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/*
* SCCS: @(#)fappend.c 1.7 (97/07/21)
*
* UniSoft Ltd., London, England
*
* (C) Copyright 1992 X/Open Company Limited
*
* All rights reserved. No part of this source code may be reproduced,
* stored in a retrieval system, or transmitted, in any form or by any
* means, electronic, mechanical, photocopying, recording or otherwise,
* except as stated in the end-user licence agreement, without the prior
* permission of the copyright owners.
*
* X/Open and the 'X' symbol are trademarks of X/Open Company Limited in
* the UK and other countries.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/************************************************************************
SCCS: @(#)fappend.c 1.7 97/07/21 TETware release 3.3
NAME: fappend.c
PRODUCT: TETware
AUTHOR: Andrew Dingwall, UniSoft Ltd.
DATE CREATED: April 1992
DESCRIPTION:
function to set append mode on a file
MODIFICATIONS:
************************************************************************/
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
#include "dtmac.h"
#include "error.h"
#include "ltoa.h"
#include "dtetlib.h"
/*
** tet_fappend() - set append mode on a file
**
** return 0 if successful or -1 on error
**
** note that this function is a no-op on WIN32
*/
int tet_fappend(fd)
int fd;
{
register int flags;
if ((flags = fcntl(fd, F_GETFL, 0)) < 0) {
error(errno, "can't get file status flags for fd", tet_i2a(fd));
return(-1);
}
# ifdef FAPPEND
/* BSD style */
flags |= FAPPEND;
# else
/* SYSV style */
flags |= O_APPEND;
# endif /* FAPPEND */
if (fcntl(fd, F_SETFL, flags) < 0) {
error(errno, "can't set file status flags on fd", tet_i2a(fd));
return(-1);
}
return(0);
}
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