Commit a856f155 authored by bar@mysql.com's avatar bar@mysql.com

Merge abarkov@bk-internal.mysql.com:/home/bk/mysql-4.1

into  mysql.com:/usr/home/bar/mysql-4.1.b5439
parents 25388380 281c8ec1
......@@ -788,6 +788,11 @@ extern my_bool init_compiled_charsets(myf flags);
extern void add_compiled_collation(CHARSET_INFO *cs);
extern ulong escape_string_for_mysql(CHARSET_INFO *charset_info, char *to,
const char *from, ulong length);
#ifdef __WIN__
#define BACKSLASH_MBTAIL
/* File system character set */
extern CHARSET_INFO *fs_character_set(void);
#endif
#ifdef __WIN__
extern my_bool have_tcpip; /* Is set if tcpip is used */
......
......@@ -637,3 +637,29 @@ ulong escape_string_for_mysql(CHARSET_INFO *charset_info, char *to,
*to= 0;
return (ulong) (to - to_start);
}
#ifdef BACKSLASH_MBTAIL
static CHARSET_INFO *fs_cset_cache= NULL;
CHARSET_INFO *fs_character_set()
{
if (!fs_cset_cache)
{
char buf[10]= "cp";
GetLocaleInfo(LOCALE_SYSTEM_DEFAULT, LOCALE_IDEFAULTANSICODEPAGE,
buf+2, sizeof(buf)-3);
/*
We cannot call get_charset_by_name here
because fs_character_set() is executed before
LOCK_THD_charset mutex initialization, which
is used inside get_charset_by_name.
As we're now interested in cp932 only,
let's just detect it using strcmp().
*/
fs_cset_cache= !strcmp(buf, "cp932") ?
&my_charset_cp932_japanese_ci : &my_charset_bin;
}
return fs_cset_cache;
}
#endif
......@@ -22,6 +22,9 @@
uint dirname_length(const char *name)
{
register my_string pos,gpos;
#ifdef BASKSLASH_MBTAIL
CHARSET_INFO *fs= fs_character_set();
#endif
#ifdef FN_DEVCHAR
if ((pos=(char*)strrchr(name,FN_DEVCHAR)) == 0)
#endif
......@@ -29,12 +32,22 @@ uint dirname_length(const char *name)
gpos= pos++;
for ( ; *pos ; pos++) /* Find last FN_LIBCHAR */
{
#ifdef BASKSLASH_MBTAIL
uint l;
if (use_mb(fs) && (l= my_ismbchar(fs, pos, pos + 3)))
{
pos+= l - 1;
continue;
}
#endif
if (*pos == FN_LIBCHAR || *pos == '/'
#ifdef FN_C_AFTER_DIR
|| *pos == FN_C_AFTER_DIR || *pos == FN_C_AFTER_DIR_2
#endif
)
gpos=pos;
}
return ((uint) (uint) (gpos+1-(char*) name));
}
......@@ -85,6 +98,9 @@ uint dirname_part(my_string to, const char *name)
char *convert_dirname(char *to, const char *from, const char *from_end)
{
char *to_org=to;
#ifdef BACKSLASH_MBTAIL
CHARSET_INFO *fs= fs_character_set();
#endif
/* We use -2 here, becasue we need place for the last FN_LIBCHAR */
if (!from_end || (from_end - from) > FN_REFLEN-2)
......@@ -103,8 +119,23 @@ char *convert_dirname(char *to, const char *from, const char *from_end)
*to++= FN_C_AFTER_DIR;
#endif
else
{
#ifdef BACKSLASH_MBTAIL
uint l;
if (use_mb(fs) && (l= my_ismbchar(fs, from, from + 3)))
{
memmove(to, from, l);
to+= l;
from+= l - 1;
to_org= to; /* Don't look inside mbchar */
}
else
#endif
{
*to++= *from;
}
}
}
*to=0;
}
#else
......
......@@ -124,6 +124,9 @@ uint cleanup_dirname(register my_string to, const char *from)
reg4 my_string start;
char parent[5], /* for "FN_PARENTDIR" */
buff[FN_REFLEN+1],*end_parentdir;
#ifdef BACKSLASH_MBTAIL
CHARSET_INFO *fs= fs_character_set();
#endif
DBUG_ENTER("cleanup_dirname");
DBUG_PRINT("enter",("from: '%s'",from));
......@@ -141,6 +144,15 @@ uint cleanup_dirname(register my_string to, const char *from)
length=(uint) (strmov(parent+1,FN_PARENTDIR)-parent);
for (pos=start ; (*pos= *from_ptr++) != 0 ; pos++)
{
#ifdef BACKSLASH_MBTAIL
uint l;
if (use_mb(fs) && (l= my_ismbchar(fs, from_ptr - 1, from_ptr + 2)))
{
for (l-- ; l ; *++pos= *from_ptr++, l--);
start= pos + 1; /* Don't look inside multi-byte char */
continue;
}
#endif
if (*pos == '/')
*pos = FN_LIBCHAR;
if (*pos == FN_LIBCHAR)
......
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