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merge revision(s) 54887-54889: [Backport #12340]

* win32/win32.c, include/ruby/win32.h (rb_w32_utruncate): implements new
	  truncate alternative which accepts UTF-8 path.

	* file.c (truncate): use above function.
	  [Bug #12340]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@55400 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nagachika 2016-06-13 18:14:31 +00:00
parent 805e78248f
commit 85ca853a50
6 changed files with 251 additions and 92 deletions

View file

@ -1,3 +1,11 @@
Tue Jun 14 03:02:38 2016 NAKAMURA Usaku <usa@ruby-lang.org>
* win32/win32.c, include/ruby/win32.h (rb_w32_utruncate): implements new
truncate alternative which accepts UTF-8 path.
* file.c (truncate): use above function.
[Bug #12340]
Tue Jun 14 02:58:41 2016 Marcus Stollsteimer <sto.mar@web.de>
* ext/date/date_core.c (Init_date_core): [DOC] Convert DateTime

2
file.c
View file

@ -100,6 +100,8 @@ int flock(int, int);
#define lstat(p, s) rb_w32_ulstati64((p), (s))
#undef access
#define access(p, m) rb_w32_uaccess((p), (m))
#undef truncate
#define truncate(p, n) rb_w32_utruncate((p), (n))
#undef chmod
#define chmod(p, m) rb_w32_uchmod((p), (m))
#undef chown

View file

@ -403,8 +403,9 @@ __declspec(dllimport) extern int finite(double);
#define SUFFIX
extern int rb_w32_ftruncate(int fd, off_t length);
extern int rb_w32_truncate(const char *path, off_t length);
extern int rb_w32_ftruncate(int fd, off_t length);
extern int rb_w32_truncate(const char *path, off_t length);
extern int rb_w32_utruncate(const char *path, off_t length);
#undef HAVE_FTRUNCATE
#define HAVE_FTRUNCATE 1

