* ext/syck/token.c: removed YYTOKTMP references which

  were causing buffer overflows on large block scalars,
  comments, quoted scalars and plain scalars.

* ext/syck/rubyext.c: dynamic changing of buffer size.

* ext/syck/syck.h: default buffer size of 4k.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5032 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 2 deletions

diff --git a/ext/syck/syck.c b/ext/syck/syck.c
index 8d319379a3..c9aad7a8a5 100644
--- a/ext/syck/syck.c
+++ b/ext/syck/syck.c
@@ -71,9 +71,9 @@ syck_io_str_read( char *buf, SyckIoStr *str, long max_size, long skip )
     if ( max_size >= 0 )
     {
         max_size -= skip;
-        if ( max_size < 0 ) max_size = 0;
+        if ( max_size <= 0 )  max_size = 0;
+        else                  str->ptr += max_size - 1;
 
-        str->ptr += max_size;
         if ( str->ptr > str->end )
         {
             str->ptr = str->end;