diff options
Diffstat (limited to 'locale/setlocale.c')
| -rw-r--r-- | locale/setlocale.c | 41 |
1 files changed, 24 insertions, 17 deletions
diff --git a/locale/setlocale.c b/locale/setlocale.c index 767a5aab6b..76cae82a72 100644 --- a/locale/setlocale.c +++ b/locale/setlocale.c @@ -234,9 +234,16 @@ setlocale (int category, const char *locale) if (locale == NULL) return (char *) _nl_global_locale.__names[category]; + /* Protect global data. */ + __libc_rwlock_wrlock (__libc_setlocale_lock); + if (strcmp (locale, _nl_global_locale.__names[category]) == 0) - /* Changing to the same thing. */ - return (char *) _nl_global_locale.__names[category]; + { + /* Changing to the same thing. */ + __libc_rwlock_unlock (__libc_setlocale_lock); + + return (char *) _nl_global_locale.__names[category]; + } /* We perhaps really have to load some data. So we determine the path in which to look for the data now. The environment variable @@ -250,12 +257,13 @@ setlocale (int category, const char *locale) if (locpath_var != NULL && locpath_var[0] != '\0') { if (__argz_create_sep (locpath_var, ':', - &locale_path, &locale_path_len) != 0) - return NULL; - - if (__argz_add_sep (&locale_path, &locale_path_len, - _nl_default_locale_path, ':') != 0) - return NULL; + &locale_path, &locale_path_len) != 0 + || __argz_add_sep (&locale_path, &locale_path_len, + _nl_default_locale_path, ':') != 0) + { + __libc_rwlock_unlock (__libc_setlocale_lock); + return NULL; + } } if (category == LC_ALL) @@ -290,8 +298,13 @@ setlocale (int category, const char *locale) break; if (cnt == __LC_LAST) - /* Bogus category name. */ - ERROR_RETURN; + { + error_return: + __libc_rwlock_unlock (__libc_setlocale_lock); + + /* Bogus category name. */ + ERROR_RETURN; + } /* Found the category this clause sets. */ newnames[cnt] = ++cp; @@ -310,12 +323,9 @@ setlocale (int category, const char *locale) for (cnt = 0; cnt < __LC_LAST; ++cnt) if (cnt != LC_ALL && newnames[cnt] == locale) /* The composite name did not specify all categories. */ - ERROR_RETURN; + goto error_return; } - /* Protect global data. */ - __libc_rwlock_wrlock (__libc_setlocale_lock); - /* Load the new data for each category. */ while (category-- > 0) if (category != LC_ALL) @@ -393,9 +403,6 @@ setlocale (int category, const char *locale) struct locale_data *newdata = NULL; const char *newname[1] = { locale }; - /* Protect global data. */ - __libc_rwlock_wrlock (__libc_setlocale_lock); - if (CATEGORY_USED (category)) { /* Only actually load the data if anything will use it. */ |