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

1.1       root        1: /* Copyright (c) 1979 Regents of the University of California */
                      2: 
                      3: static char sccsid[] = "@(#)DISPOSE.c 1.3 6/10/81";
                      4: 
                      5: #include       "h00vars.h"
                      6: 
                      7: DISPOSE(var, siz)
                      8:        register char   **var;  /* pointer to pointer being deallocated */
                      9:        long            siz;    /* sizeof(bletch) */
                     10: {
                     11:        register int size = siz;
                     12: 
                     13:        if (*var == 0 || *var + size > _maxptr || *var < _minptr) {
                     14:                ERROR("Pointer value out of legal range\n", 0);
                     15:                return;
                     16:        }
                     17:        free(*var);
                     18:        if (*var == _minptr)
                     19:                _minptr += size;
                     20:        if (*var + size == _maxptr)
                     21:                _maxptr -= size;
                     22:        *var = (char *)(0);
                     23: }

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