X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_screen.c;h=7404caacf490580a7ce9a22fc8e362f86e62c896;hp=e6aecbdaab4782c90742331b1ca3a2c9b3277f9f;hb=d1a026123ac051716cdc16278345c1fb5c843b79;hpb=0be808514502f3149b379d036ab3a83cbb4d4c02 diff --git a/ncurses/base/lib_screen.c b/ncurses/base/lib_screen.c index e6aecbda..7404caac 100644 --- a/ncurses/base/lib_screen.c +++ b/ncurses/base/lib_screen.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc. * + * Copyright (c) 1998-2009,2011 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 * @@ -29,30 +29,49 @@ /**************************************************************************** * Author: Zeyd M. Ben-Halim 1992,1995 * * and: Eric S. Raymond * - * and: Thomas E. Dickey 1996 on * + * and: Thomas E. Dickey 1996 on * + * and: Juergen Pfeifer 2009 * ****************************************************************************/ #include -MODULE_ID("$Id: lib_screen.c,v 1.30 2007/03/10 23:20:41 tom Exp $") +#ifndef CUR +#define CUR SP_TERMTYPE +#endif + +MODULE_ID("$Id: lib_screen.c,v 1.40 2011/05/28 23:03:44 tom Exp $") + +#define MAX_SIZE 0x3fff /* 16k is big enough for a window or pad */ NCURSES_EXPORT(WINDOW *) -getwin(FILE *filep) +NCURSES_SP_NAME(getwin) (NCURSES_SP_DCLx FILE *filep) { WINDOW tmp, *nwin; int n; - T((T_CALLED("getwin(%p)"), filep)); + T((T_CALLED("getwin(%p)"), (void *) filep)); + if (filep == 0) { + returnWin(0); + } clearerr(filep); - (void) fread(&tmp, sizeof(WINDOW), 1, filep); - if (ferror(filep)) + if (fread(&tmp, 1, sizeof(WINDOW), filep) < sizeof(WINDOW) + || ferror(filep) + || tmp._maxy == 0 + || tmp._maxy > MAX_SIZE + || tmp._maxx == 0 + || tmp._maxx > MAX_SIZE) { returnWin(0); + } if (tmp._flags & _ISPAD) { - nwin = newpad(tmp._maxy + 1, tmp._maxx + 1); + nwin = NCURSES_SP_NAME(newpad) (NCURSES_SP_ARGx + tmp._maxy + 1, + tmp._maxx + 1); } else { - nwin = newwin(tmp._maxy + 1, tmp._maxx + 1, 0, 0); + nwin = NCURSES_SP_NAME(newwin) (NCURSES_SP_ARGx + tmp._maxy + 1, + tmp._maxx + 1, 0, 0); } /* @@ -61,6 +80,8 @@ getwin(FILE *filep) * made sense is probably gone. */ if (nwin != 0) { + size_t linesize = sizeof(NCURSES_CH_T) * (size_t) (tmp._maxx + 1); + nwin->_curx = tmp._curx; nwin->_cury = tmp._cury; nwin->_maxy = tmp._maxy; @@ -92,11 +113,8 @@ getwin(FILE *filep) for (n = 0; n <= nwin->_maxy; n++) { clearerr(filep); - (void) fread(nwin->_line[n].text, - sizeof(NCURSES_CH_T), - (size_t) (nwin->_maxx + 1), - filep); - if (ferror(filep)) { + if (fread(nwin->_line[n].text, 1, linesize, filep) < linesize + || ferror(filep)) { delwin(nwin); returnWin(0); } @@ -106,16 +124,24 @@ getwin(FILE *filep) returnWin(nwin); } +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(WINDOW *) +getwin(FILE *filep) +{ + return NCURSES_SP_NAME(getwin) (CURRENT_SCREEN, filep); +} +#endif + NCURSES_EXPORT(int) putwin(WINDOW *win, FILE *filep) { int code = ERR; int n; - T((T_CALLED("putwin(%p,%p)"), win, filep)); + T((T_CALLED("putwin(%p,%p)"), (void *) win, (void *) filep)); if (win != 0) { - size_t len = (win->_maxx + 1); + size_t len = (size_t) (win->_maxx + 1); clearerr(filep); if (fwrite(win, sizeof(WINDOW), 1, filep) != 1 @@ -135,80 +161,111 @@ putwin(WINDOW *win, FILE *filep) } NCURSES_EXPORT(int) -scr_restore(const char *file) +NCURSES_SP_NAME(scr_restore) (NCURSES_SP_DCLx const char *file) { FILE *fp = 0; - T((T_CALLED("scr_restore(%s)"), _nc_visbuf(file))); + T((T_CALLED("scr_restore(%p,%s)"), (void *) SP_PARM, _nc_visbuf(file))); if (_nc_access(file, R_OK) < 0 || (fp = fopen(file, "rb")) == 0) { returnCode(ERR); } else { - delwin(newscr); - SP->_newscr = getwin(fp); + delwin(NewScreen(SP_PARM)); + NewScreen(SP_PARM) = getwin(fp); #if !USE_REENTRANT - newscr = SP->_newscr; + newscr = NewScreen(SP_PARM); #endif (void) fclose(fp); returnCode(OK); } } +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(int) +scr_restore(const char *file) +{ + return NCURSES_SP_NAME(scr_restore) (CURRENT_SCREEN, file); +} +#endif + NCURSES_EXPORT(int) scr_dump(const char *file) { + int result; FILE *fp = 0; T((T_CALLED("scr_dump(%s)"), _nc_visbuf(file))); if (_nc_access(file, W_OK) < 0 || (fp = fopen(file, "wb")) == 0) { - returnCode(ERR); + result = ERR; } else { (void) putwin(newscr, fp); (void) fclose(fp); - returnCode(OK); + result = OK; } + returnCode(result); } NCURSES_EXPORT(int) -scr_init(const char *file) +NCURSES_SP_NAME(scr_init) (NCURSES_SP_DCLx const char *file) { FILE *fp = 0; + int code = ERR; - T((T_CALLED("scr_init(%s)"), _nc_visbuf(file))); - - if (exit_ca_mode && non_rev_rmcup) - returnCode(ERR); + T((T_CALLED("scr_init(%p,%s)"), (void *) SP_PARM, _nc_visbuf(file))); - if (_nc_access(file, R_OK) < 0 - || (fp = fopen(file, "rb")) == 0) { - returnCode(ERR); - } else { - delwin(curscr); - SP->_curscr = getwin(fp); + if (SP_PARM != 0 && +#ifdef USE_TERM_DRIVER + InfoOf(SP_PARM).caninit +#else + !(exit_ca_mode && non_rev_rmcup) +#endif + ) { + if (_nc_access(file, R_OK) >= 0 + && (fp = fopen(file, "rb")) != 0) { + delwin(CurScreen(SP_PARM)); + CurScreen(SP_PARM) = getwin(fp); #if !USE_REENTRANT - curscr = SP->_curscr; + curscr = CurScreen(SP_PARM); #endif - (void) fclose(fp); - returnCode(OK); + (void) fclose(fp); + code = OK; + } } + returnCode(code); } +#if NCURSES_SP_FUNCS NCURSES_EXPORT(int) -scr_set(const char *file) +scr_init(const char *file) +{ + return NCURSES_SP_NAME(scr_init) (CURRENT_SCREEN, file); +} +#endif + +NCURSES_EXPORT(int) +NCURSES_SP_NAME(scr_set) (NCURSES_SP_DCLx const char *file) { - T((T_CALLED("scr_set(%s)"), _nc_visbuf(file))); + T((T_CALLED("scr_set(%p,%s)"), (void *) SP_PARM, _nc_visbuf(file))); - if (scr_init(file) == ERR) { + if (NCURSES_SP_NAME(scr_init) (NCURSES_SP_ARGx file) == ERR) { returnCode(ERR); } else { - delwin(newscr); - SP->_newscr = dupwin(curscr); + delwin(NewScreen(SP_PARM)); + NewScreen(SP_PARM) = dupwin(curscr); #if !USE_REENTRANT - newscr = SP->_newscr; + newscr = NewScreen(SP_PARM); #endif returnCode(OK); } } + +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(int) +scr_set(const char *file) +{ + return NCURSES_SP_NAME(scr_set) (CURRENT_SCREEN, file); +} +#endif