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