st

commit 11625c7166b7e4dad414606227acec2de1c36464
parent 008aae541b5cb1e67a025048adef9a06eaa11c2e
Author: czarkoff@gmail.com <czarkoff@gmail.com>
Date:   Tue, 28 Oct 2014 12:55:28 +0100

Replace character with U+FFFD if wcwidth() is -1

Helpful when new Unicode codepoints are not recognized by libc.

Diffstat:
st.c
 | 
5
++++-

1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/st.c b/st.c
@@ -2576,7 +2576,10 @@ tputc(char *c, int len) {
 		unicodep = ascii = *c;
 	} else {
 		utf8decode(c, &unicodep, UTF_SIZ);
-		width = wcwidth(unicodep);
+		if ((width = wcwidth(unicodep)) == -1) {
+			c = "\357\277\275";	/* UTF_INVALID */
+			width = 1;
+		}
 		control = ISCONTROLC1(unicodep);
 		ascii = unicodep;
 	}