View file

@ -60,6 +60,13 @@ class TestFileExhaustive < Test::Unit::TestCase
@file
end
def utf8_file
return @utf8file if defined? @utf8file
@utf8file = make_tmp_filename("\u3066\u3059\u3068")
make_file("foo", @utf8file)
@utf8file
end
def notownedfile
return @notownedfile if defined? @notownedfile
if Process.euid != 0
@ -168,15 +175,15 @@ class TestFileExhaustive < Test::Unit::TestCase
end
def test_path
file = regular_file
assert_equal(file, File.open(file) {|f| f.path})
assert_equal(file, File.path(file))
o = Object.new
class << o; self; end.class_eval do
define_method(:to_path) { file }
[regular_file, utf8_file].each do |file|
assert_equal(file, File.open(file) {|f| f.path})
assert_equal(file, File.path(file))
o = Object.new
class << o; self; end.class_eval do
define_method(:to_path) { file }
end
assert_equal(file, File.path(o))
end
assert_equal(file, File.path(o))
end
def assert_integer(n)
@ -259,12 +266,14 @@ class TestFileExhaustive < Test::Unit::TestCase
assert_file.directory?(@dir)
assert_file.not_directory?(@dir+"/...")
assert_file.not_directory?(regular_file)
assert_file.not_directory?(utf8_file)
assert_file.not_directory?(nofile)
end
def test_pipe_p
assert_file.not_pipe?(@dir)
assert_file.not_pipe?(regular_file)
assert_file.not_pipe?(utf8_file)
assert_file.not_pipe?(nofile)
assert_file.pipe?(fifo) if fifo
end
@ -272,6 +281,7 @@ class TestFileExhaustive < Test::Unit::TestCase
def test_symlink_p
assert_file.not_symlink?(@dir)
assert_file.not_symlink?(regular_file)
assert_file.not_symlink?(utf8_file)
assert_file.symlink?(symlinkfile) if symlinkfile
assert_file.not_symlink?(hardlinkfile) if hardlinkfile
assert_file.not_symlink?(nofile)
@ -280,6 +290,7 @@ class TestFileExhaustive < Test::Unit::TestCase
def test_socket_p
assert_file.not_socket?(@dir)
assert_file.not_socket?(regular_file)
assert_file.not_socket?(utf8_file)
assert_file.not_socket?(nofile)
assert_file.socket?(socket) if socket
end
@ -287,6 +298,7 @@ class TestFileExhaustive < Test::Unit::TestCase
def test_blockdev_p
assert_file.not_blockdev?(@dir)
assert_file.not_blockdev?(regular_file)
assert_file.not_blockdev?(utf8_file)
assert_file.not_blockdev?(nofile)
assert_file.blockdev?(blockdev) if blockdev
end
@ -294,6 +306,7 @@ class TestFileExhaustive < Test::Unit::TestCase
def test_chardev_p
assert_file.not_chardev?(@dir)
assert_file.not_chardev?(regular_file)
assert_file.not_chardev?(utf8_file)
assert_file.not_chardev?(nofile)
assert_file.chardev?(chardev) if chardev
end
@ -301,6 +314,7 @@ class TestFileExhaustive < Test::Unit::TestCase
def test_exist_p
assert_file.exist?(@dir)
assert_file.exist?(regular_file)
assert_file.exist?(utf8_file)
assert_file.not_exist?(nofile)
end
@ -310,6 +324,12 @@ class TestFileExhaustive < Test::Unit::TestCase
assert_file.not_readable?(regular_file)
File.chmod(0600, regular_file)
assert_file.readable?(regular_file)
File.chmod(0200, utf8_file)
assert_file.not_readable?(utf8_file)
File.chmod(0600, utf8_file)
assert_file.readable?(utf8_file)
assert_file.not_readable?(nofile)
end if POSIX
@ -319,6 +339,12 @@ class TestFileExhaustive < Test::Unit::TestCase
assert_file.not_readable_real?(regular_file)
File.chmod(0600, regular_file)
assert_file.readable_real?(regular_file)
File.chmod(0200, utf8_file)
assert_file.not_readable_real?(utf8_file)
File.chmod(0600, utf8_file)
assert_file.readable_real?(utf8_file)
assert_file.not_readable_real?(nofile)
end if POSIX
@ -329,6 +355,14 @@ class TestFileExhaustive < Test::Unit::TestCase
assert_file.not_world_readable?(regular_file)
File.chmod(0600, regular_file)
assert_file.not_world_readable?(regular_file)
File.chmod(0006, utf8_file)
assert_file.world_readable?(utf8_file)
File.chmod(0060, utf8_file)
assert_file.not_world_readable?(utf8_file)
File.chmod(0600, utf8_file)
assert_file.not_world_readable?(utf8_file)
assert_file.not_world_readable?(nofile)
end if POSIX
@ -338,6 +372,12 @@ class TestFileExhaustive < Test::Unit::TestCase
assert_file.not_writable?(regular_file)
File.chmod(0600, regular_file)
assert_file.writable?(regular_file)
File.chmod(0400, utf8_file)
assert_file.not_writable?(utf8_file)
File.chmod(0600, utf8_file)
assert_file.writable?(utf8_file)
assert_file.not_writable?(nofile)
end if POSIX
@ -347,6 +387,12 @@ class TestFileExhaustive < Test::Unit::TestCase
assert_file.not_writable_real?(regular_file)
File.chmod(0600, regular_file)
assert_file.writable_real?(regular_file)
File.chmod(0400, utf8_file)
assert_file.not_writable_real?(utf8_file)
File.chmod(0600, utf8_file)
assert_file.writable_real?(utf8_file)
assert_file.not_writable_real?(nofile)
end if POSIX
