You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
90 lines
2.0 KiB
90 lines
2.0 KiB
/*
|
|
* 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
|