Feature #13743 ยป patch.diff
| configure.in | ||
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AC_CHECK_FUNCS(lchmod)
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AC_CHECK_FUNCS(lchown)
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AC_CHECK_FUNCS(link)
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AC_CHECK_FUNCS(linkat)
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AC_CHECK_FUNCS(llabs)
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AC_CHECK_FUNCS(lockf)
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AC_CHECK_FUNCS(log2)
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| file.c | ||
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static VALUE
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rb_file_s_link(VALUE klass, VALUE from, VALUE to)
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{
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#if defined(HAVE_LINKAT) && defined(AT_SYMLINK_FOLLOW)
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VALUE tmp = rb_io_check_io(from);
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rb_io_t *from_fptr = RFILE(rb_io_taint_check(from))->fptr;
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if (!NIL_P(tmp) && from_fptr && from_fptr->fd >= 0) { /* when 'from' is an IO and opened */
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char from_path[PATH_MAX];
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rb_io_flush(from);
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FilePathValue(to);
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to = rb_str_encode_ospath(to);
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snprintf(from_path, PATH_MAX, "/proc/self/fd/%d", from_fptr->fd);
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if (linkat(AT_FDCWD, from_path, AT_FDCWD, StringValueCStr(to), AT_SYMLINK_FOLLOW) < 0) {
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FilePathValue(from);
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from = rb_str_encode_ospath(from);
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sys_fail2(from, to);
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}
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return INT2FIX(0);
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}
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#endif
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FilePathValue(from);
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FilePathValue(to);
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from = rb_str_encode_ospath(from);
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| test/ruby/test_file_exhaustive.rb | ||
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assert_raise(Errno::EEXIST) { File.link(utf8_file, utf8_file) }
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end
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def test_hardlink_file_instannce
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regular_file = make_tmp_filename("hardlinkfile_file_instannce_from")
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hardlinkfile = make_tmp_filename("hardlinkfile_file_instannce_to")
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content = "foo"
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File.open(regular_file, "w") do |file|
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file.write(content)
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File.link(file, hardlinkfile)
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assert_equal(content, File.read(hardlinkfile))
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end
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rescue NotImplementedError
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end
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def test_hardlink_tmpfile
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hardlinkfile = make_tmp_filename("hardlinkfile_tmpfile")
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content = "foo"
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File.open(@dir, IO::WRONLY|IO::TMPFILE) do |tmpfile|
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tmpfile.write(content)
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File.link(tmpfile, hardlinkfile)
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assert_equal(content, File.read(hardlinkfile))
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end
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rescue NotImplementedError
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end if IO::TMPFILE
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def test_readlink
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return unless symlinkfile
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assert_equal(regular_file, File.readlink(symlinkfile))
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