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https://github.com/samba-team/samba.git
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d8ce7c6a2a
allocator. The way to use this is to call ldb_set_alloc() with a function pointer to whatever memory allocator you like. It includes a context pointer to allow for pool based allocators. (This used to be commit 3955c482e6c2c9e975a4bb809ec8cb6068e48e34)
88 lines
2.0 KiB
C
88 lines
2.0 KiB
C
/*
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ldb database library
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Copyright (C) Andrew Tridgell 2004
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** NOTE! The following LGPL license applies to the ldb
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** library. This does NOT imply that all of Samba is released
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** under the LGPL
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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* Name: ldb
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*
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* Component: ldb utf8 handling
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*
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* Description: case folding and case comparison for UTF8 strings
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*
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* Author: Andrew Tridgell
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*/
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#include "includes.h"
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/*
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TODO:
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a simple case folding function - will be replaced by a UTF8 aware function later
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*/
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char *ldb_casefold(struct ldb_context *ldb, const char *s)
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{
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int i;
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char *ret = ldb_strdup(ldb, s);
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if (!s) {
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errno = ENOMEM;
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return NULL;
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}
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for (i=0;ret[i];i++) {
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ret[i] = toupper(ret[i]);
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}
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return ret;
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}
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/*
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a caseless compare, optimised for 7 bit
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TODO: doesn't yet handle UTF8
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*/
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static int ldb_caseless_cmp(const char *s1, const char *s2)
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{
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int i;
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for (i=0;s1[i] != 0;i++) {
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int c1 = toupper(s1[i]), c2 = toupper(s2[i]);
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if (c1 != c2) {
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return c1 - c2;
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}
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}
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return s2[i];
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}
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/*
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compare two basedn fields
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return 0 for match
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*/
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int ldb_dn_cmp(const char *dn1, const char *dn2)
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{
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return ldb_caseless_cmp(dn1, dn2);
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}
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/*
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compare two attributes
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return 0 for match
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*/
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int ldb_attr_cmp(const char *dn1, const char *dn2)
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{
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return ldb_caseless_cmp(dn1, dn2);
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}
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