Replace character with U+FFFD if wcwidth() is -1 - st - simple terminal
HTML git clone https://git.parazyd.org/st
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DIR LICENSE
---
DIR commit 11625c7166b7e4dad414606227acec2de1c36464
DIR parent 008aae541b5cb1e67a025048adef9a06eaa11c2e
HTML 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:
M st.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
---
DIR 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;
}