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authorocean <ocean@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2005-04-18 02:34:20 +0000
committerocean <ocean@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2005-04-18 02:34:20 +0000
commit4605d6bc417b0fcbcc29e8f5a35f127c404aa938 (patch)
treee6d8bdb135123dacacb41dedadbda53bef5c7dfa /ext/zlib/zlib.c
parent3403d175d9150734055c8f576c54e0fdad42d5ad (diff)
* ext/zlib/zlib.c (zstream_run): fixed SEGV. [ruby-core:4712]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8345 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/zlib/zlib.c')
-rw-r--r--ext/zlib/zlib.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c
index 15f90681f8..b05e5264c5 100644
--- a/ext/zlib/zlib.c
+++ b/ext/zlib/zlib.c
@@ -709,6 +709,7 @@ zstream_run(z, src, len, flush)
{
uInt n;
int err;
+ volatile VALUE guard;
if (NIL_P(z->input) && len == 0) {
z->stream.next_in = "";
@@ -718,6 +719,10 @@ zstream_run(z, src, len, flush)
zstream_append_input(z, src, len);
z->stream.next_in = RSTRING(z->input)->ptr;
z->stream.avail_in = RSTRING(z->input)->len;
+ /* keep reference to `z->input' so as not to be garbage collected
+ after zstream_reset_input() and prevent `z->stream.next_in'
+ from dangling. */
+ guard = z->input;
}
if (z->stream.avail_out == 0) {