Initial commit

2025-08-20 19:02:58 +08:00
commit f6b2677c0f
8577 changed files with 1307117 additions and 0 deletions
--- a/lib/lzo/lzo_ptr.c
+++ b/lib/lzo/lzo_ptr.c
@@ -0,0 +1,84 @@
+/*
+ * $QNXtpLicenseC:
+ * Copyright 2007, QNX Software Systems. All Rights Reserved.
+ * 
+ * You must obtain a written license from and pay applicable license fees to QNX 
+ * Software Systems before you may reproduce, modify or distribute this software, 
+ * or any work that includes all or part of this software.   Free development 
+ * licenses are available for evaluation and non-commercial purposes.  For more 
+ * information visit http://licensing.qnx.com or email licensing@qnx.com.
+ *  
+ * This file may contain contributions from others.  Please review this entire 
+ * file for other proprietary rights or license notices, as well as the QNX 
+ * Development Suite License Guide at http://licensing.qnx.com/license-guide/ 
+ * for other information.
+ * $
+ */
+
+
+
+
+/* lzo_ptr.c -- low-level pointer constructs
+
+   This file is part of the LZO real-time data compression library.
+
+   Copyright (C) 1996-1999 Markus Franz Xaver Johannes Oberhumer
+
+   Markus F.X.J. Oberhumer
+   markus.oberhumer@jk.uni-linz.ac.at
+ */
+
+
+#include "lzo_conf.h"
+
+
+/***********************************************************************
+//
+************************************************************************/
+
+LZO_PUBLIC(lzo_ptr_t)
+__lzo_ptr_linear(const lzo_voidp ptr)
+{
+	lzo_ptr_t p;
+
+#if defined(__LZO_DOS16) || defined(__LZO_WIN16)
+    p = (((lzo_ptr_t)(_FP_SEG(ptr))) << (16 - __LZO_HShift)) + (_FP_OFF(ptr));
+#else
+    p = PTR_LINEAR(ptr);
+#endif
+
+	return p;
+}
+
+
+/***********************************************************************
+//
+************************************************************************/
+
+LZO_PUBLIC(unsigned)
+__lzo_align_gap(const lzo_voidp ptr, lzo_uint size)
+{
+	lzo_ptr_t p, s, n;
+
+	assert(size > 0);
+
+    p = __lzo_ptr_linear(ptr);
+	s = (lzo_ptr_t) (size - 1);
+#if 0
+	assert((size & (size - 1)) == 0);
+    n = ((p + s) & ~s) - p;
+#else
+	n = (((p + s) / size) * size) - p;
+#endif
+
+	assert((long)n >= 0);
+	assert(n <= s);
+
+	return (unsigned)n;
+}
+
+
+
+/*
+vi:ts=4
+*/