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libext2fs: include config.h for HAVE_xxx defines
[tools/e2fsprogs.git] / lib / ext2fs / rw_bitmaps.c
index 48f06e0..1d5f7b2 100644 (file)
@@ -9,6 +9,7 @@
  * %End-Header%
  */
 
+#include "config.h"
 #include <stdio.h>
 #include <string.h>
 #if HAVE_UNISTD_H
@@ -34,10 +35,10 @@ static errcode_t write_bitmaps(ext2_filsys fs, int do_inode, int do_block)
        int             block_nbytes, inode_nbytes;
        unsigned int    nbits;
        errcode_t       retval;
-       char            *block_buf, *inode_buf;
+       char            *block_buf = NULL, *inode_buf = NULL;
        int             csum_flag = 0;
-       blk_t           blk;
-       blk_t           blk_itr = EXT2FS_B2C(fs, fs->super->s_first_data_block);
+       blk64_t         blk;
+       blk64_t         blk_itr = EXT2FS_B2C(fs, fs->super->s_first_data_block);
        ext2_ino_t      ino_itr = 1;
 
        EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
@@ -55,7 +56,7 @@ static errcode_t write_bitmaps(ext2_filsys fs, int do_inode, int do_block)
                retval = ext2fs_get_memalign(fs->blocksize, fs->blocksize,
                                             &block_buf);
                if (retval)
-                       return retval;
+                       goto errout;
                memset(block_buf, 0xff, fs->blocksize);
        }
        if (do_inode) {
@@ -64,7 +65,7 @@ static errcode_t write_bitmaps(ext2_filsys fs, int do_inode, int do_block)
                retval = ext2fs_get_memalign(fs->blocksize, fs->blocksize,
                                             &inode_buf);
                if (retval)
-                       return retval;
+                       goto errout;
                memset(inode_buf, 0xff, fs->blocksize);
        }
 
@@ -72,31 +73,33 @@ static errcode_t write_bitmaps(ext2_filsys fs, int do_inode, int do_block)
                if (!do_block)
                        goto skip_block_bitmap;
 
-               if (csum_flag && fs->group_desc[i].bg_flags &
-                   EXT2_BG_BLOCK_UNINIT)
+               if (csum_flag && ext2fs_bg_flags_test(fs, i, EXT2_BG_BLOCK_UNINIT)
+                   )
                        goto skip_this_block_bitmap;
 
-               retval = ext2fs_get_block_bitmap_range(fs->block_map,
+               retval = ext2fs_get_block_bitmap_range2(fs->block_map,
                                blk_itr, block_nbytes << 3, block_buf);
                if (retval)
-                       return retval;
+                       goto errout;
 
                if (i == fs->group_desc_count - 1) {
                        /* Force bitmap padding for the last group */
                        nbits = EXT2FS_NUM_B2C(fs,
-                              ((fs->super->s_blocks_count
-                                - fs->super->s_first_data_block)
-                               % EXT2_BLOCKS_PER_GROUP(fs->super)));
+                               ((ext2fs_blocks_count(fs->super)
+                                 - (__u64) fs->super->s_first_data_block)
+                                % (__u64) EXT2_BLOCKS_PER_GROUP(fs->super)));
                        if (nbits)
                                for (j = nbits; j < fs->blocksize * 8; j++)
                                        ext2fs_set_bit(j, block_buf);
                }
-               blk = fs->group_desc[i].bg_block_bitmap;
+               blk = ext2fs_block_bitmap_loc(fs, i);
                if (blk) {
-                       retval = io_channel_write_blk(fs->io, blk, 1,
-                                                     block_buf);
-                       if (retval)
-                               return EXT2_ET_BLOCK_BITMAP_WRITE;
+                       retval = io_channel_write_blk64(fs->io, blk, 1,
+                                                       block_buf);
+                       if (retval) {
+                               retval = EXT2_ET_BLOCK_BITMAP_WRITE;
+                               goto errout;
+                       }
                }
        skip_this_block_bitmap:
                blk_itr += block_nbytes << 3;
@@ -105,21 +108,23 @@ static errcode_t write_bitmaps(ext2_filsys fs, int do_inode, int do_block)
                if (!do_inode)
                        continue;
 
