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Annotation of 43BSD/usr.lib/libpc/TEOLN.c, revision 1.1.1.1

1.1       root        1: /* Copyright (c) 1979 Regents of the University of California */
                      2: 
                      3: static char sccsid[] = "@(#)TEOLN.c 1.4 8/16/82";
                      4: 
                      5: #include "h00vars.h"
                      6: 
                      7: bool
                      8: TEOLN(filep)
                      9: 
                     10:        register struct iorec   *filep;
                     11: {
                     12:        if (filep->fblk >= MAXFILES || _actfile[filep->fblk] != filep ||
                     13:            (filep->funit & FDEF)) {
                     14:                ERROR("Reference to an inactive file\n", 0);
                     15:                return;
                     16:        }
                     17:        if (filep->funit & FWRITE) {
                     18:                ERROR("%s: eoln is undefined on files open for writing\n",
                     19:                    filep->pfname);
                     20:                return;
                     21:        }
                     22:        IOSYNC(filep);
                     23:        if (filep->funit & EOFF) {
                     24:                ERROR("%s: eoln is undefined when eof is true\n",
                     25:                    filep->pfname);
                     26:                return;
                     27:        }
                     28:        if (filep->funit & EOLN)
                     29:                return TRUE;
                     30:        return FALSE;
                     31: }

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