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expkg/vendor/lz4/programs/lz4conf.h

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+/*
+  LZ4conf.h - compile-time parameters
+  Copyright (c) Yann Collet. All rights reserved.
+  GPL v2 License
+
+  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; either version 2 of the License, or
+  (at your option) any later version.
+
+  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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+  You can contact the author at :
+  - LZ4 source repository : https://github.com/lz4/lz4
+  - LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c
+*/
+
+#ifndef LZ4CONF_H_32432
+#define LZ4CONF_H_32432
+
+
+/* Default compression level.
+ * Can be overridden by environment variable LZ4_CLEVEL.
+ * Is overridden at runtime by command -# */
+#ifndef LZ4_CLEVEL_DEFAULT
+# define LZ4_CLEVEL_DEFAULT 1
+#endif
+
+/* Determines if multithreading is enabled or not
+ * Default: enabled on Windows, disabled on other platforms */
+#ifndef LZ4IO_MULTITHREAD
+# ifdef _WIN32
+    /* Windows supports Completion Ports */
+#   define LZ4IO_MULTITHREAD 1
+# else
+    /* Requires <pthread> support.
+     * Can't be reliably and portably tested at source code level
+     * so must be set a build level */
+#   define LZ4IO_MULTITHREAD 0
+# endif
+#endif
+
+/* Determines default nb of threads for compression
+ * Default value is 0, which means "auto" :
+ * nb of threads is determined from detected local cpu.
+ * Can be overridden by Environment Variable LZ4_NBWORKERS.
+ * Can be overridden at runtime using -T# command */
+#ifndef LZ4_NBWORKERS_DEFAULT
+# define LZ4_NBWORKERS_DEFAULT 0
+#endif
+
+/* Maximum nb of compression threads selectable at runtime */
+#ifndef LZ4_NBWORKERS_MAX
+# define LZ4_NBWORKERS_MAX 200
+#endif
+
+/* Determines default lz4 block size when none provided.
+ * Default value is 7, which represents 4 MB.
+ * Can be overridden at runtime using -B# command */
+#ifndef LZ4_BLOCKSIZEID_DEFAULT
+# define LZ4_BLOCKSIZEID_DEFAULT 7
+#endif
+
+
+#endif  /* LZ4CONF_H_32432 */