diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | ext/zlib/zlib.c | 5 |
2 files changed, 9 insertions, 0 deletions
@@ -1,3 +1,7 @@ +Mon Apr 18 11:25:14 2005 Hirokazu Yamamoto <ocean@m2.ccsnet.ne.jp> + + * ext/zlib/zlib.c (zstream_run): fixed SEGV. [ruby-core:4712] + Sun Apr 17 23:57:49 2005 Nobuyoshi Nakada <nobu@ruby-lang.org> * ext/extmk.rb (extmake, parse_args): do not expand destdir. diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c index 98f60cbcb..c8c4407d0 100644 --- a/ext/zlib/zlib.c +++ b/ext/zlib/zlib.c @@ -706,6 +706,7 @@ zstream_run(z, src, len, flush) { uInt n; int err; + volatile VALUE guard; if (NIL_P(z->input) && len == 0) { z->stream.next_in = ""; @@ -715,6 +716,10 @@ 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) { |