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amiga-clib2/library/stdio_rename.c
Olaf Barthel 1df294c07e - The thread-safety code is now subject to conditional compilation.
Both the library and the user code need to be rebuilt with the
  preprocessor symbol __THREAD_SAFE defined to get thread-safe
  code.


git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14843 87f5fb63-7c3d-0410-a384-fd976d0f7a62
2005-02-28 10:07:35 +00:00

150 lines
3.7 KiB
C

/*
* $Id: stdio_rename.c,v 1.4 2005-02-28 10:07:31 obarthel Exp $
*
* :ts=4
*
* Portable ISO 'C' (1994) runtime library for the Amiga computer
* Copyright (c) 2002-2005 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 */
/****************************************************************************/
int
rename(const char *oldname,const char *newname)
{
#if defined(UNIX_PATH_SEMANTICS)
struct name_translation_info old_nti;
struct name_translation_info new_nti;
#endif /* UNIX_PATH_SEMANTICS */
int result = -1;
LONG status;
ENTER();
SHOWSTRING(oldname);
SHOWSTRING(newname);
assert( oldname != NULL && newname != NULL );
if(__check_abort_enabled)
__check_abort();
#if defined(CHECK_FOR_NULL_POINTERS)
{
if(oldname == NULL || newname == NULL)
{
SHOWMSG("invalid parameters");
__set_errno(EFAULT);
goto out;
}
}
#endif /* CHECK_FOR_NULL_POINTERS */
#if defined(UNIX_PATH_SEMANTICS)
{
if(__unix_path_semantics)
{
if(__translate_unix_to_amiga_path_name(&oldname,&old_nti) != 0)
goto out;
if(__translate_unix_to_amiga_path_name(&newname,&new_nti) != 0)
goto out;
if(old_nti.is_root || new_nti.is_root)
{
__set_errno(EACCES);
goto out;
}
}
}
#endif /* UNIX_PATH_SEMANTICS */
D(("renaming '%s' to '%s'",oldname,newname));
PROFILE_OFF();
status = Rename((STRPTR)oldname,(STRPTR)newname);
PROFILE_ON();
if(status == DOSFALSE)
{
SHOWMSG("that didn't work");
#if defined(UNIX_PATH_SEMANTICS)
{
BOOL renamed;
if(IoErr() != ERROR_OBJECT_EXISTS)
{
SHOWMSG("that was some other error");
__set_errno(__translate_io_error_to_errno(IoErr()));
goto out;
}
SHOWMSG("deleting the target file and renaming the source file");
/* ZZZ there should be a safer solution for this */
PROFILE_OFF();
renamed = (BOOL)(DeleteFile((STRPTR)newname) && Rename((STRPTR)oldname,(STRPTR)newname));
PROFILE_ON();
if(NOT renamed)
{
SHOWMSG("that didn't work");
__set_errno(__translate_access_io_error_to_errno(IoErr()));
goto out;
}
}
#else
{
__set_errno(__translate_io_error_to_errno(IoErr()));
goto out;
}
#endif /* UNIX_PATH_SEMANTICS */
}
result = 0;
out:
RETURN(result);
return(result);
}