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vim-patch:8.0.1485: weird autocmd may cause arglist to be changed recursively

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Problem:    Weird autocmd may cause arglist to be changed recursively.
Solution:   Prevent recursively changing the argument list. (Christian
            Brabandt, closes vim/vim#2472)
9e33efd152
This commit is contained in:
Jan Edmund Lazo 2018-09-29 00:41:02 -04:00
parent 6e146d4132
commit 63b1a7d0cf
2 changed files with 11 additions and 0 deletions
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9
src/nvim/ex_docmd.c
View File

@ -6536,6 +6536,13 @@ void alist_expand(int *fnum_list, int fnum_len)
void alist_set(alist_T *al, int count, char_u **files, int use_curbuf, int *fnum_list, int fnum_len) void alist_set(alist_T *al, int count, char_u **files, int use_curbuf, int *fnum_list, int fnum_len)
{ {
int i; int i;
static int recursive = 0;
if (recursive) {
EMSG(_(e_au_recursive));
return;
}
recursive++;
alist_clear(al); alist_clear(al);
ga_grow(&al->al_ga, count); ga_grow(&al->al_ga, count);
@ -6562,6 +6569,8 @@ void alist_set(alist_T *al, int count, char_u **files, int use_curbuf, int *fnum
if (al == &global_alist) if (al == &global_alist)
arg_had_last = FALSE; arg_had_last = FALSE;
recursive--;
} }
/* /*

2
src/nvim/globals.h
View File

@ -1099,6 +1099,8 @@ EXTERN char_u e_notset[] INIT(= N_("E764: Option '%s' is not set"));
EXTERN char_u e_invalidreg[] INIT(= N_("E850: Invalid register name")); EXTERN char_u e_invalidreg[] INIT(= N_("E850: Invalid register name"));
EXTERN char_u e_dirnotf[] INIT(= N_( EXTERN char_u e_dirnotf[] INIT(= N_(
"E919: Directory not found in '%s': \"%s\"")); "E919: Directory not found in '%s': \"%s\""));
EXTERN char_u e_au_recursive[] INIT(= N_(
"E952: Autocommand caused recursive behavior"));
EXTERN char_u e_unsupportedoption[] INIT(= N_("E519: Option not supported")); EXTERN char_u e_unsupportedoption[] INIT(= N_("E519: Option not supported"));
EXTERN char_u e_fnametoolong[] INIT(= N_("E856: Filename too long")); EXTERN char_u e_fnametoolong[] INIT(= N_("E856: Filename too long"));
EXTERN char_u e_float_as_string[] INIT(= N_("E806: using Float as a String")); EXTERN char_u e_float_as_string[] INIT(= N_("E806: using Float as a String"));