diff options
Diffstat (limited to 'ext')
| -rw-r--r-- | ext/zlib/zlib.c | 5 |
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) { |