From 11625c7166b7e4dad414606227acec2de1c36464 Mon Sep 17 00:00:00 2001 From: "czarkoff@gmail.com" Date: Tue, 28 Oct 2014 12:55:28 +0100 Subject: [PATCH] Replace character with U+FFFD if wcwidth() is -1 Helpful when new Unicode codepoints are not recognized by libc. --- st.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) 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; }