Mercurial > projects > ldc
view tests/mini/ptrarith.d @ 1151:3cf0066e6faf
- Versioned Expresssion::toElem with #if IN_DMD/IN_LLVM.
- Eliminated the DLRValue DValue.
- Implemented proactive handling of l-value CastExpS.
- Minor tweak in runtime memory.d .
author | Tomas Lindquist Olsen <tomas.l.olsen gmail.com> |
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date | Sat, 28 Mar 2009 05:00:43 +0100 |
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; }