比如尾部剩余5120字节,实际只有4096字节被读取出来.
有人知道是为什么吗? 多次测试都是这样的结果,就算我手动fseek 也没有效果.
求知道的大佬告知,指出错误点或者错误点的资料也可以..万分感谢
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FILE *OpenResFile = fopen(ResDir, "wb+");
if (!OpenResFile)return FALSE;
//移动资源包文件指针
fseek(OpenResFile, 0, SEEK_SET);
//记录资源包文件指针位置;
UINT ResPoint = 0;
for (UINT i = 0; i < FileCount; i++) {
char *pPath = (char*)GvResfile[i].FileName;
OutputDebugStringA(pPath);
OutputDebugStringA("\r\n");
//打开预打包资源文件
if (!pPath) { MessageBox(0, L"打包失败!", nullptr, NULL); break; }
FILE *TmpFile = fopen(pPath, "rb+");
if (!TmpFile) { MessageBox(0, L"打包失败!", nullptr, NULL); break; }
//移动预打包资源文件指针并获取文件大小
fseek(TmpFile, 0, SEEK_END);
UINT FileLen = ftell(TmpFile);
//设置读取缓冲区大小以及次数;
UINT FileBufferLen = 1024* 24, ResCount = 1;
//申请缓冲区;
void *TmpData = LocalAlloc(LMEM_ZEROINIT, FileBufferLen);
if (FileLen > FileBufferLen) {
ResCount = FileLen / FileBufferLen;
}
//重置预打包资源文件指针;
fseek(TmpFile, 0, SEEK_SET);
//读取并打包资源文件;
UINT ReadLen = 0;
do {
ZeroMemory(TmpData, FileBufferLen);
ReadLen = ftell(OpenResFile);
ReadLen = fread(TmpData, sizeof(char), FileBufferLen, TmpFile);
ResCount += ReadLen;
fwrite(TmpData, sizeof(char), ReadLen, OpenResFile);
} while (!feof(TmpFile));
#pragma region 手动fseek
/*for (UINT n = 0; n <= ResCount; n++) {
ZeroMemory(TmpData, FileBufferLen);
if (n == ResCount) {
//打包资源文件尾巴;
UINT EndLen = FileLen - (FileBufferLen * ResCount);
/ *fseek(TmpFile, FileLen - EndLen, SEEK_SET);
fseek(OpenResFile, ResPoint, SEEK_SET);* /
UINT ReadLen = fread(TmpData, sizeof(char), FileBufferLen, TmpFile);
UINT WriteLen = fwrite(TmpData, sizeof(char), EndLen, OpenResFile);
ReadLen = WriteLen;
}
else {
/ *fseek(TmpFile, n*FileBufferLen, SEEK_SET);
fseek(OpenResFile, ResPoint, SEEK_SET);* /
fread(TmpData, sizeof(char), FileBufferLen, TmpFile);
fwrite(TmpData, sizeof(char), FileBufferLen, OpenResFile);
//ResPoint += FileBufferLen;
}
}*/
#pragma endregion
//关闭打开的资源文件;
fclose(TmpFile);


}