@ -357,6 +403,14 @@ class TestFileExhaustive < Test::Unit::TestCase
assert_file.not_world_writable?(regular_file)
File.chmod(0600, regular_file)
assert_file.not_world_writable?(regular_file)
File.chmod(0006, utf8_file)
assert_file.world_writable?(utf8_file)
File.chmod(0060, utf8_file)
assert_file.not_world_writable?(utf8_file)
File.chmod(0600, utf8_file)
assert_file.not_world_writable?(utf8_file)
assert_file.not_world_writable?(nofile)
end if POSIX
@ -365,6 +419,12 @@ class TestFileExhaustive < Test::Unit::TestCase
assert_file.executable?(regular_file)
File.chmod(0600, regular_file)
assert_file.not_executable?(regular_file)
File.chmod(0100, utf8_file)
assert_file.executable?(utf8_file)
File.chmod(0600, utf8_file)
assert_file.not_executable?(utf8_file)
assert_file.not_executable?(nofile)
end if POSIX
@ -373,18 +433,26 @@ class TestFileExhaustive < Test::Unit::TestCase
assert_file.executable_real?(regular_file)
File.chmod(0600, regular_file)
assert_file.not_executable_real?(regular_file)
File.chmod(0100, utf8_file)
assert_file.executable_real?(utf8_file)
File.chmod(0600, utf8_file)
assert_file.not_executable_real?(utf8_file)
assert_file.not_executable_real?(nofile)
end if POSIX
def test_file_p
assert_file.not_file?(@dir)
assert_file.file?(regular_file)
assert_file.file?(utf8_file)
assert_file.not_file?(nofile)
end
def test_zero_p
assert_nothing_raised { File.zero?(@dir) }
assert_file.not_zero?(regular_file)
assert_file.not_zero?(utf8_file)
assert_file.zero?(zerofile)
assert_file.not_zero?(nofile)
end
@ -392,31 +460,37 @@ class TestFileExhaustive < Test::Unit::TestCase
def test_size_p
assert_nothing_raised { File.size?(@dir) }
assert_equal(3, File.size?(regular_file))
assert_equal(3, File.size?(utf8_file))
assert_file.not_size?(zerofile)
assert_file.not_size?(nofile)
end
def test_owned_p
assert_file.owned?(regular_file)
assert_file.owned?(utf8_file)
assert_file.not_owned?(notownedfile) if notownedfile
end if POSIX
def test_grpowned_p ## xxx
assert_file.grpowned?(regular_file)
assert_file.grpowned?(utf8_file)
end if POSIX
def test_suid
assert_file.not_setuid?(regular_file)
assert_file.not_setuid?(utf8_file)
assert_file.setuid?(suidfile) if suidfile
end
def test_sgid
assert_file.not_setgid?(regular_file)
assert_file.not_setgid?(utf8_file)
assert_file.setgid?(sgidfile) if sgidfile
end
def test_sticky
assert_file.not_sticky?(regular_file)
assert_file.not_sticky?(utf8_file)
assert_file.sticky?(stickyfile) if stickyfile
end
@ -427,26 +501,40 @@ class TestFileExhaustive < Test::Unit::TestCase
assert_file.not_identical?(nofile, regular_file)
end
def path_identical_p(file)
[regular_file, utf8_file].each do |file|
assert_file.identical?(file, file)
assert_file.not_identical?(file, zerofile)
assert_file.not_identical?(file, nofile)
assert_file.not_identical?(nofile, file)
end
end
def test_io_identical_p
open(regular_file) {|f|
assert_file.identical?(f, f)
assert_file.identical?(regular_file, f)
assert_file.identical?(f, regular_file)
}
[regular_file, utf8_file].each do |file|
open(file) {|f|
assert_file.identical?(f, f)
assert_file.identical?(file, f)
assert_file.identical?(f, file)
}
end
end
def test_closed_io_identical_p
io = open(regular_file) {|f| f}
assert_raise(IOError) {
File.identical?(regular_file, io)
}
File.unlink(regular_file)
assert_file.not_exist?(regular_file)
[regular_file, utf8_file].each do |file|
io = open(file) {|f| f}
assert_raise(IOError) {
File.identical?(file, io)
}
File.unlink(file)
assert_file.not_exist?(file)
end
end
def test_s_size
assert_integer(File.size(@dir))
assert_equal(3, File.size(regular_file))
assert_equal(3, File.size(utf8_file))
assert_equal(0, File.size(zerofile))
assert_raise(Errno::ENOENT) { File.size(nofile) }
end
@ -454,51 +542,62 @@ class TestFileExhaustive < Test::Unit::TestCase
def test_ftype
assert_equal("directory", File.ftype(@dir))
assert_equal("file", File.ftype(regular_file))
assert_equal("file", File.ftype(utf8_file))
assert_equal("link", File.ftype(symlinkfile)) if symlinkfile
assert_equal("file", File.ftype(hardlinkfile)) if hardlinkfile
assert_raise(Errno::ENOENT) { File.ftype(nofile) }
end
def test_atime
t1 = File.atime(regular_file)
t2 = File.open(regular_file) {|f| f.atime}
assert_kind_of(Time, t1)
assert_kind_of(Time, t2)
assert_equal(t1, t2)
[regular_file, utf8_file].each do |file|
t1 = File.atime(file)
t2 = File.open(file) {|f| f.atime}
assert_kind_of(Time, t1)
assert_kind_of(Time, t2)
assert_equal(t1, t2)
end
assert_raise(Errno::ENOENT) { File.atime(nofile) }
end
def test_mtime
t1 = File.mtime(regular_file)
t2 = File.open(regular_file) {|f| f.mtime}
assert_kind_of(Time, t1)
assert_kind_of(Time, t2)
