vty_mk_wcwidth: return -1 on failure
commita2d9c0a165641dfe1e5d3838597e2d96b7709999
authorJonathan Daugherty <cygnus@foobox.com>
dateThu 5 Mar 2020, 14:18 (7 years ago)
parent1dc1239
cbits/mk_wcwidth.c+1−1
@@ -237,7 +237,7 @@ HsInt vty_mk_wcwidth(HsChar ch)
237237 if ((ch >= 0) && (ch < custom_table_size)) {
238238 return custom_table[ch];
239239 } else {
240− return 0;
240+ return -1;
241241 }
242242 } else {
243243 return builtin_wcwidth(ch);