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Diffstat (limited to 'src/nvim/ex_cmds.c')
-rw-r--r--src/nvim/ex_cmds.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/src/nvim/ex_cmds.c b/src/nvim/ex_cmds.c
index 7f929eec3e..a1f0a123b1 100644
--- a/src/nvim/ex_cmds.c
+++ b/src/nvim/ex_cmds.c
@@ -3468,7 +3468,6 @@ static int do_sub(exarg_T *eap, proftime_T timeout, long cmdpreview_ns, handle_T
static int pre_hl_id = 0;
pos_T old_cursor = curwin->w_cursor;
int start_nsubs;
- int save_ma = 0;
bool did_save = false;
@@ -4060,7 +4059,8 @@ static int do_sub(exarg_T *eap, proftime_T timeout, long cmdpreview_ns, handle_T
// there is a replace pattern.
if (!cmdpreview || has_second_delim) {
long lnum_start = lnum; // save the start lnum
- save_ma = curbuf->b_p_ma;
+ int save_ma = curbuf->b_p_ma;
+ int save_sandbox = sandbox;
if (subflags.do_count) {
// prevent accidentally changing the buffer by a function
curbuf->b_p_ma = false;
@@ -4072,7 +4072,8 @@ static int do_sub(exarg_T *eap, proftime_T timeout, long cmdpreview_ns, handle_T
// Disallow changing text or switching window in an expression.
textlock++;
- // get length of substitution part
+ // Get length of substitution part, including the NUL.
+ // When it fails sublen is zero.
sublen = vim_regsub_multi(&regmatch,
sub_firstlnum - regmatch.startpos[0].lnum,
(char_u *)sub, (char_u *)sub_firstline, 0,
@@ -4083,11 +4084,9 @@ static int do_sub(exarg_T *eap, proftime_T timeout, long cmdpreview_ns, handle_T
// the replacement.
// Don't keep flags set by a recursive call
subflags = subflags_save;
- if (aborting() || subflags.do_count) {
+ if (sublen == 0 || aborting() || subflags.do_count) {
curbuf->b_p_ma = save_ma;
- if (sandbox > 0) {
- sandbox--;
- }
+ sandbox = save_sandbox;
goto skip;
}