Add locale-enabled strcoll function from vodz, plus supporting tool.

1 files changed, 22 insertions, 0 deletions

diff --git a/libc/misc/locale/_locale.h b/libc/misc/locale/_locale.h
new file mode 100644
index 000000000..139a862f9
--- /dev/null
+++ b/libc/misc/locale/_locale.h
@@ -0,0 +1,22 @@
+extern const unsigned char *_uc_ctype_b;
+extern const unsigned char *_uc_ctype_trans;
+
+extern const unsigned char _uc_ctype_b_C[256+256];
+
+#define LOCALE_BUF_SIZE (sizeof(_uc_ctype_b_C))
+
+#define ISbit(bit)     (1 << bit)
+
+enum
+{
+  ISprint  = ISbit (0),        /* 1   Printable.         */
+  ISupper  = ISbit (1),        /* 2   UPPERCASE.         */
+  ISlower  = ISbit (2),        /* 4   lowercase.         */
+  IScntrl  = ISbit (3),        /* 8   Control character. */
+  ISspace  = ISbit (4),        /* 16  Whitespace.        */
+  ISpunct  = ISbit (5),        /* 32  Punctuation.       */
+  ISalpha  = ISbit (6),        /* 64  Alphabetic.        */
+  ISxdigit = ISbit (7),        /* 128 Hexnumeric.        */
+};
+
+extern const unsigned char *_uc_collate_b;