WINAPI编程获取文件版本信息的代码
发布时间：2010/6/13 10:23:13 来源：城市学习网 编辑：ziteng
本文演示如何使用win32 api 编写获得文件描述和产品版本。很简单的小程序。下面就是全部代码：test.c
//
// test.c
// by cheungmine
//
#include <windows.h>
#include <stdio.h>
#define DLLFILE "C:\\WINDOWS\\system32\\aaaamon.dll"
//
// 使用 WIN32 API 取得文件的描述和版本信息
//
void GetFileDescriptionAndProductVersionA(LPCSTR lpstrFilename,
LPSTR lpoutFileDescription, UINT cbDescSize,
LPSTR lpoutProductVersion, UINT cbVerSize)
{
typedef DWORD(WINAPI *pfnGetFileVersionInfoSizeA)(LPCSTR,LPDWORD);
typedef BOOL(WINAPI *pfnGetFileVersionInfoA)(LPCSTR,DWORD,DWORD,LPVOID);
typedef BOOL(WINAPI *pfnVerQueryValueA)(const LPVOID,LPCSTR,LPVOID*,PUINT);
HMODULE hDll = 0;
DWORD dwHandle=0;
DWORD dwInfoSize=0;
pfnGetFileVersionInfoSizeA fnGetFileVersionInfoSizeA = 0;
pfnGetFileVersionInfoA fnGetFileVersionInfoA = 0;
pfnVerQueryValueA fnVerQueryValueA = 0;
*lpoutFileDescription = 0;
*lpoutProductVersion = 0;
// Load system32\version.dll module
hDll = LoadLibraryA("version.dll");
if (!hDll)
return;
fnGetFileVersionInfoSizeA = (pfnGetFileVersionInfoSizeA) GetProcAddress(hDll, "GetFileVersionInfoSizeA");
fnGetFileVersionInfoA = (pfnGetFileVersionInfoA) GetProcAddress(hDll, "GetFileVersionInfoA");
fnVerQueryValueA = (pfnVerQueryValueA) GetProcAddress(hDll, "VerQueryValueA");
// If failed to get procdure address
if (!fnGetFileVersionInfoSizeA || !fnGetFileVersionInfoA || !fnVerQueryValueA){
FreeLibrary(hDll);
return;
} [NextPage] dwInfoSize = fnGetFileVersionInfoSizeA(lpstrFilename, &dwHandle);
if (dwInfoSize > 0){
void *pvInfo = malloc(dwInfoSize);
if (!pvInfo)
exit(-1); // Out of memory
if (fnGetFileVersionInfoA(lpstrFilename, 0, dwInfoSize, pvInfo)){
struct LANGANDCODEPAGE {
WORD wLanguage;
WORD wCodePage;
} *lpTranslate;
// Read the list of languages and code pages.
UINT cbTranslate = 0;
if ( fnVerQueryValueA(pvInfo, "\\VarFileInfo\\Translation", (void**) &lpTranslate, &cbTranslate) ){
// ONLY Read the file description for FIRST language and code page.
if ((cbTranslate/sizeof(struct LANGANDCODEPAGE)) > 0){
const char *lpBuffer=0;
UINT cbSizeBuf = 0;
char szSubBlock[50]; [NextPage] // Retrieve file description for language and code page 0
wsprintfA(szSubBlock, "\\StringFileInfo\\%04x%04x\\FileDescription", lpTranslate[0].wLanguage, lpTranslate[0].wCodePage);
if ( fnVerQueryValueA(pvInfo, szSubBlock, (void**)&lpBuffer, &cbSizeBuf) ){
//warning4996: strncpy(lpoutFileDescription, lpBuffer, cbDescSize-1);
strncpy_s(lpoutFileDescription, cbDescSize, lpBuffer, cbDescSize-1);
lpoutFileDescription[cbDescSize-1] = 0;
}
// Retrieve file version for language and code page 0
wsprintfA(szSubBlock, "\\StringFileInfo\\%04x%04x\\ProductVersion", lpTranslate[0].wLanguage, lpTranslate[0].wCodePage);
if ( fnVerQueryValueA(pvInfo, szSubBlock, (void**)&lpBuffer, &cbSizeBuf) ){
//warning4996: strncpy(lpoutProductVersion, lpBuffer, cbVerSize-1);
strncpy_s(lpoutProductVersion, cbVerSize, lpBuffer, cbVerSize-1);
lpoutProductVersion[cbVerSize-1] = 0;
}
// Retrieve others for language and code page 0 if you like
// ...
}
}
}
// Free memory
free(pvInfo);
}
// Free mudule
FreeLibrary(hDll);
}
int main(int argc, char* argv[])
{
char szFileDesc[128];
char szProductVersion[32];
GetFileDescriptionAndProductVersionA(DLLFILE, szFileDesc, 128, szProductVersion, 32);
printf("源文件：%s\n文件描述：%s\n产品版本：%s", DLLFILE, szFileDesc, szProductVersion);
getchar();
return 0;
}
