-typedef jlongArray int64_tArray;
-typedef jbyteArray int8_tArray;
-
-static inline jstring str_ref_to_java(JNIEnv *env, const char* chars, size_t len) {
- // Sadly we need to create a temporary because Java can't accept a char* without a 0-terminator
- char* conv_buf = MALLOC(len + 1, "str conv buf");
- memcpy(conv_buf, chars, len);
- conv_buf[len] = 0;
- jstring ret = (*env)->NewStringUTF(env, conv_buf);
- FREE(conv_buf);
- return ret;
+#define DECL_ARR_TYPE(ty, name) \\
+ struct name##array { \\
+ uint64_t arr_len; /* uint32_t would suffice but we want to align uint64_ts as well */ \\
+ ty elems[]; \\
+ }; \\
+ typedef struct name##array * name##Array; \\
+ static inline name##Array init_##name##Array(size_t arr_len, int lineno) { \\
+ name##Array arr = (name##Array)do_MALLOC(arr_len * sizeof(ty) + sizeof(uint64_t), #name" array init", lineno); \\
+ arr->arr_len = arr_len; \\
+ return arr; \\
+ }
+
+DECL_ARR_TYPE(int64_t, int64_t);
+DECL_ARR_TYPE(uint64_t, uint64_t);
+DECL_ARR_TYPE(int8_t, int8_t);
+DECL_ARR_TYPE(int16_t, int16_t);
+DECL_ARR_TYPE(uint32_t, uint32_t);
+DECL_ARR_TYPE(void*, ptr);
+DECL_ARR_TYPE(char, char);
+typedef charArray jstring;
+
+static inline jstring str_ref_to_cs(const char* chars, size_t len) {
+ charArray arr = init_charArray(len, __LINE__);
+ memcpy(arr->elems, chars, len);
+ return arr;