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| author | Denys Vlasenko | 2011-03-23 17:59:27 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2011-03-23 17:59:27 +0100 |
| commit | 20704f066250744c0c2b84920c27d0fd0aa9e935 (patch) | |
| tree | 8a76e56e4be0beb84dbe993922d4be86ab694350 /libbb/unicode.c | |
| parent | 7f4b769c42f3773ff2e2e749547291dcb7e85d01 (diff) | |
| download | busybox-20704f066250744c0c2b84920c27d0fd0aa9e935.zip busybox-20704f066250744c0c2b84920c27d0fd0aa9e935.tar.gz | |
ash,hush: recheck LANG before every line input
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb/unicode.c')
| -rw-r--r-- | libbb/unicode.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/libbb/unicode.c b/libbb/unicode.c index 08a4c74..d01efd9 100644 --- a/libbb/unicode.c +++ b/libbb/unicode.c @@ -23,37 +23,43 @@ uint8_t unicode_status; /* Unicode support using libc locale support. */ -void FAST_FUNC init_unicode(void) +void FAST_FUNC reinit_unicode(const char *LANG UNUSED_PARAM) { static const char unicode_0x394[] = { 0xce, 0x94, 0 }; size_t width; - if (unicode_status != UNICODE_UNKNOWN) - return; +//TODO: call setlocale(LC_ALL, LANG) here? + /* In unicode, this is a one character string */ // can use unicode_strlen(string) too, but otherwise unicode_strlen() is unused width = mbstowcs(NULL, unicode_0x394, INT_MAX); unicode_status = (width == 1 ? UNICODE_ON : UNICODE_OFF); } +void FAST_FUNC init_unicode(void) +{ + if (unicode_status == UNICODE_UNKNOWN) + reinit_unicode(NULL /*getenv("LANG")*/); +} + #else /* Homegrown Unicode support. It knows only C and Unicode locales. */ # if ENABLE_FEATURE_CHECK_UNICODE_IN_ENV -void FAST_FUNC init_unicode(void) +void FAST_FUNC reinit_unicode(const char *LANG) { - char *lang; - - if (unicode_status != UNICODE_UNKNOWN) - return; - unicode_status = UNICODE_OFF; - lang = getenv("LANG"); - if (!lang || !(strstr(lang, ".utf") || strstr(lang, ".UTF"))) + if (!LANG || !(strstr(LANG, ".utf") || strstr(LANG, ".UTF"))) return; unicode_status = UNICODE_ON; } + +void FAST_FUNC init_unicode(void) +{ + if (unicode_status == UNICODE_UNKNOWN) + reinit_unicode(getenv("LANG")); +} # endif static size_t wcrtomb_internal(char *s, wchar_t wc) |