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-rw-r--r--src/nvim/regexp.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/src/nvim/regexp.c b/src/nvim/regexp.c
index 1c88bd4ba4..a2589ac431 100644
--- a/src/nvim/regexp.c
+++ b/src/nvim/regexp.c
@@ -3605,6 +3605,24 @@ theend:
if (backpos.ga_maxlen > BACKPOS_INITIAL)
ga_clear(&backpos);
+ if (retval > 0) {
+ // Make sure the end is never before the start. Can happen when \zs
+ // and \ze are used.
+ if (REG_MULTI) {
+ const lpos_T *const start = &rex.reg_mmatch->startpos[0];
+ const lpos_T *const end = &rex.reg_mmatch->endpos[0];
+
+ if (end->lnum < start->lnum
+ || (end->lnum == start->lnum && end->col < start->col)) {
+ rex.reg_mmatch->endpos[0] = rex.reg_mmatch->startpos[0];
+ }
+ } else {
+ if (rex.reg_match->endp[0] < rex.reg_match->startp[0]) {
+ rex.reg_match->endp[0] = rex.reg_match->startp[0];
+ }
+ }
+ }
+
return retval;
}
@@ -3706,8 +3724,7 @@ static long regtry(bt_regprog_T *prog,
} else {
if (reg_startzp[i] != NULL && reg_endzp[i] != NULL)
re_extmatch_out->matches[i] =
- vim_strnsave(reg_startzp[i],
- (int)(reg_endzp[i] - reg_startzp[i]));
+ vim_strnsave(reg_startzp[i], reg_endzp[i] - reg_startzp[i]);
}
}
}
@@ -6547,7 +6564,7 @@ static int fill_submatch_list(int argc FUNC_ATTR_UNUSED, typval_T *argv,
if (s == NULL || rsm.sm_match->endp[i] == NULL) {
s = NULL;
} else {
- s = vim_strnsave(s, (int)(rsm.sm_match->endp[i] - s));
+ s = vim_strnsave(s, rsm.sm_match->endp[i] - s);
}
TV_LIST_ITEM_TV(li)->v_type = VAR_STRING;
TV_LIST_ITEM_TV(li)->vval.v_string = s;
@@ -7066,7 +7083,7 @@ char_u *reg_submatch(int no)
if (s == NULL || rsm.sm_match->endp[no] == NULL) {
retval = NULL;
} else {
- retval = vim_strnsave(s, (int)(rsm.sm_match->endp[no] - s));
+ retval = vim_strnsave(s, rsm.sm_match->endp[no] - s);
}
}