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https://github.com/adtools/clib2.git
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d74535f87f
management code in the default link library along with the normal versions. Let's see how well this works out in the GCC version. SAS/C does not seem to like it... git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14785 87f5fb63-7c3d-0410-a384-fd976d0f7a62
120 lines
3.6 KiB
C
120 lines
3.6 KiB
C
/*
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* $Id: stdio_vasprintf_hook_entry.c,v 1.2 2004-12-24 18:31:38 obarthel Exp $
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*
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* :ts=4
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*
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* Portable ISO 'C' (1994) runtime library for the Amiga computer
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* Copyright (c) 2002-2004 by Olaf Barthel <olsen@sourcery.han.de>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Neither the name of Olaf Barthel nor the names of contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _STDLIB_NULL_POINTER_CHECK_H
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#include "stdlib_null_pointer_check.h"
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#endif /* _STDLIB_NULL_POINTER_CHECK_H */
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/****************************************************************************/
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#ifndef _STDIO_HEADERS_H
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#include "stdio_headers.h"
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#endif /* _STDIO_HEADERS_H */
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/****************************************************************************/
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#ifndef _STDLIB_HEADERS_H
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#include "stdlib_headers.h"
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#endif /* _STDLIB_HEADERS_H */
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/****************************************************************************/
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void
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__vasprintf_hook_entry(
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struct Hook * UNUSED unused_hook,
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struct iob * string_iob,
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struct file_hook_message * message)
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{
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int result = -1;
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int error = OK;
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int num_bytes_left;
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int num_bytes;
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assert( message != NULL && string_iob != NULL );
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assert( message->action == file_hook_action_write );
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if(message->action != file_hook_action_write)
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{
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error = EBADF;
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goto out;
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}
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if(string_iob->iob_StringPosition + message->size > string_iob->iob_StringSize)
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{
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const int granularity = 64;
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size_t new_size;
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char * buffer;
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new_size = string_iob->iob_StringPosition + message->size + granularity;
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buffer = __malloc(new_size,string_iob->iob_File,string_iob->iob_Line);
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if(buffer == NULL)
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{
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error = ENOBUFS;
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goto out;
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}
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if(string_iob->iob_String != NULL)
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{
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memmove(buffer,string_iob->iob_String,(size_t)string_iob->iob_StringSize);
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__free(string_iob->iob_String,string_iob->iob_File,string_iob->iob_Line);
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}
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string_iob->iob_String = buffer;
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string_iob->iob_StringSize = new_size;
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}
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assert( string_iob->iob_StringPosition <= string_iob->iob_StringSize );
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num_bytes_left = string_iob->iob_StringSize - string_iob->iob_StringPosition;
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num_bytes = message->size;
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if(num_bytes > num_bytes_left)
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num_bytes = num_bytes_left;
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assert( num_bytes >= 0 );
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assert( message->data != NULL );
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memmove(&string_iob->iob_String[string_iob->iob_StringPosition],message->data,(size_t)num_bytes);
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string_iob->iob_StringPosition += num_bytes;
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result = num_bytes;
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out:
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message->result = result;
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message->error = error;
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}
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