fix lz4

1 files changed, 2 insertions, 12 deletions

diff --git a/core/src/xmake/lz4/block_decompress.c b/core/src/xmake/lz4/block_decompress.c
index 294cb3648..d4c656280 100644
--- a/core/src/xmake/lz4/block_decompress.c
+++ b/core/src/xmake/lz4/block_decompress.c
@@ -65,20 +65,10 @@ tb_int_t xm_lz4_block_decompress(lua_State* lua)
     tb_byte_t buffer[8192];
     do
     {
-        tb_int_t buffer_maxn;
-        if (real <= sizeof(buffer))
-        {
-            output_data = buffer;
-            buffer_maxn = sizeof(buffer);
-        }
-        else
-        {
-            buffer_maxn = real << 1;
-            output_data = (tb_byte_t*)tb_malloc(buffer_maxn);
-        }
+        output_data = real <= sizeof(buffer)? buffer : (tb_byte_t*)tb_malloc(buffer_maxn);
         tb_assert_and_check_break(output_data);
 
-        tb_int_t r = LZ4_decompress_safe((tb_char_t const*)data, (tb_char_t*)output_data, real, buffer_maxn);
+        tb_int_t r = LZ4_decompress_safe((tb_char_t const*)data, (tb_char_t*)output_data, real, real);
         tb_assert_and_check_break(r > 0);
 
         lua_pushlstring(lua, (tb_char_t const*)output_data, real);