Init files

Author: kamijo

CREDITS

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+lz4

EXPERIMENTAL

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+-------------------------------------------------------------------- 
+                  The PHP License, version 3.01
+Copyright (c) 1999 - 2012 The PHP Group. All rights reserved.
+-------------------------------------------------------------------- 
+
+Redistribution and use in source and binary forms, with or without
+modification, is permitted provided that the following conditions
+are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+ 
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in
+     the documentation and/or other materials provided with the
+     distribution.
+ 
+  3. The name "PHP" must not be used to endorse or promote products
+     derived from this software without prior written permission. For
+     written permission, please contact [email protected].
+  
+  4. Products derived from this software may not be called "PHP", nor
+     may "PHP" appear in their name, without prior written permission
+     from [email protected].  You may indicate that your software works in
+     conjunction with PHP by saying "Foo for PHP" instead of calling
+     it "PHP Foo" or "phpfoo"
+ 
+  5. The PHP Group may publish revised and/or new versions of the
+     license from time to time. Each version will be given a
+     distinguishing version number.
+     Once covered code has been published under a particular version
+     of the license, you may always continue to use it under the terms
+     of that version. You may also choose to use such covered code
+     under the terms of any subsequent version of the license
+     published by the PHP Group. No one other than the PHP Group has
+     the right to modify the terms applicable to covered code created
+     under this License.
+
+  6. Redistributions of any form whatsoever must retain the following
+     acknowledgment:
+     "This product includes PHP software, freely available from
+     <http://www.php.net/software/>".
+
+THIS SOFTWARE IS PROVIDED BY THE PHP DEVELOPMENT TEAM ``AS IS'' AND 
+ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 
+PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE PHP
+DEVELOPMENT TEAM OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
+INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+OF THE POSSIBILITY OF SUCH DAMAGE.
+
+-------------------------------------------------------------------- 
+
+This software consists of voluntary contributions made by many
+individuals on behalf of the PHP Group.
+
+The PHP Group can be contacted via Email at [email protected].
+
+For more information on the PHP Group and the PHP project, 
+please see <http://www.php.net>.
+
+PHP includes the Zend Engine, freely available at
+<http://www.zend.com>.

LICENSE

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+LZ4 - Fast LZ compression algorithm
+Copyright (C) 2011-2012, Yann Collet.
+BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+    * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+You can contact the author at :
+- LZ4 homepage : http://fastcompression.blogspot.com/p/lz4.html
+- LZ4 source repository : http://code.google.com/p/lz4/

LICENSE.lz4

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+# LZ4 Extension for PHP #
+
+This extension allows LZ4.
+
+## Build ##
+
+    % phpize
+    % ./configure
+    % make
+    % make install
+
+## Configration ##
+
+lz4.ini:
+
+    extension=lz4.so
+
+## Function ##
+
+* lz4\_compress — LZ4 compression
+* lz4\_uncompress — LZ4 decompression
+
+
+### lz4\_compress — LZ4 compression ###
+
+#### Description ####
+
+string **lz4\_compress** ( string _$data_ [ , bool _$high_ = false ] )
+
+LZ4 compression.
+
+#### Pameters ####
+
+* _data_
+
+  The string to compress.
+
+* _high_
+
+  High Compression Mode.
+
+#### Return Values ####
+
+Returns the compressed data or FALSE if an error occurred.
+
+
+### lz4\_uncompress — LZ4 decompression ###
+
+#### Description ####
+
+string **lz4\_uncompress** ( string _$data_ [ , long _$maxsize_ ] )
+
+LZ4 decompression.
+
+#### Pameters ####
+
+* _data_
+
+  The compressed string.
+
+* _maxsize_
+
+  Allocate size output data.
+
+#### Return Values ####
+
+Returns the decompressed data or FALSE if an error occurred.
+
+## Examples ##
+
+    $data = lz4_compress('test');
+
+    lz4_uncompress($data);

README.md

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+dnl config.m4 for extension lz4
+
+dnl Check PHP version:
+AC_MSG_CHECKING(PHP version)
+if test ! -z "$phpincludedir"; then
+    PHP_VERSION=`grep 'PHP_VERSION ' $phpincludedir/main/php_version.h | sed -e 's/.*"\([[0-9\.]]*\)".*/\1/g' 2>/dev/null`
+elif test ! -z "$PHP_CONFIG"; then
+    PHP_VERSION=`$PHP_CONFIG --version 2>/dev/null`
+fi
+
+if test x"$PHP_VERSION" = "x"; then
+    AC_MSG_WARN([none])
+else
+    PHP_MAJOR_VERSION=`echo $PHP_VERSION | sed -e 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/g' 2>/dev/null`
+    PHP_MINOR_VERSION=`echo $PHP_VERSION | sed -e 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/g' 2>/dev/null`
+    PHP_RELEASE_VERSION=`echo $PHP_VERSION | sed -e 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/g' 2>/dev/null`
+    AC_MSG_RESULT([$PHP_VERSION])
+fi
+
+if test $PHP_MAJOR_VERSION -lt 5; then
+    AC_MSG_ERROR([need at least PHP 5 or newer])
+fi
+
+PHP_ARG_ENABLE(lz4, whether to enable lz4 support,
+[  --enable-lz4           Enable lz4 support])
+
+if test "$PHP_LZ4" != "no"; then
+
+  PHP_NEW_EXTENSION(lz4, lz4.c lz4/lz4.c lz4/lz4hc.c, $ext_shared)
+
+  ifdef([PHP_INSTALL_HEADERS],
+  [
+    PHP_INSTALL_HEADERS([ext/lz4/], [php_lz4.h])
+  ], [
+    PHP_ADD_MAKEFILE_FRAGMENT
+  ])
+fi

