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message: don't output unprintable chars to screen

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fixes #7586 #8070
This commit is contained in:
Björn Linse
2018-02-27 10:02:04 +01:00
parent a98736b9c0
commit cee9a8ce8a
2 changed files with 96 additions and 10 deletions
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16
src/nvim/message.c
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@@ -1825,17 +1825,13 @@ static void msg_puts_display(const char_u *str, int maxlen, int attr,
} while (msg_col & 7);
} else if (*s == BELL) { // beep (from ":sh")
vim_beep(BO_SH);
} else {
if (has_mbyte) {
cw = (*mb_ptr2cells)(s);
if (enc_utf8 && maxlen >= 0)
/* avoid including composing chars after the end */
l = utfc_ptr2len_len(s, (int)((str + maxlen) - s));
else
l = (*mb_ptr2len)(s);
} else if (*s >= 0x20) { // printable char
cw = mb_ptr2cells(s);
if (maxlen >= 0) {
// avoid including composing chars after the end
l = utfc_ptr2len_len(s, (int)((str + maxlen) - s));
} else {
cw = 1;
l = 1;
l = utfc_ptr2len(s);
}
// When drawing from right to left or when a double-wide character
// doesn't fit, draw a single character here. Otherwise collect