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LibLine: Fix loading of terminal dimensions when running under lldb

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Anonymous 2022-02-12 20:26:09 -08:00 • committed by Andreas Kling
parent 434925bbd8
commit 77511627e9
1 changed files with 9 additions and 0 deletions
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9
Userland/Libraries/LibLine/Editor.cpp
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@ -23,6 +23,7 @@
#include <LibCore/File.h>
#include <LibCore/Notifier.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdio.h>
#include <sys/ioctl.h>
@ -222,6 +223,14 @@ void Editor::get_terminal_size()
m_num_columns = 80;
m_num_lines = 25;
} else {
if (ws.ws_col == 0 || ws.ws_row == 0) {
// LLDB uses ttys which "work" and then gives us a zero sized
// terminal which is far from useful
if (int fd = open("/dev/tty", O_RDONLY); fd != -1) {
ioctl(fd, TIOCGWINSZ, &ws);
close (fd);
}
}
m_num_columns = ws.ws_col;
m_num_lines = ws.ws_row;
}