pkgconfig, termios: support NetBSD (#24176)

vlib/term/termios/termios_netbsd.c.v

@@ -0,0 +1,98 @@
+// Copyright (c) 2019-2024 Alexander Medvednikov. All rights reserved.
+// Use of this source code is governed by an MIT license
+// that can be found in the LICENSE file.
+//
+// Serves as more advanced input method
+// based on the work of https://github.com/AmokHuginnsson/replxx
+//
+module termios
+
+#include <termios.h>
+#include <sys/ioctl.h>
+
+// https://web.mit.edu/freebsd/head/sys/sys/_termios.h
+
+const cclen = 20
+
+type TcFlag = int
+type Speed = int
+type Cc = u8
+
+// Termios stores the terminal options
+pub struct C.termios {
+mut:
+	c_iflag  TcFlag
+	c_oflag  TcFlag
+	c_cflag  TcFlag
+	c_lflag  TcFlag
+	c_cc     [cclen]Cc
+	c_ispeed Speed
+	c_ospeed Speed
+}
+
+fn C.tcgetattr(fd int, termios_p &C.termios) int
+
+fn C.tcsetattr(fd int, optional_actions int, const_termios_p &C.termios) int
+
+fn C.ioctl(fd int, request u64, args ...voidptr) int
+
+// flag provides a termios flag of the correct size
+// for the underlying C.termios structure
+@[inline]
+pub fn flag(value int) TcFlag {
+	return int(value)
+}
+
+// invert is a platform dependant way to bitwise NOT (~) TcFlag
+// as its length varies across platforms
+@[inline]
+pub fn invert(value TcFlag) TcFlag {
+	return ~int(value)
+}
+
+pub struct Termios {
+pub mut:
+	c_iflag  TcFlag
+	c_oflag  TcFlag
+	c_cflag  TcFlag
+	c_lflag  TcFlag
+	c_cc     [cclen]Cc
+	c_ispeed Speed
+	c_ospeed Speed
+}
+
+// tcgetattr is an unsafe wrapper around C.termios and keeps its semantic
+@[inline]
+pub fn tcgetattr(fd int, mut termios_p Termios) int {
+	unsafe {
+		return C.tcgetattr(fd, &C.termios(termios_p))
+	}
+}
+
+// tcsetattr is an unsafe wrapper around C.termios and keeps its semantic
+@[inline]
+pub fn tcsetattr(fd int, optional_actions int, mut termios_p Termios) int {
+	unsafe {
+		return C.tcsetattr(fd, optional_actions, &C.termios(termios_p))
+	}
+}
+
+// ioctl is an unsafe wrapper around C.ioctl and keeps its semantic
+@[inline]
+pub fn ioctl(fd int, request u64, arg voidptr) int {
+	unsafe {
+		return C.ioctl(fd, request, arg)
+	}
+}
+
+// set_state applies the flags in the `new_state` to the descriptor `fd`.
+pub fn set_state(fd int, new_state Termios) int {
+	mut x := new_state
+	return tcsetattr(0, C.TCSANOW, mut x)
+}
+
+// disable_echo disables echoing characters as they are typed,
+// when that Termios state is later set with termios.set_state(fd,t)
+pub fn (mut t Termios) disable_echo() {
+	t.c_lflag &= invert(C.ECHO)
+}

vlib/v/pkgconfig/pkgconfig.v

@@ -22,6 +22,7 @@ const default_paths = [
 	'/usr/libdata/pkgconfig', // FreeBSD
 	'/usr/lib/i386-linux-gnu/pkgconfig', // Debian 32bit
 	'/data/data/com.termux/files/usr/lib/pkgconfig', // Termux
+	'/usr/pkg/lib/pkgconfig', // NetBSD
 ]
 
 pub struct Options {