diff options
| -rw-r--r-- | src/nvim/ex_cmds.c | 3 | ||||
| -rw-r--r-- | src/nvim/testdir/test_help.vim | 8 |
2 files changed, 9 insertions, 2 deletions
diff --git a/src/nvim/ex_cmds.c b/src/nvim/ex_cmds.c index ca5e14ee63..12598a88d1 100644 --- a/src/nvim/ex_cmds.c +++ b/src/nvim/ex_cmds.c @@ -5071,8 +5071,7 @@ int find_help_tags(const char_u *arg, int *num_matches, char_u ***matches, bool && ((arg[1] != NUL && arg[2] == NUL) || (vim_strchr((char_u *)"%_z@", arg[1]) != NULL && arg[2] != NUL))) { - STRCPY(d, "/\\\\"); - STRCPY(d + 3, arg + 1); + vim_snprintf((char *)d, IOSIZE, "/\\\\%s", arg + 1); // Check for "/\\_$", should be "/\\_\$" if (d[3] == '_' && d[4] == '$') { STRCPY(d + 4, "\\$"); diff --git a/src/nvim/testdir/test_help.vim b/src/nvim/testdir/test_help.vim index 8e59efd22d..977dad6a45 100644 --- a/src/nvim/testdir/test_help.vim +++ b/src/nvim/testdir/test_help.vim @@ -101,4 +101,12 @@ func Test_helptag_cmd() call delete('Xdir', 'rf') endfunc +func Test_help_long_argument() + try + exe 'help \%' .. repeat('0', 1021) + catch + call assert_match("E149:", v:exception) + endtry +endfunc + " vim: shiftwidth=2 sts=2 expandtab |