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Diffstat (limited to 'locale/localeinfo.h')
-rw-r--r--locale/localeinfo.h29
1 files changed, 20 insertions, 9 deletions
diff --git a/locale/localeinfo.h b/locale/localeinfo.h
index 018220f6df..c029f63480 100644
--- a/locale/localeinfo.h
+++ b/locale/localeinfo.h
@@ -22,6 +22,7 @@
#include <stddef.h>
#include <langinfo.h>
+#include <limits.h>
#include <time.h>
#include <sys/types.h>
@@ -35,12 +36,19 @@
#define ELLIPSIS_CHAR ((wchar_t) 0xfffffffe)
#define IGNORE_CHAR ((wchar_t) 0xffffffff)
+/* We use a special value for the usage counter in `locale_data' to
+ signal that this data must never be removed anymore. */
+#define MAX_USAGE_COUNT UINT_MAX
+
/* Structure describing locale data in core for a category. */
struct locale_data
{
const char *name;
const char *filedata; /* Region mapping the file data. */
off_t filesize; /* Size of the file (and the region). */
+ int mmaped; /* If nonzero the data is mmaped. */
+
+ unsigned int usage_count; /* Counter for users. */
unsigned int nstrings; /* Number of strings below. */
union locale_data_value
@@ -90,13 +98,13 @@ struct era_entry
/* For each category declare the variable for the current locale data. */
#define DEFINE_CATEGORY(category, category_name, items, a, b, c, d) \
-extern const struct locale_data *_nl_current_##category;
+extern struct locale_data *_nl_current_##category;
#include "categories.def"
#undef DEFINE_CATEGORY
extern const char *const _nl_category_names[LC_ALL + 1];
extern const size_t _nl_category_name_sizes[LC_ALL + 1];
-extern const struct locale_data * *const _nl_current[LC_ALL];
+extern struct locale_data * *const _nl_current[LC_ALL];
/* Name of the standard locale. */
extern const char _nl_C_name[];
@@ -111,26 +119,29 @@ extern const char _nl_C_name[];
/* This is used in lc-CATEGORY.c to define _nl_current_CATEGORY. */
#define _NL_CURRENT_DEFINE(category) \
- extern const struct locale_data _nl_C_##category; \
- const struct locale_data *_nl_current_##category = &_nl_C_##category
+ extern struct locale_data _nl_C_##category; \
+ struct locale_data *_nl_current_##category = &_nl_C_##category
/* Load the locale data for CATEGORY from the file specified by *NAME.
If *NAME is "", use environment variables as specified by POSIX,
and fill in *NAME with the actual name used. The directories
listed in LOCALE_PATH are searched for the locale files. */
-extern const struct locale_data *_nl_find_locale (const char *locale_path,
- size_t locale_path_len,
- int category, char **name);
+extern struct locale_data *_nl_find_locale (const char *locale_path,
+ size_t locale_path_len,
+ int category, const char **name);
/* Try to load the file described by FILE. */
extern void _nl_load_locale (struct loaded_l10nfile *file, int category);
+/* Free the locale and give back all memory if the usage count is one. */
+extern void _nl_remove_locale (int locale, struct locale_data *data);
+
/* Return `era' entry which corresponds to TP. Used in strftime. */
-struct era_entry *_nl_get_era_entry (const struct tm *tp);
+extern struct era_entry *_nl_get_era_entry (const struct tm *tp);
/* Return `alt_digit' which corresponds to NUMBER. Used in strftime. */
-const char *_nl_get_alt_digit (unsigned int number);
+extern const char *_nl_get_alt_digit (unsigned int number);
/* Global variables for LC_COLLATE category data. */