check c structs size

Author: felipenoris

src/LibXLS.jl

@@ -13,4 +13,16 @@ include("types.jl")
 include("workbook.jl")
 include("worksheet.jl")
 
+function __init__()
+    @assert sizeof(st_sheet) == 16
+    @assert sizeof(st_sheet_data) == 16
+    @assert sizeof(st_sst) == 32
+    @assert sizeof(st_cell_data) == 40
+    @assert sizeof(st_cell) == 16
+    @assert sizeof(st_row) == 16
+    @assert sizeof(st_row_data) == 32
+    @assert sizeof(st_colinfo) == 16
+    @assert sizeof(st_colinfo_data) == 10
+end
+
 end