libmisc: fmt: Add hbyte and hmem

2 files changed, 15 insertions, 0 deletions

diff --git a/libmisc/fmt.c b/libmisc/fmt.c
index d3ca14a..a8baa84 100644
--- a/libmisc/fmt.c
+++ b/libmisc/fmt.c
@@ -28,6 +28,17 @@ void fmt_print_strn(lo_interface fmt_dest w, const char *str, size_t size) {
 		fmt_print_byte(w, *(str++));
 }
 
+void fmt_print_hmem(lo_interface fmt_dest w, const void *_str, size_t size) {
+	const uint8_t *str = _str;
+	fmt_print_byte(w, '{');
+	for (size_t i = 0; i < size; i++) {
+		if (i)
+			fmt_print_byte(w, ',');
+		fmt_print_hbyte(w, str[i]);
+	}
+	fmt_print_byte(w, '}');
+}
+
 void fmt_print_byte(lo_interface fmt_dest w, uint8_t b) {
 	LO_CALL(w, putb, b);
 }
diff --git a/libmisc/include/libmisc/fmt.h b/libmisc/include/libmisc/fmt.h
index 4abe730..c0743ff 100644
--- a/libmisc/include/libmisc/fmt.h
+++ b/libmisc/include/libmisc/fmt.h
@@ -34,6 +34,10 @@ void fmt_print_qmem(lo_interface fmt_dest w, const void *str, size_t size);
 void fmt_print_qstr(lo_interface fmt_dest w, const char *str);
 void fmt_print_qstrn(lo_interface fmt_dest w, const char *str, size_t size);
 
+/* Hex bytes.  */
+#define fmt_print_hbyte fmt_print_base16_u8_
+void fmt_print_hmem(lo_interface fmt_dest w, const void *str, size_t size);
+
 /* Integers.  */
 #define _fmt_declare_base(base)                                                  \
 	void _fmt_print_base##base##_u8(lo_interface fmt_dest w, uint8_t val);   \