X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=st.c;h=ad52280d62898b01f457600187d6f923aa3e00a9;hb=11625c7166b7e4dad414606227acec2de1c36464;hp=23dd7f1fd76d500252a75c33425b24e3d6aaec2e;hpb=008aae541b5cb1e67a025048adef9a06eaa11c2e;p=st.git

diff --git a/st.c b/st.c
index 23dd7f1..ad52280 100644
--- 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;
 	}