diff options
Diffstat (limited to 'include/data_writer.h')
| -rw-r--r-- | include/data_writer.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/data_writer.h b/include/data_writer.h index cafe61e..2ace899 100644 --- a/include/data_writer.h +++ b/include/data_writer.h @@ -5,6 +5,7 @@ #include "squashfs.h" #include "compress.h" #include "fstree.h" +#include "util.h" typedef struct data_writer_t data_writer_t; @@ -42,8 +43,21 @@ int data_writer_flush_fragments(data_writer_t *data); The file_info_t object is updated accordingly and used to determine the number of bytes to write and the input file name to report errors. + Blocks or fragments that are all zero bytes automatically detected, + not written out and the sparse file accounting updated accordingly. + Returns 0 on success, prints errors to stderr. */ int write_data_from_fd(data_writer_t *data, file_info_t *fi, int infd); +/* + Does the same as write_data_from_fd but the input file is the condensed + representation of a sparse file. The layout must be in order and + non-overlapping. + + Returns 0 on success, prints errors to stderr. + */ +int write_data_from_fd_condensed(data_writer_t *data, file_info_t *fi, + int infd, sparse_map_t *map); + #endif /* DATA_WRITER_H */ |