visual studio 2008 error C2371:'int8_t':redefinition;不同的基本类型(http_parser.h) [英] visual studio 2008 error C2371: 'int8_t' : redefinition; different basic types (http_parser.h)
问题描述
i也使用libuv,并基本上试图编译这个例子在windows。
使用visual studio 2008
但我收到此编译错误:
> d:\dev\cpp\servers\libuv\libuv_http_server\http_parser.h(35):error C2371:'int8_t':redefinition;不同的基本类型
1> d:\dev\cpp\servers\libuv\libuv-master\libuv-master\include\uv-private\stdint-msvc2008.h(82):参见'int8_t'$的声明b $ b
http_parser.h文件中的代码如下所示:
#include< sys / types.h>
#if defined(_WIN32)&& !defined(__ MINGW32__)&& (!defined(_MSC_VER)|| _MSC_VER< 1600)
#include< BaseTsd.h>
#include< stddef.h>
//#undef __int8
typedef __int8 int8_t;
typedef unsigned __int8 uint8_t;
typedef __int16 int16_t;
typedef unsigned __int16 uint16_t;
typedef __int32 int32_t;
typedef unsigned __int32 uint32_t;
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
#else
#include< stdint.h>
#endif
你可以看到我试图去undef它,但它did not工作。
我可以做什么,它会通过编译。
如果我只是删除它得到这个错误:
http_parser.c(180):error C2061:语法错误:标识符'unhex'
在此代码段中:
$ b $ $,$,$,$,$,$,$,$,$, -1,-1,-1,-1,-1,-1,-1,-1
,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1
,-1,-1,-1,-1,-1,-1,-1 ,-1,-1,-1,-1,-1,-1,-1,-1,-1
,0,1,2,3,4,5,6,7,8, 9,-1,-1,-1,-1,-1,-1
,-1,10,11,12,13,14,15,-1,-1,-1,-1 ,-1,-1,-1,-1,-1
,-1,-1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1
,-1,10,11,12,13,14,15,-1,-1,-1,-1, -1,-1,-1,-1,-1
,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 ,-1,-1,-1,-1,-1
};
和许多其他使用int8_t的部分
由于它是一个 typedef
,您不能使用 #ifdef
#undef
等,因为这些只适用于 #define
'的符号。
你最好做的是确保两个 typedef
同意,应该没有问题。
查看 stdint-msvc2008.h
,可能会更容易修改 http_parser.h
to this:
typedef signed __int8 int8_t;
有什么好处吗?
i try to compile simple c/c++ app that is using http_parser from node.js i also using libuv , and basically trying to compile this example in windows. using visual studio 2008
but i getting this compilation error :
>d:\dev\cpp\servers\libuv\libuv_http_server\http_parser.h(35) : error C2371: 'int8_t' : redefinition; different basic types
1> d:\dev\cpp\servers\libuv\libuv-master\libuv-master\include\uv-private\stdint-msvc2008.h(82) : see declaration of 'int8_t'
the code in the http_parser.h file looks like this:
#include <sys/types.h>
#if defined(_WIN32) && !defined(__MINGW32__) && (!defined(_MSC_VER) || _MSC_VER<1600)
#include <BaseTsd.h>
#include <stddef.h>
//#undef __int8
typedef __int8 int8_t;
typedef unsigned __int8 uint8_t;
typedef __int16 int16_t;
typedef unsigned __int16 uint16_t;
typedef __int32 int32_t;
typedef unsigned __int32 uint32_t;
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
#else
#include <stdint.h>
#endif
as you can see i tryed to undef it but it didnt worked. what can i do so it will pass compilation . if i just remove it im getting this error :
http_parser.c(180) : error C2061: syntax error : identifier 'unhex'
on this code section :
static const int8_t unhex[256] =
{-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,-1,-1,-1,-1,-1,-1
,-1,10,11,12,13,14,15,-1,-1,-1,-1,-1,-1,-1,-1,-1
,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
,-1,10,11,12,13,14,15,-1,-1,-1,-1,-1,-1,-1,-1,-1
,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
};
and many other sections that using int8_t
As it's a typedef
, you can't use #ifdef
or #undef
etc, because these only work with symbols that have been #define
'ed.
The best you can do is to make sure that the two typedef
's agree, the there should be no problem.
Looking at stdint-msvc2008.h
, it might be easier to modify http_parser.h
to this:
typedef signed __int8 int8_t;
Any good?
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