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fix pty resizing on darwin

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This commit is contained in:
Mitchell Hashimoto
2022-04-24 09:32:03 -07:00
parent 70693872f7
commit 747ebfb628
1 changed files with 14 additions and 5 deletions
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19
src/Pty.zig
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@ -6,18 +6,27 @@ const Pty = @This();
const std = @import("std"); const std = @import("std");
const builtin = @import("builtin"); const builtin = @import("builtin");
const testing = std.testing; const testing = std.testing;
const linux = std.os.linux;
const fd_t = std.os.fd_t; const fd_t = std.os.fd_t;
const winsize = linux.winsize;
const c = switch (builtin.os.tag) { const c = switch (builtin.os.tag) {
.macos => @cImport({ .macos => @cImport({
@cInclude("util.h"); @cInclude("sys/ioctl.h"); // ioctl and constants
@cInclude("util.h"); // openpty()
}), }),
else => @cImport({ else => @cImport({
@cInclude("pty.h"); @cInclude("pty.h");
}), }),
}; };
/// Redeclare this winsize struct so we can just use a Zig struct. This
/// layout should be correct on all tested platforms.
const winsize = extern struct {
ws_row: u16,
ws_col: u16,
ws_xpixel: u16,
ws_ypixel: u16,
};
/// The file descriptors for the master and slave side of the pty. /// The file descriptors for the master and slave side of the pty.
master: fd_t, master: fd_t,
slave: fd_t, slave: fd_t,
@ -52,7 +61,7 @@ pub fn deinit(self: *Pty) void {
/// Return the size of the pty. /// Return the size of the pty.
pub fn getSize(self: Pty) !winsize { pub fn getSize(self: Pty) !winsize {
var ws: winsize = undefined; var ws: winsize = undefined;
if (linux.ioctl(self.master, linux.T.IOCGWINSZ, @ptrToInt(&ws)) < 0) if (c.ioctl(self.master, c.TIOCGWINSZ, @ptrToInt(&ws)) < 0)
return error.IoctlFailed; return error.IoctlFailed;
return ws; return ws;
@ -60,7 +69,7 @@ pub fn getSize(self: Pty) !winsize {
/// Set the size of the pty. /// Set the size of the pty.
pub fn setSize(self: Pty, size: winsize) !void { pub fn setSize(self: Pty, size: winsize) !void {
if (linux.ioctl(self.master, linux.T.IOCSWINSZ, @ptrToInt(&size)) < 0) if (c.ioctl(self.master, c.TIOCSWINSZ, @ptrToInt(&size)) < 0)
return error.IoctlFailed; return error.IoctlFailed;
} }