30 lines
1.0 KiB
Diff
30 lines
1.0 KiB
Diff
Index: glibc-2.38/stdlib/qsort.c
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===================================================================
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--- glibc-2.38.orig/stdlib/qsort.c
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+++ glibc-2.38/stdlib/qsort.c
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@@ -136,10 +136,12 @@ _quicksort (void *const pbase, size_t to
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that this algorithm runs much faster than others. */
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do
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{
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- while ((*cmp) ((void *) left_ptr, (void *) mid, arg) < 0)
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+ while (left_ptr != mid
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+ && (*cmp) ((void *) left_ptr, (void *) mid, arg) < 0)
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left_ptr += size;
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- while ((*cmp) ((void *) mid, (void *) right_ptr, arg) < 0)
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+ while (right_ptr != mid
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+ && (*cmp) ((void *) mid, (void *) right_ptr, arg) < 0)
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right_ptr -= size;
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if (left_ptr < right_ptr)
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@@ -224,7 +226,8 @@ _quicksort (void *const pbase, size_t to
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while ((run_ptr += size) <= end_ptr)
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{
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tmp_ptr = run_ptr - size;
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- while ((*cmp) ((void *) run_ptr, (void *) tmp_ptr, arg) < 0)
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+ while (tmp_ptr != base_ptr
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+ && (*cmp) ((void *) run_ptr, (void *) tmp_ptr, arg) < 0)
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tmp_ptr -= size;
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tmp_ptr += size;
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