-               if (csum_flag && fs->group_desc[i].bg_flags &
-                   EXT2_BG_INODE_UNINIT)
+               if (csum_flag && ext2fs_bg_flags_test(fs, i, EXT2_BG_INODE_UNINIT)
+                   )
                        goto skip_this_inode_bitmap;
 
-               retval = ext2fs_get_inode_bitmap_range(fs->inode_map,
+               retval = ext2fs_get_inode_bitmap_range2(fs->inode_map,
                                ino_itr, inode_nbytes << 3, inode_buf);
                if (retval)
-                       return retval;
+                       goto errout;
 
-               blk = fs->group_desc[i].bg_inode_bitmap;
+               blk = ext2fs_inode_bitmap_loc(fs, i);
                if (blk) {
-                       retval = io_channel_write_blk(fs->io, blk, 1,
+                       retval = io_channel_write_blk64(fs->io, blk, 1,
                                                      inode_buf);
-                       if (retval)
-                               return EXT2_ET_INODE_BITMAP_WRITE;
+                       if (retval) {
+                               retval = EXT2_ET_INODE_BITMAP_WRITE;
+                               goto errout;
+                       }
                }
        skip_this_inode_bitmap:
                ino_itr += inode_nbytes << 3;
@@ -134,6 +139,12 @@ static errcode_t write_bitmaps(ext2_filsys fs, int do_inode, int do_block)
                ext2fs_free_mem(&inode_buf);
        }
        return 0;
+errout:
+       if (inode_buf)
+               ext2fs_free_mem(&inode_buf);
+       if (block_buf)
+               ext2fs_free_mem(&block_buf);
+       return retval;
 }
 
 static errcode_t read_bitmaps(ext2_filsys fs, int do_inode, int do_block)
@@ -147,9 +158,9 @@ static errcode_t read_bitmaps(ext2_filsys fs, int do_inode, int do_block)
        int csum_flag = 0;
        int do_image = fs->flags & EXT2_FLAG_IMAGE_FILE;
        unsigned int    cnt;
-       blk_t   blk;
-       blk_t   blk_itr = EXT2FS_B2C(fs, fs->super->s_first_data_block);
-       blk_t   blk_cnt;
+       blk64_t blk;
+       blk64_t blk_itr = EXT2FS_B2C(fs, fs->super->s_first_data_block);
+       blk64_t   blk_cnt;
        ext2_ino_t ino_itr = 1;
        ext2_ino_t ino_cnt;
 
@@ -203,14 +214,14 @@ static errcode_t read_bitmaps(ext2_filsys fs, int do_inode, int do_block)
                blk = (fs->image_header->offset_inodemap / fs->blocksize);
                ino_cnt = fs->super->s_inodes_count;
                while (inode_nbytes > 0) {
-                       retval = io_channel_read_blk(fs->image_io, blk++,
+                       retval = io_channel_read_blk64(fs->image_io, blk++,
                                                     1, inode_bitmap);
                        if (retval)
                                goto cleanup;
                        cnt = fs->blocksize << 3;
                        if (cnt > ino_cnt)
                                cnt = ino_cnt;
-                       retval = ext2fs_set_inode_bitmap_range(fs->inode_map,
+                       retval = ext2fs_set_inode_bitmap_range2(fs->inode_map,
                                               ino_itr, cnt, inode_bitmap);
                        if (retval)
                                goto cleanup;
@@ -220,17 +231,17 @@ static errcode_t read_bitmaps(ext2_filsys fs, int do_inode, int do_block)
                }
                blk = (fs->image_header->offset_blockmap /
                       fs->blocksize);
-               blk_cnt = EXT2_CLUSTERS_PER_GROUP(fs->super) *
+               blk_cnt = (blk64_t)EXT2_CLUSTERS_PER_GROUP(fs->super) *
                        fs->group_desc_count;
                while (block_nbytes > 0) {
-                       retval = io_channel_read_blk(fs->image_io, blk++,
+                       retval = io_channel_read_blk64(fs->image_io, blk++,
                                                     1, block_bitmap);
                        if (retval)
                                goto cleanup;
                        cnt = fs->blocksize << 3;
                        if (cnt > blk_cnt)
                                cnt = blk_cnt;
-                       retval = ext2fs_set_block_bitmap_range(fs->block_map,
+                       retval = ext2fs_set_block_bitmap_range2(fs->block_map,
                                       blk_itr, cnt, block_bitmap);
                        if (retval)
                                goto cleanup;
@@ -243,13 +254,13 @@ static errcode_t read_bitmaps(ext2_filsys fs, int do_inode, int do_block)
 
