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Annotation of coherent/d/lib/libc/gen/malloc/memok.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * memok.c
        !             3:  * Test for corruption of malloc arena.
        !             4:  */
        !             5: 
        !             6: #include <stdio.h>
        !             7: #include <sys/malloc.h>
        !             8: 
        !             9: /*
        !            10:  * memok() returns 1 if memory is ok,
        !            11:  * 0 if it is corrupted.
        !            12:  */
        !            13: int
        !            14: memok()
        !            15: {
        !            16:        register MBLOCK *mp;
        !            17:        unsigned counter, flag, len;
        !            18: 
        !            19:        if (NULL == (mp = __a_first))
        !            20:                return ((NULL == __a_scanp) && !__a_count);
        !            21:        flag = 0;
        !            22:        for (counter = __a_count; counter--; ) {
        !            23:                if (mp == __a_scanp)
        !            24:                        flag++;
        !            25:                mp = (len = realsize(mp->blksize)) ? bumpp(mp, len) : mp->uval.next;
        !            26:        }
        !            27:        return ((1 == flag) && (mp == __a_first));
        !            28: }

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