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28 lines
556 B
Diff
28 lines
556 B
Diff
SPDX-FileCopyrightText: 2021 Paul Dersey <pdersey@gmail.com>
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SPDX-License-Identifier: LGPL-2.0-or-later
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Reimplement qswap in a more correct manner that works much more cleanly and
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with larger string sizes.
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--- lib/stdlib/qsort.c
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+++ lib/stdlib/qsort.c
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@@ -24,10 +25,14 @@
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void
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qswap (void *a, void *b, size_t size)
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{
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- char *buf[8];
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- memcpy (buf, a, size);
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- memcpy (a, b, size);
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- memcpy (b, buf, size);
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+ char *pa = a;
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+ char *pb = b;
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+ do
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+ {
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+ char tmp = *pa;
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+ *pa++ = *pb;
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+ *pb++ = tmp;
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+ } while (--size > 0);
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}
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size_t
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