diff options
Diffstat (limited to 'fs/squashfs/sqfs_decompressor.c')
| -rw-r--r-- | fs/squashfs/sqfs_decompressor.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/fs/squashfs/sqfs_decompressor.c b/fs/squashfs/sqfs_decompressor.c index 09ca6cf6d0..633a8a1818 100644 --- a/fs/squashfs/sqfs_decompressor.c +++ b/fs/squashfs/sqfs_decompressor.c @@ -14,9 +14,37 @@ #endif #include "sqfs_decompressor.h" -#include "sqfs_filesystem.h" #include "sqfs_utils.h" +int sqfs_decompressor_init(struct squashfs_ctxt *ctxt) +{ + u16 comp_type = get_unaligned_le16(&ctxt->sblk->compression); + + switch (comp_type) { +#if IS_ENABLED(CONFIG_ZLIB) + case SQFS_COMP_ZLIB: + break; +#endif + default: + printf("Error: unknown compression type.\n"); + return -EINVAL; + } + + return 0; +} + +void sqfs_decompressor_cleanup(struct squashfs_ctxt *ctxt) +{ + u16 comp_type = get_unaligned_le16(&ctxt->sblk->compression); + + switch (comp_type) { +#if IS_ENABLED(CONFIG_ZLIB) + case SQFS_COMP_ZLIB: + break; +#endif + } +} + #if IS_ENABLED(CONFIG_ZLIB) static void zlib_decompression_status(int ret) { @@ -35,14 +63,14 @@ static void zlib_decompression_status(int ret) #endif int sqfs_decompress(u16 comp_type, void *dest, unsigned long *dest_len, - void *source, u32 lenp) + void *source, u32 src_len) { int ret = 0; switch (comp_type) { #if IS_ENABLED(CONFIG_ZLIB) case SQFS_COMP_ZLIB: - ret = uncompress(dest, dest_len, source, lenp); + ret = uncompress(dest, dest_len, source, src_len); if (ret) { zlib_decompression_status(ret); return -EINVAL; |