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locale: set LANG to the fallback value if we have invalid locale

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See #201 for more information.

Problem is that while we fall back to a default value to pass to
`setlocale`, we don't set a `LANG` and instead reset it to `""`.

What this does here is it changes the resetting to `""` and instead sets
it to the default value.
This commit is contained in:
Thorsten Ball
2023-07-19 06:44:35 +02:00
parent c9b0c42341
commit 4b48d42a07
1 changed files with 9 additions and 8 deletions
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17
src/os/locale.zig
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@ -35,16 +35,17 @@ pub fn ensureLocale() void {
// If the locale is valid, we also use "" because LANG is already set.
if (localeIsValid(new_lang)) break :locale "";
// If the locale is not valid, and our lang changed, then we reset
// to the old value.
if (!std.mem.eql(u8, lang, new_lang)) {
if (setenv("LANG", lang.ptr, 1) < 0) {
log.err("error resetting locale env var", .{});
}
// If the locale is not valid we fall back to en_US.UTF-8 and need to
// set LANG to this value too.
const default_locale = "en_US.UTF-8";
log.info("LANG is not valid according to libc, will use en_US.UTF-8", .{});
if (setenv("LANG", default_locale.ptr, 1) < 0) {
log.err("error setting LANG env var to {s}", .{default_locale});
}
log.info("LANG is not valid according to libc, will use en_US.UTF-8", .{});
break :locale "en_US.UTF-8";
// Use it as locale
break :locale default_locale;
};
// Set the locale