Attachment 166856 Details for Bug 207091 – copy of libpe_utils to avoid diff issues

copy of libpe_utils to avoid diff issues

libpe_utils.c (text/x-c), 2.00 KB, created by Ed Maste on 2016-02-10 22:20:33 UTC

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Creator: Ed Maste

Created: 2016-02-10 22:20:33 UTC

Size: 2.00 KB

patch

obsolete

>/*-
> * Copyright (c) 2016 Kai Wang
> * All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> *
> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> */
>
>#include <sys/param.h>
>#include <assert.h>
>#include <errno.h>
>#include <string.h>
>#include <unistd.h>
>
>#include "_libpe.h"
>
>ELFTC_VCSID("$Id: libpe_utils.c 3312 2016-01-10 09:23:51Z kaiwang27 $");
>
>off_t
>libpe_align(PE *pe, off_t off, size_t align)
>{
>	off_t n;
>
>	assert(align > 0 && (align & (align - 1)) == 0);
>
>	n = roundup(off, align);
>	if (n > off) {
>		if (libpe_pad(pe, n - off) < 0)
>			return (-1);
>	}
>
>	return (n);
>}
>
>int
>libpe_pad(PE *pe, size_t pad)
>{
>	char tmp[128];
>	size_t s;
>
>	memset(tmp, 0, sizeof(tmp));
>	for (; pad > 0; pad -= s) {
>		s = pad > sizeof(tmp) ? sizeof(tmp) : pad;
>		if (write(pe->pe_fd, tmp, s) != (ssize_t) s) {
>			errno = EIO;
>			return (-1);
>		}
>	}
>
>	return (0);
>}

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Attachments on bug 207091: 166851 | 166852 | 166856 | 166857 | 166986