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From 807e2ee016386a396b7b57c3c675ff64e8b12f74 Mon Sep 17 00:00:00 2001
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From: Daryl Poe <daryl.poe@hp.com>
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Date: Thu, 25 Jul 2013 15:01:56 -0600
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Subject: [PATCH] cover the case of servers asking for cached bitmaps they have
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never defined
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---
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libfreerdp-cache/bitmap.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/libfreerdp-cache/bitmap.c b/libfreerdp-cache/bitmap.c
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index c1583ac..9ed241d 100644
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--- a/libfreerdp-cache/bitmap.c
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+++ b/libfreerdp-cache/bitmap.c
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@@ -33,6 +33,9 @@ void update_gdi_memblt(rdpContext* context, MEMBLT_ORDER* memblt)
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else
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bitmap = bitmap_cache_get(cache->bitmap, (uint8) memblt->cacheId, memblt->cacheIndex);
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+ /* XP-SP2 servers sometimes ask for cached bitmaps they've never defined. */
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+ if (bitmap == NULL) return;
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+
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memblt->bitmap = bitmap;
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IFCALL(cache->bitmap->MemBlt, context, memblt);
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}
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@@ -47,6 +50,9 @@ void update_gdi_mem3blt(rdpContext* context, MEM3BLT_ORDER* mem3blt)
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else
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bitmap = bitmap_cache_get(cache->bitmap, (uint8) mem3blt->cacheId, mem3blt->cacheIndex);
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+ /* XP-SP2 servers sometimes ask for cached bitmaps they've never defined. */
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+ if (bitmap == NULL) return;
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+
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mem3blt->bitmap = bitmap;
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IFCALL(cache->bitmap->Mem3Blt, context, mem3blt);
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}
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--
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2.5.0
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