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Diffstat (limited to 'lib/sqfs/comp/gzip.c')
-rw-r--r--lib/sqfs/comp/gzip.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/sqfs/comp/gzip.c b/lib/sqfs/comp/gzip.c
index 37491bb..34164a6 100644
--- a/lib/sqfs/comp/gzip.c
+++ b/lib/sqfs/comp/gzip.c
@@ -44,6 +44,22 @@ static void gzip_destroy(sqfs_object_t *base)
free(gzip);
}
+static void gzip_get_configuration(const sqfs_compressor_t *base,
+ sqfs_compressor_config_t *cfg)
+{
+ const gzip_compressor_t *gzip = (const gzip_compressor_t *)base;
+
+ memset(cfg, 0, sizeof(*cfg));
+ cfg->id = SQFS_COMP_GZIP;
+ cfg->flags = gzip->opt.strategies;
+ cfg->block_size = gzip->block_size;
+ cfg->opt.gzip.level = gzip->opt.level;
+ cfg->opt.gzip.window_size = gzip->opt.window;
+
+ if (!gzip->compress)
+ cfg->flags |= SQFS_COMP_FLAG_UNCOMPRESS;
+}
+
static int gzip_write_options(sqfs_compressor_t *base, sqfs_file_t *file)
{
gzip_compressor_t *gzip = (gzip_compressor_t *)base;
@@ -263,6 +279,7 @@ sqfs_compressor_t *gzip_compressor_create(const sqfs_compressor_config_t *cfg)
gzip->opt.strategies = cfg->flags & SQFS_COMP_FLAG_GZIP_ALL;
gzip->compress = (cfg->flags & SQFS_COMP_FLAG_UNCOMPRESS) == 0;
gzip->block_size = cfg->block_size;
+ base->get_configuration = gzip_get_configuration;
base->do_block = gzip_do_block;
base->write_options = gzip_write_options;
base->read_options = gzip_read_options;