines, scolumns)); } @@ -383,7 +396,15 @@ NCURSES_SP_NAME(_nc_setupscreen) ( sp->_lines = (NCURSES_SIZE_T) slines; sp->_lines_avail = (NCURSES_SIZE_T) slines; sp->_columns = (NCURSES_SIZE_T) scolumns; + + fflush(output); + sp->_ofd = output ? fileno(output) : -1; sp->_ofp = output; + sp->out_limit = (size_t) ((2 + slines) * (6 + scolumns)); + if ((sp->out_buffer = malloc(sp->out_limit)) == 0) + sp->out_limit = 0; + sp->out_inuse = 0; + SP_PRE_INIT(sp); SetNoPadding(sp); @@ -414,8 +435,8 @@ NCURSES_SP_NAME(_nc_setupscreen) ( sp->_default_fg = COLOR_WHITE; sp->_default_bg = COLOR_BLACK; #else - sp->_default_fg = C_MASK; - sp->_default_bg = C_MASK; + sp->_default_fg = COLOR_DEFAULT; + sp->_default_bg = COLOR_DEFAULT; #endif /* @@ -427,9 +448,9 @@ NCURSES_SP_NAME(_nc_setupscreen) ( char sep1, sep2; int count = sscanf(env, "%d%c%d%c", &fg, &sep1, &bg, &sep2); if (count >= 1) { - sp->_default_fg = ((fg >= 0 && fg < MaxColors) ? fg : C_MASK); + sp->_default_fg = ((fg >= 0 && fg < MaxColors) ? fg : COLOR_DEFAULT); if (count >= 3) { - sp->_default_bg = ((bg >= 0 && bg < MaxColors) ? bg : C_MASK); + sp->_default_bg = ((bg >= 0 && bg < MaxColors) ? bg : COLOR_DEFAULT); } TR(TRACE_CHARPUT | TRACE_MOVE, ("from environment assumed fg=%d, bg=%d", @@ -445,7 +466,7 @@ NCURSES_SP_NAME(_nc_setupscreen) ( * decide later if it is worth having default attributes as well. */ if (getenv("COLORFGBG") != 0) { - char *p = getenv("COLORFGBG"); + const char *p = getenv("COLORFGBG"); TR(TRACE_CHARPUT | TRACE_MOVE, ("decoding COLORFGBG %s", p)); p = extract_fgbg(p, &(sp->_default_fg)); p = extract_fgbg(p, &(sp->_default_bg)); @@ -456,7 +477,7 @@ NCURSES_SP_NAME(_nc_setupscreen) ( if (sp->_default_fg >= MaxColors) { if (set_a_foreground != ABSENT_STRING && !strcmp(set_a_foreground, "\033[3%p1%dm")) { - set_a_foreground = "\033[3%?%p1%{8}%>%t9%e%p1%d%;m"; + set_a_foreground = strdup("\033[3%?%p1%{8}%>%t9%e%p1%d%;m"); } else { sp->_default_fg %= MaxColors; } @@ -464,7 +485,7 @@ NCURSES_SP_NAME(_nc_setupscreen) ( if (sp->_default_bg >= MaxColors) { if (set_a_background != ABSENT_STRING && !strcmp(set_a_background, "\033[4%p1%dm")) { - set_a_background = "\033[4%?%p1%{8}%>%t9%e%p1%d%;m"; + set_a_background = strdup("\033[4%?%p1%{8}%>%t9%e%p1%d%;m"); } else { sp->_default_bg %= MaxColors; } @@ -510,16 +531,7 @@ NCURSES_SP_NAME(_nc_setupscreen) ( if (magic_cookie_glitch > 0) { /* tvi, wyse */ - sp->_xmc_triggers = sp->_ok_attributes & ( - A_STANDOUT | - A_UNDERLINE | - A_REVERSE | - A_BLINK | - A_DIM | - A_BOLD | - A_INVIS | - A_PROTECT - ); + sp->_xmc_triggers = sp->_ok_attributes & XMC_CONFLICT; #if 0 /* * We "should" treat colors as an attribute. The wyse350 (and its @@ -584,9 +596,15 @@ NCURSES_SP_NAME(_nc_setupscreen) ( NCURSES_SP_NAME(_nc_init_acs) (NCURSES_SP_ARG); #if USE_WIDEC_SUPPORT - _nc_init_wacs(); + sp->_screen_unicode = _nc_unicode_locale(); + if (_nc_wacs == 0) { + _nc_init_wacs(); + } + if (_nc_wacs == 0) { + ReturnScreenError(); + } - sp->_screen_acs_fix = (_nc_unicode_locale() + sp->_screen_acs_fix = (sp->_screen_unicode && _nc_locale_breaks_acs(sp->_term)); #endif env = _nc_get_locale(); @@ -619,15 +637,28 @@ NCURSES_SP_NAME(_nc_setupscreen) ( #endif #if USE_SIZECHANGE sp->_resize = NCURSES_SP_NAME(resizeterm); + sp->_ungetch = safe_ungetch; #endif NewScreen(sp)->_clear = TRUE; CurScreen(sp)->_clear = FALSE; - NCURSES_SP_NAME(def_shell_mode) (NCURSES_SP_ARG); - NCURSES_SP_NAME(def_prog_mode) (NCURSES_SP_ARG); + /* + * Get the current tty-modes. setupterm() may already have done this, + * unless we use the term-driver. + */ +#ifndef USE_TERM_DRIVER + if (cur_term != 0 && + !memcmp(&cur_term->Ottyb, &null_TTY, sizeof(TTY))) +#endif + { + NCURSES_SP_NAME(def_shell_mode) (NCURSES_SP_ARG); + NCURSES_SP_NAME(def_prog_mode) (NCURSES_SP_ARG); + } if (safe_ripoff_sp && safe_ripoff_sp != safe_ripoff_stack) { + ripoff_t *rop; + for (rop = safe_ripoff_stack; rop != safe_ripoff_sp && (rop - safe_ripoff_stack) < N_RIPS; rop++) { @@ -695,7 +726,7 @@ NCURSES_EXPORT(int) _nc_setupscreen(int slines GCC_UNUSED, int scolumns GCC_UNUSED, FILE *output, - bool filtered, + int filtered, int slk_format) { SCREEN *sp = 0; @@ -721,9 +752,12 @@ NCURSES_SP_NAME(_nc_ripoffline) (NCURSES_SP_DCLx int (*init) (WINDOW *, int)) { int code = ERR; + TR_FUNC_BFR(1); START_TRACE(); - T((T_CALLED("ripoffline(%p,%d,%p)"), (void *) SP_PARM, line, init)); + T((T_CALLED("ripoffline(%p,%d,%s)"), + (void *) SP_PARM, line, + TR_FUNC_ARG(0, init))); #if NCURSES_SP_FUNCS if (SP_PARM != 0 && SP_PARM->_prescreen) @@ -732,12 +766,15 @@ NCURSES_SP_NAME(_nc_ripoffline) (NCURSES_SP_DCLx if (line == 0) { code = OK; } else { - if (safe_ripoff_sp == 0) + if (safe_ripoff_sp == 0) { safe_ripoff_sp = safe_ripoff_stack; + } if (safe_ripoff_sp < safe_ripoff_stack + N_RIPS) { safe_ripoff_sp->line = line; safe_ripoff_sp->hook = init; (safe_ripoff_sp)++; + T(("ripped-off %d:%d chunks", + (int) (safe_ripoff_sp - safe_ripoff_stack), N_RIPS)); code = OK; } } @@ -750,7 +787,12 @@ NCURSES_SP_NAME(_nc_ripoffline) (NCURSES_SP_DCLx NCURSES_EXPORT(int) _nc_ripoffline(int line, int (*init) (WINDOW *, int)) { - return NCURSES_SP_NAME(_nc_ripoffline) (CURRENT_SCREEN_PRE, line, init); + int rc; + _nc_lock_global(prescreen); + START_TRACE(); + rc = NCURSES_SP_NAME(_nc_ripoffline) (CURRENT_SCREEN_PRE, line, init); + _nc_unlock_global(prescreen); + return rc; } #endif @@ -759,6 +801,7 @@ NCURSES_SP_NAME(ripoffline) (NCURSES_SP_DCLx int line, int (*init) (WINDOW *, int)) { + START_TRACE(); return NCURSES_SP_NAME(_nc_ripoffline) (NCURSES_SP_ARGx (line < 0) ? -1 : 1, init); @@ -768,6 +811,11 @@ NCURSES_SP_NAME(ripoffline) (NCURSES_SP_DCLx NCURSES_EXPORT(int) ripoffline(int line, int (*init) (WINDOW *, int)) { - return NCURSES_SP_NAME(ripoffline) (CURRENT_SCREEN_PRE, line, init); + int rc; + _nc_lock_global(prescreen); + START_TRACE(); + rc = NCURSES_SP_NAME(ripoffline) (CURRENT_SCREEN_PRE, line, init); + _nc_unlock_global(prescreen); + return rc; } #endif