Mercurial > projects > ldc
diff druntime/src/compiler/ldc/qsort2.d @ 1458:e0b2d67cfe7c
Added druntime (this should be removed once it works).
author | Robert Clipsham <robert@octarineparrot.com> |
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date | Tue, 02 Jun 2009 17:43:06 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/druntime/src/compiler/ldc/qsort2.d Tue Jun 02 17:43:06 2009 +0100 @@ -0,0 +1,71 @@ +/** + * This is a public domain version of qsort.d. All it does is call C's + * qsort(), but runs a little slower since it needs to synchronize a global + * variable. + * + * Copyright: Copyright Digital Mars 2000 - 2009. + * License: <a href="http://www.boost.org/LICENSE_1_0.txt>Boost License 1.0</a>. + * Authors: Walter Bright + * + * Copyright Digital Mars 2000 - 2009. + * Distributed under the Boost Software License, Version 1.0. + * (See accompanying file LICENSE_1_0.txt or copy at + * http://www.boost.org/LICENSE_1_0.txt) + */ +module rt.qsort2; + +//debug=qsort; + +private import core.stdc.stdlib; + +struct Array +{ + size_t length; + void* ptr; +} + +private TypeInfo tiglobal; + +extern (C) int cmp(void* p1, void* p2) +{ + return tiglobal.compare(p1, p2); +} + +extern (C) long _adSort(Array a, TypeInfo ti) +{ + synchronized + { + tiglobal = ti; + qsort(a.ptr, a.length, cast(size_t)ti.tsize(), &cmp); + } + return *cast(long*)(&a); +} + + + +unittest +{ + debug(qsort) printf("array.sort.unittest()\n"); + + int a[] = new int[10]; + + a[0] = 23; + a[1] = 1; + a[2] = 64; + a[3] = 5; + a[4] = 6; + a[5] = 5; + a[6] = 17; + a[7] = 3; + a[8] = 0; + a[9] = -1; + + a.sort; + + for (int i = 0; i < a.length - 1; i++) + { + //printf("i = %d", i); + //printf(" %d %d\n", a[i], a[i + 1]); + assert(a[i] <= a[i + 1]); + } +}