/*
		    Language Independent Library

	    Copyright 1983-2000 Green Hills Software,Inc.

 *  This program is the property of Green Hills Software, Inc,
 *  its contents are proprietary information and no part of it
 *  is to be disclosed to anyone except employees of Green Hills
 *  Software, Inc., or as agreed in writing signed by the President
 *  of Green Hills Software, Inc.
*/
/* ind_renm.c: ANSI rename() facility. */

#include "indos.h"

/* If an external ANSI-compliant libc.a is available, it will have rename() */
#if !defined(LIBCISANSI)
/******************************************************************************/
/*  int rename(const char *old, const char *new);			      */
/*  Rename the file named "old" to the name "new".			      */
/*  Return 0 if the operation succeeds.  Return -1 if there is no such        */
/*  file or if the file cannot be renamed, and set errno appropriately	      */
/******************************************************************************/
int rename(const char *old, const char *new) {
#if defined(EMBEDDED)
#pragma ghs nowarning 1547	/* Syscall prototypes might not match */
    return __ghs_syscall(SYSCALL_RENAME, old, new);
#pragma ghs endnowarning 1547
#elif 0	/* no known systems still require this to be provided for them */
    if (link(old, new)!=0)
	return(-1);
    return(unlink(old));
#else
/*
 *  If no other implementation is provided, return -1 (there are no files)
 */
    return(-1);
#endif
}
#endif	/* !LIBCISANSI */