diff options
Diffstat (limited to 'release/src/linux/linux/fs/cifs/cifs_unicode.c')
| -rw-r--r-- | release/src/linux/linux/fs/cifs/cifs_unicode.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/release/src/linux/linux/fs/cifs/cifs_unicode.c b/release/src/linux/linux/fs/cifs/cifs_unicode.c new file mode 100644 index 00000000..a17adf4c --- /dev/null +++ b/release/src/linux/linux/fs/cifs/cifs_unicode.c @@ -0,0 +1,87 @@ +/* + * fs/cifs/cifs_unicode.c + * + * Copyright (c) International Business Machines Corp., 2000,2002 + * Modified by Steve French (sfrench@us.ibm.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include <linux/fs.h> +#include "cifs_unicode.h" +#include "cifs_uniupr.h" +#include "cifspdu.h" +#include "cifs_debug.h" + +/* + * NAME: cifs_strfromUCS() + * + * FUNCTION: Convert little-endian unicode string to character string + * + */ +int +cifs_strfromUCS_le(char *to, const wchar_t * from, /* LITTLE ENDIAN */ + int len, const struct nls_table *codepage) +{ + int i; + int outlen = 0; + + for (i = 0; (i < len) && from[i]; i++) { + int charlen; + /* 2.4.0 kernel or greater */ + charlen = + codepage->uni2char(le16_to_cpu(from[i]), &to[outlen], + NLS_MAX_CHARSET_SIZE); + if (charlen > 0) { + outlen += charlen; + } else { + to[outlen++] = '?'; + } + } + to[outlen] = 0; + return outlen; +} + +/* + * NAME: cifs_strtoUCS() + * + * FUNCTION: Convert character string to unicode string + * + */ +int +cifs_strtoUCS(wchar_t * to, const char *from, int len, + const struct nls_table *codepage) +{ + int charlen; + int i; + + for (i = 0; len && *from; i++, from += charlen, len -= charlen) { + + /* works for 2.4.0 kernel or later */ + charlen = codepage->char2uni(from, len, &to[i]); + if (charlen < 1) { + cERROR(1, + ("cifs_strtoUCS: char2uni returned %d", + charlen)); + to[i] = cpu_to_le16(0x003f); /* a question mark */ + charlen = 1; + } + to[i] = cpu_to_le16(to[i]); + + } + + to[i] = 0; + return i; +} + |