don't trigger diagassert for a null array with 0 elements or 0 elementsize.
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490c38bdf2
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d9a1056489
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@ -1,4 +1,4 @@
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/* $NetBSD: qsort.c,v 1.21 2011/05/18 19:36:36 dsl Exp $ */
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/* $NetBSD: qsort.c,v 1.22 2012/05/26 21:47:05 christos Exp $ */
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/*-
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* Copyright (c) 1992, 1993
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@ -34,7 +34,7 @@
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#if 0
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static char sccsid[] = "@(#)qsort.c 8.1 (Berkeley) 6/4/93";
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#else
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__RCSID("$NetBSD: qsort.c,v 1.21 2011/05/18 19:36:36 dsl Exp $");
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__RCSID("$NetBSD: qsort.c,v 1.22 2012/05/26 21:47:05 christos Exp $");
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#endif
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#endif /* LIBC_SCCS and not lint */
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@ -105,7 +105,7 @@ qsort(void *a, size_t n, size_t es,
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size_t d, r;
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int swaptype, cmp_result;
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_DIAGASSERT(a != NULL);
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_DIAGASSERT(a != NULL || n == 0 || es == 0);
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_DIAGASSERT(cmp != NULL);
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loop: SWAPINIT(a, es);
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