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mono-core/mono-bug-28777.patch
2015-05-20 10:52:00 +00:00

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From 2dcdfe76d02fed91b71e5b49b6028c6c82e10d4c Mon Sep 17 00:00:00 2001
From: Gabriel Garcia <garciat@live.com>
Date: Mon, 6 Apr 2015 13:59:43 -0400
Subject: [PATCH] [System] Fix DeflateStream throw on empty flush, double
flush. Fixes #28777
diff --git a/support/zlib-helper.c b/support/zlib-helper.c
index 8345541..3869626 100644
--- a/support/zlib-helper.c
+++ b/support/zlib-helper.c
@@ -90,6 +90,8 @@ CreateZStream (gint compress, guchar gzip, read_write_func func, void *gchandle)
result->gchandle = gchandle;
result->compress = compress;
result->buffer = g_new (guchar, BUFFER_SIZE);
+ result->stream->next_out = result->buffer;
+ result->stream->avail_out = BUFFER_SIZE;
return result;
}
@@ -148,7 +150,7 @@ flush_internal (ZStream *stream, gboolean is_final)
if (!stream->compress)
return 0;
- if (!is_final) {
+ if (!is_final && stream->stream->avail_in != 0) {
status = deflate (stream->stream, Z_PARTIAL_FLUSH);
if (status != Z_OK && status != Z_STREAM_END)
return status;