box/libbb/safe_write.c

   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
  10 #include "libbb.h"
  11
  12 ssize_t safe_write(int fd, const void *buf, size_t count)
  13 {
  14         ssize_t n;
  15
  16         do {
  17                 n = write(fd, buf, count);
  18         } while (n < 0 && errno == EINTR);
  19
  20         return n;
  21 }