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/* It is reduced version for use in crt0.c (only 8 bit locales) */
#include <limits.h>
#include <locale.h>
#include <rune.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "common_setlocale.h"
#include "common_rune.h"
char *_PathLocale;
extern int _none_init __P((_RuneLocale *));
static char *loadlocale __P((int));
static int startup_setrunelocale __P((char *));
void
_startup_setlocale(category, locale)
int category;
const char *locale;
{
int found, i, len;
char *env, *r;
if (!PathLocale && !(PathLocale = getenv("PATH_LOCALE")))
PathLocale = _PATH_LOCALE;
if (category < 0 || category >= _LC_LAST)
return;
if (!locale) {
if (!category)
(void) currentlocale();
return;
}
/*
* Default to the current locale for everything.
*/
for (i = 1; i < _LC_LAST; ++i)
(void)strcpy(new_categories[i], current_categories[i]);
/*
* Now go fill up new_categories from the locale argument
*/
if (!*locale) {
env = getenv(categories[category]);
if (!env)
env = getenv(categories[0]);
if (!env)
env = getenv("LANG");
if (!env)
env = "C";
(void) strncpy(new_categories[category], env, 31);
new_categories[category][31] = 0;
if (!category) {
for (i = 1; i < _LC_LAST; ++i) {
if (!(env = getenv(categories[i])))
env = new_categories[0];
(void)strncpy(new_categories[i], env, 31);
new_categories[i][31] = 0;
}
}
} else if (category) {
(void)strncpy(new_categories[category], locale, 31);
new_categories[category][31] = 0;
} else {
if ((r = strchr(locale, '/')) == 0) {
for (i = 1; i < _LC_LAST; ++i) {
(void)strncpy(new_categories[i], locale, 31);
new_categories[i][31] = 0;
}
} else {
for (i = 1; r[1] == '/'; ++r);
if (!r[1])
return; /* Hmm, just slashes... */
do {
len = r - locale > 31 ? 31 : r - locale;
(void)strncpy(new_categories[i++], locale, len);
new_categories[i++][len] = 0;
locale = r;
while (*locale == '/')
++locale;
while (*++r && *r != '/');
} while (*locale);
while (i < _LC_LAST)
(void)strcpy(new_categories[i],
new_categories[i-1]);
}
}
if (category) {
(void) loadlocale(category);
return;
}
found = 0;
for (i = 1; i < _LC_LAST; ++i)
if (loadlocale(i) != NULL)
found = 1;
if (found)
(void) currentlocale();
}
static char *
loadlocale(category)
int category;
{
if (strcmp(new_categories[category],
current_categories[category]) == 0)
return (current_categories[category]);
if (category == LC_CTYPE) {
if (startup_setrunelocale(new_categories[LC_CTYPE]))
return (NULL);
(void)strcpy(current_categories[LC_CTYPE],
new_categories[LC_CTYPE]);
return (current_categories[LC_CTYPE]);
}
if (category == LC_COLLATE) {
if (__collate_load_tables(new_categories[LC_COLLATE]) < 0)
return (NULL);
(void)strcpy(current_categories[LC_COLLATE],
new_categories[LC_COLLATE]);
return (current_categories[LC_COLLATE]);
}
if (category == LC_TIME) {
if (__time_load_locale(new_categories[LC_TIME]) < 0)
return (NULL);
(void)strcpy(current_categories[LC_TIME],
new_categories[LC_TIME]);
return (current_categories[LC_TIME]);
}
if (!strcmp(new_categories[category], "C") ||
!strcmp(new_categories[category], "POSIX")) {
/*
* Some day this will need to reset the locale to the default
* C locale. Since we have no way to change them as of yet,
* there is no need to reset them.
*/
(void)strcpy(current_categories[category],
new_categories[category]);
return (current_categories[category]);
}
return NULL;
}
static int
startup_setrunelocale(encoding)
char *encoding;
{
FILE *fp;
char name[PATH_MAX];
_RuneLocale *rl;
if (!encoding)
return(EFAULT);
/*
* The "C" and "POSIX" locale are always here.
*/
if (!strcmp(encoding, "C") || !strcmp(encoding, "POSIX")) {
_CurrentRuneLocale = &_DefaultRuneLocale;
return(0);
}
(void) strcpy(name, PathLocale);
(void) strcat(name, "/");
(void) strcat(name, encoding);
(void) strcat(name, "/LC_CTYPE");
if ((fp = fopen(name, "r")) == NULL)
return(ENOENT);
if ((rl = _Read_RuneMagi(fp)) == 0) {
fclose(fp);
return(EFTYPE);
}
fclose(fp);
if (!rl->encoding[0])
return(EINVAL);
else if (!strcmp(rl->encoding, "NONE"))
return(_none_init(rl));
else
return(EINVAL);
}
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