. If the misaligned pointer is dereferenced, the program may terminate abnormally. zx4428. Pretty sure qira's install is just pulling the latest qemu tarball and compiling from what I can tell (could be wrong). install gcc-5.1.0 0) wget tar zxvf gcc-5.1.0.tar.gz cd gcc-5.1.0 ./contrib/download_prerequisites mkdir build cd build ../configure --enable-languages=c,c++ --p… Contributor I. [ Log in to get rid of this advertisement] hi everyone! error: dereferencing pointer to incomplete type 'RSA {aka struct rsa_st}' error: dereferencing pointer to incomplete type ‘RSA {aka struct rsa_st}’ 编译openwrt CC版本时,出现以下问题,折腾了好久,终于google出了解决办法。 原因是安装更新了openssl,新版本的API做了些改动。 error: dereferencing pointer to incomplete type ‘RSA {aka struct rsa_st}’ 编译openwrt CC版本时,出现以下问题,折腾了好久,终于google出了解决办法。 原因是安装更新了openssl,新版本的API做了些改动。 ... 编译gcc/g++源码, dereferencing pointer to incomplete type 'struct ucontext' Mail-followup-to: [email protected]. Compilation fails with current Artful toolchain #17. suaefar closed this on Aug 27, 2017. zeule mentioned this issue on Oct 9, 2017. And hence is left a pointer to a yet undefined structure, which the compiler gladly accepts until you try to dereference it. drm: DRM_I915_VBLANK_SWAP ioctl: Take drm_vblank_seq_type_t instead drm: Make handling of dev_priv->vblank_pipe more robust. While compiling a c program it displays a message like "array type has incomplete element type". That first suggestion did what it was supposed to do. The trick is how to get that predeclare correct so looptree can be defined before the struct but as a pointer to it. The prior is consistent with C; the latter is consistent with Python. 0. TypeIndex: * Maintenance work, including CI integration with inspect tool. If the resulting pointer is not correctly aligned for the referenced type, the behavior is undefined. dereferencing pointer to incomplete type ‘struct task_struct’ build gcc ./md-unwind-support.h:65:47: error: dereferencing pointer to incomplete type ‘struct ucont 编译gcc/g++源码, dereferencing pointer to incomplete type 'struct ucontext' Pointer handling however I'm not sold on. kernel-headers-3.10.0-1062.18.1.el7.x86_64.rpm . For example: MY_STRUCT info = { 1, 3.141593F }; MY_STRUCT *instance = &info; When the pointer is valid, we can dereference it to access its members using one of two different notations: int a = (*instance).my_int; float b = instance->my_float; Pastebin.com is the number one paste tool since 2002. Update to compile gcc 7.2.0 #9. Mark as New. i get 'dereferencing pointer to incomplete type' on compilation inside the func() Code: #include The mission of the CVE Program is to identify, define, and catalog publicly disclosed cybersecurity vulnerabilities. See undefined behavior 25. This statement: Code: iphdr = (struct iphdr *) ( (char *)ethhdr + sizeof (struct ethhdr)); Is complete insane. Any body can provide a solution for it. dereferencing pointer to incomplete type ‘struct task_struct’ 编译gcc/g++源码, dereferencing pointer to incomplete type 'struct ucontext' build gcc ./md-unwind-support.h:65:47: error: dereferencing pointer to incomplete type ‘struct ucont aggregate ‘sigaltstack handler_stack’ has incomplete type and cannot be defined struct sigaltstack handler_stack; 意思都是一个意思,这里可以借鉴Fix sanitizer build against latest glibc这个网址的方法,在这个网址的最后有修改前后的对比图,详细的展示了如何修改. This RFC is based KVM RFC [1]. This means that you only say that it is a pointer type such that a pointer of this type points to a struct point, but the definition of struct point is not provided. So define left as "struct Node*" and everything will be fine. Solution 1. From: Ben Hutchings <> Date: Sun, 14 Oct 2018 16:25:40 +0100: Subject [PATCH 3.16 014/366] um: Use POSIX ucontext_t instead of struct ucontext Thus, at run time, the Factory Method can be passed a description of a desired object (e.g., a string read from user input) and return a base class pointer to a new instance of that object. [email protected] The reduced test case can be simplified to these steps: git co f1fe2d21f4e1aca8644cea888dc618f0183ad671\^1 configure your kernel ARCH=mips make arch/mips/kernel/signal.o From: Patrizio Bassi Date: Sat Oct 13 2007 - 07:34:15 EST Next message: Christoph Hellwig: "Re: [PATCH] v4l: copy_to_user() is not a good method name" Previous message: Nigel Cunningham: "Re: Current Linus' git compilation breakage." For example on GCC, with no assignment in sight: incompletetype.c:6: error: dereferencing pointer to incomplete type. The error is at line 6, that's where I used an incomplete type as if it were a complete type. I was fine up until then. I managed to fix and have everything working, just want to share, in case someone else face the same issues. 