mirror of
https://github.com/adtools/clib2.git
synced 2025-12-08 14:59:05 +00:00
91028c63bc
code which initialized them. - Reading/changing the errno variable is no longer done directly, but involves accessor functions. - References to the HUGE_VAL quantity now involve an accessor function, too. - Changed the manner in which the __huge_val constant is initialized by the __math_init() function. git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14824 87f5fb63-7c3d-0410-a384-fd976d0f7a62
122 lines
3.2 KiB
C
122 lines
3.2 KiB
C
/*
|
|
* $Id: stdio_tmpnam.c,v 1.4 2005-02-03 16:56:16 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 _STDIO_HEADERS_H
|
|
#include "stdio_headers.h"
|
|
#endif /* _STDIO_HEADERS_H */
|
|
|
|
#ifndef _STDLIB_HEADERS_H
|
|
#include "stdlib_headers.h"
|
|
#endif /* _STDLIB_HEADERS_H */
|
|
|
|
/****************************************************************************/
|
|
|
|
char *
|
|
tmpnam(char *buf)
|
|
{
|
|
static char local_buffer[L_tmpnam];
|
|
static unsigned short counter;
|
|
APTR old_window_pointer;
|
|
unsigned short c;
|
|
char * result = NULL; /* ZZZ compiler claims that this assignment is unnecessary. */
|
|
BPTR lock;
|
|
int i;
|
|
|
|
ENTER();
|
|
|
|
if(__check_abort_enabled)
|
|
__check_abort();
|
|
|
|
/* If no user-supplied buffer is available, use the local one. */
|
|
if(buf == NULL)
|
|
buf = local_buffer;
|
|
|
|
while(TRUE)
|
|
{
|
|
if(__check_abort_enabled)
|
|
__check_abort();
|
|
|
|
c = (counter++);
|
|
|
|
/* Build another temporary file name, which begins with the
|
|
* letters 'tmp' followed by an octal number.
|
|
*/
|
|
strcpy(buf,"tmp");
|
|
|
|
for(i = 0 ; i < 10 ; i++)
|
|
{
|
|
buf[3 + 10 - (i+1)] = '0' + (c % 8);
|
|
c = (c / 8);
|
|
}
|
|
|
|
buf[3 + 10] = '\0';
|
|
|
|
D(("checking if '%s' exists",buf));
|
|
|
|
/* Turn off DOS error requesters. */
|
|
old_window_pointer = __set_process_window((APTR)-1);
|
|
|
|
/* Does this object exist already? */
|
|
PROFILE_OFF();
|
|
lock = Lock(buf,SHARED_LOCK);
|
|
PROFILE_ON();
|
|
|
|
/* Restore DOS requesters. */
|
|
__set_process_window(old_window_pointer);
|
|
|
|
if(lock == ZERO)
|
|
{
|
|
/* If the object does not exist yet then we
|
|
* are finished.
|
|
*/
|
|
if(IoErr() == ERROR_OBJECT_NOT_FOUND)
|
|
result = buf;
|
|
else
|
|
__set_errno(__translate_io_error_to_errno(IoErr()));
|
|
|
|
break;
|
|
}
|
|
|
|
/* OK, so it exists already. Start over... */
|
|
|
|
PROFILE_OFF();
|
|
UnLock(lock);
|
|
PROFILE_ON();
|
|
}
|
|
|
|
SHOWSTRING(result);
|
|
|
|
RETURN(result);
|
|
return(result);
|
|
}
|