diff options
Diffstat (limited to 'core/io/compression.cpp')
| -rw-r--r-- | core/io/compression.cpp | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/core/io/compression.cpp b/core/io/compression.cpp index 20c9fdca6f..99ca8107e4 100644 --- a/core/io/compression.cpp +++ b/core/io/compression.cpp @@ -40,10 +40,8 @@ #include <zstd.h> int Compression::compress(uint8_t *p_dst, const uint8_t *p_src, int p_src_size, Mode p_mode) { - switch (p_mode) { case MODE_FASTLZ: { - if (p_src_size < 16) { uint8_t src[16]; zeromem(&src[p_src_size], 16 - p_src_size); @@ -56,7 +54,6 @@ int Compression::compress(uint8_t *p_dst, const uint8_t *p_src, int p_src_size, } break; case MODE_DEFLATE: case MODE_GZIP: { - int window_bits = p_mode == MODE_DEFLATE ? 15 : 15 + 16; z_stream strm; @@ -65,8 +62,9 @@ int Compression::compress(uint8_t *p_dst, const uint8_t *p_src, int p_src_size, strm.opaque = Z_NULL; int level = p_mode == MODE_DEFLATE ? zlib_level : gzip_level; int err = deflateInit2(&strm, level, Z_DEFLATED, window_bits, 8, Z_DEFAULT_STRATEGY); - if (err != Z_OK) + if (err != Z_OK) { return -1; + } strm.avail_in = p_src_size; int aout = deflateBound(&strm, p_src_size); @@ -97,19 +95,17 @@ int Compression::compress(uint8_t *p_dst, const uint8_t *p_src, int p_src_size, } int Compression::get_max_compressed_buffer_size(int p_src_size, Mode p_mode) { - switch (p_mode) { case MODE_FASTLZ: { - int ss = p_src_size + p_src_size * 6 / 100; - if (ss < 66) + if (ss < 66) { ss = 66; + } return ss; } break; case MODE_DEFLATE: case MODE_GZIP: { - int window_bits = p_mode == MODE_DEFLATE ? 15 : 15 + 16; z_stream strm; @@ -117,14 +113,14 @@ int Compression::get_max_compressed_buffer_size(int p_src_size, Mode p_mode) { strm.zfree = zipio_free; strm.opaque = Z_NULL; int err = deflateInit2(&strm, Z_DEFAULT_COMPRESSION, Z_DEFLATED, window_bits, 8, Z_DEFAULT_STRATEGY); - if (err != Z_OK) + if (err != Z_OK) { return -1; + } int aout = deflateBound(&strm, p_src_size); deflateEnd(&strm); return aout; } break; case MODE_ZSTD: { - return ZSTD_compressBound(p_src_size); } break; } @@ -133,10 +129,8 @@ int Compression::get_max_compressed_buffer_size(int p_src_size, Mode p_mode) { } int Compression::decompress(uint8_t *p_dst, int p_dst_max_size, const uint8_t *p_src, int p_src_size, Mode p_mode) { - switch (p_mode) { case MODE_FASTLZ: { - int ret_size = 0; if (p_dst_max_size < 16) { @@ -150,7 +144,6 @@ int Compression::decompress(uint8_t *p_dst, int p_dst_max_size, const uint8_t *p } break; case MODE_DEFLATE: case MODE_GZIP: { - int window_bits = p_mode == MODE_DEFLATE ? 15 : 15 + 16; z_stream strm; |