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36 lines
659 B
D
36 lines
659 B
D
extern(C) int printf(char*, ...);
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void main()
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{
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printf("Pointer arithmetic test\n");
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int* p;
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printf("0x%x\n", p);
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assert(p++ is null);
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assert(cast(size_t)p == 4);
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printf("0x%x\n", p);
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p--;
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assert(p is null);
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printf("0x%x\n", p);
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int d = 4;
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p+=d;
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printf("0x%x\n", p);
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assert(cast(size_t)p == 16);
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d = 2;
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p+=d;
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printf("0x%x\n", p);
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assert(cast(size_t)p == 0x18);
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d = 6;
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p-=d;
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printf("0x%x\n", p);
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assert(p is null);
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printf(" SUCCESS\n");
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}
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void fill_byte_array(ubyte* a, size_t n, ubyte v)
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{
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auto p = a;
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auto end = a+n;
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while (p !is end)
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*p++ = v;
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}
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