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LC_ALL not always take priority over other LC_*

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Obtained from:  NetBSD
PR:             62047
This commit is contained in:
ache 2004-01-31 19:15:32 +00:00
parent 74d898f209
commit d0d398da1c
1 changed files with 35 additions and 22 deletions
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57
lib/libc/locale/setlocale.c
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@ -99,6 +99,7 @@ static char current_locale_string[_LC_LAST * (ENCODING_LEN + 1/*"/"*/ + 1)];
static char *currentlocale(void);
static char *loadlocale(int);
static const char *__get_locale_env(int);
char *
setlocale(category, locale)
@ -106,7 +107,7 @@ setlocale(category, locale)
const char *locale;
{
int i, j, len, saverr;
char *env, *r;
const char *env, *r;
if (category < LC_ALL || category >= _LC_LAST) {
errno = EINVAL;
@ -127,34 +128,22 @@ setlocale(category, locale)
* Now go fill up new_categories from the locale argument
*/
if (!*locale) {
env = getenv("LC_ALL");
if (category != LC_ALL && (env == NULL || !*env))
env = getenv(categories[category]);
if (env == NULL || !*env)
env = getenv("LANG");
if (env == NULL || !*env)
env = "C";
if (strlen(env) > ENCODING_LEN) {
errno = EINVAL;
return (NULL);
}
(void)strcpy(new_categories[category], env);
if (category == LC_ALL) {
for (i = 1; i < _LC_LAST; ++i) {
if ((env = getenv(categories[i])) == NULL ||
!*env)
env = new_categories[LC_ALL];
else if (strlen(env) > ENCODING_LEN) {
env = __get_locale_env(i);
if (strlen(env) > ENCODING_LEN) {
errno = EINVAL;
return (NULL);
}
(void)strcpy(new_categories[i], env);
}
} else {
env = __get_locale_env(category);
if (strlen(env) > ENCODING_LEN) {
errno = EINVAL;
return (NULL);
}
(void)strcpy(new_categories[category], env);
}
} else if (category != LC_ALL) {
if (strlen(locale) > ENCODING_LEN) {
@ -299,6 +288,30 @@ loadlocale(category)
return (NULL);
}
static const char *
__get_locale_env(category)
int category;
{
const char *env;
/* 1. check LC_ALL. */
env = getenv(categories[0]);
/* 2. check LC_* */
if (env == NULL || !*env)
env = getenv(categories[category]);
/* 3. check LANG */
if (env == NULL || !*env)
env = getenv("LANG");
/* 4. if none is set, fall to "C" */
if (env == NULL || !*env)
env = "C";
return (env);
}
/*
* Detect locale storage location and store its value to _PathLocale variable
*/