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ccxt/static_dependencies/msgpack/pack.h

@@ -0,0 +1,89 @@
+/*
+ * MessagePack for Python packing routine
+ *
+ * Copyright (C) 2009 Naoki INADA
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+
+#include <stddef.h>
+#include <stdlib.h>
+#include "sysdep.h"
+#include <limits.h>
+#include <string.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct msgpack_packer {
+    char *buf;
+    size_t length;
+    size_t buf_size;
+    bool use_bin_type;
+} msgpack_packer;
+
+typedef struct Packer Packer;
+
+static inline int msgpack_pack_write(msgpack_packer* pk, const char *data, size_t l)
+{
+    char* buf = pk->buf;
+    size_t bs = pk->buf_size;
+    size_t len = pk->length;
+
+    if (len + l > bs) {
+        bs = (len + l) * 2;
+        buf = (char*)PyMem_Realloc(buf, bs);
+        if (!buf) {
+            PyErr_NoMemory();
+            return -1;
+        }
+    }
+    memcpy(buf + len, data, l);
+    len += l;
+
+    pk->buf = buf;
+    pk->buf_size = bs;
+    pk->length = len;
+    return 0;
+}
+
+#define msgpack_pack_append_buffer(user, buf, len) \
+        return msgpack_pack_write(user, (const char*)buf, len)
+
+#include "pack_template.h"
+
+// return -2 when o is too long
+static inline int
+msgpack_pack_unicode(msgpack_packer *pk, PyObject *o, long long limit)
+{
+    assert(PyUnicode_Check(o));
+
+    Py_ssize_t len;
+    const char* buf = PyUnicode_AsUTF8AndSize(o, &len);
+    if (buf == NULL)
+        return -1;
+
+    if (len > limit) {
+        return -2;
+    }
+
+    int ret = msgpack_pack_raw(pk, len);
+    if (ret) return ret;
+
+    return msgpack_pack_raw_body(pk, buf, len);
+}
+
+#ifdef __cplusplus
+}
+#endif