void recvToFD()

in nailgun-client/c/ng.c [307:347]

• 34 lines of code
• 8 McCabe index (conditional complexity)

void recvToFD(HANDLE destFD, char *buf, unsigned long len) {
  unsigned long bytesRead = 0;
  int bytesCopied;

  while (bytesRead < len) {
    unsigned long bytesRemaining = len - bytesRead;
    int bytesToRead = (BUFSIZE < bytesRemaining) ? BUFSIZE : bytesRemaining;
    int thisPass = 0;

    thisPass = recv(nailgunsocket, buf, bytesToRead, MSG_WAITALL);
    if (thisPass == 0 || thisPass == -1) {
      perror("recv");
      handleSocketClose();
    }
    bytesRead += thisPass;

    bytesCopied = 0;

    while(bytesCopied < thisPass) {
      #ifdef WIN32
        DWORD thisWrite =  0;

        WriteFile(destFD, buf + bytesCopied, thisPass - bytesCopied,
          &thisWrite, NULL);

        if (thisWrite < 0) {
          break;
        }

        bytesCopied += thisWrite;
      #else
        int bytesWritten = write(destFD, buf + bytesCopied, thisPass - bytesCopied);
        if (bytesWritten == -1) {
          perror("write");
          handleSocketClose();
        }
        bytesCopied += bytesWritten;
      #endif
    }
  }
}