safe_write.c 446 B

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  1. /* vi: set sw=4 ts=4: */
  2. /*
  3. * Utility routines.
  4. *
  5. * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
  6. *
  7. * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  8. */
  9. #include <stdio.h>
  10. #include <errno.h>
  11. #include <unistd.h>
  12. #include "libbb.h"
  13. ssize_t safe_write(int fd, const void *buf, size_t count)
  14. {
  15. ssize_t n;
  16. do {
  17. n = write(fd, buf, count);
  18. } while (n < 0 && errno == EINTR);
  19. return n;
  20. }