get rid of doschar_table[]

[samba.git] / source3 / lib / util_unistr.c

diff --git a/source3/lib/util_unistr.c b/source3/lib/util_unistr.c
index 2949d7d795e8f76f975f1eb4074d41845dfa0743..84ee673a67315e19095fded7bcc80f44f9cca7e3 100644 (file)
--- a/source3/lib/util_unistr.c
+++ b/source3/lib/util_unistr.c
@@ -34,14 +34,6 @@ static bool upcase_table_use_unmap;
 static bool lowcase_table_use_unmap;
 static bool valid_table_use_unmap;
 
-/**
- * This table says which Unicode characters are valid dos
- * characters.
- *
- * Each value is just a single bit.
- **/
-static uint8 doschar_table[8192]; /* 65536 characters / 8 bits/byte */
-
 /**
  * Destroy global objects allocated by load_case_tables()
  **/
@@ -153,21 +145,6 @@ void load_case_tables(void)
        TALLOC_FREE(frame);
 }
 
-/*
-  see if a ucs2 character can be mapped correctly to a dos character
-  and mapped back to the same character in ucs2
-*/
-
-static int check_dos_char(smb_ucs2_t c)
-{
-       lazy_initialize_conv();
-
-       /* Find the right byte, and right bit within the byte; return
-        * 1 or 0 */
-       return (doschar_table[(c & 0xffff) / 8] & (1 << (c & 7))) != 0;
-}
-
-
 static int check_dos_char_slowly(smb_ucs2_t c)
 {
        char buf[10];
@@ -185,33 +162,6 @@ static int check_dos_char_slowly(smb_ucs2_t c)
        return (c == c2);
 }
 
-
-/**
- * Fill out doschar table the hard way, by examining each character
- **/
-
-static void init_doschar_table(void)
-{
-       int i, j, byteval;
-
-       /* For each byte of packed table */
-       
-       for (i = 0; i <= 0xffff; i += 8) {
-               byteval = 0;
-               for (j = 0; j <= 7; j++) {
-                       smb_ucs2_t c;
-
-                       c = i + j;
-                       
-                       if (check_dos_char_slowly(c)) {
-                               byteval |= 1 << j;
-                       }
-               }
-               doschar_table[i/8] = byteval;
-       }
-}
-
-
 /**
  * Load the valid character map table from <tt>valid.dat</tt> or
  * create from the configured codepage.
@@ -228,8 +178,6 @@ void init_valid_table(void)
        const char *allowed = ".!#$%&'()_-@^`~";
        uint8 *valid_file;
 
-       init_doschar_table();
-
        if (mapped_file) {
                /* Can't unmap files, so stick with what we have */
                return;
@@ -258,11 +206,13 @@ void init_valid_table(void)
        for (i=0;i<128;i++) {
                valid_table[i] = isalnum(i) || strchr(allowed,i);
        }
-       
+
+       lazy_initialize_conv();
+
        for (;i<0x10000;i++) {
                smb_ucs2_t c;
                SSVAL(&c, 0, i);
-               valid_table[i] = check_dos_char(c);
+               valid_table[i] = check_dos_char_slowly(c);
        }
 }