print: add puts

lib/print.c

@@ -30,6 +30,15 @@
 
 uint8_t print_error;
 
+size_t puts(char* str)
+{
+	size_t printed = 0; // number of characters printed
+	while (*str) { // go until end of string (\0 string termination character)
+		ADDU32_SAFE(printed, putc(*str++)); // print character
+	}
+	return printed;
+}
+
 /** add printed length to total printed length, and sets error if maximum size is exceeded
  *  @param[in,out] length total printed length
  *  @param[in] printed printed length

lib/print.h

@@ -48,6 +48,13 @@ extern uint8_t print_error; /**< flags to indicate which error(s) occurred withi
  *  @return number of characters printed
  **/
 size_t putc(char c);
+/** print string
+ *  @param[in] str string to print
+ *  @return number of characters printed
+ *  @note uses putc to output characters
+ *  @note does not require print functions (and is faster/simpler)
+ */
+size_t puts(char* str);
 /** print format string on user output
  *  @param[in] format format string to be printed
  *  @param[in] ... arguments referenced by format string to be printed