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git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14685 87f5fb63-7c3d-0410-a384-fd976d0f7a62
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Olaf Barthel
2004-07-26 16:36:55 +00:00
parent a9e8f137ad
commit 91bcdea2a2
669 changed files with 80825 additions and 0 deletions
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117
library/stdio_vasprintf_hook_entry.c Normal file
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/*
* $Id: stdio_vasprintf_hook_entry.c,v 1.1.1.1 2004-07-26 16:31:43 obarthel Exp $
*
* :ts=4
*
* Portable ISO 'C' (1994) runtime library for the Amiga computer
* Copyright (c) 2002-2004 by Olaf Barthel <olsen@sourcery.han.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Neither the name of Olaf Barthel nor the names of contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _STDLIB_NULL_POINTER_CHECK_H
#include "stdlib_null_pointer_check.h"
#endif /* _STDLIB_NULL_POINTER_CHECK_H */
/****************************************************************************/
#ifndef _STDIO_HEADERS_H
#include "stdio_headers.h"
#endif /* _STDIO_HEADERS_H */
/****************************************************************************/
#include "stdlib_protos.h"
/****************************************************************************/
void
__vasprintf_hook_entry(
struct Hook * UNUSED unused_hook,
struct iob * string_iob,
struct file_hook_message * message)
{
int result = -1;
int error = OK;
int num_bytes_left;
int num_bytes;
assert( message != NULL && string_iob != NULL );
assert( message->action == file_hook_action_write );
if(message->action != file_hook_action_write)
{
error = EBADF;
goto out;
}
if(string_iob->iob_StringPosition + message->size > string_iob->iob_StringSize)
{
const int granularity = 64;
size_t new_size;
char * buffer;
new_size = string_iob->iob_StringPosition + message->size + granularity;
buffer = __malloc(new_size,string_iob->iob_File,string_iob->iob_Line);
if(buffer == NULL)
{
error = ENOBUFS;
goto out;
}
if(string_iob->iob_String != NULL)
{
memmove(buffer,string_iob->iob_String,(size_t)string_iob->iob_StringSize);
__free(string_iob->iob_String,string_iob->iob_File,string_iob->iob_Line);
}
string_iob->iob_String = buffer;
string_iob->iob_StringSize = new_size;
}
assert( string_iob->iob_StringPosition <= string_iob->iob_StringSize );
num_bytes_left = string_iob->iob_StringSize - string_iob->iob_StringPosition;
num_bytes = message->size;
if(num_bytes > num_bytes_left)
num_bytes = num_bytes_left;
assert( num_bytes >= 0 );
assert( message->data != NULL );
memmove(&string_iob->iob_String[string_iob->iob_StringPosition],message->data,(size_t)num_bytes);
string_iob->iob_StringPosition += num_bytes;
result = num_bytes;
out:
message->result = result;
message->error = error;
}