mirror of
https://git.osgeo.org/gitea/postgis/postgis
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591d0c69ba
This reverts commit 0696fa4669.
I'm not sure what I did there, it seems like I pushed smaller commits
instead of a squashed one, and then did a revert that undid everything.
References #4623
78 lines
2.8 KiB
C
78 lines
2.8 KiB
C
/**********************************************************************
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*
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* PostGIS - Spatial Types for PostgreSQL
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* http://postgis.net
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*
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* PostGIS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* PostGIS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with PostGIS. If not, see <http://www.gnu.org/licenses/>.
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*
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**********************************************************************
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*
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* Copyright 2015 Nicklas Avén <nicklas.aven@jordogskog.no>
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*
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**********************************************************************/
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#ifndef _BYTEBUFFER_H
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#define _BYTEBUFFER_H 1
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdint.h>
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#include "varint.h"
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#include "liblwgeom_internal.h"
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#include "lwgeom_log.h"
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#define BYTEBUFFER_STARTSIZE 512
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#define BYTEBUFFER_STATICSIZE 1024
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typedef struct
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{
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size_t capacity;
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uint8_t *buf_start;
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uint8_t *writecursor;
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uint8_t *readcursor;
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uint8_t buf_static[BYTEBUFFER_STATICSIZE];
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}
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bytebuffer_t;
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void bytebuffer_init_with_size(bytebuffer_t *b, size_t size);
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void bytebuffer_destroy_buffer(bytebuffer_t *s);
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void bytebuffer_append_byte(bytebuffer_t *s, const uint8_t val);
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void bytebuffer_append_bytebuffer(bytebuffer_t *write_to, bytebuffer_t *write_from);
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void bytebuffer_append_varint(bytebuffer_t *s, const int64_t val);
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void bytebuffer_append_uvarint(bytebuffer_t *s, const uint64_t val);
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size_t bytebuffer_getlength(const bytebuffer_t *s);
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lwvarlena_t *bytebuffer_get_buffer_varlena(const bytebuffer_t *s);
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const uint8_t* bytebuffer_get_buffer(const bytebuffer_t *s, size_t *buffer_length);
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/* Unused functions */
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#if 0
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void bytebuffer_destroy(bytebuffer_t *s);
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bytebuffer_t *bytebuffer_create_with_size(size_t size);
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bytebuffer_t *bytebuffer_create(void);
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void bytebuffer_clear(bytebuffer_t *s);
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uint8_t* bytebuffer_get_buffer_copy(const bytebuffer_t *s, size_t *buffer_length);
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uint64_t bytebuffer_read_uvarint(bytebuffer_t *s);
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int64_t bytebuffer_read_varint(bytebuffer_t *s);
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bytebuffer_t* bytebuffer_merge(bytebuffer_t **buff_array, int nbuffers);
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void bytebuffer_reset_reading(bytebuffer_t *s);
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void bytebuffer_append_bytebuffer(bytebuffer_t *write_to,bytebuffer_t *write_from);
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void bytebuffer_append_bulk(bytebuffer_t *s, void * start, size_t size);
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void bytebuffer_append_int(bytebuffer_t *buf, const int val, int swap);
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void bytebuffer_append_double(bytebuffer_t *buf, const double val, int swap);
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#endif
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#endif /* _BYTEBUFFER_H */
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