Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 48 insertions, 0 deletions

diff --git a/libmariadb/include/ma_compress.h b/libmariadb/include/ma_compress.h
new file mode 100644
index 00000000..a1467452
--- /dev/null
+++ b/libmariadb/include/ma_compress.h
@@ -0,0 +1,48 @@
+/************************************************************************************
+    Copyright (C) 2022 MariaDB Corporation AB
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not see <http://www.gnu.org/licenses>
+   or write to the Free Software Foundation, Inc.,
+   51 Franklin St., Fifth Floor, Boston, MA 02110, USA
+
+*************************************************************************************/
+#ifndef __ma_compress_h__
+
+#include <ma_sys.h>
+
+#define COMPRESSION_LEVEL_DEFAULT INT_MAX
+
+#define compression_plugin(net) (net)->extension->compression_plugin
+#define compression_ctx(net) (net)->extension->compression_ctx
+
+typedef struct {
+  void *compress_ctx;
+  void *decompress_ctx;
+  int compression_level;
+  void *extra; /* reserved */
+} ma_compress_ctx;
+
+enum enum_ma_compression_algorithm {
+  COMPRESSION_NONE= 0,
+  COMPRESSION_ZLIB,
+  COMPRESSION_ZSTD,
+  COMPRESSION_UNKNOWN
+};
+
+const char *_mariadb_compression_algorithm_str(enum enum_ma_compression_algorithm algorithm);
+my_bool _mariadb_compress(NET *net, unsigned char *, size_t *, size_t *);
+my_bool _mariadb_uncompress(NET *net, unsigned char *, size_t *, size_t *);
+unsigned char *_mariadb_compress_alloc(NET *net, const unsigned char *packet, size_t *len, size_t *complen);
+
+#endif