diff options
Diffstat (limited to 'include/sqfs/compressor.h')
| -rw-r--r-- | include/sqfs/compressor.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/sqfs/compressor.h b/include/sqfs/compressor.h index 46bdf58..a53fbc1 100644 --- a/include/sqfs/compressor.h +++ b/include/sqfs/compressor.h @@ -100,6 +100,11 @@ struct sqfs_compressor_t { * @struct sqfs_compressor_config_t * * @brief Configuration parameters for instantiating a compressor backend. + * + * The unused fields MUST be set to 0. The easiest way to do this is by always + * clearing the struct using memset before setting anything, or using + * @ref sqfs_compressor_config_init to set defaults and then modify the struct + * from there. */ struct sqfs_compressor_config_t { /** @@ -138,6 +143,8 @@ struct sqfs_compressor_config_t { * Default is 15, i.e. 32k window. */ sqfs_u16 window_size; + + sqfs_u32 padd0[3]; } gzip; /** @@ -150,6 +157,8 @@ struct sqfs_compressor_config_t { * Default is 15. */ sqfs_u16 level; + + sqfs_u16 padd0[7]; } zstd; /** @@ -174,6 +183,8 @@ struct sqfs_compressor_config_t { * Defaults to 9, i.e. best compression. */ sqfs_u16 level; + + sqfs_u32 padd0[3]; } lzo; /** @@ -190,7 +201,11 @@ struct sqfs_compressor_config_t { * block size. */ sqfs_u32 dict_size; + + sqfs_u32 padd0[3]; } xz; + + sqfs_u64 padd0[2]; } opt; }; |