94 lines
3.2 KiB
C
94 lines
3.2 KiB
C
/****************************************************************************
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* libs/libc/obstack/lib_obstack_grow.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <obstack.h>
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#include <string.h>
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: obstack_grow
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*
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* Description:
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* Grow object by given size and allocated it with bytes from address.
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*
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* Input Parameters:
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* h: pointer to the handle to allocated object to
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* address: pointer to the bytes to be used to initialize the new object
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* size: number of bytes to grow object
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*
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****************************************************************************/
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void obstack_grow(FAR struct obstack *h,
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FAR const void *address, size_t size)
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{
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obstack_make_room(h, size);
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memcpy(h->next_free, address, size);
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h->next_free += size;
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}
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/****************************************************************************
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* Name: obstack_grow0
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*
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* Description:
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* Grow object by given size+1 and allocated it with bytes from address
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* plus null byte at the end.
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*
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* Input Parameters:
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* h: pointer to the handle to allocated object to
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* address: pointer to the bytes to be used to initialize the new object
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* size: number of bytes to grow object (excluding the null byte)
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*
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****************************************************************************/
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void obstack_grow0(FAR struct obstack *h,
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FAR const void *address, size_t size)
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{
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obstack_make_room(h, size + 1);
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memcpy(h->next_free, address, size);
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h->next_free += size;
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*h->next_free = '\0';
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h->next_free++;
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}
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/****************************************************************************
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* Name: obstack_1grow
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*
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* Description:
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* Grow object by single data byte.
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*
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* Input Parameters:
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* h: pointer to the handle to allocated object to
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* data: byte to be added to the growing object
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*
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****************************************************************************/
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void obstack_1grow(FAR struct obstack *h, char data)
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{
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obstack_make_room(h, 1);
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obstack_1grow_fast(h, data);
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}
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