1 #ifndef XZ_WRAPPER_H 2 #define XZ_WRAPPER_H 3 /* 4 * Squashfs 5 * 6 * Copyright (c) 2010 7 * Phillip Lougher <phillip@squashfs.org.uk> 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License 11 * as published by the Free Software Foundation; either version 2, 12 * or (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 22 * 23 * xz_wrapper.h 24 * 25 */ 26 27 #ifndef linux 28 #define __BYTE_ORDER BYTE_ORDER 29 #define __BIG_ENDIAN BIG_ENDIAN 30 #define __LITTLE_ENDIAN LITTLE_ENDIAN 31 #else 32 #include <endian.h> 33 #endif 34 35 #if __BYTE_ORDER == __BIG_ENDIAN 36 extern unsigned int inswap_le32(unsigned int); 37 38 #define SQUASHFS_INSWAP_COMP_OPTS(s) { \ 39 (s)->dictionary_size = inswap_le32((s)->dictionary_size); \ 40 (s)->flags = inswap_le32((s)->flags); \ 41 } 42 #else 43 #define SQUASHFS_INSWAP_COMP_OPTS(s) 44 #endif 45 46 #define MEMLIMIT (32 * 1024 * 1024) 47 48 struct bcj { 49 char *name; 50 lzma_vli id; 51 int selected; 52 }; 53 54 struct filter { 55 void *buffer; 56 lzma_filter filter[3]; 57 size_t length; 58 }; 59 60 struct xz_stream { 61 struct filter *filter; 62 int filters; 63 int dictionary_size; 64 lzma_options_lzma opt; 65 }; 66 67 struct comp_opts { 68 int dictionary_size; 69 int flags; 70 }; 71 #endif 72