+/****************************************************************************
+ * Copyright (c) 1998 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. *
+ ****************************************************************************/
-/***************************************************************************
-* COPYRIGHT NOTICE *
-****************************************************************************
-* ncurses is copyright (C) 1992-1995 *
-* Zeyd M. Ben-Halim *
-* zmbenhal@netcom.com *
-* Eric S. Raymond *
-* esr@snark.thyrsus.com *
-* *
-* Permission is hereby granted to reproduce and distribute ncurses *
-* by any means and for any fee, whether alone or as part of a *
-* larger distribution, in source or in binary form, PROVIDED *
-* this notice is included with any such distribution, and is not *
-* removed from any of its header files. Mention of ncurses in any *
-* applications linked with it is highly appreciated. *
-* *
-* ncurses comes AS IS with no warranty, implied or expressed. *
-* *
-***************************************************************************/
+/****************************************************************************
+ * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
+ * and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ ****************************************************************************/
/*
#include <curses.priv.h>
-#ifdef SVR4_TERMIO
+#if defined(SVR4_TERMIO) && !defined(_POSIX_SOURCE)
#define _POSIX_SOURCE
#endif
#include <term.h> /* lines, columns, cur_term */
-MODULE_ID("$Id: lib_setup.c,v 1.24 1997/03/08 21:25:44 tom Exp $")
+MODULE_ID("$Id: lib_setup.c,v 1.37 1998/02/11 12:13:56 tom Exp $")
/****************************************************************************
*
*
****************************************************************************/
-#if !defined(sun) || !HAVE_TERMIOS_H
-#include <sys/ioctl.h>
+#if HAVE_SIZECHANGE
+# if !defined(sun) || !HAVE_TERMIOS_H
+# if HAVE_SYS_IOCTL_H
+# include <sys/ioctl.h>
+# endif
+# endif
+#endif
+
+#if NEED_PTEM_H
+ /* On SCO, they neglected to define struct winsize in termios.h -- it's only
+ * in termio.h and ptem.h (the former conflicts with other definitions).
+ */
+# include <sys/stream.h>
+# include <sys/ptem.h>
+#endif
+
+/*
+ * SCO defines TIOCGSIZE and the corresponding struct. Other systems (SunOS,
+ * Solaris, IRIX) define TIOCGWINSZ and struct winsize.
+ */
+#ifdef TIOCGSIZE
+# define IOCTL_WINSIZE TIOCGSIZE
+# define STRUCT_WINSIZE struct ttysize
+# define WINSIZE_ROWS(n) (int)n.ts_lines
+# define WINSIZE_COLS(n) (int)n.ts_cols
+#else
+# ifdef TIOCGWINSZ
+# define IOCTL_WINSIZE TIOCGWINSZ
+# define STRUCT_WINSIZE struct winsize
+# define WINSIZE_ROWS(n) (int)n.ws_row
+# define WINSIZE_COLS(n) (int)n.ws_col
+# endif
#endif
+extern TERMINAL *cur_term;
+
static int _use_env = TRUE;
static void do_prototype(void);
int LINES, COLS, TABSIZE;
-void _nc_get_screensize(void)
-/* set LINES and COLS from the environment and/or terminfo entry */
+static void _nc_get_screensize(int *linep, int *colp)
+/* Obtain lines/columns values from the environment and/or terminfo entry */
{
-char *rows, *cols;
+char *rows, *cols;
/* figure out the size of the screen */
T(("screen size: terminfo lines = %d columns = %d", lines, columns));
if (!_use_env)
{
- LINES = (int)lines;
- COLS = (int)columns;
+ *linep = (int)lines;
+ *colp = (int)columns;
}
else /* usually want to query LINES and COLUMNS from environment */
{
- LINES = COLS = 0;
+ *linep = *colp = 0;
/* first, look for environment variables */
rows = getenv("LINES");
- if (rows != (char *)NULL)
