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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-09-01 23:08:04 +0200
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-09-01 23:08:36 +0200
commit9d9d4505f58b6584fe3b261a7686c5d779f77c11 (patch)
tree7f1a086abc273c55c4d3a9cf96144715e3d15329 /include
parent307107ecd2fc3ffbf6fe91497daf767700f3572f (diff)
Internalize the layout of the id_table_t structure
As an opaque struct it has a chance to change its layout in the future without breaking ABI compatibiliy. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'include')
-rw-r--r--include/sqfs/id_table.h20
1 files changed, 6 insertions, 14 deletions
diff --git a/include/sqfs/id_table.h b/include/sqfs/id_table.h
index b209785..951c55e 100644
--- a/include/sqfs/id_table.h
+++ b/include/sqfs/id_table.h
@@ -14,26 +14,16 @@
#include "compress.h"
-/* Encapsulates the ID table used by SquashFS */
-typedef struct {
- /* Array of unique 32 bit IDs */
- uint32_t *ids;
-
- /* Number of 32 bit IDs stored in the array */
- size_t num_ids;
-
- /* Actual size of the array, i.e. maximum available */
- size_t max_ids;
-} id_table_t;
+typedef struct id_table_t id_table_t;
#ifdef __cplusplus
extern "C" {
#endif
-/* Returns 0 on success. Prints error message to stderr on failure. */
-int id_table_init(id_table_t *tbl);
+/* Prints error message to stderr on failure. */
+id_table_t *id_table_create(void);
-void id_table_cleanup(id_table_t *tbl);
+void id_table_destroy(id_table_t *tbl);
/* Resolve a 32 bit to a 16 bit table index.
Returns 0 on success. Internally prints errors to stderr. */
@@ -49,6 +39,8 @@ int id_table_write(id_table_t *tbl, int outfd, sqfs_super_t *super,
int id_table_read(id_table_t *tbl, int fd, sqfs_super_t *super,
compressor_t *cmp);
+int id_table_index_to_id(const id_table_t *tbl, uint16_t index, uint32_t *out);
+
#ifdef __cplusplus
}
#endif