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-rw-r--r--src/nvim/eval.c21
-rw-r--r--test/functional/eval/writefile_spec.lua85
2 files changed, 83 insertions, 23 deletions
diff --git a/src/nvim/eval.c b/src/nvim/eval.c
index 941f4cd93a..3c2a29bf8a 100644
--- a/src/nvim/eval.c
+++ b/src/nvim/eval.c
@@ -18033,7 +18033,11 @@ static bool write_list(FileDescriptor *const fp, const list_T *const list,
{
int error = 0;
for (const listitem_T *li = list->lv_first; li != NULL; li = li->li_next) {
- const char *const s = (const char *)get_tv_string((typval_T *)&li->li_tv);
+ const char *const s = (const char *)get_tv_string_chk(
+ (typval_T *)&li->li_tv);
+ if (s == NULL) {
+ return false;
+ }
const char *hunk_start = s;
for (const char *p = hunk_start;; p++) {
if (*p == NUL || *p == NL) {
@@ -18168,15 +18172,24 @@ static void f_writefile(typval_T *argvars, typval_T *rettv, FunPtr fptr)
bool binary = false;
bool append = false;
if (argvars[2].v_type != VAR_UNKNOWN) {
- if (vim_strchr(get_tv_string(&argvars[2]), 'b')) {
+ const char *const flags = (const char *)get_tv_string_chk(&argvars[2]);
+ if (flags == NULL) {
+ return;
+ }
+ if (strchr(flags, 'b')) {
binary = true;
}
- if (vim_strchr(get_tv_string(&argvars[2]), 'a')) {
+ if (strchr(flags, 'a')) {
append = true;
}
}
- const char *const fname = (const char *)get_tv_string(&argvars[1]);
+ const char buf[NUMBUFLEN];
+ const char *const fname = (const char *)get_tv_string_buf_chk(&argvars[1],
+ (char_u *)buf);
+ if (fname == NULL) {
+ return;
+ }
FileDescriptor *fp;
int error;
rettv->vval.v_number = -1;
diff --git a/test/functional/eval/writefile_spec.lua b/test/functional/eval/writefile_spec.lua
index a8b773f756..3052c616e0 100644
--- a/test/functional/eval/writefile_spec.lua
+++ b/test/functional/eval/writefile_spec.lua
@@ -1,15 +1,34 @@
local helpers = require('test.functional.helpers')(after_each)
+local lfs = require('lfs')
local clear = helpers.clear
local eq = helpers.eq
local funcs = helpers.funcs
+local meths = helpers.meths
local exc_exec = helpers.exc_exec
local read_file = helpers.read_file
+local write_file = helpers.write_file
+local redir_exec = helpers.redir_exec
local fname = 'Xtest-functional-eval-writefile'
+local dname = fname .. '.d'
+local dfname_tail = '1'
+local dfname = dname .. '/' .. dfname_tail
+local ddname_tail = '2'
+local ddname = dname .. '/' .. ddname_tail
-before_each(clear)
-after_each(function() os.remove(fname) end)
+before_each(function()
+ lfs.mkdir(dname)
+ lfs.mkdir(ddname)
+ clear()
+end)
+
+after_each(function()
+ os.remove(fname)
+ os.remove(dfname)
+ lfs.rmdir(ddname)
+ lfs.rmdir(dname)
+end)
describe('writefile()', function()
it('writes empty list to a file', function()
@@ -68,26 +87,54 @@ describe('writefile()', function()
eq('a\0', read_file(fname))
end)
+ it('shows correct file name when supplied numbers', function()
+ meths.set_current_dir(dname)
+ eq('\nE482: Can\'t open file 2 for writing: illegal operation on a directory',
+ redir_exec(('call writefile([42], %s)'):format(ddname_tail)))
+ end)
+
it('errors out with invalid arguments', function()
- eq('Vim(call):E119: Not enough arguments for function: writefile',
- exc_exec('call writefile()'))
- eq('Vim(call):E119: Not enough arguments for function: writefile',
- exc_exec('call writefile([])'))
- eq('Vim(call):E118: Too many arguments for function: writefile',
- exc_exec(('call writefile([], "%s", "b", 1)'):format(fname)))
+ write_file(fname, 'TEST')
+ eq('\nE119: Not enough arguments for function: writefile',
+ redir_exec('call writefile()'))
+ eq('\nE119: Not enough arguments for function: writefile',
+ redir_exec('call writefile([])'))
+ eq('\nE118: Too many arguments for function: writefile',
+ redir_exec(('call writefile([], "%s", "b", 1)'):format(fname)))
for _, arg in ipairs({'0', '0.0', 'function("tr")', '{}', '"test"'}) do
- eq('Vim(call):E686: Argument of writefile() must be a List',
- exc_exec(('call writefile(%s, "%s", "b")'):format(arg, fname)))
+ eq('\nE686: Argument of writefile() must be a List',
+ redir_exec(('call writefile(%s, "%s", "b")'):format(arg, fname)))
end
- for _, args in ipairs({'%s, "b"', '"' .. fname .. '", %s'}) do
- eq('Vim(call):E806: using Float as a String',
- exc_exec(('call writefile([], %s)'):format(args:format('0.0'))))
- eq('Vim(call):E730: using List as a String',
- exc_exec(('call writefile([], %s)'):format(args:format('[]'))))
- eq('Vim(call):E731: using Dictionary as a String',
- exc_exec(('call writefile([], %s)'):format(args:format('{}'))))
- eq('Vim(call):E729: using Funcref as a String',
- exc_exec(('call writefile([], %s)'):format(args:format('function("tr")'))))
+ for _, args in ipairs({'[], %s, "b"', '[], "' .. fname .. '", %s'}) do
+ eq('\nE806: using Float as a String',
+ redir_exec(('call writefile(%s)'):format(args:format('0.0'))))
+ eq('\nE730: using List as a String',
+ redir_exec(('call writefile(%s)'):format(args:format('[]'))))
+ eq('\nE731: using Dictionary as a String',
+ redir_exec(('call writefile(%s)'):format(args:format('{}'))))
+ eq('\nE729: using Funcref as a String',
+ redir_exec(('call writefile(%s)'):format(args:format('function("tr")'))))
end
+ eq('TEST', read_file(fname))
+ end)
+
+ it('stops writing to file after error in list', function()
+ local args = '["tset"] + repeat([%s], 3), "' .. fname .. '"'
+ eq('\nE806: using Float as a String',
+ redir_exec(('call writefile(%s)'):format(args:format('0.0'))))
+ eq('tset\n', read_file(fname))
+ write_file(fname, 'TEST')
+ eq('\nE730: using List as a String',
+ redir_exec(('call writefile(%s)'):format(args:format('[]'))))
+ eq('tset\n', read_file(fname))
+ write_file(fname, 'TEST')
+ eq('\nE731: using Dictionary as a String',
+ redir_exec(('call writefile(%s)'):format(args:format('{}'))))
+ eq('tset\n', read_file(fname))
+ write_file(fname, 'TEST')
+ eq('\nE729: using Funcref as a String',
+ redir_exec(('call writefile(%s)'):format(args:format('function("tr")'))))
+ eq('tset\n', read_file(fname))
+ write_file(fname, 'TEST')
end)
end)