Merge branch 'lukeshu/more-coverage'

1 files changed, 27 insertions, 3 deletions

diff --git a/libmisc/fmt.c b/libmisc/fmt.c
index a8baa84..7c18ef5 100644
--- a/libmisc/fmt.c
+++ b/libmisc/fmt.c
@@ -71,9 +71,33 @@ void fmt_print_ptr(lo_interface fmt_dest w, void *ptr) {
  */
 void fmt_print_qbyte(lo_interface fmt_dest w, uint8_t b) {
 	fmt_print_byte(w, '\'');
-	if (' ' <= b && b <= '~') {
-		if (b == '\'' || b == '\\')
-			fmt_print_byte(w, '\\');
+	if (b == '\0' ||
+	    b == '\b' ||
+	    b == '\f' ||
+	    b == '\n' ||
+	    b == '\r' ||
+	    b == '\t' ||
+	    b == '\v' ||
+	    b == '\\' ||
+	    b == '\'' ||
+	    b == '"' ||
+	    b == '?') {
+		fmt_print_byte(w, '\\');
+		switch (b) {
+		case '\0': fmt_print_byte(w, '0'); break;
+		case '\a': fmt_print_byte(w, 'a'); break;
+		case '\b': fmt_print_byte(w, 'b'); break;
+		case '\f': fmt_print_byte(w, 'f'); break;
+		case '\n': fmt_print_byte(w, 'n'); break;
+		case '\r': fmt_print_byte(w, 'r'); break;
+		case '\t': fmt_print_byte(w, 't'); break;
+		case '\v': fmt_print_byte(w, 'v'); break;
+		case '\\': fmt_print_byte(w, '\\'); break;
+		case '\'': fmt_print_byte(w, '\''); break;
+		case '"': fmt_print_byte(w, '"'); break;
+		case '?': fmt_print_byte(w, '?'); break;
+		}
+	} else if (' ' <= b && b <= '~') {
 		fmt_print_byte(w, b);
 	} else {
 		fmt_print_byte(w, '\\');