diff options
Diffstat (limited to 'e2fsprogs/old_e2fsprogs/ext2fs/rs_bitmap.c')
-rw-r--r-- | e2fsprogs/old_e2fsprogs/ext2fs/rs_bitmap.c | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/rs_bitmap.c b/e2fsprogs/old_e2fsprogs/ext2fs/rs_bitmap.c deleted file mode 100644 index 32e87b7..0000000 --- a/e2fsprogs/old_e2fsprogs/ext2fs/rs_bitmap.c +++ /dev/null @@ -1,106 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * rs_bitmap.c --- routine for changing the size of a bitmap - * - * Copyright (C) 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#ifdef HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -errcode_t ext2fs_resize_generic_bitmap(__u32 new_end, __u32 new_real_end, - ext2fs_generic_bitmap bmap) -{ - errcode_t retval; - size_t size, new_size; - __u32 bitno; - - if (!bmap) - return EXT2_ET_INVALID_ARGUMENT; - - EXT2_CHECK_MAGIC(bmap, EXT2_ET_MAGIC_GENERIC_BITMAP); - - /* - * If we're expanding the bitmap, make sure all of the new - * parts of the bitmap are zero. - */ - if (new_end > bmap->end) { - bitno = bmap->real_end; - if (bitno > new_end) - bitno = new_end; - for (; bitno > bmap->end; bitno--) - ext2fs_clear_bit(bitno - bmap->start, bmap->bitmap); - } - if (new_real_end == bmap->real_end) { - bmap->end = new_end; - return 0; - } - - size = ((bmap->real_end - bmap->start) / 8) + 1; - new_size = ((new_real_end - bmap->start) / 8) + 1; - - if (size != new_size) { - retval = ext2fs_resize_mem(size, new_size, &bmap->bitmap); - if (retval) - return retval; - } - if (new_size > size) - memset(bmap->bitmap + size, 0, new_size - size); - - bmap->end = new_end; - bmap->real_end = new_real_end; - return 0; -} - -errcode_t ext2fs_resize_inode_bitmap(__u32 new_end, __u32 new_real_end, - ext2fs_inode_bitmap bmap) -{ - errcode_t retval; - - if (!bmap) - return EXT2_ET_INVALID_ARGUMENT; - - EXT2_CHECK_MAGIC(bmap, EXT2_ET_MAGIC_INODE_BITMAP); - - bmap->magic = EXT2_ET_MAGIC_GENERIC_BITMAP; - retval = ext2fs_resize_generic_bitmap(new_end, new_real_end, - bmap); - bmap->magic = EXT2_ET_MAGIC_INODE_BITMAP; - return retval; -} - -errcode_t ext2fs_resize_block_bitmap(__u32 new_end, __u32 new_real_end, - ext2fs_block_bitmap bmap) -{ - errcode_t retval; - - if (!bmap) - return EXT2_ET_INVALID_ARGUMENT; - - EXT2_CHECK_MAGIC(bmap, EXT2_ET_MAGIC_BLOCK_BITMAP); - - bmap->magic = EXT2_ET_MAGIC_GENERIC_BITMAP; - retval = ext2fs_resize_generic_bitmap(new_end, new_real_end, - bmap); - bmap->magic = EXT2_ET_MAGIC_BLOCK_BITMAP; - return retval; -} |