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path: root/lib/libc/termios/tcgetwinsize.c
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Diffstat (limited to 'lib/libc/termios/tcgetwinsize.c')
-rw-r--r--lib/libc/termios/tcgetwinsize.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/libc/termios/tcgetwinsize.c b/lib/libc/termios/tcgetwinsize.c
new file mode 100644
index 00000000..2c7c5786
--- /dev/null
+++ b/lib/libc/termios/tcgetwinsize.c
@@ -0,0 +1,23 @@
+#include <termios.h>
+#include <syscall.h>
+#include <asm-generic/ioctls.h>
+
+struct __winsize {
+ unsigned short ws_row;
+ unsigned short ws_col;
+ unsigned short ws_xpixel;
+ unsigned short ws_ypixel;
+};
+
+int tcgetwinsize(int fildes, struct winsize *winsize_p)
+{
+ long ret;
+ struct __winsize winsize = { 0 };
+
+ ret = syscall(ioctl, fildes, TIOCGWINSZ, &winsize);
+
+ winsize_p->ws_row = winsize.ws_row;
+ winsize_p->ws_col = winsize.ws_col;
+
+ return ret;
+}