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-rw-r--r--lib/libc/locale/collate.h107
1 files changed, 82 insertions, 25 deletions
diff --git a/lib/libc/locale/collate.h b/lib/libc/locale/collate.h
index ad034d4..9812589 100644
--- a/lib/libc/locale/collate.h
+++ b/lib/libc/locale/collate.h
@@ -1,4 +1,5 @@
/*-
+ * Copyright 2010 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 1995 Alex Tatmanjants <alex@elvisti.kiev.ua>
* at Electronni Visti IA, Kiev, Ukraine.
* All rights reserved.
@@ -40,42 +41,98 @@
#include <limits.h>
#include "xlocale_private.h"
-#define STR_LEN 10
-#define TABLE_SIZE 100
-#define COLLATE_VERSION "1.0\n"
-#define COLLATE_VERSION1_2 "1.2\n"
+/*
+ * Work around buildworld bootstrapping from older systems whose limits.h
+ * sets COLL_WEIGHTS_MAX to 0.
+ */
+#if COLL_WEIGHTS_MAX == 0
+#undef COLL_WEIGHTS_MAX
+#define COLL_WEIGHTS_MAX 10
+#endif
-struct __collate_st_char_pri {
- int prim, sec;
-};
-struct __collate_st_chain_pri {
- u_char str[STR_LEN];
- int prim, sec;
-};
+#define COLLATE_STR_LEN 24 /* should be 64-bit multiple */
+#define COLLATE_VERSION "BSD 1.0\n"
+
+#define COLLATE_MAX_PRIORITY (0x7fffffff) /* max signed value */
+#define COLLATE_SUBST_PRIORITY (0x40000000) /* bit indicates subst table */
-#define __collate_substitute_table (*__collate_substitute_table_ptr)
-#define __collate_char_pri_table (*__collate_char_pri_table_ptr)
+#define DIRECTIVE_UNDEF 0x00
+#define DIRECTIVE_FORWARD 0x01
+#define DIRECTIVE_BACKWARD 0x02
+#define DIRECTIVE_POSITION 0x04
+#define DIRECTIVE_UNDEFINED 0x08 /* special last weight for UNDEFINED */
+
+#define DIRECTIVE_DIRECTION_MASK (DIRECTIVE_FORWARD | DIRECTIVE_BACKWARD)
+
+/*
+ * The collate file format is as follows:
+ *
+ * char version[COLLATE_STR_LEN]; // must be COLLATE_VERSION
+ * collate_info_t info; // see below, includes padding
+ * collate_char_pri_t char_data[256]; // 8 bit char values
+ * collate_subst_t subst[*]; // 0 or more substitutions
+ * collate_chain_pri_t chains[*]; // 0 or more chains
+ * collate_large_pri_t large[*]; // extended char priorities
+ *
+ * Note that all structures must be 32-bit aligned, as each structure
+ * contains 32-bit member fields. The entire file is mmap'd, so its
+ * critical that alignment be observed. It is not generally safe to
+ * use any 64-bit values in the structures.
+ */
+
+typedef struct collate_info {
+ uint8_t directive_count;
+ uint8_t directive[COLL_WEIGHTS_MAX];
+ int32_t pri_count[COLL_WEIGHTS_MAX];
+ int32_t flags;
+ int32_t chain_count;
+ int32_t large_count;
+ int32_t subst_count[COLL_WEIGHTS_MAX];
+ int32_t undef_pri[COLL_WEIGHTS_MAX];
+} collate_info_t;
+
+typedef struct collate_char {
+ int32_t pri[COLL_WEIGHTS_MAX];
+} collate_char_t;
+
+typedef struct collate_chain {
+ wchar_t str[COLLATE_STR_LEN];
+ int32_t pri[COLL_WEIGHTS_MAX];
+} collate_chain_t;
+
+typedef struct collate_large {
+ int32_t val;
+ collate_char_t pri;
+} collate_large_t;
+
+typedef struct collate_subst {
+ int32_t key;
+ int32_t pri[COLLATE_STR_LEN];
+} collate_subst_t;
struct xlocale_collate {
struct xlocale_component header;
int __collate_load_error;
- int __collate_substitute_nontrivial;
+ char * map;
+ size_t maplen;
- u_char (*__collate_substitute_table_ptr)[UCHAR_MAX + 1][STR_LEN];
- struct __collate_st_char_pri (*__collate_char_pri_table_ptr)[UCHAR_MAX + 1];
- struct __collate_st_chain_pri *__collate_chain_pri_table;
+ collate_info_t *info;
+ collate_char_t *char_pri_table;
+ collate_large_t *large_pri_table;
+ collate_chain_t *chain_pri_table;
+ collate_subst_t *subst_table[COLL_WEIGHTS_MAX];
};
-
__BEGIN_DECLS
-u_char *__collate_strdup(u_char *);
-u_char *__collate_substitute(struct xlocale_collate *, const u_char *);
int __collate_load_tables(const char *);
-void __collate_lookup(struct xlocale_collate *, const u_char *, int *, int *, int *);
-int __collate_range_cmp(struct xlocale_collate *, int, int);
-#ifdef COLLATE_DEBUG
-void __collate_print_tables(void);
-#endif
+int __collate_equiv_value(locale_t, const wchar_t *, size_t);
+void _collate_lookup(struct xlocale_collate *,const wchar_t *, int *, int *,
+ int, const int **);
+int __collate_range_cmp(struct xlocale_collate *, wchar_t, wchar_t);
+size_t _collate_wxfrm(struct xlocale_collate *, const wchar_t *, wchar_t *,
+ size_t);
+size_t _collate_sxfrm(struct xlocale_collate *, const wchar_t *, char *,
+ size_t);
__END_DECLS
#endif /* !_COLLATE_H_ */
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