/usr/include/msgpack/sbuffer.h is in libmsgpack-dev 0.5.7-3ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 | /*
* MessagePack for C simple buffer implementation
*
* Copyright (C) 2008-2009 FURUHASHI Sadayuki
*
* 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.
*/
#ifndef MSGPACK_SBUFFER_H__
#define MSGPACK_SBUFFER_H__
#include <stdlib.h>
#include <string.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup msgpack_sbuffer Simple buffer
* @ingroup msgpack_buffer
* @{
*/
typedef struct msgpack_sbuffer {
size_t size;
char* data;
size_t alloc;
} msgpack_sbuffer;
static inline void msgpack_sbuffer_init(msgpack_sbuffer* sbuf)
{
memset(sbuf, 0, sizeof(msgpack_sbuffer));
}
static inline void msgpack_sbuffer_destroy(msgpack_sbuffer* sbuf)
{
free(sbuf->data);
}
static inline msgpack_sbuffer* msgpack_sbuffer_new(void)
{
return (msgpack_sbuffer*)calloc(1, sizeof(msgpack_sbuffer));
}
static inline void msgpack_sbuffer_free(msgpack_sbuffer* sbuf)
{
if(sbuf == NULL) { return; }
msgpack_sbuffer_destroy(sbuf);
free(sbuf);
}
#ifndef MSGPACK_SBUFFER_INIT_SIZE
#define MSGPACK_SBUFFER_INIT_SIZE 8192
#endif
static inline int msgpack_sbuffer_write(void* data, const char* buf, unsigned int len)
{
msgpack_sbuffer* sbuf = (msgpack_sbuffer*)data;
if(sbuf->alloc - sbuf->size < len) {
size_t nsize = (sbuf->alloc) ?
sbuf->alloc * 2 : MSGPACK_SBUFFER_INIT_SIZE;
while(nsize < sbuf->size + len) { nsize *= 2; }
void* tmp = realloc(sbuf->data, nsize);
if(!tmp) { return -1; }
sbuf->data = (char*)tmp;
sbuf->alloc = nsize;
}
memcpy(sbuf->data + sbuf->size, buf, len);
sbuf->size += len;
return 0;
}
static inline char* msgpack_sbuffer_release(msgpack_sbuffer* sbuf)
{
char* tmp = sbuf->data;
sbuf->size = 0;
sbuf->data = NULL;
sbuf->alloc = 0;
return tmp;
}
static inline void msgpack_sbuffer_clear(msgpack_sbuffer* sbuf)
{
sbuf->size = 0;
}
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* msgpack/sbuffer.h */
|