--- parser3/src/include/pa_array.h	2024/09/10 19:09:56	1.90
+++ parser3/src/include/pa_array.h	2024/09/11 21:07:36	1.91
@@ -8,7 +8,7 @@
 #ifndef PA_ARRAY_H
 #define PA_ARRAY_H
 
-#define IDENT_PA_ARRAY_H "$Id: pa_array.h,v 1.90 2024/09/10 19:09:56 moko Exp $"
+#define IDENT_PA_ARRAY_H "$Id: pa_array.h,v 1.91 2024/09/11 21:07:36 moko Exp $"
 
 // includes
 
@@ -254,6 +254,42 @@ private: //disabled
 	Array& operator = (const Array&) { return *this; }
 };
 
+/// Commonly used, templated to work with any integer type
+
+template<typename T> char* pa_itoa(T n, T base=10){
+	char buf[MAX_NUMBER + 1];
+	char* pos=buf + MAX_NUMBER;
+	*pos='\0';
+
+	bool negative=n < 0;
+	if (n < 0){
+		n=-n;
+	}
+
+	do {
+		*(--pos)=(n % base) + '0';
+		n/=base;
+	} while (n > 0);
+
+	if (negative) {
+		*(--pos) = '-';
+	}
+	return pa_strdup(pos, buf + MAX_NUMBER - pos);
+}
+
+template<typename T> char* pa_uitoa(T n, T base=10){
+	char buf[MAX_NUMBER + 1];
+	char* pos=buf + MAX_NUMBER;
+	*pos='\0';
+
+	do {
+		*(--pos)=(n % base) + '0';
+		n/=base;
+	} while (n > 0);
+
+	return pa_strdup(pos, buf + MAX_NUMBER - pos);
+}
+
 
 /** Array iterator, usage:
 	@code
@@ -298,9 +334,7 @@ public:
 	}
 
 	inline char *key(){
-		char local_buf[MAX_NUMBER];
-		size_t length=snprintf(local_buf, MAX_NUMBER, "%zu", index());
-		return pa_strdup(local_buf, length);
+		return pa_uitoa(index());
 	}
 
 };
@@ -332,9 +366,7 @@ public:
 	}
 
 	inline char *key(){
-		char local_buf[MAX_NUMBER];
-		size_t length=snprintf(local_buf, MAX_NUMBER, "%zu", index());
-		return pa_strdup(local_buf, length);
+		return pa_uitoa(index());
 	}
 
 };