X-Git-Url: https://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=ncurses%2Fbase%2Flib_initscr.c;h=2ace0924a0ea8ea0d68b37f3c3f46b6fdaeeb7de;hb=fbd79f88d0de057053bd9658499f4e87c10ff2f4;hp=6fc2fb0a00719786247874202abdf9064d29dc0b;hpb=1078c0231b8a58fbd2dd56b6e0a81b19d6b07f77;p=ncurses.git diff --git a/ncurses/base/lib_initscr.c b/ncurses/base/lib_initscr.c index 6fc2fb0a..2ace0924 100644 --- a/ncurses/base/lib_initscr.c +++ b/ncurses/base/lib_initscr.c @@ -1,5 +1,6 @@ /**************************************************************************** - * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc. * + * Copyright 2019,2020 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 * @@ -29,7 +30,7 @@ /**************************************************************************** * Author: Zeyd M. Ben-Halim 1992,1995 * * and: Eric S. Raymond * - * and: Thomas E. Dickey 1996-2003 * + * and: Thomas E. Dickey 1996-on * ****************************************************************************/ /* @@ -45,26 +46,34 @@ #include /* needed for ISC */ #endif -MODULE_ID("$Id: lib_initscr.c,v 1.37 2008/06/07 14:00:12 tom Exp $") +MODULE_ID("$Id: lib_initscr.c,v 1.45 2020/02/02 23:34:34 tom Exp $") NCURSES_EXPORT(WINDOW *) initscr(void) { WINDOW *result; - NCURSES_CONST char *name; - START_TRACE(); T((T_CALLED("initscr()"))); + _nc_init_pthreads(); _nc_lock_global(curses); + /* Portable applications must not call initscr() more than once */ if (!_nc_globals.init_screen) { + const char *env; + char *name; + _nc_globals.init_screen = TRUE; - if ((name = getenv("TERM")) == 0 - || *name == '\0') - name = "unknown"; + if ((env = getenv("TERM")) == 0 + || *env == '\0') { + env = "unknown"; + } + if ((name = strdup(env)) == NULL) { + fprintf(stderr, "Error opening allocating $TERM.\n"); + ExitProgram(EXIT_FAILURE); + } #ifdef __CYGWIN__ /* * 2002/9/21 @@ -73,9 +82,9 @@ 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"); @@ -84,11 +93,16 @@ initscr(void) #endif if (newterm(name, stdout, stdin) == 0) { fprintf(stderr, "Error opening terminal: %s.\n", name); - exit(EXIT_FAILURE); + ExitProgram(EXIT_FAILURE); } /* 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 + free(name); } result = stdscr; _nc_unlock_global(curses);