diff --git a/src/sprtf.c b/src/sprtf.c
new file mode 100644
index 0000000..44c2ca6
--- /dev/null
+++ b/src/sprtf.c
@@ -0,0 +1,440 @@
+/*
+ *  SPRTF - Log output utility
+ *
+ *   Author: Geoff R. McLane <reports _at_ geoffair _dot_ info>
+ *   License: GPL v2 (or later at your choice)
+ *
+ *   Revision 1.0.1  2012/11/06 13:01:25  geoff
+ *   Revision 1.0.0  2012/10/17 00:00:00  geoff
+ *
+ *   This program 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.
+ *
+ *   This program 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 this program; if not, write to the Free Software
+ *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, US
+ *
+ */
+
+// Module: sprtf.cxx
+// Debug log file output
+#include <stdio.h> // fopen()...
+#include <string.h> // strcpy
+#include <stdarg.h> // va_start, va_end, ...
+#ifdef _MSC_VER
+#include <WinSock2.h>
+#include <sys/timeb.h>
+#else /* !_MSC_VER */
+#include <sys/time.h> // gettimeoday(), struct timeval,...
+#endif /* _MSC_VER y/n */
+#include <time.h>
+#include <stdlib.h> // for exit() in unix
+#include "sprtf.h"
+
+#ifdef _MSC_VER
+#ifndef _CRT_SECURE_NO_DEPRECATE
+#define _CRT_SECURE_NO_DEPRECATE
+#endif // #ifndef _CRT_SECURE_NO_DEPRECATE
+#pragma warning( disable:4996 )
+#else
+#define strcmpi strcasecmp
+#endif 
+
+#ifndef MX_ONE_BUF
+#define MX_ONE_BUF 1024
+#endif
+#ifndef MX_BUFFERS
+#define MX_BUFFERS 1024
+#endif
+
+static char _s_strbufs[MX_ONE_BUF * MX_BUFFERS];
+static int iNextBuf = 0;
+
+char *GetNxtBuf()
+{
+   iNextBuf++;
+   if(iNextBuf >= MX_BUFFERS)
+      iNextBuf = 0;
+   return &_s_strbufs[MX_ONE_BUF * iNextBuf];
+}
+
+#define  MXIO     512
+#ifdef _MSC_VER // use local log
+static char def_log[] = "tempex.txt";
+#else
+static char def_log[] = "ex.log";
+#endif
+static char logfile[264] = "\0";
+static FILE * outfile = NULL;
+static int addsystime = 0;
+static int addsysdate = 0;
+static int addstdout = 1;
+static int addflush = 1;
+static int add2screen = 0;
+static int add2listview = 0;
+static int append_to_log = 0;
+
+#ifndef VFP
+#define VFP(a) ( a && ( a != (FILE *)-1 ) )
+#endif
+
+int   add_list_out( int val )
+{
+   int i = add2listview;
+   add2listview = val;
+   return i;
+}
+
+int   add_std_out( int val )
+{
+   int i = addstdout;
+   addstdout = val;
+   return i;
+}
+
+int   add_screen_out( int val )
+{
+   int i = add2screen;
+   add2screen = val;
+   return i;
+}
+
+
+int   add_sys_time( int val )
+{
+   int   i = addsystime;
+   addsystime = val;
+   return i;
+}
+
+int   add_sys_date( int val )
+{
+   int   i = addsysdate;
+   addsysdate = val;
+   return i;
+}
+
+
+int   add_append_log( int val )
+{
+   int   i = append_to_log;
+   append_to_log = val;
+   return i;
+}
+
+
+#ifdef _MSC_VER
+static const char *mode = "wb"; // in window sprtf looks after the line endings
+#else
+static const char *mode = "w";
+#endif
+
+int   open_log_file( void )
+{
+   if (logfile[0] == 0)
+      strcpy(logfile,def_log);
+   if (append_to_log) {
+#ifdef _MSC_VER
+        mode = "ab"; // in window sprtf looks after the line endings
+#else
+        mode = "a";
+#endif
+   }
+   outfile = fopen(logfile, mode);
+   if( outfile == 0 ) {
+      outfile = (FILE *)-1;
+      sprtf("ERROR: Failed to open log file [%s] ...\n", logfile);
+      exit(1); /* failed */
+      return 0;   /* failed */
+   }
+   return 1; /* success */
+}
+
+void close_log_file( void )
+{
+   if( VFP(outfile) ) {
+      fclose(outfile);
+   }
+   outfile = NULL;
+}
+
+char * get_log_file( void )
+{
+   if (logfile[0] == 0)
+      strcpy(logfile,def_log);
+   if (outfile == (FILE *)-1) // disable the log file
+       return (char *)"none";
+   return logfile;
+}
+
+void   set_log_file( char * nf, int open )
+{
+   if (logfile[0] == 0)
+      strcpy(logfile,def_log);
+   if ( nf && *nf && strcmpi(nf,logfile) ) {
