35341bbc96
* grub-core/boot/decompressor/none.c (grub_decompress_core): Exit early if src == dest. * util/grub-mkimage.c (generate_image): Arange for src == dest if compression is none.
42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 2010 Free Software Foundation, Inc.
|
|
*
|
|
* GRUB is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* GRUB is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <grub/decompressor.h>
|
|
|
|
void
|
|
grub_decompress_core (void *src, void *dest, unsigned long n,
|
|
unsigned long dstsize __attribute__ ((unused)))
|
|
{
|
|
char *d = (char *) dest;
|
|
const char *s = (const char *) src;
|
|
|
|
if (d == s)
|
|
return;
|
|
|
|
if (d < s)
|
|
while (n--)
|
|
*d++ = *s++;
|
|
else
|
|
{
|
|
d += n;
|
|
s += n;
|
|
|
|
while (n--)
|
|
*--d = *--s;
|
|
}
|
|
}
|