From 8b3c4c2cdee3956f76fda67b24849854ae0e93bd Mon Sep 17 00:00:00 2001
From: DreamPiggy <lizhuoli1126@126.com>
Date: Fri, 29 Dec 2017 12:52:29 +0800
Subject: [PATCH] Fix Clang Static Analyzer warning for number nil check from
 Xcode 9.2

---
 .../xcshareddata/xcschemes/SDWebImage OSX Demo.xcscheme     | 2 +-
 .../xcshareddata/xcschemes/SDWebImage TV Demo.xcscheme      | 2 +-
 .../xcshareddata/xcschemes/SDWebImage Watch Demo.xcscheme   | 2 +-
 .../xcshareddata/xcschemes/SDWebImage OSX.xcscheme          | 2 +-
 .../xcshareddata/xcschemes/SDWebImage iOS static.xcscheme   | 2 +-
 .../xcshareddata/xcschemes/SDWebImage iOS.xcscheme          | 2 +-
 .../xcshareddata/xcschemes/SDWebImage tvOS.xcscheme         | 2 +-
 .../xcschemes/SDWebImage watchOS static.xcscheme            | 2 +-
 .../xcshareddata/xcschemes/SDWebImage watchOS.xcscheme      | 2 +-
 .../xcshareddata/xcschemes/SDWebImage iOS Demo.xcscheme     | 2 +-
 SDWebImage/SDWebImageGIFCoder.m                             | 6 +++---
 .../xcshareddata/xcschemes/Tests.xcscheme                   | 2 +-
 12 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/Examples/SDWebImage Demo.xcodeproj/xcshareddata/xcschemes/SDWebImage OSX Demo.xcscheme b/Examples/SDWebImage Demo.xcodeproj/xcshareddata/xcschemes/SDWebImage OSX Demo.xcscheme
index bac8231c..c0915c9f 100644
--- a/Examples/SDWebImage Demo.xcodeproj/xcshareddata/xcschemes/SDWebImage OSX Demo.xcscheme	
+++ b/Examples/SDWebImage Demo.xcodeproj/xcshareddata/xcschemes/SDWebImage OSX Demo.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "0920"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Examples/SDWebImage Demo.xcodeproj/xcshareddata/xcschemes/SDWebImage TV Demo.xcscheme b/Examples/SDWebImage Demo.xcodeproj/xcshareddata/xcschemes/SDWebImage TV Demo.xcscheme
index 2b00ffd1..07dc4c0c 100644
--- a/Examples/SDWebImage Demo.xcodeproj/xcshareddata/xcschemes/SDWebImage TV Demo.xcscheme	
+++ b/Examples/SDWebImage Demo.xcodeproj/xcshareddata/xcschemes/SDWebImage TV Demo.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "0920"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Examples/SDWebImage Demo.xcodeproj/xcshareddata/xcschemes/SDWebImage Watch Demo.xcscheme b/Examples/SDWebImage Demo.xcodeproj/xcshareddata/xcschemes/SDWebImage Watch Demo.xcscheme
index f42b598b..7b6f8fb5 100644
--- a/Examples/SDWebImage Demo.xcodeproj/xcshareddata/xcschemes/SDWebImage Watch Demo.xcscheme	
+++ b/Examples/SDWebImage Demo.xcodeproj/xcshareddata/xcschemes/SDWebImage Watch Demo.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "0920"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage OSX.xcscheme b/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage OSX.xcscheme
index ce441755..703894ed 100644
--- a/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage OSX.xcscheme	
+++ b/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage OSX.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "0920"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage iOS static.xcscheme b/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage iOS static.xcscheme
index 78fc7314..6acfdae8 100644
--- a/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage iOS static.xcscheme	
+++ b/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage iOS static.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "0920"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage iOS.xcscheme b/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage iOS.xcscheme
index 34e94a31..042f8b28 100644
--- a/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage iOS.xcscheme	
+++ b/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage iOS.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "0920"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage tvOS.xcscheme b/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage tvOS.xcscheme
index b0d87159..9531bb10 100644
--- a/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage tvOS.xcscheme	
+++ b/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage tvOS.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "0920"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage watchOS static.xcscheme b/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage watchOS static.xcscheme
index b4c2c1c1..3b5a1a6d 100644
--- a/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage watchOS static.xcscheme	
+++ b/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage watchOS static.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "0920"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage watchOS.xcscheme b/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage watchOS.xcscheme
index 492de810..3ee46b83 100644
--- a/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage watchOS.xcscheme	
+++ b/SDWebImage.xcodeproj/xcshareddata/xcschemes/SDWebImage watchOS.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "0920"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/SDWebImage.xcworkspace/xcshareddata/xcschemes/SDWebImage iOS Demo.xcscheme b/SDWebImage.xcworkspace/xcshareddata/xcschemes/SDWebImage iOS Demo.xcscheme
index dae05c98..b7da4063 100644
--- a/SDWebImage.xcworkspace/xcshareddata/xcschemes/SDWebImage iOS Demo.xcscheme	
+++ b/SDWebImage.xcworkspace/xcshareddata/xcschemes/SDWebImage iOS Demo.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0910"
+   LastUpgradeVersion = "0920"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/SDWebImage/SDWebImageGIFCoder.m b/SDWebImage/SDWebImageGIFCoder.m
index 005f2b89..69172104 100644
--- a/SDWebImage/SDWebImageGIFCoder.m
+++ b/SDWebImage/SDWebImageGIFCoder.m
@@ -77,7 +77,7 @@
         NSDictionary *gifProperties = [imageProperties valueForKey:(__bridge_transfer NSString *)kCGImagePropertyGIFDictionary];
         if (gifProperties) {
             NSNumber *gifLoopCount = [gifProperties valueForKey:(__bridge_transfer NSString *)kCGImagePropertyGIFLoopCount];
-            if (gifLoopCount) {
+            if (gifLoopCount != nil) {
                 loopCount = gifLoopCount.unsignedIntegerValue;
             }
         }
@@ -99,11 +99,11 @@
     NSDictionary *gifProperties = frameProperties[(NSString *)kCGImagePropertyGIFDictionary];
     
     NSNumber *delayTimeUnclampedProp = gifProperties[(NSString *)kCGImagePropertyGIFUnclampedDelayTime];
-    if (delayTimeUnclampedProp) {
+    if (delayTimeUnclampedProp != nil) {
         frameDuration = [delayTimeUnclampedProp floatValue];
     } else {
         NSNumber *delayTimeProp = gifProperties[(NSString *)kCGImagePropertyGIFDelayTime];
-        if (delayTimeProp) {
+        if (delayTimeProp != nil) {
             frameDuration = [delayTimeProp floatValue];
         }
     }
diff --git a/Tests/SDWebImage Tests.xcodeproj/xcshareddata/xcschemes/Tests.xcscheme b/Tests/SDWebImage Tests.xcodeproj/xcshareddata/xcschemes/Tests.xcscheme
index c03d5519..ea46472f 100644
--- a/Tests/SDWebImage Tests.xcodeproj/xcshareddata/xcschemes/Tests.xcscheme	
+++ b/Tests/SDWebImage Tests.xcodeproj/xcshareddata/xcschemes/Tests.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "0920"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"