# st

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    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:
    Mst.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;
     	}