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locale-setup: split locale_context_load() into small pieces
No functional change, just refactoring and preparation for later commits.
This commit is contained in:
Yu Watanabe
parent
7294912f18
commit
018befcff6
@ -19,94 +19,131 @@ void locale_context_clear(LocaleContext *c) {
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c->locale[i] = mfree(c->locale[i]);
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}
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static int locale_context_load_proc(LocaleContext *c, LocaleLoadFlag flag) {
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int r;
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assert(c);
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if (!FLAGS_SET(flag, LOCALE_LOAD_PROC_CMDLINE))
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return 0;
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locale_context_clear(c);
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r = proc_cmdline_get_key_many(PROC_CMDLINE_STRIP_RD_PREFIX,
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"locale.LANG", &c->locale[VARIABLE_LANG],
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"locale.LANGUAGE", &c->locale[VARIABLE_LANGUAGE],
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"locale.LC_CTYPE", &c->locale[VARIABLE_LC_CTYPE],
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"locale.LC_NUMERIC", &c->locale[VARIABLE_LC_NUMERIC],
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"locale.LC_TIME", &c->locale[VARIABLE_LC_TIME],
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"locale.LC_COLLATE", &c->locale[VARIABLE_LC_COLLATE],
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"locale.LC_MONETARY", &c->locale[VARIABLE_LC_MONETARY],
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"locale.LC_MESSAGES", &c->locale[VARIABLE_LC_MESSAGES],
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"locale.LC_PAPER", &c->locale[VARIABLE_LC_PAPER],
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"locale.LC_NAME", &c->locale[VARIABLE_LC_NAME],
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"locale.LC_ADDRESS", &c->locale[VARIABLE_LC_ADDRESS],
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"locale.LC_TELEPHONE", &c->locale[VARIABLE_LC_TELEPHONE],
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"locale.LC_MEASUREMENT", &c->locale[VARIABLE_LC_MEASUREMENT],
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"locale.LC_IDENTIFICATION", &c->locale[VARIABLE_LC_IDENTIFICATION]);
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if (r == -ENOENT)
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return 0;
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if (r < 0)
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return log_debug_errno(r, "Failed to read /proc/cmdline: %m");
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return r;
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}
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static int locale_context_load_conf(LocaleContext *c, LocaleLoadFlag flag) {
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struct stat st;
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usec_t t;
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int r;
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assert(c);
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if (!FLAGS_SET(flag, LOCALE_LOAD_LOCALE_CONF))
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return 0;
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r = stat("/etc/locale.conf", &st);
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if (r < 0) {
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if (errno == ENOENT)
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return 0;
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return log_debug_errno(errno, "Failed to stat /etc/locale.conf: %m");
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}
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/* If mtime is not changed, then we do not need to re-read the file. */
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t = timespec_load(&st.st_mtim);
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if (c->mtime != USEC_INFINITY && t == c->mtime)
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return 0;
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locale_context_clear(c);
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c->mtime = t;
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r = parse_env_file(NULL, "/etc/locale.conf",
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"LANG", &c->locale[VARIABLE_LANG],
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"LANGUAGE", &c->locale[VARIABLE_LANGUAGE],
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"LC_CTYPE", &c->locale[VARIABLE_LC_CTYPE],
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"LC_NUMERIC", &c->locale[VARIABLE_LC_NUMERIC],
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"LC_TIME", &c->locale[VARIABLE_LC_TIME],
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"LC_COLLATE", &c->locale[VARIABLE_LC_COLLATE],
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"LC_MONETARY", &c->locale[VARIABLE_LC_MONETARY],
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"LC_MESSAGES", &c->locale[VARIABLE_LC_MESSAGES],
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"LC_PAPER", &c->locale[VARIABLE_LC_PAPER],
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"LC_NAME", &c->locale[VARIABLE_LC_NAME],
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"LC_ADDRESS", &c->locale[VARIABLE_LC_ADDRESS],
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"LC_TELEPHONE", &c->locale[VARIABLE_LC_TELEPHONE],
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"LC_MEASUREMENT", &c->locale[VARIABLE_LC_MEASUREMENT],
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"LC_IDENTIFICATION", &c->locale[VARIABLE_LC_IDENTIFICATION]);
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if (r < 0)
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return log_debug_errno(r, "Failed to read /etc/locale.conf: %m");
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return 1; /* loaded */
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}
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static int locale_context_load_env(LocaleContext *c, LocaleLoadFlag flag) {
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int r;
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assert(c);
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if (!FLAGS_SET(flag, LOCALE_LOAD_ENVIRONMENT))
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return 0;
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locale_context_clear(c);
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/* Fill in what we got passed from systemd. */
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for (LocaleVariable p = 0; p < _VARIABLE_LC_MAX; p++) {
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const char *name = ASSERT_PTR(locale_variable_to_string(p));
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r = free_and_strdup(&c->locale[p], empty_to_null(getenv(name)));
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if (r < 0)
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return log_oom_debug();
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}
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return 1; /* loaded */
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}
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int locale_context_load(LocaleContext *c, LocaleLoadFlag flag) {
