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patch 8.0.1669: :vimgrep may add entries to the wrong quickfix list

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Problem:    :vimgrep may add entries to the wrong quickfix list.
Solution:   Use the list identifier. (Yegappan Lakshmanan)
This commit is contained in:
Bram Moolenaar
2018-04-06 22:58:23 +02:00
parent c4b533e1e9
commit e1bb879f49
3 changed files with 80 additions and 51 deletions
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88
src/quickfix.c
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@@ -4159,6 +4159,21 @@ ex_cfile(exarg_T *eap)
qf_jump(qi, 0, 0, eap->forceit); /* display first error */
}
/*
* Return the quickfix/location list number with the given identifier.
* Returns -1 if list is not found.
*/
static int
qf_id2nr(qf_info_T *qi, int_u qfid)
{
int qf_idx;
for (qf_idx = 0; qf_idx < qi->qf_listcount; qf_idx++)
if (qi->qf_lists[qf_idx].qf_id == qfid)
return qf_idx;
return -1;
}
/*
* Return the vimgrep autocmd name.
*/
@@ -4272,40 +4287,32 @@ vgr_load_dummy_buf(
*/
static int
vgr_qflist_valid(
win_T *wp,
qf_info_T *qi,
int_u save_qfid,
qfline_T *cur_qf_start,
int loclist_cmd,
int_u qfid,
char_u *title)
{
if (loclist_cmd)
/* Verify that the quickfix/location list was not freed by an autocmd */
if (!qflist_valid(wp, qfid))
{
/*
* Verify that the location list is still valid. An autocmd might
* have freed the location list.
*/
if (!qflist_valid(curwin, save_qfid))
if (wp != NULL)
{
/* An autocmd has freed the location list. */
EMSG(_(e_loc_list_changed));
return FALSE;
}
else
{
/* Quickfix list is not found, create a new one. */
qf_new_list(qi, title);
return TRUE;
}
}
if (cur_qf_start != qi->qf_lists[qi->qf_curlist].qf_start)
{
int idx;
if (qi->qf_lists[qi->qf_curlist].qf_id != qfid)
/* Autocommands changed the quickfix list. Find the one we were
* using and restore it. */
for (idx = 0; idx < LISTCOUNT; ++idx)
if (cur_qf_start == qi->qf_lists[idx].qf_start)
{
qi->qf_curlist = idx;
break;
}
if (idx == LISTCOUNT)
/* List cannot be found, create a new one. */
qf_new_list(qi, title);
}
qi->qf_curlist = qf_id2nr(qi, qfid);
return TRUE;
}
@@ -4424,10 +4431,8 @@ ex_vimgrep(exarg_T *eap)
char_u *p;
int fi;
qf_info_T *qi = &ql_info;
int loclist_cmd = FALSE;
int_u save_qfid;
qfline_T *cur_qf_start;
win_T *wp;
win_T *wp = NULL;
buf_T *buf;
int duplicate_name = FALSE;
int using_dummy;
@@ -4461,7 +4466,7 @@ ex_vimgrep(exarg_T *eap)
qi = ll_get_or_alloc_list(curwin);
if (qi == NULL)
return;
loclist_cmd = TRUE;
wp = curwin;
}
if (eap->addr_count > 0)
@@ -4518,10 +4523,9 @@ ex_vimgrep(exarg_T *eap)
* ":lcd %:p:h" changes the meaning of short path names. */
mch_dirname(dirname_start, MAXPATHL);
/* Remember the current values of the quickfix list and qf_start, so that
* we can check for autocommands changing the current quickfix list. */
/* Remember the current quickfix list identifier, so that we can check for
* autocommands changing the current quickfix list. */
save_qfid = qi->qf_lists[qi->qf_curlist].qf_id;
cur_qf_start = qi->qf_lists[qi->qf_curlist].qf_start;
seconds = (time_t)0;
for (fi = 0; fi < fcount && !got_int && tomatch > 0; ++fi)
@@ -4549,11 +4553,11 @@ ex_vimgrep(exarg_T *eap)
/* Use existing, loaded buffer. */
using_dummy = FALSE;
/* Check whether the quickfix list is still valid */
if (!vgr_qflist_valid(qi, save_qfid, cur_qf_start, loclist_cmd,
*eap->cmdlinep))
/* Check whether the quickfix list is still valid. When loading a
* buffer above, autocommands might have changed the quickfix list. */
if (!vgr_qflist_valid(wp, qi, save_qfid, *eap->cmdlinep))
goto theend;
cur_qf_start = qi->qf_lists[qi->qf_curlist].qf_start;
save_qfid = qi->qf_lists[qi->qf_curlist].qf_id;
if (buf == NULL)
{
@@ -4567,8 +4571,6 @@ ex_vimgrep(exarg_T *eap)
found_match = vgr_match_buflines(qi, fname, buf, &regmatch,
tomatch, duplicate_name, flags);
cur_qf_start = qi->qf_lists[qi->qf_curlist].qf_start;
if (using_dummy)
{
if (found_match && first_match_buf == NULL)
@@ -4649,7 +4651,6 @@ ex_vimgrep(exarg_T *eap)
* The QuickFixCmdPost autocmd may free the quickfix list. Check the list
* is still valid.
*/
wp = loclist_cmd ? curwin : NULL;
if (!qflist_valid(wp, save_qfid))
goto theend;
@@ -4994,21 +4995,6 @@ qf_get_list_from_lines(dict_T *what, dictitem_T *di, dict_T *retdict)
return status;
}
/*
* Return the quickfix/location list number with the given identifier.
* Returns -1 if list is not found.
*/
static int
qf_id2nr(qf_info_T *qi, int_u qfid)
{
int qf_idx;
for (qf_idx = 0; qf_idx < qi->qf_listcount; qf_idx++)
if (qi->qf_lists[qf_idx].qf_id == qfid)
return qf_idx;
return -1;
}
/*
* Return the quickfix/location list window identifier in the current tabpage.
*/