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Annotation of 43BSD/contrib/icon/rt/defshort.c, revision 1.1

1.1     ! root        1: #include "../h/rt.h"
        !             2: 
        !             3: /*
        !             4:  * defshort - if dp is null, default to def; otherwise, convert to short
        !             5:  *  integer.  The result is an integer value in *dp.
        !             6:  */
        !             7: 
        !             8: defshort(dp, def)
        !             9: struct descrip *dp;
        !            10: int def;
        !            11:    {
        !            12:    long l;
        !            13: 
        !            14:    DeRef(*dp)
        !            15:    if (NULLDESC(*dp)) {
        !            16:       dp->type = D_INTEGER;
        !            17:       INTVAL(*dp) = def;
        !            18:       return 1;
        !            19:       }
        !            20:    switch (cvint(dp, &l)) {
        !            21:       case T_INTEGER:
        !            22:          dp->type = D_INTEGER;
        !            23:          INTVAL(*dp) = (int)l;
        !            24:          break;
        !            25: #ifdef LONGS
        !            26:       case T_LONGINT:
        !            27:          runerr(205, dp);
        !            28: #endif LONGS
        !            29:       default:
        !            30:          runerr(101, dp);
        !            31:       }
        !            32:    return 0;
        !            33:    }

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