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int r;
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assert(c);
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if (FLAGS_SET(flag, LOCALE_LOAD_PROC_CMDLINE)) {
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locale_context_clear(c);
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r = proc_cmdline_get_key_many(PROC_CMDLINE_STRIP_RD_PREFIX,
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"locale.LANG", &c->locale[VARIABLE_LANG],
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"locale.LANGUAGE", &c->locale[VARIABLE_LANGUAGE],
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"locale.LC_CTYPE", &c->locale[VARIABLE_LC_CTYPE],
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"locale.LC_NUMERIC", &c->locale[VARIABLE_LC_NUMERIC],
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"locale.LC_TIME", &c->locale[VARIABLE_LC_TIME],
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"locale.LC_COLLATE", &c->locale[VARIABLE_LC_COLLATE],
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"locale.LC_MONETARY", &c->locale[VARIABLE_LC_MONETARY],
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"locale.LC_MESSAGES", &c->locale[VARIABLE_LC_MESSAGES],
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"locale.LC_PAPER", &c->locale[VARIABLE_LC_PAPER],
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"locale.LC_NAME", &c->locale[VARIABLE_LC_NAME],
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"locale.LC_ADDRESS", &c->locale[VARIABLE_LC_ADDRESS],
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"locale.LC_TELEPHONE", &c->locale[VARIABLE_LC_TELEPHONE],
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"locale.LC_MEASUREMENT", &c->locale[VARIABLE_LC_MEASUREMENT],
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"locale.LC_IDENTIFICATION", &c->locale[VARIABLE_LC_IDENTIFICATION]);
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if (r < 0 && r != -ENOENT)
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log_debug_errno(r, "Failed to read /proc/cmdline, ignoring: %m");
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if (r > 0)
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goto finalize;
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}
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if (FLAGS_SET(flag, LOCALE_LOAD_LOCALE_CONF)) {
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struct stat st;
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usec_t t;
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r = stat("/etc/locale.conf", &st);
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if (r < 0 && errno != ENOENT)
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return log_debug_errno(errno, "Failed to stat /etc/locale.conf: %m");
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if (r >= 0) {
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/* If mtime is not changed, then we do not need to re-read the file. */
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t = timespec_load(&st.st_mtim);
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if (c->mtime != USEC_INFINITY && t == c->mtime)
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return 0;
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locale_context_clear(c);
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c->mtime = t;
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r = parse_env_file(NULL, "/etc/locale.conf",
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"LANG", &c->locale[VARIABLE_LANG],
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"LANGUAGE", &c->locale[VARIABLE_LANGUAGE],
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"LC_CTYPE", &c->locale[VARIABLE_LC_CTYPE],
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"LC_NUMERIC", &c->locale[VARIABLE_LC_NUMERIC],
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"LC_TIME", &c->locale[VARIABLE_LC_TIME],
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"LC_COLLATE", &c->locale[VARIABLE_LC_COLLATE],
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"LC_MONETARY", &c->locale[VARIABLE_LC_MONETARY],
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"LC_MESSAGES", &c->locale[VARIABLE_LC_MESSAGES],
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"LC_PAPER", &c->locale[VARIABLE_LC_PAPER],
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"LC_NAME", &c->locale[VARIABLE_LC_NAME],
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"LC_ADDRESS", &c->locale[VARIABLE_LC_ADDRESS],
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"LC_TELEPHONE", &c->locale[VARIABLE_LC_TELEPHONE],
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"LC_MEASUREMENT", &c->locale[VARIABLE_LC_MEASUREMENT],
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"LC_IDENTIFICATION", &c->locale[VARIABLE_LC_IDENTIFICATION]);
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if (r < 0)
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return log_debug_errno(r, "Failed to read /etc/locale.conf: %m");
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goto finalize;
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}
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}
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if (FLAGS_SET(flag, LOCALE_LOAD_ENVIRONMENT)) {
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locale_context_clear(c);
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/* Fill in what we got passed from systemd. */
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for (LocaleVariable p = 0; p < _VARIABLE_LC_MAX; p++) {
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const char *name = ASSERT_PTR(locale_variable_to_string(p));
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r = free_and_strdup(&c->locale[p], empty_to_null(getenv(name)));
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if (r < 0)
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return log_oom_debug();
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}
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r = locale_context_load_proc(c, flag);
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if (r > 0)
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goto finalize;
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}
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/* Nothing loaded. */
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locale_context_clear(c);
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return 0;
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r = locale_context_load_conf(c, flag);
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if (r != 0)
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goto finalize;
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r = locale_context_load_env(c, flag);
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finalize:
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if (r < 0)
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return r;
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if (r == 0) {
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/* Nothing loaded. */
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locale_context_clear(c);
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return 0;
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}
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if (FLAGS_SET(flag, LOCALE_LOAD_SIMPLIFY))
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locale_variables_simplify(c->locale);
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