1--TEST--
2Test function gzseek() by calling it with SEEK_END when writing
3--SKIPIF--
4<?php
5if (!extension_loaded("zlib")) {
6    print "skip - ZLIB extension not loaded";
7}
8?>
9--FILE--
10<?php
11$f = "gzseek_variation7.gz";
12$h = gzopen($f, 'w');
13$str1 = "This is the first line.";
14$str2 = "This is the second line.";
15gzwrite($h, $str1);
16echo "tell=";
17var_dump(gztell($h));
18
19//seek to the end which is not sensible of course.
20echo "move to the end of the file\n";
21var_dump(gzseek($h, 0, SEEK_END));
22echo "tell=";
23var_dump(gztell($h));
24gzwrite($h, $str2);
25echo "tell=";
26var_dump(gztell($h));
27gzclose($h);
28echo "\nreading the output file\n";
29$h = gzopen($f, 'r');
30gzpassthru($h);
31gzclose($h);
32echo "\n";
33unlink($f);
34?>
35--EXPECTF--
36tell=int(23)
37move to the end of the file
38
39Warning: gzseek(): SEEK_END is not supported in %s on line %d
40int(-1)
41tell=int(23)
42tell=int(47)
43
44reading the output file
45This is the first line.This is the second line.
46