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main: verify locale is UTF-8

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This commit is contained in:
Daniel Eklöf 2019-12-19 07:25:05 +01:00
parent a366bc9ace
commit 4c924ab14a
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GPG key ID: 5BBD4992C116573F
1 changed files with 23 additions and 2 deletions
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25
main.c
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@ -47,6 +47,21 @@ print_usage(const char *prog_name)
" -v,--version show the version number and quit\n");
}
bool
locale_is_utf8(void)
{
assert(strlen(u8"ö") == 2);
wchar_t w;
if (mbtowc(&w, u8"ö", 2) != 2)
return false;
if (w != U'ö')
return false;
return true;
}
struct shutdown_context {
struct terminal **term;
int exit_code;
@ -167,12 +182,16 @@ main(int argc, char *const *argv)
argc -= optind;
argv += optind;
setlocale(LC_ALL, "");
struct config conf = {NULL};
if (!config_load(&conf, conf_path))
return ret;
setlocale(LC_ALL, "");
if (!locale_is_utf8()) {
LOG_ERR("locale is not UTF-8");
return ret;
}
if (conf_term != NULL) {
free(conf.term);
conf.term = strdup(conf_term);
@ -242,6 +261,8 @@ out:
fdm_destroy(fdm);
config_free(conf);
LOG_INFO("goodbye");
log_deinit();
return ret == EXIT_SUCCESS && !as_server ? shutdown_ctx.exit_code : ret;
}