PostGIS  2.3.7dev-r@@SVN_REVISION@@
bytebuffer.h
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24 
25 
26 #ifndef _BYTEBUFFER_H
27 #define _BYTEBUFFER_H 1
28 
29 #include <stdlib.h>
30 #include <stdarg.h>
31 #include <stdint.h>
32 #include "varint.h"
33 
34 #include "lwgeom_log.h"
35 #define BYTEBUFFER_STARTSIZE 128
36 
37 typedef struct
38 {
39  size_t capacity;
40  uint8_t *buf_start;
41  uint8_t *writecursor;
42  uint8_t *readcursor;
43 }
45 
46 void bytebuffer_init_with_size(bytebuffer_t *b, size_t size);
51 void bytebuffer_append_byte(bytebuffer_t *s, const uint8_t val);
52 void bytebuffer_append_varint(bytebuffer_t *s, const int64_t val);
53 void bytebuffer_append_uvarint(bytebuffer_t *s, const uint64_t val);
57 bytebuffer_t* bytebuffer_merge(bytebuffer_t **buff_array, int nbuffers);
59 
60 void bytebuffer_append_bytebuffer(bytebuffer_t *write_to,bytebuffer_t *write_from);
61 void bytebuffer_append_bulk(bytebuffer_t *s, void * start, size_t size);
62 void bytebuffer_append_int(bytebuffer_t *buf, const int val, int swap);
63 void bytebuffer_append_double(bytebuffer_t *buf, const double val, int swap);
64 #endif /* _BYTEBUFFER_H */
uint8_t * writecursor
Definition: bytebuffer.h:41
void bytebuffer_append_bytebuffer(bytebuffer_t *write_to, bytebuffer_t *write_from)
Writes a uint8_t value to the buffer.
Definition: bytebuffer.c:172
bytebuffer_t * bytebuffer_create(void)
Allocate a new bytebuffer_t.
Definition: bytebuffer.c:34
uint8_t * readcursor
Definition: bytebuffer.h:42
void bytebuffer_init_with_size(bytebuffer_t *b, size_t size)
Allocate just the internal buffer of an existing bytebuffer_t struct.
Definition: bytebuffer.c:63
void bytebuffer_append_byte(bytebuffer_t *s, const uint8_t val)
Writes a uint8_t value to the buffer.
Definition: bytebuffer.c:145
bytebuffer_t * bytebuffer_create_with_size(size_t size)
Allocate a new bytebuffer_t.
Definition: bytebuffer.c:44
uint64_t bytebuffer_read_uvarint(bytebuffer_t *s)
Reads a unsigned varInt from the buffer.
Definition: bytebuffer.c:313
void bytebuffer_append_double(bytebuffer_t *buf, const double val, int swap)
Writes a float64 to the buffer.
Definition: bytebuffer.c:259
bytebuffer_t * bytebuffer_merge(bytebuffer_t **buff_array, int nbuffers)
Returns a new bytebuffer were both ingoing bytebuffers is merged.
Definition: bytebuffer.c:336
void bytebuffer_reset_reading(bytebuffer_t *s)
Set the read cursor to the beginning.
Definition: bytebuffer.c:98
size_t capacity
Definition: bytebuffer.h:39
void bytebuffer_clear(bytebuffer_t *s)
Reset the bytebuffer_t.
Definition: bytebuffer.c:109
void bytebuffer_append_varint(bytebuffer_t *s, const int64_t val)
Writes a signed varInt to the buffer.
Definition: bytebuffer.c:187
char * s
Definition: cu_in_wkt.c:23
void bytebuffer_append_uvarint(bytebuffer_t *s, const uint64_t val)
Writes a unsigned varInt to the buffer.
Definition: bytebuffer.c:200
void bytebuffer_destroy(bytebuffer_t *s)
Free the bytebuffer_t and all memory managed within it.
Definition: bytebuffer.c:75
void bytebuffer_append_bulk(bytebuffer_t *s, void *start, size_t size)
Writes a uint8_t value to the buffer.
Definition: bytebuffer.c:159
void bytebuffer_append_int(bytebuffer_t *buf, const int val, int swap)
Definition: bytebuffer.c:214
uint8_t * buf_start
Definition: bytebuffer.h:40
size_t bytebuffer_getlength(bytebuffer_t *s)
Returns the length of the current buffer.
Definition: bytebuffer.c:325
int64_t bytebuffer_read_varint(bytebuffer_t *s)
Reads a signed varInt from the buffer.
Definition: bytebuffer.c:301