--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/foosdk/sdk/pfc/printf.cpp	Mon Jan 05 02:15:46 2026 -0500
@@ -0,0 +1,132 @@
+#include "pfc-lite.h"
+#include "string_base.h"
+
+//implementations of deprecated string_printf methods, with a pragma to disable warnings when they reference other deprecated methods.
+
+#ifndef _MSC_VER
+#define _itoa_s itoa
+#define _ultoa_s ultoa
+#endif
+
+#ifdef _MSC_VER
+#pragma warning(disable:4996)
+#endif
+
+namespace pfc {
+	string8 string_printf(const char * fmt, ...) {
+		string8 ret;
+		va_list list;
+		va_start(list, fmt);
+		string_printf_here_va(ret, fmt, list);
+		va_end(list);
+		return ret;
+	}
+	string8 string_printf_va(const char * fmt, va_list list) {
+		string8 ret;
+		string_printf_here_va(ret, fmt, list);
+		return ret;
+	}
+	void string_printf_here(string_base & out, const char * fmt, ...) {
+		va_list list;
+		va_start(list, fmt);
+		string_printf_here_va(out, fmt, list);
+		va_end(list);
+	}
+	void string_printf_here_va(string_base & out, const char * fmt, va_list list) {
+		out.reset();
+		while(*fmt)
+		{
+			if (*fmt=='%')
+			{
+				fmt++;
+				if (*fmt=='%')
+				{
+					out.add_char('%');
+					fmt++;
+				}
+				else
+				{
+					bool force_sign = false;
+					if (*fmt=='+')
+					{
+						force_sign = true;
+						fmt++;
+					}
+					char padchar = (*fmt == '0') ? '0' : ' ';
+					t_size pad = 0;
+					while(*fmt>='0' && *fmt<='9')
+					{
+						pad = pad * 10 + (*fmt - '0');
+						fmt++;
+					}
+
+					if (*fmt=='s' || *fmt=='S')
+					{
+						const char * ptr = va_arg(list,const char*);
+						t_size len = strlen(ptr);
+						if (pad>len) out.add_chars(padchar,pad-len);
+						out.add_string(ptr);
+						fmt++;
+
+					}
+					else if (*fmt=='i' || *fmt=='I' || *fmt=='d' || *fmt=='D')
+					{
+						int val = va_arg(list,int);
+						if (force_sign && val>0) out.add_char('+');
+						auto temp = pfc::format_int( val );
+						t_size len = strlen(temp);
+						if (pad>len) out.add_chars(padchar,pad-len);
+						out.add_string(temp);
+						fmt++;
+					}
+					else if (*fmt=='u' || *fmt=='U')
+					{
+						int val = va_arg(list,int);
+						if (force_sign && val>0) out.add_char('+');
+						auto temp = pfc::format_uint(val);
+						t_size len = strlen(temp);
+						if (pad>len) out.add_chars(padchar,pad-len);
+						out.add_string(temp);
+						fmt++;
+					}
+					else if (*fmt=='x' || *fmt=='X')
+					{
+						auto val = va_arg(list,unsigned);
+						if (force_sign && val>0) out.add_char('+');
+						auto temp = pfc::format_uint(val, 0, 16);
+						if (*fmt=='X')
+						{
+							char * t = const_cast< char* > ( temp.c_str() );
+							while(*t)
+							{
+								*t = pfc::ascii_toupper(*t);
+								t++;
+							}
+						} else {
+							char* t = const_cast<char*> (temp.c_str());
+							while (*t)
+							{
+								*t = pfc::ascii_tolower(*t);
+								t++;
+							}
+						}
+						t_size len = strlen(temp);
+						if (pad>len) out.add_chars(padchar,pad-len);
+						out.add_string(temp);
+						fmt++;
+					}
+					else if (*fmt=='c' || *fmt=='C')
+					{
+						out.add_char(va_arg(list,int));
+						fmt++;
+					}
+				}
+			}
+			else
+			{
+				out.add_char(*(fmt++));
+			}
+		}
+	}
+
+}