- 254 名前：253 mailto:sage [2009/08/06(木) 21:06:00 ]
- HINTERNET hInet, hUrl;
char szBuf[128], *lpszSrc;
DWORD dwRead;
int nTotal = 0;
HGLOBAL hMem;
//目的のURLの入力
char szUrl[] = "hogehogehgoe.co.jp/hoge.jpg";
hInet = InternetOpen("hoge",INTERNET_OPEN_TYPE_PRECONFIG,NULL, NULL, 0);
if (hInet == NULL) return -1;
hUrl = InternetOpenUrl(hInet, szUrl, NULL, 0, 0, 0);
if (hUrl == NULL) return -1;
//lpszSrcに1バイトのみ確保
hMem = GlobalAlloc(GHND, 1);
lpszSrc = (char *)GlobalLock(hMem);
while (1) {
InternetReadFile(hUrl, szBuf, (DWORD)sizeof(szBuf) - 1, &dwRead);
szBuf[dwRead] = '\0';
//読み出す物がなくなったのでループ脱出
if (dwRead == 0)break;
//必要バイト数の計算
nTotal += dwRead;
//確保領域の大きさ変更
hMem = GlobalReAlloc(hMem, nTotal, GMEM_MOVEABLE);
if (hMem == NULL) break;
lpszSrc = (char *)GlobalLock(hMem);
if (lpszSrc == NULL) break;
strcat_s(lpszSrc, nTotal+1, szBuf);
}
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