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patch 8.0.1750: crash when clearing loccation list in autocommand

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Problem:    Crash when clearing loccation list in autocommand.
Solution:   Check if "qi" equals "ql_info". (Yegappan Lakshmanan)
This commit is contained in:
Bram Moolenaar
2018-04-23 21:29:48 +02:00
parent 6537c421bb
commit 3b9474b4ad
3 changed files with 17 additions and 5 deletions
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6
src/quickfix.c
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@@ -5897,7 +5897,6 @@ ex_helpgrep(exarg_T *eap)
char_u *lang;
#endif
qf_info_T *qi = &ql_info;
qf_info_T *save_qi;
int new_qi = FALSE;
win_T *wp;
char_u *au_name = NULL;
@@ -5951,9 +5950,6 @@ ex_helpgrep(exarg_T *eap)
}
}
/* Autocommands may change the list. Save it for later comparison */
save_qi = qi;
regmatch.regprog = vim_regcomp(eap->arg, RE_MAGIC + RE_STRING);
regmatch.rm_ic = FALSE;
if (regmatch.regprog != NULL)
@@ -6086,7 +6082,7 @@ ex_helpgrep(exarg_T *eap)
{
apply_autocmds(EVENT_QUICKFIXCMDPOST, au_name,
curbuf->b_fname, TRUE, curbuf);
if (!new_qi && qi != save_qi && qf_find_buf(qi) == NULL)
if (!new_qi && qi != &ql_info && qf_find_buf(qi) == NULL)
/* autocommands made "qi" invalid */
return;
}