From 4e4dc9b3e73342bc92902cdb4fab25a30ea66eff Mon Sep 17 00:00:00 2001 From: DRC Date: Wed, 15 Jun 2011 02:09:59 +0000 Subject: [PATCH] Attempt to fix 3305357 (Enabling custom compression level on client crashes server) git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/branches/1_1@4499 3789f03b-4d11-0410-bbf8-ca57d06f2519 --- common/rdr/ZlibOutStream.cxx | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/common/rdr/ZlibOutStream.cxx b/common/rdr/ZlibOutStream.cxx index f60a620b..c39aa55d 100644 --- a/common/rdr/ZlibOutStream.cxx +++ b/common/rdr/ZlibOutStream.cxx @@ -88,8 +88,6 @@ void ZlibOutStream::flush() // fprintf(stderr,"zos flush: calling deflate, avail_in %d, avail_out %d\n", // zs->avail_in,zs->avail_out); checkCompressionLevel(); - int rc = deflate(zs, Z_SYNC_FLUSH); - if (rc != Z_OK) throw Exception("ZlibOutStream: deflate failed"); // fprintf(stderr,"zos flush: after deflate: %d bytes\n", // zs->next_out-underlying->getptr()); @@ -122,8 +120,6 @@ int ZlibOutStream::overrun(int itemSize, int nItems) // zs->avail_in,zs->avail_out); checkCompressionLevel(); - int rc = deflate(zs, 0); - if (rc != Z_OK) throw Exception("ZlibOutStream: deflate failed"); // fprintf(stderr,"zos overrun: after deflate: %d bytes\n", // zs->next_out-underlying->getptr()); @@ -155,9 +151,15 @@ int ZlibOutStream::overrun(int itemSize, int nItems) void ZlibOutStream::checkCompressionLevel() { if (newLevel != compressionLevel) { - if (deflateParams (zs, newLevel, Z_DEFAULT_STRATEGY) != Z_OK) { + int rc = deflate(zs, Z_SYNC_FLUSH); + if (rc != Z_OK) + throw Exception("ZlibOutStream: deflate failed"); + if (deflateParams (zs, newLevel, Z_DEFAULT_STRATEGY) != Z_OK) throw Exception("ZlibOutStream: deflateParams failed"); - } compressionLevel = newLevel; + } else { + int rc = deflate(zs, Z_SYNC_FLUSH); + if (rc != Z_OK) + throw Exception("ZlibOutStream: deflate failed"); } } -- 2.39.5