- LINES = atoi(rows);
+ if (rows != 0)
+ *linep = atoi(rows);
cols = getenv("COLUMNS");
- if (cols != (char *)NULL)
- COLS = atoi(cols);
- T(("screen size: environment LINES = %d COLUMNS = %d",LINES,COLS));
+ if (cols != 0)
+ *colp = atoi(cols);
+ T(("screen size: environment LINES = %d COLUMNS = %d",*linep,*colp));
-#if defined(TIOCGWINSZ) && !BROKEN_TIOCGWINSZ
+#if HAVE_SIZECHANGE
/* if that didn't work, maybe we can try asking the OS */
- if (LINES <= 0 || COLS <= 0)
+ if (*linep <= 0 || *colp <= 0)
{
if (isatty(cur_term->Filedes))
{
- struct winsize size;
+ STRUCT_WINSIZE size;
errno = 0;
do {
- if (ioctl(cur_term->Filedes, TIOCGWINSZ, &size) < 0
+ if (ioctl(cur_term->Filedes, IOCTL_WINSIZE, &size) < 0
&& errno != EINTR)
goto failure;
} while
(errno == EINTR);
- LINES = (int)size.ws_row;
- COLS = (int)size.ws_col;
+ *linep = WINSIZE_ROWS(size);
+ *colp = WINSIZE_COLS(size);
}
/* FALLTHRU */
failure:;
}
-#endif /* defined(TIOCGWINSZ) && !defined(BROKEN_TIOCGWINSZ) */
+#endif /* HAVE_SIZECHANGE */
/* if we can't get dynamic info about the size, use static */
- if (LINES <= 0 || COLS <= 0)
+ if (*linep <= 0 || *colp <= 0)
if (lines > 0 && columns > 0)
{
- LINES = (int)lines;
- COLS = (int)columns;
+ *linep = (int)lines;
+ *colp = (int)columns;
}
/* the ultimate fallback, assume fixed 24x80 size */
- if (LINES <= 0 || COLS <= 0)
+ if (*linep <= 0 || *colp <= 0)
{
- LINES = 24;
- COLS = 80;
+ *linep = 24;
+ *colp = 80;
}
/*
* Put the derived values back in the screen-size caps, so
* tigetnum() and tgetnum() will do the right thing.
*/
- lines = (short)LINES;
- columns = (short)COLS;
+ lines = (short)(*linep);
+ columns = (short)(*colp);
}
- T(("screen size is %dx%d", LINES, COLS));
+ T(("screen size is %dx%d", *linep, *colp));
#ifdef init_tabs
if (init_tabs != -1)
}
+#if USE_SIZECHANGE
+void _nc_update_screensize(void)
+{
+ int my_lines, my_cols;
+
+ _nc_get_screensize(&my_lines, &my_cols);
+ if (SP != 0 && SP->_resize != 0)
+ SP->_resize(my_lines, my_cols);
+}
+#endif
+
/****************************************************************************
*
* Terminal setup
exit(EXIT_FAILURE);\
}
+#if USE_DATABASE
static int grab_entry(const char *const tn, TERMTYPE *const tp)
/* return 1 if entry found, 0 if not found, -1 if database not accessible */
{
return(status);
}
+#endif
char ttytype[NAMESIZE];
T((T_CALLED("setupterm(\"%s\",%d,%p)"), tname, Filedes, errret));
- if (tname == NULL) {
+ if (tname == 0) {
tname = getenv("TERM");
- if (tname == NULL)
+ if (tname == 0 || *tname == '\0')
ret_error0(-1, "TERM environment variable not set.\n");
}
term_ptr = typeCalloc(TERMINAL, 1);
- if (term_ptr == NULL)
+ if (term_ptr == 0)
ret_error0(-1, "Not enough memory to create terminal structure.\n") ;
+#if USE_DATABASE
status = grab_entry(tname, &term_ptr->type);
+#else
+ status = 0;
+#endif
/* try fallback list if entry on disk */
if (status != 1)
ret_error(0, "'%s': unknown terminal type.\n", tname);
}
- cur_term = term_ptr;
- if (generic_type)
- ret_error(0, "'%s': I need something more specific.\n", tname);
- if (hard_copy)
- ret_error(1, "'%s': I can't handle hardcopy terminals.\n", tname);
+ set_curterm(term_ptr);
if (command_character && getenv("CC"))
do_prototype();
Filedes = STDERR_FILENO;
cur_term->Filedes = Filedes;
- _nc_get_screensize();
+ _nc_get_screensize(&LINES, &COLS);
if (errret)
*errret = 1;
T((T_CREATE("screen %s %dx%d"), tname, LINES, COLS));
+ if (generic_type)
+ ret_error(0, "'%s': I need something more specific.\n", tname);
+ if (hard_copy)
+ ret_error(1, "'%s': I can't handle hardcopy terminals.\n", tname);
+
returnCode(OK);
}