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48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
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/*
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* Unsquash a squashfs filesystem. This is a highly compressed read only
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* filesystem.
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*
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* Copyright (c) 2019
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* Phillip Lougher <phillip@squashfs.org.uk>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2,
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* or (at your option) any later version.
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*
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* This program 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 this program; if not, write to the Free Software
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* Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* unsquash-34.c
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*
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* Helper functions used by unsquash-3 and unsquash-4.
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*/
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#include "unsquashfs.h"
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long long *alloc_index_table(int indexes)
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{
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static long long *alloc_table = NULL;
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static int alloc_size = 0;
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int length = indexes * sizeof(long long);
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if(alloc_size < length || length == 0) {
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long long *table = realloc(alloc_table, length);
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if(table == NULL && length !=0)
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EXIT_UNSQUASH("alloc_index_table: failed to allocate "
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"index table\n");
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alloc_table = table;
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alloc_size = length;
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}
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return alloc_table;
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}
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