config.m4

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+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "php.h"
+#include "php_ini.h"
+#include "ext/standard/info.h"
+#include "php_lz4.h"
+
+/* lz4 */
+#include "lz4/lz4.h"
+#include "lz4/lz4hc.h"
+
+static ZEND_FUNCTION(lz4_compress);
+static ZEND_FUNCTION(lz4_uncompress);
+
+ZEND_BEGIN_ARG_INFO_EX(arginfo_lz4_compress, 0, 0, 1)
+    ZEND_ARG_INFO(0, data)
+    ZEND_ARG_INFO(0, high)
+ZEND_END_ARG_INFO()
+
+ZEND_BEGIN_ARG_INFO_EX(arginfo_lz4_uncompress, 0, 0, 1)
+    ZEND_ARG_INFO(0, data)
+    ZEND_ARG_INFO(0, max)
+ZEND_END_ARG_INFO()
+
+static const zend_function_entry lz4_functions[] = {
+    ZEND_FE(lz4_compress, arginfo_lz4_compress)
+    ZEND_FE(lz4_uncompress, arginfo_lz4_uncompress)
+    ZEND_FE_END
+};
+
+ZEND_MINFO_FUNCTION(lz4)
+{
+    php_info_print_table_start();
+    php_info_print_table_row(2, "LZ4 support", "enabled");
+    php_info_print_table_row(2, "Extension Version", LZ4_EXT_VERSION);
+    php_info_print_table_end();
+}
+
+zend_module_entry lz4_module_entry = {
+#if ZEND_MODULE_API_NO >= 20010901
+    STANDARD_MODULE_HEADER,
+#endif
+    "lz4",
+    lz4_functions,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    ZEND_MINFO(lz4),
+#if ZEND_MODULE_API_NO >= 20010901
+    LZ4_EXT_VERSION,
+#endif
+    STANDARD_MODULE_PROPERTIES
+};
+
+#ifdef COMPILE_DL_LZ4
+ZEND_GET_MODULE(lz4)
+#endif
+
+static ZEND_FUNCTION(lz4_compress)
+{
+    zval *data;
+    char *output;
+    int output_len;
+    zend_bool high = 0;
+
+    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
+                              "z|b", &data, &high) == FAILURE) {
+        RETURN_FALSE;
+    }
+
+    if (Z_TYPE_P(data) != IS_STRING) {
+        zend_error(E_WARNING,
+                   "lz4_compress : expects parameter to be string.");
+        RETURN_FALSE;
+    }
+
+    output = (char *)emalloc(LZ4_compressBound(Z_STRLEN_P(data)));
+    if (!output) {
+        zend_error(E_WARNING, "lz4_compress : memory error");
+        RETURN_FALSE;
+    }
+
+    if (high) {
+        output_len = LZ4_compressHC(Z_STRVAL_P(data), output, Z_STRLEN_P(data));
+    } else {
+        output_len = LZ4_compress(Z_STRVAL_P(data), output, Z_STRLEN_P(data));
+    }
+
+    if (output_len <= 0) {
+        RETVAL_FALSE;
+    } else {
+        RETVAL_STRINGL(output, output_len, 1);
+    }
+
+    efree(output);
+}
+
+static ZEND_FUNCTION(lz4_uncompress)
+{
+    zval *data;
+    int output_len;
+    char *output;
+    long max_size = -1;
+    int i = 1;
+
+    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
+                              "z|l", &data, &max_size) == FAILURE) {
+        RETURN_FALSE;
+    }
+
+    if (Z_TYPE_P(data) != IS_STRING) {
+        zend_error(E_WARNING,
+                   "lz4_uncompress : expects parameter to be string.");
+        RETURN_FALSE;
+    }
+
+    /* TODO: output allocate size */
+    if (max_size <= 0) {
+        max_size = Z_STRLEN_P(data) * 3;
+    }
+
+    output = (char *)emalloc(max_size+1);
+    if (!output) {
+        zend_error(E_WARNING, "lz4_uncompress : memory error");
+        RETURN_FALSE;
+    }
+
+    output_len = LZ4_uncompress_unknownOutputSize(Z_STRVAL_P(data), output,
+                                                  Z_STRLEN_P(data), max_size);
+
+    if (output_len <= 0) {
+        zend_error(E_WARNING, "lz4_uncompress : data error");
+        RETVAL_FALSE;
+    } else {
+        RETVAL_STRINGL(output, output_len, 1);
+    }
+
+    efree(output);
+}