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

1.1       root        1: /*-
                      2:  * Copyright (c) 1979 The Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms are permitted
                      6:  * provided that: (1) source distributions retain this entire copyright
                      7:  * notice and comment, and (2) distributions including binaries display
                      8:  * the following acknowledgement:  ``This product includes software
                      9:  * developed by the University of California, Berkeley and its contributors''
                     10:  * in the documentation or other materials provided with the distribution
                     11:  * and in all advertising materials mentioning features or use of this
                     12:  * software. Neither the name of the University nor the names of its
                     13:  * contributors may be used to endorse or promote products derived
                     14:  * from this software without specific prior written permission.
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18:  */
                     19: 
                     20: #ifndef lint
                     21: static char sccsid[] = "@(#)TEOLN.c    1.5 (Berkeley) 4/9/90";
                     22: #endif /* not lint */
                     23: 
                     24: #include "h00vars.h"
                     25: 
                     26: bool
                     27: TEOLN(filep)
                     28: 
                     29:        register struct iorec   *filep;
                     30: {
                     31:        if (filep->fblk >= MAXFILES || _actfile[filep->fblk] != filep ||
                     32:            (filep->funit & FDEF)) {
                     33:                ERROR("Reference to an inactive file\n", 0);
                     34:                return;
                     35:        }
                     36:        if (filep->funit & FWRITE) {
                     37:                ERROR("%s: eoln is undefined on files open for writing\n",
                     38:                    filep->pfname);
                     39:                return;
                     40:        }
                     41:        IOSYNC(filep);
                     42:        if (filep->funit & EOFF) {
                     43:                ERROR("%s: eoln is undefined when eof is true\n",
                     44:                    filep->pfname);
                     45:                return;
                     46:        }
                     47:        if (filep->funit & EOLN)
                     48:                return TRUE;
                     49:        return FALSE;
                     50: }

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