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| author | Steve French <smfrench@austin.rr.com> | 2005-04-28 22:41:05 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-28 22:41:05 -0700 |
| commit | 6a0b48245a135cd132e747815854e3999967f8a7 (patch) | |
| tree | 55fffb67b924fbca2a5a16e83100a5d1000daaf4 /fs/cifs/readdir.c | |
| parent | cbe0476fa6a76b01b79e7c117963d45ed0a28758 (diff) | |
| download | lwn-6a0b48245a135cd132e747815854e3999967f8a7.tar.gz lwn-6a0b48245a135cd132e747815854e3999967f8a7.zip | |
[PATCH] cifs: Add new mount parm mapchars
For handling seven special characters that shells use for filenames.
This first parts implements conversions from Unicode.
Signed-off-by: Steve French
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/cifs/readdir.c')
| -rw-r--r-- | fs/cifs/readdir.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index 07838a5ba3a1..4a33add24d53 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -600,7 +600,14 @@ static int cifs_get_name_from_search_buf(struct qstr *pqst, if(unicode) { /* BB fixme - test with long names */ /* Note converted filename can be longer than in unicode */ - pqst->len = cifs_strfromUCS_le((char *)pqst->name,(wchar_t *)filename,len/2,nlt); +#ifdef CONFIG_CIFS_EXPERIMENTAL + if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR) + pqst->len = cifs_convertUCSpath((char *)pqst->name, + (__le16 *)filename, len/2, nlt); + else +#endif /* CIFS_EXPERIMENTAL */ + pqst->len = cifs_strfromUCS_le((char *)pqst->name, + (wchar_t *)filename,len/2,nlt); } else { pqst->name = filename; pqst->len = len; @@ -829,7 +836,11 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir) end_of_smb = cifsFile->srch_inf.ntwrk_buf_start + smbCalcSize((struct smb_hdr *) cifsFile->srch_inf.ntwrk_buf_start); - tmp_buf = kmalloc(NAME_MAX+1,GFP_KERNEL); + /* To be safe - for UCS to UTF-8 with strings loaded + with the rare long characters alloc more to account for + such multibyte target UTF-8 characters. cifs_unicode.c, + which actually does the conversion, has the same limit */ + tmp_buf = kmalloc((2 * NAME_MAX) + 4, GFP_KERNEL); for(i=0;(i<num_to_fill) && (rc == 0);i++) { if(current_entry == NULL) { /* evaluate whether this case is an error */ |