X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_initscr.c;h=c1851b04b703e56815dbb33ba710cd55af417bc0;hp=d8ac5c6ce3f3023cbb323ec01ea6583ce683cd40;hb=3eda6f30a84d53844d2ebceadb457e2e7e9cfbf3;hpb=a8987e73ec254703634802b4f7ee30d3a485524d diff --git a/ncurses/base/lib_initscr.c b/ncurses/base/lib_initscr.c index d8ac5c6c..c1851b04 100644 --- a/ncurses/base/lib_initscr.c +++ b/ncurses/base/lib_initscr.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998-2002,2003 Free Software Foundation, Inc. * + * Copyright (c) 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 * @@ -45,24 +45,30 @@ #include /* needed for ISC */ #endif -MODULE_ID("$Id: lib_initscr.c,v 1.33 2003/12/27 19:13:51 tom Exp $") +MODULE_ID("$Id: lib_initscr.c,v 1.42 2017/03/28 21:14:01 tom Exp $") NCURSES_EXPORT(WINDOW *) initscr(void) { - static bool initialized = FALSE; - NCURSES_CONST char *name; - int value; + WINDOW *result; START_TRACE(); T((T_CALLED("initscr()"))); + + _nc_init_pthreads(); + _nc_lock_global(curses); + /* Portable applications must not call initscr() more than once */ - if (!initialized) { - initialized = TRUE; + if (!_nc_globals.init_screen) { + NCURSES_CONST char *name; + + _nc_globals.init_screen = TRUE; if ((name = getenv("TERM")) == 0 - || *name == '\0') - name = "unknown"; + || *name == '\0') { + static char unknown_name[] = "unknown"; + name = unknown_name; + } #ifdef __CYGWIN__ /* * 2002/9/21 @@ -71,9 +77,9 @@ initscr(void) * core when attempting to write to stdout. Opening /dev/tty * explicitly seems to fix the problem. */ - if (isatty(fileno(stdout))) { + if (NC_ISATTY(fileno(stdout))) { FILE *fp = fopen("/dev/tty", "w"); - if (fp != 0 && isatty(fileno(fp))) { + if (fp != 0 && NC_ISATTY(fileno(fp))) { fclose(stdout); dup2(fileno(fp), STDOUT_FILENO); stdout = fdopen(STDOUT_FILENO, "w"); @@ -85,13 +91,15 @@ initscr(void) exit(EXIT_FAILURE); } - /* allow user to set maximum escape delay from the environment */ - if ((value = _nc_getenv_num("ESCDELAY")) >= 0) { - ESCDELAY = value; - } - /* def_shell_mode - done in newterm/_nc_setupscreen */ +#if NCURSES_SP_FUNCS + NCURSES_SP_NAME(def_prog_mode) (CURRENT_SCREEN); +#else def_prog_mode(); +#endif } - returnWin(stdscr); + result = stdscr; + _nc_unlock_global(curses); + + returnWin(result); }