turn some magic constants into #defines

1 files changed, 16 insertions, 7 deletions

diff --git a/uxd.c b/uxd.c
index e675348..dbea5f0 100644
--- a/uxd.c
+++ b/uxd.c
@@ -72,12 +72,22 @@ int special_color = PURPLE;
 int cur_normal_hilite = 0;
 
 /* highlight types. HL_NORM_INV is only used for the hex bytes, not
-   the human-readable right column.  */
+   the human-readable right column. */
 #define HL_NORMAL 0
 #define HL_NORM_INV 1
 #define HL_SPECIAL 2
 #define HL_BAD 3
 
+/* terminal codes for mono highlighting. */
+#define MONO_NORMAL 0
+#define MONO_UNDERLINE 4
+#define MONO_BOLD 1
+#define MONO_REVERSE 7
+
+/* replacement character � is U+FFFD */
+#define PRINT_BAD "�"
+#define PRINT_BOM "B"
+
 /* name (read from argv[0]), for error/warning messages. */
 const char *self;
 
@@ -431,14 +441,14 @@ void append_mono(char *buf, int hl_type) {
 	switch(hl_type) {
 		case HL_NORMAL:
 		case HL_NORM_INV:
-			code = cur_normal_hilite ? 4 : 0; /* underline : normal */
+			code = cur_normal_hilite ? MONO_UNDERLINE : MONO_NORMAL;
 			break;
 		case HL_SPECIAL:
-			code = 1; /* bold */
+			code = MONO_BOLD;
 			break;
 		default:
 		case HL_BAD:
-			code = 7; /* reverse video */
+			code = MONO_REVERSE;
 			break;
 	}
 
@@ -626,14 +636,13 @@ int dump_utf8_char(void) {
 	/* decide how to highlight the current character */
 	if(bad) {
 		hl_type = HL_BAD;
-		/* replacement character � is U+FFFD */
-		printable = "�";
+		printable = PRINT_BAD;
 	} else if(special) {
 		hl_type = HL_SPECIAL;
 		printable = get_special(bytes[0]);
 	} else if(cont_count == 2 && is_bom(bytes)) {
 		hl_type = HL_SPECIAL;
-		printable = "B";
+		printable = PRINT_BOM;
 	} else {
 		hl_type = HL_NORMAL;
 		printable = (char *)bytes;