msgpack-python/msgpack/pack.h at main · DiamondLightSource/msgpack-python · GitHub

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* MessagePack for Python packing routine

* 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>

#include <stdbool.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"

#ifdef __cplusplus

}

#endif

msgpack-python/msgpack/pack.h at main · DiamondLightSource/msgpack-python · GitHub

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