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Properly handle wgetch(3) returning ERR. This prevents an abnormal exit

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when a windows resize event (SIGWINCH) occurs.

Reported by:	John Doe <rhamming2001@yahoo.com> and others on -stable.
Reviewed by:	dd
MFC after:	1 week
This commit is contained in:
mp 2001-07-28 22:40:10 +00:00
parent 815cafd7d0
commit b9208b18d5
1 changed files with 4 additions and 9 deletions
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13
usr.bin/ee/ee.c
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@ -630,7 +630,7 @@ char *argv[];
doupdate();
in = wgetch(text_win);
if (in == -1)
exit(0);
continue;
resize_check();
@ -1877,7 +1877,7 @@ int advance; /* if true, skip leading spaces and tabs */
esc_flag = FALSE;
in = wgetch(com_win);
if (in == -1)
exit(0);
continue;
if (((in == 8) || (in == 127) || (in == KEY_BACKSPACE)) && (g_pos > 0))
{
tmp_int = g_horz;
@ -1902,7 +1902,7 @@ int advance; /* if true, skip leading spaces and tabs */
esc_flag = TRUE;
in = wgetch(com_win);
if (in == -1)
exit(0);
continue;
}
*nam_str = in;
g_pos++;
@ -3382,10 +3382,7 @@ struct menu_entries menu_list[];
wmove(temp_win, (counter + top_offset - off_start), 3);
wrefresh(temp_win);
in = wgetch(temp_win);
input = in;
if (input == -1)
exit(0);
input = wgetch(temp_win);
if (((tolower(input) >= 'a') && (tolower(input) <= 'z')) ||
((input >= '0') && (input <= '9')))
@ -3628,8 +3625,6 @@ help()
wprintw(com_win, press_any_key_msg);
wrefresh(com_win);
counter = wgetch(com_win);
if (counter == -1)
exit(0);
werase(com_win);
wmove(com_win, 0, 0);
werase(help_win);