/* simple-object.c -- simple routines to read and write object files.
- Copyright 2010 Free Software Foundation, Inc.
+ Copyright (C) 2010-2017 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Google.
This program is free software; you can redistribute it and/or modify it
const unsigned char *buffer, size_t size,
const char **errmsg, int *err)
{
- ssize_t wrote;
-
if (lseek (descriptor, offset, SEEK_SET) < 0)
{
*errmsg = "lseek";
return 0;
}
- wrote = write (descriptor, buffer, size);
- if (wrote < 0)
+ do
{
- *errmsg = "write";
- *err = errno;
- return 0;
+ ssize_t wrote = write (descriptor, buffer, size);
+ if (wrote == 0)
+ break;
+ else if (wrote > 0)
+ {
+ buffer += wrote;
+ size -= wrote;
+ }
+ else if (errno != EINTR)
+ {
+ *errmsg = "write";
+ *err = errno;
+ return 0;
+ }
}
+ while (size > 0);
- if ((size_t) wrote < size)
+ if (size > 0)
{
*errmsg = "short write";
*err = 0;