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patch 8.2.2666: Vim9: not enough function arguments checked for string

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Problem:    Vim9: not enough function arguments checked for string.
Solution:   Check in ch_logfile(), char2nr() and others.
This commit is contained in:
Bram Moolenaar
2021-03-27 21:23:30 +01:00
parent 7b45d46cf7
commit c580943965
6 changed files with 54 additions and 0 deletions
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5
src/channel.c
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@@ -4883,6 +4883,11 @@ f_ch_logfile(typval_T *argvars, typval_T *rettv UNUSED)
// Don't open a file in restricted mode.
if (check_restricted() || check_secure())
return;
if (in_vim9script()
&& (check_for_string_arg(argvars, 0) == FAIL
|| check_for_string_arg(argvars, 1) == FAIL))
return;
fname = tv_get_string(&argvars[0]);
if (argvars[1].v_type == VAR_STRING)
opt = tv_get_string_buf(&argvars[1], buf);