strtok_s在windbg内部返回不正确的数据

Question

（（大家好）我的strtok_s有问题。我写了这段代码（x64）。

    #include <stdio.h>
    #include <stdlib.h>
    #include <windows.h>


    BOOL TestMD5(CONST WCHAR* MD5_DATABASE_FILE)
    {
    HANDLE  hFile = INVALID_HANDLE_VALUE;
    DWORD   FileSize = 0;
    DWORD   dwReaded = 0;
    PBYTE   pData = NULL;
    BOOL    bRead = FALSE;
    PCHAR   token_string = NULL;
    PCHAR   context = NULL;
    CONST   PCHAR delimeter = "\r\n";

    hFile = CreateFileW(
        MD5_DATABASE_FILE,
        GENERIC_READ,
        FILE_SHARE_READ,
        NULL,
        OPEN_EXISTING,
        FILE_ATTRIBUTE_NORMAL,
        NULL
    );

    if (hFile == INVALID_HANDLE_VALUE)
    {
        wprintf(L"Can't open md5 database file: ");
        return FALSE;
    }

    FileSize = GetFileSize(hFile, NULL);
    if (FileSize == 0 || FileSize == INVALID_FILE_SIZE)
    {

        CloseHandle(hFile);
        return FALSE;
    }

    pData = (PBYTE)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (SIZE_T)FileSize);
    if (pData == NULL)
    {

        CloseHandle(hFile);
        return FALSE;
    }

    bRead = ReadFile(hFile, pData, FileSize, &dwReaded, NULL);
    if (bRead != TRUE || dwReaded != FileSize)
    {

        HeapFree(GetProcessHeap(), 0, pData);
        CloseHandle(hFile);
        return FALSE;
    }


    token_string = (PCHAR)strtok_s(pData, delimeter, &context);
    if (token_string == NULL)
    {

        HeapFree(GetProcessHeap(), 0, pData);
        CloseHandle(hFile);
    return FALSE;
    }

    do {

        printf("%s\n", token_string);

    } while (token_string = (PCHAR)strtok_s(NULL, delimeter, &context));


    HeapFree(GetProcessHeap(), 0, pData);
    CloseHandle(hFile);
    return TRUE;
    }

    int main(void)
    {
    WCHAR* MD5_DATABASE_FILE = L"c:\\md5.txt";

    TestMD5(MD5_DATABASE_FILE);


    }

当我运行exe时，这给了我错误的数据。 md5.txt的内容（DC288E0B39EA16B4E9455F82FF265A67：1213：TestDBG +（\ r \ n）

输出：

D：\ repos \ TestWindbg \ x64 \ Debug> TestWindbg.exeDC288E0B39EA16B4E9455F82FF265A67：1213：TestDBGááááááááááááááááá]

我在windbg中打开exe，第一次看到while（token_string）不为NULL。但是必须吗？

WinDbg图像：“ https://i.ibb.co/60nHk5S/Untitled.png”

是什么问题？感谢您的阅读

（（大家好）我的strtok_s有问题。我写了这段代码（x64）。 #include #include #include BOOL TestMD5（CONST WCHAR * ...

Answer 1

我只是更改某些类型的pData和token_string。

#include <stdio.h>
#include <stdlib.h>
#include <windows.h>


BOOL TestMD5(CONST WCHAR* MD5_DATABASE_FILE)
{
    HANDLE  hFile = INVALID_HANDLE_VALUE;
    DWORD   FileSize = 0;
    DWORD   dwReaded = 0;
    char*   pData = NULL;
    BOOL    bRead = FALSE;
    char*   token_string = NULL;
    PCHAR   context = NULL;
    CONST   PCHAR delimeter = "\r\n";

    hFile = CreateFileW(
        MD5_DATABASE_FILE,
        GENERIC_READ,
        FILE_SHARE_READ,
        NULL,
        OPEN_EXISTING,
        FILE_ATTRIBUTE_NORMAL,
        NULL
    );

    if (hFile == INVALID_HANDLE_VALUE)
    {
        wprintf(L"Can't open md5 database file: ");
        return FALSE;
    }

    FileSize = GetFileSize(hFile, NULL);
    if (FileSize == 0 || FileSize == INVALID_FILE_SIZE)
    {

        CloseHandle(hFile);
        return FALSE;
    }

    pData = (char*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (SIZE_T)FileSize);
    if (pData == NULL)
    {

        CloseHandle(hFile);
        return FALSE;
    }

    bRead = ReadFile(hFile, pData, FileSize, &dwReaded, NULL);
    if (bRead != TRUE || dwReaded != FileSize)
    {

        HeapFree(GetProcessHeap(), 0, pData);
        CloseHandle(hFile);
        return FALSE;
    }


    token_string = strtok_s(pData, delimeter, &context);
    if (token_string == NULL)
    {

        HeapFree(GetProcessHeap(), 0, pData);
        CloseHandle(hFile);
        return FALSE;
    }

    do {

        printf("%s\n", token_string);

    } while (token_string = strtok_s(NULL, delimeter, &context));


    HeapFree(GetProcessHeap(), 0, pData);
    CloseHandle(hFile);
    return TRUE;
}

int main(void)
{
    WCHAR* MD5_DATABASE_FILE = L"c:\\md5.txt";

    TestMD5(MD5_DATABASE_FILE);

}

输出：DC288E0B39EA16B4E9455F82FF265A67：1213：TestDBG +（\ r \ n）

关于(\r\n)，您的意思是这样的输出吗？

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