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* io.c (rb_io_initialize): don't accept IO object. [ruby-dev:35895] 

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18883 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2008-08-27 15:09:47 +00:00
parent f6f85ad683
commit d05d66e2ac
3 changed files with 19 additions and 67 deletions
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4
ChangeLog
View File

@ -1,3 +1,7 @@
Thu Aug 28 00:07:59 2008 Tanaka Akira <akr@fsij.org>
* io.c (rb_io_initialize): don't accept IO object. [ruby-dev:35895]
Wed Aug 27 23:28:51 2008 Masaki Suketa <masaki.suketa@nifty.ne.jp>
* ext/win32ole/win32ole.c (ole_invoke): WIN32OLE#[] and WIN32OLE#[]=

57
io.c
View File

@ -5541,8 +5541,8 @@ rb_io_stdio_file(rb_io_t *fptr)
static VALUE
rb_io_initialize(int argc, VALUE *argv, VALUE io)
{
VALUE fnum, mode, orig;
rb_io_t *fp, *ofp = NULL;
VALUE fnum, mode;
rb_io_t *fp;
int fd, flags, modenum = O_RDONLY;
convconfig_t convconfig;
VALUE opt;
@ -5552,49 +5552,22 @@ rb_io_initialize(int argc, VALUE *argv, VALUE io)
opt = pop_last_hash(&argc, &argv);
rb_scan_args(argc, argv, "11", &fnum, &mode);
rb_io_extract_modeenc(&mode, opt, &modenum, &flags, &convconfig);
orig = rb_io_check_io(fnum);
if (NIL_P(orig)) {
fd = NUM2INT(fnum);
UPDATE_MAXFD(fd);
if (NIL_P(mode)) {
fd = NUM2INT(fnum);
UPDATE_MAXFD(fd);
if (NIL_P(mode)) {
#if defined(HAVE_FCNTL) && defined(F_GETFL)
modenum = fcntl(fd, F_GETFL);
if (modenum == -1) rb_sys_fail(0);
flags = rb_io_modenum_flags(modenum);
modenum = fcntl(fd, F_GETFL);
if (modenum == -1) rb_sys_fail(0);
flags = rb_io_modenum_flags(modenum);
#endif
}
MakeOpenFile(io, fp);
fp->fd = fd;
fp->mode = flags;
fp->encs = convconfig;
clear_codeconv(fp);
io_check_tty(fp);
}
else if (RFILE(io)->fptr) {
rb_raise(rb_eRuntimeError, "reinitializing IO");
}
else {
GetOpenFile(orig, ofp);
if (ofp->refcnt == LONG_MAX) {
VALUE s = rb_inspect(orig);
rb_raise(rb_eIOError, "too many shared IO for %s", StringValueCStr(s));
}
if (!NIL_P(mode)) {
if ((ofp->mode ^ flags) & (FMODE_READWRITE|FMODE_BINMODE)) {
if (TYPE(mode) != T_STRING) {
rb_raise(rb_eArgError, "incompatible mode 0x%x", modenum);
}
else {
rb_raise(rb_eArgError, "incompatible mode \"%s\"", RSTRING_PTR(mode));
}
}
}
if (convconfig.enc || convconfig.enc2) {
rb_raise(rb_eArgError, "encoding specified for shared IO");
}
ofp->refcnt++;
RFILE(io)->fptr = ofp;
}
MakeOpenFile(io, fp);
fp->fd = fd;
fp->mode = flags;
fp->encs = convconfig;
clear_codeconv(fp);
io_check_tty(fp);
return io;
}

25
test/ruby/test_io.rb
View File

@ -1189,31 +1189,6 @@ class TestIO < Test::Unit::TestCase
assert_equal("foo\nbar\nbaz\n", File.read(t.path))
with_pipe do |r, w|
assert_raise(RuntimeError) do
o = Object.new
class << o; self; end.instance_eval do
define_method(:to_io) { r }
end
w.instance_eval { initialize(o) }
end
end
pipe(proc do |w|
w = IO.new(w)
w.puts "foo"
w.puts "bar"
w.puts "baz"
w.close
end, proc do |r|
r = IO.new(r)
assert_equal("foo\nbar\nbaz\n", r.read)
end)
with_pipe do |r, w|
assert_raise(ArgumentError) { IO.new(r, "r+") }
end
f = open(t.path)
assert_raise(RuntimeError) do
f.instance_eval { initialize }