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## NSTemporaryDirectory_return_nil.md

      
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                4ch12dy
                / NSTemporaryDirectory_return_nil.md
            
            
              Created
              May 6, 2023 02:55
            
              
                NSTemporaryDirectory return nil？
              
          
    在测试一个插件的时候，发现在iOS14上启动就会触发崩溃。跟了一下，发现如下报错
*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSURL initFileURLWithPath:isDirectory:]: nil string parameter'

崩溃的堆栈：
frame #9: 0x0000000197c5ec7c libobjc.A.dylib`objc_exception_throw + 352
frame #10: 0x000000018545cfd0 Foundation`-[NSURL(NSURL) initFileURLWithPath:isDirectory:] + 604
frame #11: 0x000000018545cd68 Foundation`+[NSURL(NSURL) fileURLWithPath:isDirectory:] + 44
frame #12: 0x000000018547c5e0 Foundation`-[NSFileManager _URLForReplacingItemAtURL:error:] + 144


## calling_printf_osx.c
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <mach-o/dyld.h>
#include <mach-o/nlist.h>
#include <mach-o/dyld_images.h>
#include <mach/mach_vm.h>

/* Dyld is the OSX Dynamic Linker
 * /usr/include//mach-o/loader.h
	#include <string.h>
	#include <stdlib.h>
	#include <unistd.h>
	#include <mach-o/dyld.h>
	#include <mach-o/nlist.h>
	#include <mach-o/dyld_images.h>
	#include <mach/mach_vm.h>

	/* Dyld is the OSX Dynamic Linker
	* /usr/include//mach-o/loader.h