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Annotation of 43BSDReno/lib/libpc/DFDISPOSE.c, revision 1.1

1.1     ! root        1: /*-
        !             2:  * Copyright (c) 1982 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[] = "@(#)DFDISPOSE.c        4.4 (Berkeley) 4/9/90";
        !            22: #endif /* not lint */
        !            23: 
        !            24: /*
        !            25:  * Close all active files within a dynamic record,
        !            26:  * then dispose of the record.
        !            27:  */
        !            28: 
        !            29: #include "h00vars.h"
        !            30: #include "libpc.h"
        !            31: 
        !            32: DFDISPOSE(var, size)
        !            33:        char    **var;  /* pointer to pointer being deallocated */
        !            34:        long    size;   /* sizeof(bletch) */
        !            35: {
        !            36:        register struct iorec   *next, *prev;
        !            37:        struct iorec *start, *end;
        !            38: 
        !            39:        start = (struct iorec *)(*var);
        !            40:        end = (struct iorec *)(*var + size);
        !            41:        prev = (struct iorec *)(&_fchain);
        !            42:        next = _fchain.fchain;
        !            43:        while(next != FILNIL && (next->flev < GLVL || next < start)) {
        !            44:                prev = next;
        !            45:                next = next->fchain;
        !            46:        }
        !            47:        while(next != FILNIL && start <= next && next < end)
        !            48:                next = PFCLOSE(next, TRUE);
        !            49:        prev->fchain = next;
        !            50:        DISPOSE(var, size);
        !            51: }

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