assert_equal(t1, t2)
[regular_file, utf8_file].each do |file|
t1 = File.mtime(file)
t2 = File.open(file) {|f| f.mtime}
assert_kind_of(Time, t1)
assert_kind_of(Time, t2)
assert_equal(t1, t2)
end
assert_raise(Errno::ENOENT) { File.mtime(nofile) }
end
def test_ctime
t1 = File.ctime(regular_file)
t2 = File.open(regular_file) {|f| f.ctime}
assert_kind_of(Time, t1)
assert_kind_of(Time, t2)
assert_equal(t1, t2)
[regular_file, utf8_file].each do |file|
t1 = File.ctime(file)
t2 = File.open(file) {|f| f.ctime}
assert_kind_of(Time, t1)
assert_kind_of(Time, t2)
assert_equal(t1, t2)
end
assert_raise(Errno::ENOENT) { File.ctime(nofile) }
end
def test_chmod
assert_equal(1, File.chmod(0444, regular_file))
assert_equal(0444, File.stat(regular_file).mode % 01000)
assert_equal(0, File.open(regular_file) {|f| f.chmod(0222)})
assert_equal(0222, File.stat(regular_file).mode % 01000)
File.chmod(0600, regular_file)
[regular_file, utf8_file].each do |file|
assert_equal(1, File.chmod(0444, file))
assert_equal(0444, File.stat(file).mode % 01000)
assert_equal(0, File.open(file) {|f| f.chmod(0222)})
assert_equal(0222, File.stat(file).mode % 01000)
File.chmod(0600, file)
end
assert_raise(Errno::ENOENT) { File.chmod(0600, nofile) }
end if POSIX
def test_lchmod
assert_equal(1, File.lchmod(0444, regular_file))
assert_equal(0444, File.stat(regular_file).mode % 01000)
File.lchmod(0600, regular_file)
[regular_file, utf8_file].each do |file|
assert_equal(1, File.lchmod(0444, file))
assert_equal(0444, File.stat(file).mode % 01000)
File.lchmod(0600, regular_file)
end
assert_raise(Errno::ENOENT) { File.lchmod(0600, nofile) }
rescue NotImplementedError
end if POSIX
@ -513,6 +612,7 @@ class TestFileExhaustive < Test::Unit::TestCase
return unless symlinkfile
assert_equal("link", File.ftype(symlinkfile))
assert_raise(Errno::EEXIST) { File.symlink(regular_file, regular_file) }
assert_raise(Errno::EEXIST) { File.symlink(utf8_file, utf8_file) }
end
def test_utime
@ -526,12 +626,14 @@ class TestFileExhaustive < Test::Unit::TestCase
return unless hardlinkfile
assert_equal("file", File.ftype(hardlinkfile))
assert_raise(Errno::EEXIST) { File.link(regular_file, regular_file) }
assert_raise(Errno::EEXIST) { File.link(utf8_file, utf8_file) }
end
def test_readlink
return unless symlinkfile
assert_equal(regular_file, File.readlink(symlinkfile))
assert_raise(Errno::EINVAL) { File.readlink(regular_file) }
assert_raise(Errno::EINVAL) { File.readlink(utf8_file) }
assert_raise(Errno::ENOENT) { File.readlink(nofile) }
if fs = Encoding.find("filesystem")
assert_equal(fs, File.readlink(symlinkfile).encoding)
@ -578,15 +680,21 @@ class TestFileExhaustive < Test::Unit::TestCase
def test_unlink
assert_equal(1, File.unlink(regular_file))
make_file("foo", regular_file)
assert_equal(1, File.unlink(utf8_file))
make_file("foo", utf8_file)
assert_raise(Errno::ENOENT) { File.unlink(nofile) }
end
def test_rename
assert_equal(0, File.rename(regular_file, nofile))
assert_file.not_exist?(regular_file)
assert_file.exist?(nofile)
assert_equal(0, File.rename(nofile, regular_file))
assert_raise(Errno::ENOENT) { File.rename(nofile, regular_file) }
[regular_file, utf8_file].each do |file|
assert_equal(0, File.rename(file, nofile))
assert_file.not_exist?(file)
assert_file.exist?(nofile)
assert_equal(0, File.rename(nofile, file))
assert_raise(Errno::ENOENT) { File.rename(nofile, file) }
end
end
def test_umask
@ -601,10 +709,13 @@ class TestFileExhaustive < Test::Unit::TestCase
def test_expand_path
assert_equal(regular_file, File.expand_path(File.basename(regular_file), File.dirname(regular_file)))
assert_equal(utf8_file, File.expand_path(File.basename(utf8_file), File.dirname(utf8_file)))
if NTFS
assert_equal(regular_file, File.expand_path(regular_file + " "))
assert_equal(regular_file, File.expand_path(regular_file + "."))
assert_equal(regular_file, File.expand_path(regular_file + "::$DATA"))
[regular_file, utf8_file].each do |file|
assert_equal(file, File.expand_path(file + " "))
assert_equal(file, File.expand_path(file + "."))
assert_equal(file, File.expand_path(file + "::$DATA"))
end
assert_match(/\Ac:\//i, File.expand_path('c:'), '[ruby-core:31591]')
assert_match(/\Ac:\//i, File.expand_path('c:foo', 'd:/bar'))
assert_match(/\Ae:\//i, File.expand_path('e:foo', 'd:/bar'))
@ -966,6 +1077,7 @@ class TestFileExhaustive < Test::Unit::TestCase
def test_basename
assert_equal(File.basename(regular_file).sub(/\.test$/, ""), File.basename(regular_file, ".test"))
assert_equal(File.basename(utf8_file).sub(/\.test$/, ""), File.basename(utf8_file, ".test"))
assert_equal("", s = File.basename(""))
assert_not_predicate(s, :frozen?, '[ruby-core:24199]')
