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feat(aucmd_win): allow crazy things with hidden buffers (#21250)

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Problem:    Crash when doing crazy things with hidden buffers.
Solution:   Dynamically allocate the list of autocommand windows.
This commit is contained in:
zeertzjq
2022-12-02 20:39:24 +08:00
committed by GitHub
parent 805c83f43e
commit 1145a9b248
12 changed files with 134 additions and 153 deletions
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10
src/nvim/eval/vars.c
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@@ -1802,13 +1802,11 @@ void f_setbufvar(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
// Set curbuf to be our buf, temporarily.
aucmd_prepbuf(&aco, buf);
if (curbuf == buf) {
// Only when it worked to set "curbuf".
set_option_from_tv(varname + 1, varp);
// reset notion of buffer
aucmd_restbuf(&aco);
}
set_option_from_tv(varname + 1, varp);
// reset notion of buffer
aucmd_restbuf(&aco);
} else {
const size_t varname_len = strlen(varname);
char *const bufvarname = xmalloc(varname_len + 3);