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authorAlan Stern <stern@rowland.harvard.edu>2011-11-17 16:42:19 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2011-11-18 10:51:01 -0800
commit0720a06a7518c9d0c0125bd5d1f3b6264c55c3dd (patch)
tree6895ca20afb24b38f0246b370cba7dc6e72764cb /fs/fat/namei_vfat.c
parentb7463c71fbbff7111d0c879d2f64fe2b08f51848 (diff)
NLS: improve UTF8 -> UTF16 string conversion routine
The utf8s_to_utf16s conversion routine needs to be improved. Unlike its utf16s_to_utf8s sibling, it doesn't accept arguments specifying the maximum length of the output buffer or the endianness of its 16-bit output. This patch (as1501) adds the two missing arguments, and adjusts the only two places in the kernel where the function is called. A follow-on patch will add a third caller that does utilize the new capabilities. The two conversion routines are still annoyingly inconsistent in the way they handle invalid byte combinations. But that's a subject for a different patch. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> CC: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs/fat/namei_vfat.c')
-rw-r--r--fs/fat/namei_vfat.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c
index a87a65663c25..c25cf151b84b 100644
--- a/fs/fat/namei_vfat.c
+++ b/fs/fat/namei_vfat.c
@@ -512,7 +512,8 @@ xlate_to_uni(const unsigned char *name, int len, unsigned char *outname,
int charlen;
if (utf8) {
- *outlen = utf8s_to_utf16s(name, len, (wchar_t *)outname);
+ *outlen = utf8s_to_utf16s(name, len, UTF16_HOST_ENDIAN,
+ (wchar_t *) outname, FAT_LFN_LEN + 2);
if (*outlen < 0)
return *outlen;
else if (*outlen > FAT_LFN_LEN)