Fix environment variable on Windows

Since uv_os_setenv uses SetEnvironmentVariableW, _wenviron is no
updated. As a result, inconsistency occurs in completion of environment
variable names. Change to use GetEnvironmentStaringsW instead of
_wenviron to solve it.
This commit is contained in:
erw7 2019-03-06 14:59:28 +09:00
parent 299f32dc01
commit 24a56cca30
2 changed files with 46 additions and 16 deletions

View File

@ -151,25 +151,39 @@ int os_unsetenv(const char *name)
char *os_getenvname_at_index(size_t index)
{
#ifdef _WIN32
// Check if index is inside the environ array and is not the last element.
for (size_t i = 0; i <= index; i++) {
if (_wenviron[i] == NULL) {
wchar_t *env = GetEnvironmentStringsW();
if (!env) {
return NULL;
}
}
wchar_t *utf16_str = _wenviron[index];
// GetEnvironmentStrings return environment block of the following format:
//
// var1=value1\0var2=value2\0...varN=valueN\0\0
//
char *name = NULL;
size_t current_index = 0;
for (wchar_t *it = env; *it != L'\0' || *(it + 1) != L'\0'; it++) {
if (index == current_index) {
char *utf8_str;
int conversion_result = utf16_to_utf8(utf16_str, &utf8_str);
int conversion_result = utf16_to_utf8(it, &utf8_str);
if (conversion_result != 0) {
EMSG2("utf16_to_utf8 failed: %d", conversion_result);
return NULL;
break;
}
size_t namesize = 0;
while (utf8_str[namesize] != '=' && utf8_str[namesize] != NUL) {
namesize++;
}
char *name = (char *)vim_strnsave((char_u *)utf8_str, namesize);
name = (char *)vim_strnsave((char_u *)utf8_str, namesize);
xfree(utf8_str);
break;
}
if (*it == L'\0') {
current_index++;
}
}
FreeEnvironmentStringsW(env);
return name;
#else
# if defined(HAVE__NSGETENVIRON)

View File

@ -201,6 +201,22 @@ describe('command line completion', function()
]])
end)
it('completes env var names', function()
clear()
screen:attach()
command('let $XTEST_1 = "foo" | let $XTEST_2 = "bar"')
command('set wildmode=full')
command('set wildmenu')
feed(':!echo $XTEST_<tab>')
screen:expect([[
|
{1:~ }|
{1:~ }|
{2:XTEST_1}{3: XTEST_2 }|
:!echo $XTEST_1^ |
]])
end)
it('completes (multibyte) env var names #9655', function()
clear({env={
['XTEST_1AaあB']='foo',