关于dereferencing pointer to incomplete type错误. Dear colleagues, One of my friend have a problem with c code. error: dereferencing pointer to incomplete type 'struct ucontext' ... 改为 struct ucontext_t *uc_ = context->cfa; aggregate ‘sigaltstack handler_stack’ has incomplete type and cannot be defined struct sigaltstack handler_stack; is a pointer … All your code refers to a variable type nd defined as: C++. 1. error: dereferencing pointer to incomplete type. This means that the compiler couldn't find a definition of the struct within the translation unit where you made that access - it could only find a declaration. struct Node * next; is as it turns out, a pointer to a type that wasn't previously defined at the point where you declared it. ... In an example this simple, Matir's approach looks better, because it avoids the need for any pre declaration. error: dereferencing pointer to incomplete type ‘RSA {aka struct rsa_st}’. The SEV feature allows. GitHub Gist: instantly share code, notes, and snippets. Accept Solution Reject Solution. +Desc: selinux: add SOCK_DIAG_BY_FAMILY to the list of netlink message types + typedef struct node *nd; In this case nd defines a pointer to an 'incomplete' node structure. Copy Code. dereferencing pointer to incomplete type ‘struct task_struct’,代码先锋网,一个为软件开发程序员提供代码片段和技术文章聚合的网站。 [-- Attachment #1: Type: text/plain, Size: 1542 bytes --] On 06/20/2012 06:45 AM, Bhupesh SHARMA wrote: > Hi David, > >> -----Original Message----- >> From: David Miller [mailto:[email protected]] >> Sent: Wednesday, June 20, 2012 10:07 AM >> To: Bhupesh SHARMA >> Cc: [email protected]; [email protected]; linux- >> [email protected]; [email protected]; >> … I located any spot that was creating a struct called "ucontext" and replaced it with "ucontext_t" to fix the issue. md-unwind-support.h 第61行,struct ucontext *uc_ = context->cfa;修改为struct ucontext_t *uc_ = context->cfa;--问题2. Ativa 2 anos, 11 meses atrás. Fri Jun 13 13:13:02 2003 Balachandran Natarajan * bin/make_release: Remeved the generation of a README file in TAO/orbsvcs. by using POSIX ucontext_t. Hi I'm been trying to make Jabberd-1.4.2 on Windows XP from within Cygwin and I continue to get errors (see below) when it tries to make pth-1.4.0. 编译openwrt CC版本时,出现以下问题,折腾了好久,终于google出了解决办法。. Compile the gcc / g ++ source code, dereferencing pointer to incomplete type 'struct ucontext' Popular Posts Spring Security topic from entry to source code analysis (5) core filter linux (4.19.37-2) unstable; urgency=high * debian/bin: Fix Python static checker regressions (Closes: #928618) * Clean up speculation mitigations: - Documentation/l1tf: Fix small spelling typo - x86/cpu: Sanitize FAM6_ATOM naming - kvm: x86: Report STIBP on GET_SUPPORTED_CPUID - x86/msr-index: Cleanup bit defines - x86/speculation: Consolidate CPU whitelists - Documentation: … Fri Jun 13 06:02:32 2003 Balachandran Natarajan * ace/Template_Instantiations.cpp: Removed the explicit template instantiations introduced by this change "Thu Jun 12 15:20:37 2003 Balachandran … Merged. The Factory Method defines a method for creating the objects, which subclasses can then override to specify the derived type that will be created. Similarly we can specify the replacement of the val label, the static variable, or the local variable; each one will only affect the relevant identifiers.. If I create struct like this. 2.6.23-git3 compilation broken, asm headers missing? how can i fix the following? Older versions of vc++ before 14.0 and gcc prior to 4.8 may