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* ext/zlib/zlib.c (zstream_run): previous change didn't resolve the

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problem.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21861 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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usa 2009-01-28 15:26:03 +00:00
parent f80356eb91
commit 17bd806aea
2 changed files with 9 additions and 1 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Thu Jan 29 00:24:48 2009 NAKAMURA Usaku <usa@ruby-lang.org>
* ext/zlib/zlib.c (zstream_run): previous change didn't resolve the
problem.
Wed Jan 28 22:51:12 2009 NAKAMURA Usaku <usa@ruby-lang.org>
* ext/zlib/zlib.c (zstream_run): desperately guard the variable.

5
ext/zlib/zlib.c
View file

@ -708,7 +708,7 @@ zstream_run(struct zstream *z, Bytef *src, uInt len, int flush)
/* keep reference to `z->input' so as not to be garbage collected
after zstream_reset_input() and prevent `z->stream.next_in'
from dangling. */
RB_GC_GUARD(guard) = z->input;
guard = z->input;
}
if (z->stream.avail_out == 0) {
@ -716,6 +716,9 @@ zstream_run(struct zstream *z, Bytef *src, uInt len, int flush)
}
for (;;) {
/* VC allocates err and guard to same address. accessing err and guard
in same scope prevents it. */
RB_GC_GUARD(guard);
n = z->stream.avail_out;
err = z->func->run(&z->stream, flush);
z->buf_filled += n - z->stream.avail_out;