+      close_log_file(); // remove any previous
+      strcpy(logfile,nf); // set new name
+      if (strcmp(logfile,"none") == 0) { // if equal 'none'
+          outfile = (FILE *)-1; // disable the log file
+      } else if (open) {
+          open_log_file();  // and open it ... anything previous written is 'lost'
+      } else
+          outfile = 0; // else set 0 to open on first write
+   }
+}
+
+#ifdef _MSC_VER
+int gettimeofday(struct timeval *tp, void *tzp)
+{
+#ifdef WIN32
+    struct _timeb timebuffer;
+    _ftime(&timebuffer);
+    tp->tv_sec = (long)timebuffer.time;
+    tp->tv_usec = timebuffer.millitm * 1000;
+#else
+    tp->tv_sec = time(NULL);
+    tp->tv_usec = 0;
+#endif
+    return 0;
+}
+
+#endif // _MSC_VER
+
+void add_date_stg( char *ps, struct timeval *ptv )
+{
+    time_t curtime;
+    struct tm * ptm;
+    curtime = (ptv->tv_sec & 0xffffffff);
+    ptm = localtime(&curtime);
+    if (ptm) {
+        strftime(EndBuf(ps),128,"%Y/%m/%d",ptm);
+    }
+}
+
+void add_time_stg( char *ps, struct timeval *ptv )
+{
+    time_t curtime;
+    struct tm * ptm;
+    curtime = (ptv->tv_sec & 0xffffffff);
+    ptm = localtime(&curtime);
+    if (ptm) {
+        strftime(EndBuf(ps),128,"%H:%M:%S",ptm);
+    }
+}
+
+char *get_date_stg()
+{
+    char *ps;
+    struct timeval tv;
+    gettimeofday( (struct timeval *)&tv, (struct timezone *)0 );
+    ps = GetNxtBuf();
+    *ps = 0;
+    add_date_stg( ps, &tv );
+    return ps;
+}
+
+char *get_time_stg()
+{
+    char *ps;
+    struct timeval tv;
+    gettimeofday( (struct timeval *)&tv, (struct timezone *)0 );
+    ps = GetNxtBuf();
+    *ps = 0;
+    add_time_stg( ps, &tv );
+    return ps;
+}
+
+char *get_date_time_stg()
+{
+    char *ps;
+    struct timeval tv;
+    gettimeofday( (struct timeval *)&tv, (struct timezone *)0 );
+    ps = GetNxtBuf();
+    *ps = 0;
+    add_date_stg( ps, &tv );
+    strcat(ps," ");
+    add_time_stg( ps, &tv );
+    return ps;
+}
+
+static void oi( char * psin )
+{
+    int len, w;
+    char * ps = psin;
+    if (!ps)
+        return;
+
+   len = (int)strlen(ps);
+   if (len) {
+
+      if( outfile == 0 ) {
+         open_log_file();
+      }
+      if( VFP(outfile) ) {
+          char *tb;
+          if (addsysdate) {
+              tb = GetNxtBuf();
+              len = sprintf( tb, "%s - %s", get_date_time_stg(), ps );
+              ps = tb;
+          } else if( addsystime ) {
+              tb = GetNxtBuf();
+              len = sprintf( tb, "%s - %s", get_time_stg(), ps );
+              ps = tb;
+          }
+
+         w = (int)fwrite( ps, 1, len, outfile );
+         if( w != len ) {
+            fclose(outfile);
+            outfile = (FILE *)-1;
+            sprtf("WARNING: Failed write to log file [%s] ...\n", logfile);
+            exit(1);
+         } else if (addflush) {
+            fflush( outfile );
+         }
+      }
+
+      if( addstdout ) {
+         fwrite( ps, 1, len, stdout );
+      }
+#ifdef ADD_LISTVIEW
+       if (add2listview) {
+           LVInsertItem(ps);
+       } 
+#endif // ADD_LISTVIEW
+#ifdef ADD_SCREENOUT
+       if (add2screen) {
+          Add_String(ps);    // add string to screen list
+       }
+#endif // #ifdef ADD_SCREENOUT
+   }
+}
+
+#ifdef _MSC_VER
+// service to ensure line endings in windows only
+static void	prt( char * ps )
+{
+    static char _s_buf[1024];
+	char * pb = _s_buf;
+	size_t i, j, k;
+	char   c, d;
+    i = strlen(ps);
+	k = 0;
+	d = 0;
+	if(i) {
+		k = 0;
+		d = 0;
+		for( j = 0; j < i; j++ ) {
+			c = ps[j];
+			if( c == 0x0d ) {
+				if( (j+1) < i ) {
+					if( ps[j+1] != 0x0a ) {
+						pb[k++] = c;
+						c = 0x0a;
+					}
+            } else {
+					pb[k++] = c;
+					c = 0x0a;
+				}
+			} else if( c == 0x0a ) {
+				if( d != 0x0d ) {
+					pb[k++] = 0x0d;
+				}
+			}
+			pb[k++] = c;
+			d = c;
+			if( k >= MXIO ) {
