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Diffstat (limited to 'squashfs-tools/reader.h')
| -rw-r--r-- | squashfs-tools/reader.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/squashfs-tools/reader.h b/squashfs-tools/reader.h new file mode 100644 index 0000000..dd79865 --- /dev/null +++ b/squashfs-tools/reader.h @@ -0,0 +1,39 @@ +#ifndef READER_H +#define READER_H + +/* + * Squashfs + * + * Copyright (c) 2022 + * Phillip Lougher <phillip@squashfs.org.uk> + * + * This program 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 2, + * or (at your option) any later version. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * reader.h + */ + +#define READAHEAD_SIZE 8192 +#define READAHEAD_ALLOC (0x100000 * sizeof(struct readahead *)) +#define READAHEAD_INDEX(A) ((A >> 13) & 0xfffff) +#define READAHEAD_OFFSET(A) (A % READAHEAD_SIZE) + +struct readahead { + long long start; + int size; + struct readahead *next; + char *src; + char data[0] __attribute__((aligned)); +}; +#endif |