1 files changed, 28 insertions, 0 deletions
diff --git a/server/resty/openssl/auxiliary/ctypes.lua b/server/resty/openssl/auxiliary/ctypes.lua
new file mode 100644
index 0000000..933822b
--- /dev/null
+++ b/server/resty/openssl/auxiliary/ctypes.lua
@@ -0,0 +1,28 @@
+-- Put common type definition at the same place for convenience
+-- and standarlization
+local ffi = require "ffi"
+
+--[[
+    TYPE_ptr: usually used to define a pointer (to cast or something)
+    char* var_name; // <- we use char_ptr
+
+    ptr_of_TYPE: usually used to pass the pointer of an object that
+    is already allocated. so that we can also set value of it as well
+
+    int p = 2;    // ptr_of_int(); ptr_of_int[0] = 2;
+    plus_one(&p); // <- we use ptr_of_int
+]]
+
+return {
+    void_ptr = ffi.typeof("void *"),
+    ptr_of_uint64 = ffi.typeof("uint64_t[1]"),
+    ptr_of_uint = ffi.typeof("unsigned int[1]"),
+    ptr_of_size_t = ffi.typeof("size_t[1]"),
+    ptr_of_int = ffi.typeof("int[1]"),
+    null = ffi.new("void *"), -- hack wher ngx.null is not available
+
+    uchar_array = ffi.typeof("unsigned char[?]"),
+    uchar_ptr = ffi.typeof("unsigned char*"),
+
+    SIZE_MAX = math.pow(2, 64), -- nginx set _FILE_OFFSET_BITS to 64
+}
+\ No newline at end of file