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
|
#ifndef __graphfile_h_
#define __graphfile_h_
#include "graphfile_internal.h"
#include <sys/types.h>
typedef struct graphfile_writer graphfile_writer_t;
typedef struct graphfile_reader graphfile_reader_t;
typedef struct graphfile_linkable graphfile_linkable_t;
typedef unsigned long long graphfile_size_t;
/* All int return types return zero to indicate success */
/* An empty, seekable and writable file must be referenced by file.
* Noone else must move the offset of the file while the writer is active
* (until it is finalized). */
int graphfile_writer_init(graphfile_writer_t *graphfile_writer, FILE *);
/* This must be called to get a coherent file. */
int graphfile_writer_set_root(graphfile_writer_t *graphfile_writer,
graphfile_linkable_t *root);
void graphfile_writer_fini(graphfile_writer_t *graphfile_writer);
int graphfile_writer_write(graphfile_writer_t *graphfile_writer,
char *buffer, graphfile_size_t buffer_length,
graphfile_linkable_t linkables[], graphfile_size_t linkable_count,
graphfile_linkable_t *result_linkable);
/* A coherent, seekable and readable file must be referenced by file. */
int graphfile_reader_init(graphfile_reader_t *graphfile_reader, FILE *,
graphfile_linkable_t *result_root);
void graphfile_reader_fini(graphfile_reader_t *graphfile_reader);
int graphfile_reader_read(graphfile_reader_t *graphfile_reader,
graphfile_linkable_t *node,
char *result_buffer, graphfile_size_t max_buffer_length,
graphfile_size_t *result_buffer_length,
graphfile_linkable_t result_linkables[], graphfile_size_t max_linkable_count,
graphfile_size_t *result_linkables_count);
#endif
|
