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locale-util: normalize UTF-8 locale names

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Let's generate out lists in the format people expect.
This commit is contained in:
Lennart Poettering 2019-07-12 13:37:13 +02:00
parent b425c3ae02
commit 13f4580626
1 changed files with 36 additions and 2 deletions
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38
src/basic/locale-util.c
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@ -27,6 +27,40 @@
#include "strv.h"
#include "utf8.h"
static char *normalize_locale(const char *name) {
const char *e;
/* Locale names are weird: glibc has some magic rules when looking for the charset name on disk: it
* lowercases everything, and removes most special chars. This means the official .UTF-8 suffix
* becomes .utf8 when looking things up on disk. When enumerating locales, let's do the reverse
* operation, and go back to ".UTF-8" which appears to be the more commonly accepted name. We only do
* that for UTF-8 however, since it's kinda the only charset that matters. */
e = endswith(name, ".utf8");
if (e) {
_cleanup_free_ char *prefix = NULL;
prefix = strndup(name, e - name);
if (!prefix)
return NULL;
return strjoin(prefix, ".UTF-8");
}
e = strstr(name, ".utf8@");
if (e) {
_cleanup_free_ char *prefix = NULL;
prefix = strndup(name, e - name);
if (!prefix)
return NULL;
return strjoin(prefix, ".UTF-8@", e + 6);
}
return strdup(name);
}
static int add_locales_from_archive(Set *locales) {
/* Stolen from glibc... */
@ -107,7 +141,7 @@ static int add_locales_from_archive(Set *locales) {
if (!utf8_is_valid((char*) p + e[i].name_offset))
continue;
z = strdup((char*) p + e[i].name_offset);
z = normalize_locale((char*) p + e[i].name_offset);
if (!z) {
r = -ENOMEM;
goto finish;
@ -144,7 +178,7 @@ static int add_locales_from_libdir (Set *locales) {
if (entry->d_type != DT_DIR)
continue;
z = strdup(entry->d_name);
z = normalize_locale(entry->d_name);
if (!z)
return -ENOMEM;