+				pb[k] = 0;
+				oi(pb);
+				k = 0;
+			}
+		}	// for length of string
+		if( k ) {
+			//if( ( gbCheckCrLf ) &&
+			//	( d != 0x0a ) ) {
+				// add Cr/Lf pair
+				//pb[k++] = 0x0d;
+				//pb[k++] = 0x0a;
+				//pb[k] = 0;
+			//}
+			pb[k] = 0;
+			oi( pb );
+		}
+	}
+}
+#endif // #ifdef _MSC_VER
+
+int direct_out_it( char *cp )
+{
+#ifdef _MSC_VER
+    prt(cp);
+#else
+    oi(cp);
+#endif
+    return (int)strlen(cp);
+}
+
+// STDAPI StringCchVPrintf( OUT LPTSTR  pszDest,
+//   IN  size_t  cchDest, IN  LPCTSTR pszFormat, IN  va_list argList );
+int MCDECL sprtf( const char *pf, ... )
+{
+   static char _s_sprtfbuf[M_MAX_SPRTF+4];
+   char * pb = _s_sprtfbuf;
+   int   i;
+   va_list arglist;
+   va_start(arglist, pf);
+   i = vsprintf( pb, pf, arglist );
+   va_end(arglist);
+#ifdef _MSC_VER
+   prt(pb); // ensure CR/LF
+#else
+   oi(pb);
+#endif
+   return i;
+}
+
+#ifdef UNICODE
+// WIDE VARIETY
+static void wprt( PTSTR ps )
+{
+   static char _s_woibuf[1024];
+   char * cp = _s_woibuf;
+   int len = (int)lstrlen(ps);
+   if(len) {
+      int ret = WideCharToMultiByte( CP_ACP, // UINT CodePage,            // code page
+         0, // DWORD dwFlags,            // performance and mapping flags
+         ps,   // LPCWSTR lpWideCharStr,    // wide-character string
+         len,     // int cchWideChar,          // number of chars in string.
+         cp,      // LPSTR lpMultiByteStr,     // buffer for new string
+         1024,    // int cbMultiByte,          // size of buffer
+         NULL,    // LPCSTR lpDefaultChar,     // default for unmappable chars
+         NULL );  // LPBOOL lpUsedDefaultChar  // set when default char used
+      //oi(cp);
+      prt(cp);
+   }
+}
+
+int MCDECL wsprtf( PTSTR pf, ... )
+{
+   static WCHAR _s_sprtfwbuf[1024];
+   PWSTR pb = _s_sprtfwbuf;
+   int   i = 1;
+   va_list arglist;
+   va_start(arglist, pf);
+   *pb = 0;
+   StringCchVPrintf(pb,1024,pf,arglist);
+   //i = vswprintf( pb, pf, arglist );
+   va_end(arglist);
+   wprt(pb);
+   return i;
+}
+
+#endif // #ifdef UNICODE
+
+// eof - sprtf.cxx
diff --git a/src/sprtf.h b/src/sprtf.h
new file mode 100644
index 0000000..23db8ae
--- /dev/null
+++ b/src/sprtf.h
@@ -0,0 +1,75 @@
+/*
+ *  SPRTF - Log output utility
+ *
+ *   Author: Geoff R. McLane <reports _at_ geoffair _dot_ info>
+ *   License: GPL v2 (or later at your choice)
+ *
+ *   Revision 1.0.1  2012/11/06 13:01:25  geoff
+ *   Revision 1.0.0  2012/10/17 00:00:00  geoff
+ *
+ *   This program 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.
+ *
+ *   This program 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 this program; if not, write to the Free Software
+ *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, US
+ *
+ */
+
+// Module: sprtf.hxx
+// Debug log file output
+#ifndef _SPRTF_HXX_
+#define _SPRTF_HXX_
+#ifdef   __cplusplus
+extern "C" {
+#endif
+#ifdef _MSC_VER
+#define MCDECL _cdecl
+#else
+#define MCDECL
+#endif
+
+extern int add_std_out( int val );
+extern int add_sys_time( int val );
+extern int add_sys_date( int val );
+
+extern int add_screen_out( int val );
+extern int add_list_out( int val );
+extern int add_append_log( int val );
+
+extern int open_log_file( void );
+extern void close_log_file( void );
+extern void set_log_file( char * nf, int open );
+extern char * get_log_file( void );
+
+extern int MCDECL sprtf( const char *pf, ... );
+#define M_MAX_SPRTF 2048
+extern int direct_out_it( char *cp );
+
+extern char *GetNxtBuf();
+
+#define EndBuf(a)   ( a + strlen(a) )
+
+extern char *get_date_stg();
+extern char *get_time_stg();
+extern char *get_date_time_stg();
+#ifdef _MSC_VER
+extern int gettimeofday(struct timeval *tp, void *tzp);
+#endif
+
+#ifndef SPRTF
+#define SPRTF sprtf
+#endif
+
+#ifdef   __cplusplus
+}
+#endif
+#endif // #ifndef _SPRTF_HXX_
+// oef - sprtf.hxx