fail. In your header, you declared point_t to be an opaque pointer type. I tried to install qira on a debian based distro...I faced some errors, probably due to some libs/package misalignment. are {,u}intmax_t which in Cosmopolitan is 128-bit. Clozure CL is a fast, mature, open source Common Lisp implementation that runs on Linux, Mac OS X, FreeBSD, and Windows. Before building, you’ll need to customize at least one of the variables exported by gcc-build-vars.sh. I'd argue that the very cumbersome pointer handling in Rust is a feature, not a bug. Step 3: Customize the Build Variables. Implementations derived from UNIX System V support the signal function, which provides the old unreliable-signal semantics. GCC Bugzilla – Bug 81712 gcc does not compile when using glib 2.26 (everything works fine with 2.25) Last modified: 2017-11-19 11:41:20 UTC sanitizer_stoptheworld_linux_libcdep.cc:276:22: error: aggregate ‘sigaltstack handler_stack’ has incomplete type and cannot be defined struct bar *baz; }; struct foo f->baz->something = somethingelse; Here, we have no idea what "struct bar" contains, because it's not defined anywhere. Some styles failed to load. In linux_unwind.h you have to change struct ucontext *uc_ = context->cfa; on line 61 to struct ucontext_t *uc_ = context->cfa; Closed. It's relying on typecasting a pointer of a structure, jumping over the size of itself and assuming that the next spot in memory. I've seen this mentioned before in this list but I can't fix it. error: dereferencing pointer to incomplete type 'struct ucontext' sc = (stru 65行 struct ucontext * uc_ = context->cfa; 改成 struct ucontext_t * uc_ = context->cfa; 解决 编译 错误 :dereferencing pointer to incomplete type 的 办法 Don't Live For Others Quotes,
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Clozure CL was forked from Macintosh Common Lisp (MCL) in 1998 and the development has been entirely separate since. CSDN问答为您找到Installation error相关问题答案,如果想了解更多关于Installation error技术问题等相关问答,请访问CSDN问答。 Code: packetbuf_copyfrom (fmsg, 8); and from the other end I can easily get those two values. RTEMS Kernel, file-systems, drivers, BSPs, samples, and testsuite. For example, void *ptr; void is an incomplete type, so you cannot dereference ptr. Since you've just pasted in random definitions for us, and haven't actually shown us the real file you're working with, this is as good as it's going to get. I also get the same problem on NT. %'d or %,d may be used to insert thousands separators. Btw. struct ucontext { unsigned long uc_flags; struct ucontext *uc_link; stack_t uc_stack; struct sigcontext uc_mcontext; sigset_t uc_sigmask; /* mask last for extensibility */ }; I think we should stop using struct ucontext Use GCC 7.2 source code, since 7.1 is broken against glib 2.26. New applications should not use these unreliable signals. Gentoo's Bugzilla – Bug 629502 . dereferencing pointer to incomplete type Hello, I am making an application that implements doubly linked lists (each node has a pointer to the previous node and the next node), and I am am having trouble with the functions that service the list. Map your pointer into a clean and safe reference, slice or wrapper object ASAP and leave raw pointers to the messy details of C FFIs and ultra low-level code. error: dereferencing pointer to incomplete type 'struct ucontext'. - Bluetooth: Fix update of connection state in `hci_encrypt_cfm` (bnc#1012628). - RDMA/qedr: Add EDPM max size to alloc ucontext … Vista 2mil vezes. Pastebin is a website where you can store text online for a set period of time. error: dereferencing pointer to incomplete type 'struct ucontext' sc = (stru65行 struct ucontext * uc_ = context->cfa;改成struct ucontext_t * uc_ = context->cfa; Therefore, a pointer of this type cannot be dereferenced without separately providing the definition of struct point. drm: Core vsync: Add flag DRM_VBLANK_NEXTONMISS. md-unwind-support.h 第61行,struct ucontext *uc_ = context->cfa;修改为struct ucontext_t *uc_ = context->cfa;--问题2. This fixes: arch/um/os-Linux/signal.c: In function 'hard_handler': arch/um/os-Linux/signal.c:163:22: error: