summaryrefslogtreecommitdiff
path: root/libjava
diff options
context:
space:
mode:
authorbryce <bryce@138bc75d-0d04-0410-961f-82ee72b054a4>2000-12-18 01:00:23 +0000
committerbryce <bryce@138bc75d-0d04-0410-961f-82ee72b054a4>2000-12-18 01:00:23 +0000
commit192a140f620bc445e1e5c003b4b73aeec8300498 (patch)
tree2c89124ad90aef0b64a24158bf0d3bd96f0d669f /libjava
parent16de2a826a3f6e7011d6bf6544b8b55ca288f969 (diff)
downloadgcc-192a140f620bc445e1e5c003b4b73aeec8300498.tar.gz
* java/util/zip/natInflater.cc (inflate): Treat Z_BUF_ERROR as
end-of-stream if avail_in is 0. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38338 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava')
-rw-r--r--libjava/ChangeLog5
-rw-r--r--libjava/java/util/zip/natInflater.cc15
2 files changed, 15 insertions, 5 deletions
diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index b19f7dcb163..1bbb6faec23 100644
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@@ -1,3 +1,8 @@
+2000-12-18 Bryce McKinlay <bryce@albatross.co.nz>
+
+ * java/util/zip/natInflater.cc (inflate): Treat Z_BUF_ERROR as
+ end-of-stream if avail_in is 0.
+
2000-12-17 Bryce McKinlay <bryce@albatross.co.nz>
* java/util/ArrayList.java (data): Declare transient.
diff --git a/libjava/java/util/zip/natInflater.cc b/libjava/java/util/zip/natInflater.cc
index f3d258cdd59..a9768fce77d 100644
--- a/libjava/java/util/zip/natInflater.cc
+++ b/libjava/java/util/zip/natInflater.cc
@@ -106,6 +106,16 @@ java::util::zip::Inflater::inflate (jbyteArray buf, jint off, jint len)
switch (::inflate (s, Z_SYNC_FLUSH))
{
+ case Z_BUF_ERROR:
+ /* Using the no_header option, zlib requires an extra padding byte at the
+ end of the stream in order to successfully complete decompression (see
+ zlib/contrib/minizip/unzip.c). We don't do this, so can end up with a
+ Z_BUF_ERROR at the end of a stream when zlib has completed inflation
+ and there's no more input. Thats not a problem. */
+ if (s->avail_in != 0)
+ throw new java::lang::InternalError;
+ // Fall through.
+
case Z_STREAM_END:
is_finished = true;
if (s->avail_out == (unsigned int) len)
@@ -125,11 +135,6 @@ java::util::zip::Inflater::inflate (jbyteArray buf, jint off, jint len)
_Jv_Throw (new java::lang::OutOfMemoryError);
break;
- case Z_BUF_ERROR:
- // FIXME?
- _Jv_Throw (new java::lang::InternalError);
- break;
-
case Z_OK:
break;
}