diff options
Diffstat (limited to 'ncurses-5.3/ncurses/base/lib_initscr.c')
| -rw-r--r-- | ncurses-5.3/ncurses/base/lib_initscr.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/ncurses-5.3/ncurses/base/lib_initscr.c b/ncurses-5.3/ncurses/base/lib_initscr.c new file mode 100644 index 0000000..acb182d --- /dev/null +++ b/ncurses-5.3/ncurses/base/lib_initscr.c @@ -0,0 +1,97 @@ +/**************************************************************************** + * Copyright (c) 1998-2001,2002 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 * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * The above copyright notice and this permission notice shall be included * + * in all copies or substantial portions of the Software. * + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/**************************************************************************** + * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * + * and: Eric S. Raymond <esr@snark.thyrsus.com> * + ****************************************************************************/ + +/* +** lib_initscr.c +** +** The routines initscr(), and termname(). +** +*/ + +#include <curses.priv.h> +#include <tic.h> /* for MAX_ALIAS */ + +#if HAVE_SYS_TERMIO_H +#include <sys/termio.h> /* needed for ISC */ +#endif + +MODULE_ID("$Id$") + +NCURSES_EXPORT(WINDOW *) +initscr(void) +{ + static bool initialized = FALSE; + NCURSES_CONST char *name; + int value; + + START_TRACE(); + T((T_CALLED("initscr()"))); + /* Portable applications must not call initscr() more than once */ + if (!initialized) { + initialized = TRUE; + + if ((name = getenv("TERM")) == 0 + || *name == '\0') + name = "unknown"; +#ifdef __CYGWIN__ + /* + * 2002/9/21 + * Work around a bug in Cygwin. Full-screen subprocesses run from + * bash, in turn spawned from another full-screen process, will dump + * core when attempting to write to stdout. Opening /dev/tty + * explicitly seems to fix the problem. + */ + if (isatty(fileno(stdout))) { + FILE *fp = fopen("/dev/tty", "w"); + if (fp != 0 && isatty(fileno(fp))) { + fclose(stdout); + dup2(fileno(fp), STDOUT_FILENO); + stdout = fdopen(STDOUT_FILENO, "w"); + } + } +#endif + if (newterm(name, stdout, stdin) == 0) { + fprintf(stderr, "Error opening terminal: %s.\n", name); + 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 */ + def_prog_mode(); + } + returnWin(stdscr); +} |