library/stdlib_dlerror.c
/*
* $Id: stdlib_dlerror.c,v 1.2 2010-08-21 11:37:03 obarthel Exp $
*
* :ts=4
*
* Portable ISO 'C' (1994) runtime library for the Amiga computer
* Copyright (c) 2002-2015 by Olaf Barthel <obarthel (at) gmx.net>
* 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_HEADERS_H
#include "stdlib_headers.h"
#endif /* _STDLIB_HEADERS_H */
/****************************************************************************/
/* The shared object API is available only on AmigaOS 4.0. */
#if defined(__amigaos4__)
/****************************************************************************/
#include <dlfcn.h>
/****************************************************************************/
#include <libraries/elf.h>
/****************************************************************************/
extern Elf32_Error __elf_error_code;
/****************************************************************************/
const char * dlerror(void)
{
const char * result;
switch(__elf_error_code)
{
case ELF32_NO_ERROR:
result = NULL;
break;
case ELF32_OUT_OF_MEMORY:
result = "out of memory";
break;
case ELF32_INVALID_HANDLE:
result = "invalid handle";
break;
case ELF32_NO_MORE_RELOCS:
result = "no more relocs";
break;
case ELF32_SECTION_NOT_LOADED:
result = "section not loaded";
break;
case ELF32_UNKNOWN_RELOC:
result = "unknown reloc";
break;
case ELF32_READ_ERROR:
result = "read error";
break;
case ELF32_INVALID_SDA_BASE:
result = "invalid SDA base";
break;
case ELF32_SYMBOL_NOT_FOUND:
result = "symbol not found";
break;
case ELF32_INVALID_NAME:
result = "invalid name";
break;
case ELF32_REQUIRED_OBJECT_MISSING:
result = "required object missing";
break;
default:
result = "unknown error";
break;
}
/* Calling dlerror() will clear the error code. */
__elf_error_code = ELF32_NO_ERROR;
return(result);
}
/****************************************************************************/
#endif /* __amigaos4__ */