The cast to generate the return value uses a DWORD variable
as test and set value. The error case is the constant -1.
Given the type of the other half of the conditioal expression,
-1 is cast to DWORD as well.
On 64 bit, this results in the error case returning a 32 bit
-1 value which is equivalent to (ssize_t)
4294967295 rather
than (ssize_t) -1.
Add a fixing cast.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
devbufend = bytes_per_sector;
}
}
- return bytes_written;
+ return (ssize_t) bytes_written;
}
/* In O_DIRECT case, just write. */
if (write_file (p, len, &bytes_written, &ret))
- return bytes_written;
+ return (ssize_t) bytes_written;
err:
if (IS_EOM (ret))
}
else if (!bytes_written)
__seterrno ();
- return bytes_written ?: -1;
+ /* Cast is required, otherwise the error return value is (DWORD)-1. */
+ return (ssize_t) bytes_written ?: -1;
}
off_t