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* pack.c (pack_pack): pointer modification check before each

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iteration.  [ruby-dev:24445]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7015 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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matz 2004-10-08 03:36:54 +00:00
parent d2eea09f4a
commit 5de7917c8e
2 changed files with 8 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Fri Oct 8 09:49:32 2004 Yukihiro Matsumoto <matz@ruby-lang.org>
* pack.c (pack_pack): pointer modification check before each
iteration. [ruby-dev:24445]
Fri Oct 8 01:13:05 2004 Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp>
* ext/tk/lib/tk/optiondb.rb: make it more secure

3
pack.c
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@ -464,6 +464,9 @@ pack_pack(ary, fmt)
#define NEXTFROM (items-- > 0 ? RARRAY(ary)->ptr[idx++] : (rb_raise(rb_eArgError, toofew),0))
while (p < pend) {
if (RSTRING(fmt)->ptr + RSTRING(fmt)->len != pend) {
rb_raise(rb_eRuntimeError, "format string modified");
}
type = *p++; /* get data type */
#ifdef NATINT_PACK
natint = 0;