ci: fix failing `v -W build-tools` and `v -W build-examples`; run vfmt.

cmd/tools/vbin2v.v

@@ -131,11 +131,11 @@ fn main() {
 	max_bname := context.max_bname_len(file_byte_map.keys())
 	if context.write_file.len > 0 {
 		mut out_file := os.create(context.write_file) ?
-		out_file.write_str(context.header()) ?
+		out_file.write_string(context.header()) ?
 		for bname, fbytes in file_byte_map {
-			out_file.write_str(context.file2v(bname, fbytes, max_bname)) ?
+			out_file.write_string(context.file2v(bname, fbytes, max_bname)) ?
 		}
-		out_file.write_str(context.footer()) ?
+		out_file.write_string(context.footer()) ?
 	} else {
 		print(context.header())
 		for bname, fbytes in file_byte_map {

cmd/tools/vcreate.v

@@ -77,7 +77,7 @@ fn (c &Create) write_vmod(new bool) {
 		cerror(err.msg)
 		exit(1)
 	}
-	vmod.write_str(vmod_content(c)) or { panic(err) }
+	vmod.write_string(vmod_content(c)) or { panic(err) }
 	vmod.close()
 }
 
@@ -90,7 +90,7 @@ fn (c &Create) write_main(new bool) {
 		cerror(err.msg)
 		exit(2)
 	}
-	mainfile.write_str(main_content()) or { panic(err) }
+	mainfile.write_string(main_content()) or { panic(err) }
 	mainfile.close()
 }
 
@@ -107,7 +107,7 @@ fn (c &Create) create_git_repo(dir string) {
 				// We don't really need a .gitignore, it's just a nice-to-have
 				return
 			}
-			fl.write_str(gen_gitignore(c.name)) or { panic(err) }
+			fl.write_string(gen_gitignore(c.name)) or { panic(err) }
 			fl.close()
 		}
 	}

cmd/tools/vtest-cleancode.v

@@ -9,6 +9,7 @@ const (
 	vet_folders                     = [
 		'vlib/sqlite',
 		'vlib/v',
+		'vlib/x/ttf/',
 		'cmd/v',
 		'cmd/tools',
 		'examples/2048',

examples/buf_reader.v

@@ -7,7 +7,7 @@ fn main() {
 	// Make a new connection
 	mut conn := net.dial_tcp('google.com:80') ?
 	// Simple http HEAD request for a file
-	conn.write_str('GET /index.html HTTP/1.0\r\n\r\n') ?
+	conn.write_string('GET /index.html HTTP/1.0\r\n\r\n') ?
 	// Wrap in a buffered reader
 	mut r := io.new_buffered_reader(reader: io.make_reader(conn))
 	for {

examples/net_raw_http.v

@@ -8,7 +8,7 @@ fn main() {
 		conn.close() or {}
 	}
 	// Simple http HEAD request for a file
-	conn.write_str('HEAD /index.html HTTP/1.0\r\n\r\n') ?
+	conn.write_string('HEAD /index.html HTTP/1.0\r\n\r\n') ?
 	// Read all the data that is waiting
 	result := io.read_all(reader: conn) ?
 	// Cast to string and print result

examples/path_tracing.v

@@ -106,7 +106,7 @@ fn (image Image) save_as_ppm(file_name string) {
 		c_r := to_int(unsafe { image.data[i] }.x)
 		c_g := to_int(unsafe { image.data[i] }.y)
 		c_b := to_int(unsafe { image.data[i] }.z)
-		f_out.write_str('$c_r $c_g $c_b ') or { panic(err) }
+		f_out.write_string('$c_r $c_g $c_b ') or { panic(err) }
 	}
 	f_out.close()
 }

vlib/x/ttf/common.v

@@ -103,7 +103,7 @@ pub fn (mut bmp BitMap) save_as_ppm(file_name string) {
 			c_r := bmp.buf[pos]
 			c_g := bmp.buf[pos + 1]
 			c_b := bmp.buf[pos + 2]
-			f_out.write_str('$c_r $c_g $c_b ') or { panic(err) }
+			f_out.write_string('$c_r $c_g $c_b ') or { panic(err) }
 		}
 	}
 	f_out.close()

vlib/x/ttf/render_bmp.v

@@ -800,8 +800,8 @@ pub fn (mut bmp BitMap) draw_glyph(index u16) (int, int) {
 
 					// bmp.line(x0, y0, start_point.x, start_point.y, u32(0x00FF0000)
 					// u32(0xFF000000))
-					bmp.quadratic(x0, y0, start_point.x, start_point.y, (point.x +
-						start_point.x) / 2, (point.y + start_point.y) / 2, color)
+					bmp.quadratic(x0, y0, start_point.x, start_point.y, (point.x + start_point.x) / 2,
+						(point.y + start_point.y) / 2, color)
 				}
 			} else {
 				// last point not in a curve

vlib/x/ttf/ttf.v

@@ -519,8 +519,8 @@ fn (mut tf TTF_File) get_fword() i16 {
 }
 
 fn (mut tf TTF_File) get_u32() u32 {
-	x := (u32(tf.buf[tf.pos]) << u32(24)) | (u32(tf.buf[tf.pos +
-		1]) << u32(16)) | (u32(tf.buf[tf.pos + 2]) << u32(8)) | u32(tf.buf[tf.pos + 3])
+	x := (u32(tf.buf[tf.pos]) << u32(24)) | (u32(tf.buf[tf.pos + 1]) << u32(16)) | (u32(tf.buf[
+		tf.pos + 2]) << u32(8)) | u32(tf.buf[tf.pos + 3])
 	tf.pos += 4
 	return x
 }

vlib/x/ttf/ttf_test.v

@@ -183,7 +183,7 @@ fn test_main() {
 
 	mut bmp := ttf.BitMap{
 		tf: &tf
-		buf: malloc(sz)
+		buf: unsafe { malloc(sz) }
 		buf_size: sz
 		scale: scale
 		width: w