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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.
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2010 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/decompressor.h>
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void
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grub_decompress_core (void *src, void *dest, unsigned long n,
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unsigned long dstsize __attribute__ ((unused)))
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{
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char *d = (char *) dest;
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const char *s = (const char *) src;
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if (d == s)
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return;
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if (d < s)
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while (n--)
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*d++ = *s++;
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else
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{
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d += n;
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s += n;
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while (n--)
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*--d = *--s;
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}
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}
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