Initial import

1 files changed, 168 insertions, 0 deletions

diff --git a/lzo/minilzo/testmini.c b/lzo/minilzo/testmini.c
new file mode 100644
index 00000000..022edaf7
--- /dev/null
+++ b/lzo/minilzo/testmini.c
@@ -0,0 +1,168 @@
+/* testmini.c -- very simple test program for the miniLZO library
+
+   This file is part of the LZO real-time data compression library.
+
+   Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer
+   All Rights Reserved.
+
+   The LZO library 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.
+
+   The LZO 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with the LZO library; see the file COPYING.
+   If not, write to the Free Software Foundation, Inc.,
+   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+   Markus F.X.J. Oberhumer
+   <markus@oberhumer.com>
+   http://www.oberhumer.com/opensource/lzo/
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+
+
+/*************************************************************************
+// This program shows the basic usage of the LZO library.
+// We will compress a block of data and decompress again.
+//
+// For more information, documentation, example programs and other support
+// files (like Makefiles and build scripts) please download the full LZO
+// package from
+//    http://www.oberhumer.com/opensource/lzo/
+**************************************************************************/
+
+/* First let's include "minizo.h". */
+
+#include "minilzo.h"
+
+
+/* We want to compress the data block at `in' with length `IN_LEN' to
+ * the block at `out'. Because the input block may be incompressible,
+ * we must provide a little more output space in case that compression
+ * is not possible.
+ */
+
+#if defined(__LZO_STRICT_16BIT)
+#define IN_LEN      (8*1024u)
+#elif defined(LZO_ARCH_I086) && !defined(LZO_HAVE_MM_HUGE_ARRAY)
+#define IN_LEN      (60*1024u)
+#else
+#define IN_LEN      (128*1024ul)
+#endif
+#define OUT_LEN     (IN_LEN + IN_LEN / 16 + 64 + 3)
+
+static unsigned char __LZO_MMODEL in  [ IN_LEN ];
+static unsigned char __LZO_MMODEL out [ OUT_LEN ];
+
+
+/* Work-memory needed for compression. Allocate memory in units
+ * of `lzo_align_t' (instead of `char') to make sure it is properly aligned.
+ */
+
+#define HEAP_ALLOC(var,size) \
+    lzo_align_t __LZO_MMODEL var [ ((size) + (sizeof(lzo_align_t) - 1)) / sizeof(lzo_align_t) ]
+
+static HEAP_ALLOC(wrkmem,LZO1X_1_MEM_COMPRESS);
+
+
+/*************************************************************************
+//
+**************************************************************************/
+
+int main(int argc, char *argv[])
+{
+    int r;
+    lzo_uint in_len;
+    lzo_uint out_len;
+    lzo_uint new_len;
+
+    if (argc < 0 && argv == NULL)   /* avoid warning about unused args */
+        return 0;
+
+    printf("\nLZO real-time data compression library (v%s, %s).\n",
+           lzo_version_string(), lzo_version_date());
+    printf("Copyright (C) 1996-2008 Markus Franz Xaver Johannes Oberhumer\nAll Rights Reserved.\n\n");
+
+
+/*
+ * Step 1: initialize the LZO library
+ */
+    if (lzo_init() != LZO_E_OK)
+    {
+        printf("internal error - lzo_init() failed !!!\n");
+        printf("(this usually indicates a compiler bug - try recompiling\nwithout optimizations, and enable `-DLZO_DEBUG' for diagnostics)\n");
+        return 3;
+    }
+
+/*
+ * Step 2: prepare the input block that will get compressed.
+ *         We just fill it with zeros in this example program,
+ *         but you would use your real-world data here.
+ */
+    in_len = IN_LEN;
+    lzo_memset(in,0,in_len);
+
+/*
+ * Step 3: compress from `in' to `out' with LZO1X-1
+ */
+    r = lzo1x_1_compress(in,in_len,out,&out_len,wrkmem);
+    if (r == LZO_E_OK)
+        printf("compressed %lu bytes into %lu bytes\n",
+            (unsigned long) in_len, (unsigned long) out_len);
+    else
+    {
+        /* this should NEVER happen */
+        printf("internal error - compression failed: %d\n", r);
+        return 2;
+    }
+    /* check for an incompressible block */
+    if (out_len >= in_len)
+    {
+        printf("This block contains incompressible data.\n");
+        return 0;
+    }
+
+/*
+ * Step 4: decompress again, now going from `out' to `in'
+ */
+    new_len = in_len;
+    r = lzo1x_decompress(out,out_len,in,&new_len,NULL);
+    if (r == LZO_E_OK && new_len == in_len)
+        printf("decompressed %lu bytes back into %lu bytes\n",
+            (unsigned long) out_len, (unsigned long) in_len);
+    else
+    {
+        /* this should NEVER happen */
+        printf("internal error - decompression failed: %d\n", r);
+        return 1;
+    }
+
+    printf("\nminiLZO simple compression test passed.\n");
+    return 0;
+}
+
+/*
+vi:ts=4:et
+*/
+