Fix for multibyte characters in techo.

Works for both signed and unsigned char.
2014-04-25 18:28:00 +04:00 · 2014-04-25 18:28:00 +04:00 · c4b79b055d
parent 7f1e02e4db
commit c4b79b055d
1 changed files with 1 additions and 1 deletions
--- a/st.c
+++ b/st.c
@ -2298,7 +2298,7 @@ techo(char *buf, int len) {
 	for(; len > 0; buf++, len--) {
 		char c = *buf;

-		if(c < 0x20 || c == 0177) { /* control code */
+		if(BETWEEN(c, 0x00, 0x1f) || c == 0x7f) { /* control code */
 			if(c != '\n' && c != '\r' && c != '\t') {
 				c ^= '\x40';
 				tputc("^", 1);