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Viewing changes to src/3rdparty/webkit/WebCore/platform/Arena.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Alessandro Ghersi
  • Date: 2009-11-02 18:30:08 UTC
  • mfrom: (1.2.2 upstream)
  • mto: (15.2.5 experimental)
  • mto: This revision was merged to the branch mainline in revision 88.
  • Revision ID: james.westby@ubuntu.com-20091102183008-b6a4gcs128mvfb3m
Tags: upstream-4.6.0~beta1
Import upstream version 4.6.0~beta1

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src/3rdparty/webkit/WebCore/platform/Arena.cpp
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    }
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} /* --- end ArenaAllocate() --- */
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void* ArenaGrow(ArenaPool *pool, void *p, unsigned int size, unsigned int incr)
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{
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    void *newp;
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    ARENA_ALLOCATE(newp, pool, size + incr);
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    if (newp)
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        memcpy(newp, p, size);
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    return newp;
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}
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/*
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 * Free tail arenas linked after head, which may not be the true list head.
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 * Reset pool->current to point to head in case it pointed at a tail arena.
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    pool->current = head;
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}
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void ArenaRelease(ArenaPool *pool, char *mark)
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{
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    Arena *a;
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    for (a = pool->first.next; a; a = a->next) {
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        if (UPTRDIFF(mark, a->base) < UPTRDIFF(a->avail, a->base)) {
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            a->avail = (uword)ARENA_ALIGN(pool, mark);
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            FreeArenaList(pool, a, false);
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            return;
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        }
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    }
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}
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void FreeArenaPool(ArenaPool *pool)
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{
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    FreeArenaList(pool, &pool->first, false);