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66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
/*
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* Copyright 2013 MongoDB, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "bson/bson-prelude.h"
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#ifndef BSON_WRITER_H
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#define BSON_WRITER_H
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#include "bson/bson.h"
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BSON_BEGIN_DECLS
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/**
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* bson_writer_t:
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*
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* The bson_writer_t structure is a helper for writing a series of BSON
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* documents to a single malloc() buffer. You can provide a realloc() style
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* function to grow the buffer as you go.
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*
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* This is useful if you want to build a series of BSON documents right into
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* the target buffer for an outgoing packet. The offset parameter allows you to
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* start at an offset of the target buffer.
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*/
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typedef struct _bson_writer_t bson_writer_t;
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BSON_EXPORT (bson_writer_t *)
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bson_writer_new (uint8_t **buf,
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size_t *buflen,
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size_t offset,
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bson_realloc_func realloc_func,
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void *realloc_func_ctx);
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BSON_EXPORT (void)
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bson_writer_destroy (bson_writer_t *writer);
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BSON_EXPORT (size_t)
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bson_writer_get_length (bson_writer_t *writer);
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BSON_EXPORT (bool)
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bson_writer_begin (bson_writer_t *writer, bson_t **bson);
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BSON_EXPORT (void)
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bson_writer_end (bson_writer_t *writer);
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BSON_EXPORT (void)
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bson_writer_rollback (bson_writer_t *writer);
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BSON_END_DECLS
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#endif /* BSON_WRITER_H */
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