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* slint.c (slang_init): Check screen dimensions and exit if they

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are abnormal. This may happen due to a S-Lang bug when the TERM
is set to a value not listed in termcap or terminfo.
This commit is contained in:
Pavel Roskin 2001-06-13 06:53:08 +00:00
parent 624c3eb71d
commit c603d50193
2 changed files with 22 additions and 0 deletions
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6
src/ChangeLog
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@ -1,3 +1,9 @@
2001-06-13 Pavel Roskin <proski@gnu.org>
* slint.c (slang_init): Check screen dimensions and exit if they
are abnormal. This may happen due to a S-Lang bug when the TERM
is set to a value not listed in termcap or terminfo.
2001-06-12 Pavel Roskin <proski@gnu.org>
* boxes.c [HAVE_CHARSET]: Localize more strings. Lay out the

16
src/slint.c
View File

@ -186,6 +186,22 @@ slang_init (void)
struct sigaction act, oact;
SLtt_get_terminfo ();
/*
* If the terminal in not in terminfo but begins with a well-known
* string such as "linux" or "xterm" S-Lang will go on, but the
* terminal size and several other variables won't be initialized
* (as of S-Lang 1.4.4). Detect it and abort. Also detect extremely
* small, large and negative screen dimensions.
*/
if ((COLS < 10) || (LINES < 5) || (COLS > 1024) || (LINES > 1024)) {
fprintf (stderr,
_("Screen size %dx%d is not supported.\n"
"Check the TERM environment variable.\n"),
COLS, LINES);
exit (1);
}
tcgetattr (fileno (stdin), &boot_mode);
/* 255 = ignore abort char; XCTRL('g') for abort char = ^g */
SLang_init_tty (XCTRL('c'), 1, 0);