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view tests/mini/ptrarith.d @ 571:cbd6c8073a32
Changed all '#if linux || __APPLE__' to '#if POSIX' so we can support other platforms too, thanx for the suggestion anders.
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
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date | Tue, 02 Sep 2008 23:10:12 +0200 |
parents | 1bb99290e03a |
children |
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extern(C) int printf(char*, ...); void main() { printf("Pointer arithmetic test\n"); int* p; printf("0x%x\n", p); assert(p++ is null); assert(cast(size_t)p == 4); printf("0x%x\n", p); p--; assert(p is null); printf("0x%x\n", p); int d = 4; p+=d; printf("0x%x\n", p); assert(cast(size_t)p == 16); d = 2; p+=d; printf("0x%x\n", p); assert(cast(size_t)p == 0x18); d = 6; p-=d; printf("0x%x\n", p); assert(p is null); printf(" SUCCESS\n"); } void fill_byte_array(ubyte* a, size_t n, ubyte v) { auto p = a; auto end = a+n; while (p !is end) *p++ = v; }