diff options
Diffstat (limited to 'source4/lib/ldb/common/ldb_utf8.c')
-rw-r--r-- | source4/lib/ldb/common/ldb_utf8.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/source4/lib/ldb/common/ldb_utf8.c b/source4/lib/ldb/common/ldb_utf8.c new file mode 100644 index 0000000000..7767b0955e --- /dev/null +++ b/source4/lib/ldb/common/ldb_utf8.c @@ -0,0 +1,87 @@ +/* + ldb database library + + Copyright (C) Andrew Tridgell 2004 + + ** NOTE! The following LGPL license applies to the ldb + ** library. This does NOT imply that all of Samba is released + ** under the LGPL + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +/* + * Name: ldb + * + * Component: ldb utf8 handling + * + * Description: case folding and case comparison for UTF8 strings + * + * Author: Andrew Tridgell + */ + +#include "includes.h" + +/* + TODO: + a simple case folding function - will be replaced by a UTF8 aware function later +*/ +char *ldb_casefold(const char *s) +{ + int i; + char *ret = strdup(s); + if (!s) { + errno = ENOMEM; + return NULL; + } + for (i=0;ret[i];i++) { + ret[i] = toupper(ret[i]); + } + return ret; +} + +/* + a caseless compare, optimised for 7 bit + TODO: doesn't yet handle UTF8 +*/ +static int ldb_caseless_cmp(const char *s1, const char *s2) +{ + int i; + for (i=0;s1[i] != 0;i++) { + int c1 = toupper(s1[i]), c2 = toupper(s2[i]); + if (c1 != c2) { + return c1 - c2; + } + } + return s2[i]; +} + +/* + compare two basedn fields + return 0 for match +*/ +int ldb_dn_cmp(const char *dn1, const char *dn2) +{ + return ldb_caseless_cmp(dn1, dn2); +} + +/* + compare two attributes + return 0 for match +*/ +int ldb_attr_cmp(const char *dn1, const char *dn2) +{ + return ldb_caseless_cmp(dn1, dn2); +} |