/*
 * $TOG: Xfuncs.h /main/17 1998/02/09 11:18:43 kaleb $
 * 
 * 
Copyright 1990, 1998  The Open Group

All Rights Reserved.

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.
 *
 */

#ifndef _XFUNCS_H_
#ifndef _PARAMS
#if defined(__STDC__) || defined(__cplusplus)
#define _PARAMS(ARGS) ARGS
#else
#define _PARAMS(ARGS) ()
#endif
#endif /* _PARAMS */
#define _XFUNCS_H_

#include <X11/Xosdefs.h>

/*
 * Hewlett-Packard
 *    Default is to include string.h, in accordance with the X
 *    consortium. However, do not let strings.h be included later
 *    if this file is included. But, provide the capability for the
 *    user to include strings.h.
*/

#ifdef __XFUNCS_H_INCLUDE_STRINGS_H

#include <strings.h>

#else

/* if string.h is included and we remap all the bcopy/bzero/bcmp */
/* to mem* functions, disallow user include of strings.h as      */
/* there is an incompatibility between these remappings and the  */
/* function prototype in strings.h                               */

#define _STRINGS_INCLUDED

#ifdef X_USEBFUNCS
void bcopy();
void bzero();
int bcmp();
#else
#if (__STDC__ && !defined(X_NOT_STDC_ENV) && !defined(__sun__) && !defined(macII) && !defined(apollo)) || defined(SVR4) || defined(hpux) || defined(__hpux) || defined(_IBMR2) || defined(_SEQUENT_)
#include <string.h>
#define _XFUNCS_H_INCLUDED_STRING_H
#define bcopy(b1,b2,len) memmove(b2, b1, (size_t)(len))
#define bzero(b,len) memset(b, 0, (size_t)(len))
#define bcmp(b1,b2,len) memcmp(b1, b2, (size_t)(len))
#else
#ifdef sgi
#include <bstring.h>
#else
#ifdef SYSV
#include <memory.h>
void bcopy();
#define bzero(b,len) memset(b, 0, len)
#define bcmp(b1,b2,len) memcmp(b1, b2, len)
#else /* bsd */
void bcopy _PARAMS((const void *, void *, __SIZE_TYPE__ ));
void bzero _PARAMS((void *, __SIZE_TYPE__ ));
int bcmp _PARAMS((const void *, const void *, __SIZE_TYPE__ ));
#endif /* SYSV */
#endif /* sgi */
#endif /* __STDC__ and relatives */
#endif /* X_USEBFUNCS */

/* the new Xfuncs.h */

#if !defined(X_NOT_STDC_ENV) && (!defined(__sun__) || defined(SVR4))
/* the ANSI C way */
#ifndef _XFUNCS_H_INCLUDED_STRING_H
#include <string.h>
#endif
#undef bzero
#define bzero(b,len) memset(b,0,len)
#else /* else X_NOT_STDC_ENV or SunOS 4 */
#if defined(SYSV) || defined(luna) || defined(__sun__) || defined(__sxg__)
#include <memory.h>
#define memmove(dst,src,len) bcopy((char *)(src),(char *)(dst),(int)(len))
#if defined(SYSV) && defined(_XBCOPYFUNC)
#undef memmove
#define memmove(dst,src,len) _XBCOPYFUNC((char *)(src),(char *)(dst),(int)(len))
#define _XNEEDBCOPYFUNC
#endif
#else /* else vanilla BSD */
#define memmove(dst,src,len) bcopy((char *)(src),(char *)(dst),(int)(len))
#define memcpy(dst,src,len) bcopy((char *)(src),(char *)(dst),(int)(len))
#define memcmp(b1,b2,len) bcmp((char *)(b1),(char *)(b2),(int)(len))
#endif /* SYSV else */
#endif /* ! X_NOT_STDC_ENV else */

#endif /* __XFUNCS_H_INCLUDE_STRINGS_H */

#endif /* _XFUNCS_H_ */
