64 lines
1.4 KiB
C
64 lines
1.4 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Client
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* Stream Utils
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*
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* Copyright 2011 Vic Lee
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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 <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <freerdp/utils/memory.h>
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#include <freerdp/utils/stream.h>
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STREAM *
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stream_new(int capacity)
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{
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STREAM * stream;
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stream = (STREAM *) xmalloc(sizeof(STREAM));
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if (stream != NULL)
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{
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capacity = capacity > 0 ? capacity : 0x400;
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stream->buffer = (uint8 *) xmalloc(capacity);
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stream->ptr = stream->buffer;
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stream->capacity = capacity;
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}
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return stream;
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}
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void
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stream_free(STREAM * stream)
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{
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if (stream != NULL)
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{
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xfree(stream->buffer);
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xfree(stream);
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}
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}
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void
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stream_extend(STREAM * stream)
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{
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int pos;
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pos = stream_get_pos(stream);
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stream->capacity <<= 1;
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stream->buffer = (uint8 *) realloc(stream->buffer, stream->capacity);
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stream_set_pos(stream, pos);
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}
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