Files
seta75D d6fe8fe829 Init
2021-10-11 22:19:34 -03:00

212 lines
6.3 KiB
C

/*
* COMPONENT_NAME: BLDPROCESS
*
* FUNCTIONS: concat
* defined
* vconcat
*
* ORIGINS: 27,71
*
* This module contains IBM CONFIDENTIAL code. -- (IBM
* Confidential Restricted when combined with the aggregated
* modules for this product)
* SOURCE MATERIALS
*
* (C) COPYRIGHT International Business Machines Corp. 1994
* All Rights Reserved
* US Government Users Restricted Rights - Use, duplication or
* disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
*/
/*
* @OSF_FREE_COPYRIGHT@
* COPYRIGHT NOTICE
* Copyright (c) 1992, 1991, 1990
* Open Software Foundation, Inc.
*
* Permission is hereby granted to use, copy, modify and freely distribute
* the software in this file and its documentation for any purpose without
* fee, provided that the above copyright notice appears in all copies and
* that both the copyright notice and this permission notice appear in
* supporting documentation. Further, provided that the name of Open
* Software Foundation, Inc. ("OSF") not be used in advertising or
* publicity pertaining to distribution of the software without prior
* written permission from OSF. OSF makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
* COPYRIGHT NOTICE
* Copyright (c) 1992, 1991, 1990
* Open Software Foundation, Inc.
*
* Permission is hereby granted to use, copy, modify and freely distribute
* the software in this file and its documentation for any purpose without
* fee, provided that the above copyright notice appears in all copies and
* that both the copyright notice and this permission notice appear in
* supporting documentation. Further, provided that the name of Open
* Software Foundation, Inc. ("OSF") not be used in advertising or
* publicity pertaining to distribution of the software without prior
* written permission from OSF. OSF makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* Copyright (c) 1992 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software_Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
* HISTORY
* $Log: concat.c,v $
* Revision 1.7.7.1 1993/08/19 18:26:41 damon
* CR 622. Changed if STDC to ifdef STDC
* [1993/08/19 18:25:53 damon]
*
* Revision 1.7.5.2 1993/04/27 20:43:19 damon
* CR 463. Made pedantic changes
* [1993/04/27 20:43:07 damon]
*
* Revision 1.7.2.3 1992/12/03 17:20:30 damon
* ODE 2.2 CR 183. Added CMU notice
* [1992/12/03 17:07:55 damon]
*
* Revision 1.7.2.2 1992/12/02 20:25:46 damon
* ODE 2.2 CR 183. Added CMU notice
* [1992/12/02 20:23:07 damon]
*
* Revision 1.7 1991/12/05 21:04:28 devrcs
* Added _FREE_ to copyright marker
* [91/08/01 08:10:53 mckeen]
*
* rcsid/RCSfile header cleanup
* [90/12/01 17:23:05 dwm]
*
* Revision 1.5 90/10/07 20:02:49 devrcs
* Added EndLog Marker.
* [90/09/28 20:08:18 gm]
*
* Revision 1.4 90/08/09 14:22:46 devrcs
* Moved here from usr/local/sdm/lib/libsb.
* [90/08/05 12:46:13 gm]
*
* Revision 1.3 90/06/29 14:38:10 devrcs
* Moved here from defunct libcs library.
* [90/06/23 14:20:31 gm]
*
* Revision 1.2 90/01/02 19:26:35 gm
* Fixes for first snapshot.
*
* Revision 1.1 89/12/26 10:13:09 gm
* Current version from CMU.
* [89/12/23 gm]
*
* Revision 1.3 89/08/30 18:09:29 bww
* Updated handling of variable argument lists.
* [89/08/30 18:08:22 bww]
*
* Revision 2.2 88/12/13 13:51:06 gm0w
* Created.
* [88/12/04 gm0w]
*
* $EndLog$
*/
#ifndef lint
static char sccsid[] = "@(#)74 1.1 src/bldenv/sbtools/libode/concat.c, bldprocess, bos412, GOLDA411a 1/19/94 17:40:47";
#endif /* not lint */
#if !defined(lint) && !defined(_NOIDENT)
static char rcsid[] = "@(#)$RCSfile: concat.c,v $ $Revision: 1.7.7.1 $ (OSF) $Date: 1993/08/19 18:26:41 $";
#endif
/*
* subroutine for concatenating strings into a buffer
*
* char *concat(buf, buflen, ptr1, ptr2, ..., NULL) { char *ep; return(ep); }
* char *buf, *ptr1, *ptr2, ...;
* int buflen;
*
* "buflen" should be sizeof("buf")
* "buf" will be terminated by a null byte
* "concat" will return a pointer to the null byte, if return is non-null
*
* concat will return null(0) under any of the following conditions:
* 1) buf is null
* 2) buflen <= 0
* 3) buf was not large enough to hold the contents of all the ptrs.
*/
#include <stdio.h>
#ifdef __STDC__
#include <stdarg.h>
#else
#include <varargs.h>
#endif
#include <ode/util.h>
char *
vconcat( char *buf, int buflen, va_list ap );
/*VARARGS2*/
char *
#ifdef __STDC__
concat(char *buf, int buflen, ...)
#else
concat(va_alist)
va_dcl
#endif
{
#ifndef __STDC__
char *buf;
int buflen;
#endif
va_list ap;
char *ptr;
#ifdef __STDC__
va_start(ap, buflen);
#else
va_start(ap);
buf = va_arg(ap, char *);
buflen = va_arg(ap, int);
#endif
ptr = vconcat(buf, buflen, ap);
va_end(ap);
return(ptr);
}
char *
vconcat( char *buf, int buflen, va_list ap )
{
register char *arg, *ptr, *ep;
if (buf == NULL)
return(NULL);
if (buflen <= 0)
return(NULL);
ptr = buf;
*ptr = '\0';
ep = buf + buflen;
while (ptr != NULL && (arg = va_arg(ap, char *)) != NULL)
while ((*ptr = *arg++))
if (++ptr == ep) {
ptr = NULL;
break;
}
return(ptr);
}