        for (i = 0; i < fs->group_desc_count; i++) {
                if (block_bitmap) {
-                       blk = fs->group_desc[i].bg_block_bitmap;
-                       if (csum_flag && fs->group_desc[i].bg_flags &
-                           EXT2_BG_BLOCK_UNINIT &&
+                       blk = ext2fs_block_bitmap_loc(fs, i);
+                       if (csum_flag &&
+                           ext2fs_bg_flags_test(fs, i, EXT2_BG_BLOCK_UNINIT) &&
                            ext2fs_group_desc_csum_verify(fs, i))
                                blk = 0;
                        if (blk) {
-                               retval = io_channel_read_blk(fs->io, blk,
+                               retval = io_channel_read_blk64(fs->io, blk,
                                             -block_nbytes, block_bitmap);
                                if (retval) {
                                        retval = EXT2_ET_BLOCK_BITMAP_READ;
@@ -258,20 +269,20 @@ static errcode_t read_bitmaps(ext2_filsys fs, int do_inode, int do_block)
                        } else
                                memset(block_bitmap, 0, block_nbytes);
                        cnt = block_nbytes << 3;
-                       retval = ext2fs_set_block_bitmap_range(fs->block_map,
+                       retval = ext2fs_set_block_bitmap_range2(fs->block_map,
                                               blk_itr, cnt, block_bitmap);
                        if (retval)
                                goto cleanup;
                        blk_itr += block_nbytes << 3;
                }
                if (inode_bitmap) {
-                       blk = fs->group_desc[i].bg_inode_bitmap;
-                       if (csum_flag && fs->group_desc[i].bg_flags &
-                           EXT2_BG_INODE_UNINIT &&
+                       blk = ext2fs_inode_bitmap_loc(fs, i);
+                       if (csum_flag &&
+                           ext2fs_bg_flags_test(fs, i, EXT2_BG_INODE_UNINIT) &&
                            ext2fs_group_desc_csum_verify(fs, i))
                                blk = 0;
                        if (blk) {
-                               retval = io_channel_read_blk(fs->io, blk,
+                               retval = io_channel_read_blk64(fs->io, blk,
                                             -inode_nbytes, inode_bitmap);
                                if (retval) {
                                        retval = EXT2_ET_INODE_BITMAP_READ;
@@ -280,7 +291,7 @@ static errcode_t read_bitmaps(ext2_filsys fs, int do_inode, int do_block)
                        } else
                                memset(inode_bitmap, 0, inode_nbytes);
                        cnt = inode_nbytes << 3;
-                       retval = ext2fs_set_inode_bitmap_range(fs->inode_map,
+                       retval = ext2fs_set_inode_bitmap_range2(fs->inode_map,
                                               ino_itr, cnt, inode_bitmap);
                        if (retval)
                                goto cleanup;