assert_equal("foo", s = File.basename("foo"))
@ -974,17 +1086,19 @@ class TestFileExhaustive < Test::Unit::TestCase
assert_equal("foo", File.basename("foo.ext", ".ext"))
assert_equal("foo", File.basename("foo.ext", ".*"))
if NTFS
basename = File.basename(regular_file)
assert_equal(basename, File.basename(regular_file + " "))
assert_equal(basename, File.basename(regular_file + "."))
assert_equal(basename, File.basename(regular_file + "::$DATA"))
basename.chomp!(".test")
assert_equal(basename, File.basename(regular_file + " ", ".test"))
assert_equal(basename, File.basename(regular_file + ".", ".test"))
assert_equal(basename, File.basename(regular_file + "::$DATA", ".test"))
assert_equal(basename, File.basename(regular_file + " ", ".*"))
assert_equal(basename, File.basename(regular_file + ".", ".*"))
assert_equal(basename, File.basename(regular_file + "::$DATA", ".*"))
[regular_file, utf8_file].each do |file|
basename = File.basename(file)
assert_equal(basename, File.basename(file + " "))
assert_equal(basename, File.basename(file + "."))
assert_equal(basename, File.basename(file + "::$DATA"))
basename.chomp!(".test")
assert_equal(basename, File.basename(file + " ", ".test"))
assert_equal(basename, File.basename(file + ".", ".test"))
assert_equal(basename, File.basename(file + "::$DATA", ".test"))
assert_equal(basename, File.basename(file + " ", ".*"))
assert_equal(basename, File.basename(file + ".", ".*"))
assert_equal(basename, File.basename(file + "::$DATA", ".*"))
end
end
if File::ALT_SEPARATOR == '\\'
a = "foo/\225\\\\"
@ -1006,6 +1120,7 @@ class TestFileExhaustive < Test::Unit::TestCase
def test_dirname
assert(regular_file.start_with?(File.dirname(regular_file)))
assert_equal(@dir, File.dirname(utf8_file))
assert_equal(".", File.dirname(""))
assert_incompatible_encoding {|d| File.dirname(d)}
if File::ALT_SEPARATOR == '\\'
@ -1018,6 +1133,7 @@ class TestFileExhaustive < Test::Unit::TestCase
def test_extname
assert_equal(".test", File.extname(regular_file))
assert_equal(".test", File.extname(utf8_file))
prefixes = ["", "/", ".", "/.", "bar/.", "/bar/."]
infixes = ["", " ", "."]
infixes2 = infixes + [".ext "]
@ -1044,9 +1160,11 @@ class TestFileExhaustive < Test::Unit::TestCase
end
def test_split
d, b = File.split(regular_file)
assert_equal(File.dirname(regular_file), d)
assert_equal(File.basename(regular_file), b)
[regular_file, utf8_file].each do |file|
d, b = File.split(file)
assert_equal(File.dirname(file), d)
assert_equal(File.basename(file), b)
end
end
def test_join
@ -1089,26 +1207,28 @@ class TestFileExhaustive < Test::Unit::TestCase
end
def test_truncate
assert_equal(0, File.truncate(regular_file, 1))
assert_file.exist?(regular_file)
assert_equal(1, File.size(regular_file))
assert_equal(0, File.truncate(regular_file, 0))
assert_file.exist?(regular_file)
assert_file.zero?(regular_file)
make_file("foo", regular_file)
assert_raise(Errno::ENOENT) { File.truncate(nofile, 0) }
[regular_file, utf8_file].each do |file|
assert_equal(0, File.truncate(file, 1))
assert_file.exist?(file)
assert_equal(1, File.size(file))
assert_equal(0, File.truncate(file, 0))
assert_file.exist?(file)
assert_file.zero?(file)
make_file("foo", file)
assert_raise(Errno::ENOENT) { File.truncate(nofile, 0) }
f = File.new(regular_file, "w")
assert_equal(0, f.truncate(2))
assert_file.exist?(regular_file)
assert_equal(2, File.size(regular_file))
assert_equal(0, f.truncate(0))
assert_file.exist?(regular_file)
assert_file.zero?(regular_file)
f.close
make_file("foo", regular_file)
f = File.new(file, "w")
assert_equal(0, f.truncate(2))
assert_file.exist?(file)
assert_equal(2, File.size(file))
assert_equal(0, f.truncate(0))
assert_file.exist?(file)
assert_file.zero?(file)
f.close
make_file("foo", file)
assert_raise(IOError) { File.open(regular_file) {|ff| ff.truncate(0)} }
assert_raise(IOError) { File.open(file) {|ff| ff.truncate(0)} }
end
rescue NotImplementedError
end
@ -1228,6 +1348,12 @@ class TestFileExhaustive < Test::Unit::TestCase
end
end
def test_stat_new_utf8
assert_nothing_raised do
File::Stat.new(utf8_file)
end
end
def test_stat_ftype
assert_equal("directory", File::Stat.new(@dir).ftype)
assert_equal("file", File::Stat.new(regular_file).ftype)
@ -1400,10 +1526,12 @@ class TestFileExhaustive < Test::Unit::TestCase
end
def test_size
assert_equal(3, File.open(regular_file) {|f| f.size })
File.open(regular_file, "a") do |f|
f.write("bar")
assert_equal(6, f.size)
[regular_file, utf8_file].each do |file|
assert_equal(3, File.open(file) {|f| f.size })
File.open(file, "a") do |f|
f.write("bar")
assert_equal(6, f.size)
end
end
end

