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* parse.y (rb_intern): should check symbol table overflow.

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#3900 [ruby-dev:42330]



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@29396 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2010-10-03 09:30:30 +00:00
parent b5dde87123
commit a1ab2bc8a4
3 changed files with 18 additions and 3 deletions
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10
parse.y
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@ -6227,6 +6227,16 @@ rb_intern(name)
}
if (*m) id = ID_JUNK;
new_id:
if (last_id >= SYM2ID(~(VALUE)0) >> ID_SCOPE_SHIFT) {
if (last > 20) {
rb_raise(rb_eRuntimeError, "symbol table overflow (symbol %.20s...)",
name);
}
else {
rb_raise(rb_eRuntimeError, "symbol table overflow (symbol %.*s)",
last, name);
}
}
id |= ++last_id << ID_SCOPE_SHIFT;
id_regist:
name = strdup(name);