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在ios上使用zlib时出错_Ios_Zlib - Fatal编程技术网

在ios上使用zlib时出错

在ios上使用zlib时出错,ios,zlib,Ios,Zlib,这是我用来读取压缩资源文件并将解压缩数据写入documents目录中文件的代码: - (void)setupPFile { dispatch_async(dispatch_get_global_queue(0, 0), ^{ NSString* documentsPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];

这是我用来读取压缩资源文件并将解压缩数据写入documents目录中文件的代码:

- (void)setupPFile
{
    dispatch_async(dispatch_get_global_queue(0, 0), ^{
        NSString* documentsPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
        NSString* passwordsFile = [documentsPath stringByAppendingPathComponent:@"p.txt"];
        BOOL fileExists = [[NSFileManager defaultManager] fileExistsAtPath:passwordsFile];

        if (!fileExists) {
            NSString *resourceDictPass = DICTIONARY_FILE;
            NSString *resourcePath = [[NSBundle mainBundle] pathForResource:resourceDictPass ofType:@"gz"];
            NSData *fileCompressedData= [NSData dataWithContentsOfFile:resourcePath];
            NSError *error = nil;
            [fileCompressedData writeInflatedToFile:passwordsFile error:&error];
            if (error) {
                NSLog(@"error uncompressing passwords file");
                return;
            }
        }

    });
}
这是我得到的错误:

Printing description of error:
Error Domain=se.bitba.ZlibErrorDomain Code=2 "The operation couldn’t be completed. (se.bitba.ZlibErrorDomain error 2.)"
我使用的是我在这里推荐的NSData+zlib类别。
如何调试此错误?

查看源代码并查看错误产生的位置。在writeInflatedToFileSo中,找出发生了什么,以及错误产生的原因。我如何否决您的意见?大约95%的编程是“找出发生了什么”。如果你觉得自己做不到这一点,你应该找另一份工作。