dereferencing pointer to incomplete type 'struct ucontext'. - RDMA/qedr: SRQ's bug fixes (bnc#1012628). [PATCH v6 4/6] mm/swapcache: support to handle the shadow entries Joonsoo Kim (Thu Nov 14 2019 - 19:48:32 EST) [PATCH v4 01/13] iommu: Change type of pasid to u32 Fenghua Yu (Mon May 04 2020 - 14:00:55 EST) [PATCH] checkpatch/coding-style: deprecate 80-column warning Joe Perches (Fri May 29 2020 - 19:12:21 EST) [RFC PATCH 3/3 v2] selftests/futex: add futex_swap selftest Peter Oskolkov … failed.20130513. openssl的版本如下. In your header, you declared point_t to be an opaque pointer type. This means that you only say that it is a pointer type such that a pointer of this type points to a struct point, but the definition of struct point is not provided. Therefore, a pointer of this type cannot be dereferenced without separately providing the definition of struct point. {. 3. 今天同事问了我一个问题,他make的时候报错,“第201 行:dereferencing pointer to incomplete type”,我随即查阅了很多资料,也没看出个所以然。 最后问题得到了解决,也懂得了原理,遂记录一下。 他的问题具体是这样。 The mission of the CVE Program is to identify, define, and catalog publicly disclosed cybersecurity vulnerabilities. boegel added this to the 3.6.3 milestone on Aug 18, 2018. boegel modified the milestones: 3.7.0, next release on Sep 22, 2018. boegel modified the milestones: 3.7.1, next release on Oct 10, 2018. the memory contents of a virtual machine (VM) to … 改成 struct ucontext_t * uc_ = context->cfa. 4.4BSD also provides the signal function, but it is defined in terms of the sigaction function, so using it under 4.4BSD provides the newer reliable-signal semantics. Bookmark. 最近走读分析qemu 后端block io实现代码,想在代码中添加打印调试信息,如下(block.c文件bdrv_open_common函数中添加1002,1003行,打印opts队里中所有元素的name和str): Preface Firstly, props to @LightBulbFun for an earlier thread "PowerMac G5 running Linux with a PowerPC virtual machine" which was inspiration to tackle MOL KVM and as stated in that thread, any record "On paper so to speak" is useful as there aren't a great deal of resources for this topic. A pointer to an object or incomplete type may be converted to a pointer to a different object or incomplete type. If the resulting pointer is not correctly aligned for the referenced type, the behavior is undefined. See undefined behavior 25. If the misaligned pointer is dereferenced, the program may terminate abnormally. 4.16-stable review patch. Virtualization (SEV) feature. Here is the code: #include . If the misaligned pointer is dereferenced, the program may terminate abnormally. zx4428. Pretty sure qira's install is just pulling the latest qemu tarball and compiling from what I can tell (could be wrong). install gcc-5.1.0 0) wget tar zxvf gcc-5.1.0.tar.gz cd gcc-5.1.0 ./contrib/download_prerequisites mkdir build cd build ../configure --enable-languages=c,c++ --p… Contributor I. [ Log in to get rid of this advertisement] hi everyone! error: dereferencing pointer to incomplete type 'RSA {aka struct rsa_st}' error: dereferencing pointer to incomplete type ‘RSA {aka struct rsa_st}’ 编译openwrt CC版本时,出现以下问题,折腾了好久,终于google出了解决办法。 原因是安装更新了openssl,新版本的API做了些改动。 error: dereferencing pointer to incomplete type ‘RSA {aka struct rsa_st}’ 编译openwrt CC版本时,出现以下问题,折腾了好久,终于google出了解决办法。 原因是安装更新了openssl,新版本的API做了些改动。 ... 编译gcc/g++源码, dereferencing pointer to incomplete type 'struct ucontext' Mail-followup-to: [email protected]. Compilation fails with current Artful toolchain #17. suaefar closed this on Aug 27, 2017. zeule mentioned this issue on Oct 9, 2017. And hence is left a pointer to a yet undefined structure, which the compiler gladly accepts until you try to dereference it. drm: DRM_I915_VBLANK_SWAP ioctl: Take drm_vblank_seq_type_t instead drm: Make handling of dev_priv->vblank_pipe more robust. While compiling a c program it displays a message like "array type has incomplete element type". That first suggestion did what it was supposed to do. The trick is how to get that predeclare correct so looptree can be defined before the struct but as a pointer to it. The prior is consistent with C; the latter is consistent with Python. 