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author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-10-08 03:36:54 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-10-08 03:36:54 +0000 |
commit | 116fee990e95bf7024d15ca816c1dce4e4ea419c (patch) | |
tree | 28585f0e2fab7921f475df3db56f86323acbd288 /pack.c | |
parent | e6b852a2fa7b18fcf20f39e492d75c637e55e80d (diff) | |
download | ruby-116fee990e95bf7024d15ca816c1dce4e4ea419c.tar.gz |
* pack.c (pack_pack): pointer modification check before each
iteration. [ruby-dev:24445]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@7015 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'pack.c')
-rw-r--r-- | pack.c | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -499,6 +499,9 @@ 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; |