strcmp傳入nil致使崩潰

現象:鏈接電腦能夠正常啓動程序,不鏈接電腦啓動程序就崩潰。app

崩潰信息:spa

BSXPCMessage received error for message: Connection invalidit

HW kbd: Failed to set (null) as keyboard focusio

UNNotificationRegistrarConnectionListener connection invalidatedclass

UNNotificationSchedulerConnectionListener connection invalidateddate

com.apple.xpc.launchd[1] (UIKitApplication:com.wuba.zhuanzhuan[0x58ac][1073]) <Notice>: Service exited due to signal: Segmentation fault: 11List

這種崩潰信息比較浪,致使這種崩潰的可能性比較多,最終定位問題是程序中用了一個c的方法 strcmp,緣由是向這個方法中傳遞的參數中有nil,因此致使崩潰。程序

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