Xcode warning: if directoryCreated is false, we can’t call writeToFile:atomically:encoding:error:

2017-01-28 22:47:43 +08:00
parent e3fdfed61a
commit 23db0c4b7d
2 changed files with 8 additions and 4 deletions
@@ -848,8 +848,10 @@
        NSString *temporaryDirectoryName = [[NSUUID UUID] UUIDString];
        NSString *temporaryDirectory = [NSTemporaryDirectory() stringByAppendingPathComponent:temporaryDirectoryName];
        BOOL directoryCreated = [[NSFileManager defaultManager] createDirectoryAtPath:temporaryDirectory withIntermediateDirectories:YES attributes:nil error:nil];
-        discardableFilePath = directoryCreated ? [temporaryDirectory stringByAppendingPathComponent:discardableFileName] : nil;
-        [@"" writeToFile:discardableFilePath atomically:YES encoding:NSUTF8StringEncoding error:nil];
+        if (directoryCreated) {
+            discardableFilePath = [temporaryDirectory stringByAppendingPathComponent:discardableFileName];
+            [@"" writeToFile:discardableFilePath atomically:YES encoding:NSUTF8StringEncoding error:nil];
+        }
    });
    return discardableFilePath;
 }