-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-/* Specification. */
-#include "full-read.h"
-
-#include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
-
-#include "safe-read.h"
-
-/* Read COUNT bytes at BUF to descriptor FD, retrying if interrupted
- or if partial reads occur. Return the number of bytes successfully
- read, setting errno if that is less than COUNT. errno = 0 means EOF. */
-size_t
-full_read (int fd, void *buf, size_t count)
-{
- size_t total_read = 0;
-
- if (count > 0)
- {
- char *ptr = buf;
-
- do
- {
- size_t nread = safe_read (fd, ptr, count);
- if (nread == (size_t)-1)
- break;
- if (nread == 0)
- {
- /* EOF. */
- errno = 0;
- break;
- }
- total_read += nread;
- ptr += nread;
- count -= nread;
- }
- while (count > 0);
- }
-
- return total_read;
-}