'Rename' Library Function?

[Jonathan Bayer]

dave at oldcolo.UUCP (Dave Hughes) writes:

>WHen I try to compile an indexing program written on a Mac (AIX I think)
>system, which has a 'rename' library function, it bombs on that function,
>returning an 'unresolved external' error on _rename.

>It is used - and needed - in the following type of use:

>    char oldname[32], finalname[65];                                   
>    sprintf (oldname, "x%dk0", generation_number);                     
>    sprintf (finalname, "%s.k", doc_filename);                         
>    if (rename (oldname, finalname))                                   
>        printf ("Sorry -- error in renaming file %s to %s!\n", oldname,
>                finalname);                                            

>I cannot find another 386 Xenix compiler library function which will
>work in its place. Any suggestions?



Use the following:

	if ( (z = link (oldname, newname)) == 0) {
		z = unlink (oldname);

	if (z) printf ("Sorry -- error in renaming file %s to %s!\n", oldname,
                 finalname);
	printf ("error: %d\n",errno);


JB

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