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message.c: fix dead assignment by removing dead code

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`enc_dbcs` and `enc_utf8` are deprecated (globals.h), so the second branch is
always taken.
This commit is contained in:
Sander Bosma 2017-02-19 20:59:11 +01:00
parent 8e194c53c7
commit ddd8f7d333
1 changed files with 11 additions and 26 deletions
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37
src/nvim/message.c
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@ -269,33 +269,18 @@ void trunc_string(char_u *s, char_u *buf, int room, int buflen)
}
}
/* Last part: End of the string. */
i = e;
if (enc_dbcs != 0) {
/* For DBCS going backwards in a string is slow, but
* computing the cell width isn't too slow: go forward
* until the rest fits. */
n = vim_strsize(s + i);
while (len + n > room) {
n -= ptr2cells(s + i);
i += (*mb_ptr2len)(s + i);
// Last part: End of the string.
half = i = (int)STRLEN(s);
for (;;) {
do {
half = half - (*mb_head_off)(s, s + half - 1) - 1;
} while (utf_iscomposing(utf_ptr2char(s + half)) && half > 0);
n = ptr2cells(s + half);
if (len + n > room) {
break;
}
} else if (enc_utf8) {
/* For UTF-8 we can go backwards easily. */
half = i = (int)STRLEN(s);
for (;; ) {
do
half = half - (*mb_head_off)(s, s + half - 1) - 1;
while (utf_iscomposing(utf_ptr2char(s + half)) && half > 0);
n = ptr2cells(s + half);
if (len + n > room)
break;
len += n;
i = half;
}
} else {
for (i = (int)STRLEN(s); len + (n = ptr2cells(s + i - 1)) <= room; --i)
len += n;
len += n;
i = half;
}
if (i <= e + 3) {