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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 09:25:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 09:25:10 +0000 |
commit | 5dced3d1b3deca80e01415a2e35dc7972dcbfae7 (patch) | |
tree | 6a403684e0978f0287d7f0ec0e5aab1fd31a59e1 /contrib/android/block_list.c | |
parent | Initial commit. (diff) | |
download | e2fsprogs-5dced3d1b3deca80e01415a2e35dc7972dcbfae7.tar.xz e2fsprogs-5dced3d1b3deca80e01415a2e35dc7972dcbfae7.zip |
Adding upstream version 1.47.0.upstream/1.47.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'contrib/android/block_list.c')
-rw-r--r-- | contrib/android/block_list.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/contrib/android/block_list.c b/contrib/android/block_list.c new file mode 100644 index 0000000..63cc1a2 --- /dev/null +++ b/contrib/android/block_list.c @@ -0,0 +1,89 @@ +#include "block_list.h" +#include "block_range.h" +#include <stdio.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> + +struct block_list { + FILE *f; + const char *mountpoint; + + const char *filename; + struct block_range_list blocks; +}; + +static void *init(const char *file, const char *mountpoint) +{ + struct block_list *params = calloc(1, sizeof(*params)); + + if (!params) + return NULL; + params->mountpoint = mountpoint; + params->f = fopen(file, "w+"); + if (!params->f) { + free(params); + return NULL; + } + return params; +} + +static int start_new_file(char *path, ext2_ino_t ino EXT2FS_ATTR((unused)), + struct ext2_inode *inode EXT2FS_ATTR((unused)), + void *data) +{ + struct block_list *params = data; + + params->filename = LINUX_S_ISREG(inode->i_mode) ? path : NULL; + return 0; +} + +static int add_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk64_t blocknr, + int metadata, void *data) +{ + struct block_list *params = data; + + if (params->filename && !metadata) + add_blocks_to_range(¶ms->blocks, blocknr, blocknr); + return 0; +} + +static int inline_data(void *inline_data EXT2FS_ATTR((unused)), + void *data EXT2FS_ATTR((unused))) +{ + return 0; +} + +static int end_new_file(void *data) +{ + struct block_list *params = data; + + if (!params->filename || !params->blocks.head) + return 0; + if (fprintf(params->f, "%s%s ", params->mountpoint, + params->filename) < 0 + || write_block_ranges(params->f, params->blocks.head, " ") + || fwrite("\n", 1, 1, params->f) != 1) + return -1; + + delete_block_ranges(¶ms->blocks); + return 0; +} + +static int cleanup(void *data) +{ + struct block_list *params = data; + + fclose(params->f); + free(params); + return 0; +} + +struct fsmap_format block_list_format = { + .init = init, + .start_new_file = start_new_file, + .add_block = add_block, + .inline_data = inline_data, + .end_new_file = end_new_file, + .cleanup = cleanup, +}; |