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stringio.c: check range

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* ext/stringio/stringio.c (strio_ungetc): raise RangeError instead
  of TypeError at too big value, as well as IO#ungetc.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58041 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-03-21 03:15:57 +00:00
parent 853ab8662f
commit c8d66b5d82
2 changed files with 3 additions and 2 deletions
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4
ext/stringio/stringio.c
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@ -766,8 +766,8 @@ strio_ungetc(VALUE self, VALUE c)
check_modifiable(ptr); check_modifiable(ptr);
if (NIL_P(c)) return Qnil; if (NIL_P(c)) return Qnil;
if (FIXNUM_P(c)) { if (RB_INTEGER_TYPE_P(c)) {
int len, cc = FIX2INT(c); int len, cc = NUM2INT(c);
char buf[16]; char buf[16];
enc = rb_enc_get(ptr->string); enc = rb_enc_get(ptr->string);

1
test/stringio/test_stringio.rb
View File

@ -455,6 +455,7 @@ class TestStringIO < Test::Unit::TestCase
assert_equal("2", f.getc) assert_equal("2", f.getc)
assert_raise(RangeError) {f.ungetc(0x1ffffff)} assert_raise(RangeError) {f.ungetc(0x1ffffff)}
assert_raise(RangeError) {f.ungetc(0xffffffffffffff)}
ensure ensure
f.close unless f.closed? f.close unless f.closed?
end end