method

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Ruby latest stable (v2_5_5) - 0 notes - Class: Pointer

1_8_6_287
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1_8_7_330
1_9_1_378
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2_1_10 (0)
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2_6_3 (0)
What's this?

-(p1) public

Returns a new pointer instance that has been moved back n bytes.

static VALUE
rb_fiddle_ptr_minus(VALUE self, VALUE other)
{
    void *ptr;
    long num, size;

    ptr = rb_fiddle_ptr2cptr(self);
    size = RPTR_DATA(self)->size;
    num = NUM2LONG(other);
    return rb_fiddle_ptr_new((char *)ptr - num, size + num, 0);
}

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