summaryrefslogtreecommitdiffstats
path: root/mysys/mf_sort.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 12:24:36 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 12:24:36 +0000
commit06eaf7232e9a920468c0f8d74dcf2fe8b555501c (patch)
treee2c7b5777f728320e5b5542b6213fd3591ba51e2 /mysys/mf_sort.c
parentInitial commit. (diff)
downloadmariadb-06eaf7232e9a920468c0f8d74dcf2fe8b555501c.tar.xz
mariadb-06eaf7232e9a920468c0f8d74dcf2fe8b555501c.zip
Adding upstream version 1:10.11.6.upstream/1%10.11.6
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'mysys/mf_sort.c')
-rw-r--r--mysys/mf_sort.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/mysys/mf_sort.c b/mysys/mf_sort.c
new file mode 100644
index 00000000..24e875b8
--- /dev/null
+++ b/mysys/mf_sort.c
@@ -0,0 +1,42 @@
+/* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; version 2 of the License.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
+
+/* Sort of string pointers in string-order with radix or qsort */
+
+#include "mysys_priv.h"
+#include <m_string.h>
+
+void my_string_ptr_sort(uchar *base, uint items, size_t size)
+{
+#if INT_MAX > 65536L
+ uchar **ptr=0;
+
+ if (radixsort_is_appliccable(items, size) &&
+ (ptr= (uchar**) my_malloc(PSI_NOT_INSTRUMENTED,
+ items * sizeof(char*),MYF(0))))
+ {
+ radixsort_for_str_ptr((uchar**) base,items,size,ptr);
+ my_free(ptr);
+ }
+ else
+#endif
+ {
+ if (size && items)
+ {
+ my_qsort2(base,items, sizeof(uchar*), get_ptr_compare(size),
+ (void*) &size);
+ }
+ }
+}