handle restructure of C library, get machine type cleanly

[unix-history] / usr / src / local / sccscmds / sccscmds.ok / util / rename.c

# include "../hdr/macros.h"
# include "errno.h"
# include "../hdr/fatal.h"
SCCSID(@(#)rename       2.1);

/*
       rename (unlink/link)
       Calls xlink() and xunlink().
*/

rename(oldname,newname)
char *oldname, *newname;
{
       extern int errno;

       if (unlink(newname) < 0 && errno != ENOENT)
               return(xunlink(newname));

       if (xlink(oldname,newname) == Fvalue)
               return(-1);
       return(xunlink(oldname));
}