iovec.h 991 B

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  1. /*
  2. * Copyright (c) 2023 Agustina Arzille.
  3. *
  4. * This program is free software: you can redistribute it and/or modify
  5. * it under the terms of the GNU General Public License as published by
  6. * the Free Software Foundation, either version 3 of the License, or
  7. * (at your option) any later version.
  8. *
  9. * This program is distributed in the hope that it will be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. * GNU General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU General Public License
  15. * along with this program. If not, see <http://www.gnu.org/licenses/>.
  16. */
  17. #ifndef UIO_H
  18. #define UIO_H
  19. #include <iovec_types.h>
  20. #define IOVEC(base, len) \
  21. (struct iovec) { .iov_base = (void *)(base), .iov_len = (len) }
  22. static inline void
  23. iovec_adv (struct iovec *iov, size_t off)
  24. {
  25. iov->iov_base = (char *)iov->iov_base + off;
  26. iov->iov_len -= off;
  27. }
  28. #endif