0. TypeIndex: * Maintenance work, including CI integration with inspect tool. If the resulting pointer is not correctly aligned for the referenced type, the behavior is undefined. dereferencing pointer to incomplete type ‘struct task_struct’ build gcc ./md-unwind-support.h:65:47: error: dereferencing pointer to incomplete type ‘struct ucont 编译gcc/g++源码, dereferencing pointer to incomplete type 'struct ucontext' Pointer handling however I'm not sold on. kernel-headers-3.10.0-1062.18.1.el7.x86_64.rpm . For example: MY_STRUCT info = { 1, 3.141593F }; MY_STRUCT *instance = &info; When the pointer is valid, we can dereference it to access its members using one of two different notations: int a = (*instance).my_int; float b = instance->my_float; Pastebin.com is the number one paste tool since 2002. Update to compile gcc 7.2.0 #9. Mark as New. i get 'dereferencing pointer to incomplete type' on compilation inside the func() Code: #include The mission of the CVE Program is to identify, define, and catalog publicly disclosed cybersecurity vulnerabilities. See undefined behavior 25. This statement: Code: iphdr = (struct iphdr *) ( (char *)ethhdr + sizeof (struct ethhdr)); Is complete insane. Any body can provide a solution for it. dereferencing pointer to incomplete type ‘struct task_struct’ 编译gcc/g++源码, dereferencing pointer to incomplete type 'struct ucontext' build gcc ./md-unwind-support.h:65:47: error: dereferencing pointer to incomplete type ‘struct ucont aggregate ‘sigaltstack handler_stack’ has incomplete type and cannot be defined struct sigaltstack handler_stack; 意思都是一个意思,这里可以借鉴Fix sanitizer build against latest glibc这个网址的方法,在这个网址的最后有修改前后的对比图,详细的展示了如何修改. This RFC is based KVM RFC [1]. This means that you only say that it is a pointer type such that a pointer of this type points to a struct point, but the definition of struct point is not provided. So define left as "struct Node*" and everything will be fine. Solution 1. From: Ben Hutchings <> Date: Sun, 14 Oct 2018 16:25:40 +0100: Subject [PATCH 3.16 014/366] um: Use POSIX ucontext_t instead of struct ucontext Thus, at run time, the Factory Method can be passed a description of a desired object (e.g., a string read from user input) and return a base class pointer to a new instance of that object. [email protected] The reduced test case can be simplified to these steps: git co f1fe2d21f4e1aca8644cea888dc618f0183ad671\^1 configure your kernel ARCH=mips make arch/mips/kernel/signal.o From: Patrizio Bassi Date: Sat Oct 13 2007 - 07:34:15 EST Next message: Christoph Hellwig: "Re: [PATCH] v4l: copy_to_user() is not a good method name" Previous message: Nigel Cunningham: "Re: Current Linus' git compilation breakage." For example on GCC, with no assignment in sight: incompletetype.c:6: error: dereferencing pointer to incomplete type. The error is at line 6, that's where I used an incomplete type as if it were a complete type. I was fine up until then. I managed to fix and have everything working, just want to share, in case someone else face the same issues. 关于dereferencing pointer to incomplete type错误. Dear colleagues, One of my friend have a problem with c code. error: dereferencing pointer to incomplete type 'struct ucontext' ... 改为 struct ucontext_t *uc_ = context->cfa; aggregate ‘sigaltstack handler_stack’ has incomplete type and cannot be defined struct sigaltstack handler_stack; is a pointer … All your code refers to a variable type nd defined as: C++. 1. error: dereferencing pointer to incomplete type. This means that the compiler couldn't find a definition of the struct within the translation unit where you made that access - it could only find a declaration. struct Node * next; is as it turns out, a pointer to a type that wasn't previously defined at the point where you declared it. ... In an example this simple, Matir's approach looks better, because it avoids the need for any pre declaration. error: dereferencing pointer to incomplete type ‘RSA {aka struct rsa_st}’. The SEV feature allows. GitHub Gist: instantly share code, notes, and snippets. Accept Solution Reject Solution. +Desc: selinux: add SOCK_DIAG_BY_FAMILY to the list of netlink message types + typedef struct node *nd; In this case nd defines a pointer to an 'incomplete' node structure. Copy Code. dereferencing pointer to incomplete type ‘struct task_struct’,代码先锋网,一个为软件开发程序员提供代码片段和技术文章聚合的网站。 [-- Attachment #1: Type: text/plain, Size: 1542 bytes --] On 06/20/2012 06:45 AM, Bhupesh SHARMA wrote: > Hi David, > >> -----Original Message----- >> From: David Miller [mailto:[email protected]] >> Sent: Wednesday, June 20, 2012 10:07 AM >> To: Bhupesh SHARMA >> Cc: [email protected]; [email protected]; linux- >> [email protected]; [email protected]; >> … I located any spot that was creating a struct called "ucontext" and replaced it with "ucontext_t" to fix the issue. md-unwind-support.h 第61行,struct ucontext *uc_ = context->cfa;修改为struct ucontext_t *uc_ = context->cfa;--问题2. Ativa 2 anos, 11 meses atrás. Fri Jun 13 13:13:02 2003 Balachandran Natarajan * bin/make_release: Remeved the generation of a README file in TAO/orbsvcs. by using POSIX ucontext_t. Hi I'm been trying to make Jabberd-1.4.2 on Windows XP from within Cygwin and I continue to get errors (see below) when it tries to make pth-1.4.0. 编译openwrt CC版本时,出现以下问题,折腾了好久,终于google出了解决办法。. Compile the gcc / g ++ source code, dereferencing pointer to incomplete type 'struct ucontext' Popular Posts Spring Security topic from entry to source code analysis (5) core filter linux (4.19.37-2) unstable; urgency=high * debian/bin: Fix Python static checker regressions (Closes: #928618) * Clean up speculation mitigations: - Documentation/l1tf: Fix small spelling typo - x86/cpu: Sanitize FAM6_ATOM naming - kvm: x86: Report STIBP on GET_SUPPORTED_CPUID - x86/msr-index: Cleanup bit defines - x86/speculation: Consolidate CPU whitelists - Documentation: … Fri Jun 13 06:02:32 2003 Balachandran Natarajan * ace/Template_Instantiations.cpp: Removed the explicit template instantiations introduced by this change "Thu Jun 12 15:20:37 2003 Balachandran … Merged. The Factory Method defines a method for creating the objects, which subclasses can then override to specify the derived type that will be created. Similarly we can specify the replacement of the val label, the static variable, or the local variable; each one will only affect the relevant identifiers.. If I create struct like this. 2.6.23-git3 compilation broken, asm headers missing? how can i fix the following? Older versions of vc++ before 14.0 and gcc prior to 4.8 may fail. In your header, you declared point_t to be an opaque pointer type. I tried to install qira on a debian based distro...I faced some errors, probably due to some libs/package misalignment. are {,u}intmax_t which in Cosmopolitan is 128-bit. Clozure CL is a fast, mature, open source Common Lisp implementation that runs on Linux, Mac OS X, FreeBSD, and Windows. Before building, you’ll need to customize at least one of the variables exported by gcc-build-vars.sh. I'd argue that the very cumbersome pointer handling in Rust is a feature, not a bug. Step 3: Customize the Build Variables. Implementations derived from UNIX System V support the signal function, which provides the old unreliable-signal semantics. GCC Bugzilla – Bug 81712 gcc does not compile when using glib 2.26 (everything works fine with 2.25) Last modified: 2017-11-19 11:41:20 UTC sanitizer_stoptheworld_linux_libcdep.cc:276:22: error: aggregate ‘sigaltstack handler_stack’ has incomplete type and cannot be defined struct bar *baz; }; struct foo f->baz->something = somethingelse; Here, we have no idea what "struct bar" contains, because it's not defined anywhere. Some styles failed to load. In linux_unwind.h you have to change struct ucontext *uc_ = context->cfa; on line 61 to struct ucontext_t *uc_ = context->cfa; Closed. It's relying on typecasting a pointer of a structure, jumping over the size of itself and assuming that the next spot in memory. I've seen this mentioned before in this list but I can't fix it. error: dereferencing pointer to incomplete type 'struct ucontext' sc = (stru 65行 struct ucontext * uc_ = context->cfa; 改成 struct ucontext_t * uc_ = context->cfa; 解决 编译 错误 :dereferencing pointer to incomplete type 的 办法