From 76b981aa2a7542e71220f737f2a8c8a22ab0d740 Mon Sep 17 00:00:00 2001
From: mbuchner <martin.buchner@igd.fraunhofer.de>
Date: Mon, 12 Feb 2018 10:52:49 +0100
Subject: [PATCH] Make MemoryIOStream::Seek accept pos=length as valid

Fixes assimp/assimp#1781.
---
 include/assimp/MemoryIOWrapper.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/assimp/MemoryIOWrapper.h b/include/assimp/MemoryIOWrapper.h
index 0e9b23447..bfcfff9c2 100644
--- a/include/assimp/MemoryIOWrapper.h
+++ b/include/assimp/MemoryIOWrapper.h
@@ -99,19 +99,19 @@ public:
     // Seek specific position
     aiReturn Seek(size_t pOffset, aiOrigin pOrigin) {
         if (aiOrigin_SET == pOrigin) {
-            if (pOffset >= length) {
+            if (pOffset > length) {
                 return AI_FAILURE;
             }
             pos = pOffset;
         }
         else if (aiOrigin_END == pOrigin) {
-            if (pOffset >= length) {
+            if (pOffset > length) {
                 return AI_FAILURE;
             }
             pos = length-pOffset;
         }
         else {
-            if (pOffset+pos >= length) {
+            if (pOffset+pos > length) {
                 return AI_FAILURE;
             }
             pos += pOffset;