Add Apple RLE algorithm.

library.h

@@ -1,5 +1,57 @@
+/*
+ * This file is part of the Aaru Data Preservation Suite.
+ * Copyright (c) 2019-2021 Natalia Portillo.
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef AARU_COMPRESSION_NATIVE_LIBRARY_H
 #define AARU_COMPRESSION_NATIVE_LIBRARY_H
 
+#ifdef __cplusplus
+#define EXTERNC extern "C"
+#else
+#define EXTERNC
+#endif
 
-#endif//AARU_COMPRESSION_NATIVE_LIBRARY_H
+#if defined(_WIN32)
+#define AARU_CALL __stdcall
+#define AARU_EXPORT EXTERNC __declspec(dllexport)
+#define AARU_LOCAL
+#ifndef PATH_MAX
+#define PATH_MAX _MAX_PATH
+#endif
+#else
+#define AARU_CALL
+#if defined(__APPLE__)
+#define AARU_EXPORT EXTERNC __attribute__((visibility("default")))
+#define AARU_LOCAL __attribute__((visibility("hidden")))
+#else
+#if __GNUC__ >= 4
+#define AARU_EXPORT EXTERNC __attribute__((visibility("default")))
+#define AARU_LOCAL __attribute__((visibility("hidden")))
+#else
+#define AARU_EXPORT EXTERNC
+#define AARU_LOCAL
+#endif
+#endif
+#endif
+
+#ifdef _MSC_VER
+#define FORCE_INLINE static inline
+#else
+#define FORCE_INLINE static inline __attribute__((always_inline))
+#endif
+
+#endif // AARU_COMPRESSION_NATIVE_LIBRARY_H