-int field_add_int(char *dest, int size, const char *format, const int value );
-int field_add_string(char *dest, int size, const char *format, const char *value );
-int field_add_truncated(char *dest, int size, const char *format, const char *value, int fmt_size );
-
+int field_add_int(char *dest, size_t size, const char *format, const int value );
+int field_add_string(char *dest, size_t size, const char *format, const char *value );
+int field_add_truncated(char *dest, size_t size, const char *format, const char *value, int fmt_size );