From f21ac99ef95f7b5737308858bbbde9e28de26a5f Mon Sep 17 00:00:00 2001 From: nagachika Date: Mon, 8 Oct 2012 16:40:19 +0000 Subject: * ext/zlib/zlib.c (zstream_run_func): don't call inflate() when z->stream.avail_in == 0. it return Z_BUF_ERROR. but deflate() could be called with z->stream->avail_in == 0 because it has hidden buffer in z->stream->state (opaque structure). fix for gem install error. [ruby-dev:46149] [Bug #7040] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37119 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/zlib/zlib.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'ext/zlib') diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c index 6135e8259d..8c3d84d4a3 100644 --- a/ext/zlib/zlib.c +++ b/ext/zlib/zlib.c @@ -990,6 +990,14 @@ zstream_run_func(void *ptr) break; } + if (z->stream.avail_in == 0 && z->func == &inflate_funcs) { + /* break here because inflate() return Z_BUF_ERROR when avail_in == 0. */ + /* but deflate() could be called with avail_in == 0 (there's hidden buffer + in zstream->state) */ + z->flags |= ZSTREAM_FLAG_IN_STREAM; + break; + } + if (args->stream_output) { state = (int)(VALUE)rb_thread_call_with_gvl(zstream_expand_buffer_protect, (void *)z); -- cgit v1.2.3