Function make0sort

v2/engine/make.c:883–912

 */

static TARGETS * make0sort( TARGETS * chain )
{
    PROFILE_ENTER( MAKE_MAKE0SORT );

    TARGETS * result = 0;

    /* Walk the current target list. */
    while ( chain )
    {
        TARGETS * c = chain;
        TARGETS * s = result;

        chain = chain->next;

        /* Find point s in result for c. */
        while ( s && timestamp_cmp( &s->target->time, &c->target->time ) > 0 )
            s = s->next;

        /* Insert c in front of s (might be 0). */
        c->next = s;                           /* good even if s = 0       */
        if ( result == s ) result = c;         /* new head of chain?       */
        if ( !s ) s = result;                  /* wrap to ensure a next    */
        if ( result != c ) s->tail->next = c;  /* not head? be prev's next */
        c->tail = s->tail;                     /* take on next's prev      */
        s->tail = c;                           /* make next's prev us      */
    }

    PROFILE_EXIT( MAKE_MAKE0SORT );
    return result;
}


static LIST * targets_to_update_ = L0;