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unicode: check $LC_CTYPE too to detect Unicode mode

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2013-07-05 22:00:57 +02:00
parent 4f9fc1e5f5
commit 2301d127a2
4 changed files with 13 additions and 2 deletions
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5
Config.in
View File

@ -161,12 +161,13 @@ config UNICODE_USING_LOCALE
Internal implementation is smaller.
config FEATURE_CHECK_UNICODE_IN_ENV
bool "Check $LANG environment variable"
bool "Check $LC_ALL, $LC_CTYPE and $LANG environment variables"
default n
depends on UNICODE_SUPPORT && !UNICODE_USING_LOCALE
help
With this option on, Unicode support is activated
only if LANG variable has the value of the form "xxxx.utf8"
only if locale-related variables have the value of the form
"xxxx.utf8"
Otherwise, Unicode support will be always enabled and active.

8
libbb/unicode.c
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@ -39,8 +39,15 @@ void FAST_FUNC reinit_unicode(const char *LANG)
void FAST_FUNC init_unicode(void)
{
/* Some people set only $LC_CTYPE, not $LC_ALL, because they want
* only Unicode to be activated on their system, not the whole
* shebang of wrong decimal points, strange date formats and so on.
*
* TODO? Maybe we should use LC_CTYPE instead of LC_ALL in setlocale()?
*/
if (unicode_status == UNICODE_UNKNOWN) {
char *s = getenv("LC_ALL");
if (!s) s = getenv("LC_CTYPE");
if (!s) s = getenv("LANG");
reinit_unicode(s);
}
@ -63,6 +70,7 @@ void FAST_FUNC init_unicode(void)
{
if (unicode_status == UNICODE_UNKNOWN) {
char *s = getenv("LC_ALL");
if (!s) s = getenv("LC_CTYPE");
if (!s) s = getenv("LANG");
reinit_unicode(s);
}

1
shell/ash.c
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@ -9659,6 +9659,7 @@ preadfd(void)
*/
{
const char *s = lookupvar("LC_ALL");
if (!s) s = lookupvar("LC_CTYPE");
if (!s) s = lookupvar("LANG");
reinit_unicode(s);
}

1
shell/hush.c
View File

@ -2045,6 +2045,7 @@ static void get_user_input(struct in_str *i)
* shell was started. Therefore, re-check LANG every time:
*/
const char *s = get_local_var_value("LC_ALL");
if (!s) s = get_local_var_value("LC_CTYPE");
if (!s) s = get_local_var_value("LANG");
reinit_unicode(s);