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patch 8.0.1372: profile log may be truncated halfway a character

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Problem:    Profile log may be truncated halfway a character.
Solution:   Find the start of the character. (Ozaki Kiichi, closes #2385)
This commit is contained in:
Bram Moolenaar
2017-12-05 16:46:28 +01:00
parent feeb4d0901
commit ac112f01a6
3 changed files with 63 additions and 0 deletions
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20
src/ex_cmds2.c
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@@ -1834,6 +1834,26 @@ script_dump_profile(FILE *fd)
{
if (vim_fgets(IObuff, IOSIZE, sfd))
break;
/* When a line has been truncated, append NL, taking care
* of multi-byte characters . */
if (IObuff[IOSIZE - 2] != NUL && IObuff[IOSIZE - 2] != NL)
{
int n = IOSIZE - 2;
# ifdef FEAT_MBYTE
if (enc_utf8)
{
/* Move to the first byte of this char.
* utf_head_off() doesn't work, because it checks
* for a truncated character. */
while (n > 0 && (IObuff[n] & 0xc0) == 0x80)
--n;
}
else if (has_mbyte)
n -= mb_head_off(IObuff, IObuff + n);
# endif
IObuff[n] = NL;
IObuff[n + 1] = NUL;
}
if (i < si->sn_prl_ga.ga_len
&& (pp = &PRL_ITEM(si, i))->snp_count > 0)
{