diff options
Diffstat (limited to 'src/nvim/ex_cmds.c')
-rw-r--r-- | src/nvim/ex_cmds.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/nvim/ex_cmds.c b/src/nvim/ex_cmds.c index 71b3517adc..830e764104 100644 --- a/src/nvim/ex_cmds.c +++ b/src/nvim/ex_cmds.c @@ -3627,13 +3627,20 @@ static buf_T *do_sub(exarg_T *eap, proftime_T timeout, bool do_buf_event, handle sub_firstline = NULL; - // ~ in the substitute pattern is replaced with the old pattern. - // We do it here once to avoid it to be replaced over and over again. - // But don't do it when it starts with "\=", then it's an expression. assert(sub != NULL); bool sub_needs_free = false; - if (!(sub[0] == '\\' && sub[1] == '=')) { + char_u *sub_copy = NULL; + + // If the substitute pattern starts with "\=" then it's an expression. + // Make a copy, a recursive function may free it. + // Otherwise, '~' in the substitute pattern is replaced with the old + // pattern. We do it here once to avoid it to be replaced over and over + // again. + if (sub[0] == '\\' && sub[1] == '=') { + sub = vim_strsave(sub); + sub_copy = sub; + } else { char_u *source = sub; sub = regtilde(sub, p_magic); // When previewing, the new pattern allocated by regtilde() needs to be freed @@ -4412,6 +4419,7 @@ skip: } vim_regfree(regmatch.regprog); + xfree(sub_copy); // Restore the flag values, they can be used for ":&&". subflags.do_all = save_do_all; |