我对以下代码有一点问题。我已经看到了大量使用 InternetReadFile 保存到文件的示例。但我找不到一个,或者让它为 char[] 工作。我想把szBuffer加起来得到holdBuff,然后设置内容等于holdBuff。
#include <stdio.h>
#include <tchar.h>
#include <string.h>
#include <windows.h>
#include <WinInet.h>
HINTERNET hSession;
void urlToChar(char* url, char** content);
int main()
{
hSession = InternetOpen("Mozilla/4.0 (compatible) Poison", INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
char* content;
urlToChar("http://google.com/", &content);
printf("%s",content);
return 0;
}
void urlToChar(char* url, char** content)
{
HINTERNET hConnect = InternetConnect(hSession, _T(""),INTERNET_DEFAULT_HTTP_PORT, NULL, NULL, INTERNET_SERVICE_HTTP, 0, 1);
HINTERNET hRequest = InternetOpenUrl(hSession, url, NULL, 0, 0, 0);
if (hRequest)
{
char holdBuff[] = "";
char szBuff[1025];
memset(szBuff, 0x00, sizeof(szBuff));
DWORD bytesRead;
while (InternetReadFile(hRequest, szBuff, 1024, &bytesRead) == TRUE && bytesRead > 0)
{
// Cat szBuff to holdBuff
memset(szBuff, 0x00, sizeof(szBuff));
}
*content = holdBuff;
// memset(holdBuff, 0x00, sizeof(holdBuff)); <-- Need this?
}
InternetCloseHandle(hRequest);
InternetCloseHandle(hConnect);
}