protobuf-c /src/google/protobuf-c/protobuf-c-data-buffer.h

Language C/C++ Header Lines 144
MD5 Hash cd9c5943a979441845d43c76f5aab3d7 Estimated Cost $1,656 (why?)
Repository http://protobuf-c.googlecode.com/svn/trunk/ View Raw File
  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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
/*
 * Copyright (c) 2008-2011, Dave Benson.
 * 
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with
 * or without modification, are permitted provided that the
 * following conditions are met:
 * 
 * Redistributions of source code must retain the above
 * copyright notice, this list of conditions and the following
 * disclaimer.

 * Redistributions in binary form must reproduce
 * the above copyright notice, this list of conditions and
 * the following disclaimer in the documentation and/or other
 * materials provided with the distribution.
 *
 * Neither the name
 * of "protobuf-c" nor the names of its contributors
 * may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */


#ifndef __PROTOBUF_C_DATA_BUFFER_H_
#define __PROTOBUF_C_DATA_BUFFER_H_

#include "protobuf-c.h"
#include <stdarg.h>


typedef struct _ProtobufCDataBuffer ProtobufCDataBuffer;
typedef struct _ProtobufCDataBufferFragment ProtobufCDataBufferFragment;

struct _ProtobufCDataBufferFragment
{
  ProtobufCDataBufferFragment *next;
  unsigned buf_start;	/* offset in buf of valid data */
  unsigned buf_length;	/* length of valid data in buf */
};

struct _ProtobufCDataBuffer
{
  size_t size;

  ProtobufCDataBufferFragment    *first_frag;
  ProtobufCDataBufferFragment    *last_frag;
  ProtobufCAllocator *allocator;
};

void     protobuf_c_data_buffer_init                (ProtobufCDataBuffer       *buffer,
                                                     ProtobufCAllocator    *allocator);
void     protobuf_c_data_buffer_clear               (ProtobufCDataBuffer       *buffer);
void     protobuf_c_data_buffer_reset               (ProtobufCDataBuffer       *buffer);

size_t   protobuf_c_data_buffer_read                (ProtobufCDataBuffer    *buffer,
                                                     void*      data,
                                                     size_t         max_length);
size_t   protobuf_c_data_buffer_peek                (const ProtobufCDataBuffer* buffer,
                                                     void*      data,
                                                     size_t        max_length);
size_t   protobuf_c_data_buffer_discard             (ProtobufCDataBuffer    *buffer,
                                                     size_t        max_discard);
char    *protobuf_c_data_buffer_read_line           (ProtobufCDataBuffer    *buffer);

char    *protobuf_c_data_buffer_parse_string0       (ProtobufCDataBuffer    *buffer);
                        /* Returns first char of buffer, or -1. */
int      protobuf_c_data_buffer_peek_char           (const ProtobufCDataBuffer *buffer);
int      protobuf_c_data_buffer_read_char           (ProtobufCDataBuffer    *buffer);

int      protobuf_c_data_buffer_index_of(ProtobufCDataBuffer *buffer,
                                         char       char_to_find);
/* 
 * Appending to the buffer.
 */
void     protobuf_c_data_buffer_append              (ProtobufCDataBuffer    *buffer, 
                                         const void   *data,
                                         size_t        length);
void     protobuf_c_data_buffer_append_string       (ProtobufCDataBuffer    *buffer, 
                                         const char   *string);
void     protobuf_c_data_buffer_append_char         (ProtobufCDataBuffer    *buffer, 
                                         char          character);
void     protobuf_c_data_buffer_append_repeated_char(ProtobufCDataBuffer    *buffer, 
                                         char          character,
                                         size_t        count);
#define protobuf_c_data_buffer_append_zeros(buffer, count) \
  protobuf_c_data_buffer_append_repeated_char ((buffer), 0, (count))

/* XXX: protobuf_c_data_buffer_append_repeated_data() is UNIMPLEMENTED */
void     protobuf_c_data_buffer_append_repeated_data(ProtobufCDataBuffer    *buffer, 
                                         const void   *data_to_repeat,
                                         size_t        data_length,
                                         size_t        count);


void     protobuf_c_data_buffer_append_string0      (ProtobufCDataBuffer    *buffer,
                                         const char   *string);


/* Take all the contents from src and append
 * them to dst, leaving src empty.
 */
size_t   protobuf_c_data_buffer_drain               (ProtobufCDataBuffer    *dst,
                                         ProtobufCDataBuffer    *src);

/* Like `drain', but only transfers some of the data. */
size_t   protobuf_c_data_buffer_transfer            (ProtobufCDataBuffer    *dst,
                                          ProtobufCDataBuffer    *src,
					 size_t        max_transfer);

/* file-descriptor mucking */
int      protobuf_c_data_buffer_writev              (ProtobufCDataBuffer       *read_from,
                                         int              fd);
int      protobuf_c_data_buffer_writev_len          (ProtobufCDataBuffer       *read_from,
                                         int              fd,
					 size_t           max_bytes);
int      protobuf_c_data_buffer_read_in_fd          (ProtobufCDataBuffer       *write_to,
                                         int              read_from);

/* This deallocates memory used by the buffer-- you are responsible
 * for the allocation and deallocation of the ProtobufCDataBuffer itself. */
void     protobuf_c_data_buffer_destruct            (ProtobufCDataBuffer    *to_destroy);

/* Free all unused buffer fragments. */
void     protobuf_c_data_buffer_cleanup_recycling_bin ();

#endif
Back to Top