View file

@ -1,6 +1,6 @@
#define RUBY_VERSION "2.3.2"
#define RUBY_RELEASE_DATE "2016-06-14"
#define RUBY_PATCHLEVEL 124
#define RUBY_PATCHLEVEL 125
#define RUBY_RELEASE_YEAR 2016
#define RUBY_RELEASE_MONTH 6

View file

@ -5709,21 +5709,41 @@ rb_chsize(HANDLE h, off_t size)
}
/* License: Ruby's */
int
rb_w32_truncate(const char *path, off_t length)
static int
w32_truncate(const char *path, off_t length, UINT cp)
{
HANDLE h;
int ret;
h = CreateFile(path, GENERIC_WRITE, 0, 0, OPEN_EXISTING, 0, 0);
WCHAR *wpath;
if (!(wpath = mbstr_to_wstr(cp, path, -1, NULL)))
return -1;
h = CreateFileW(wpath, GENERIC_WRITE, 0, 0, OPEN_EXISTING, 0, 0);
if (h == INVALID_HANDLE_VALUE) {
errno = map_errno(GetLastError());
free(wpath);
return -1;
}
free(wpath);
ret = rb_chsize(h, length);
CloseHandle(h);
return ret;
}
/* License: Ruby's */
int
rb_w32_utruncate(const char *path, off_t length)
{
return w32_truncate(path, length, CP_UTF8);
}
/* License: Ruby's */
int
rb_w32_truncate(const char *path, off_t length)
{
return w32_truncate(path, length, filecp());
}
/* License: Ruby's */
int
rb_w32_ftruncate(int fd, off_t length)