sss_utf8_tolower utility function+unit tests

1 files changed, 57 insertions, 0 deletions

diff --git a/src/util/sss_tc_utf8.c b/src/util/sss_tc_utf8.c
new file mode 100644
index 000000000..6a976211f
--- /dev/null
+++ b/src/util/sss_tc_utf8.c
@@ -0,0 +1,57 @@
+/*
+    Authors:
+        Jakub Hrozek <jhrozek@redhat.com>
+
+    Copyright (C) 2011 Red Hat
+
+    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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <talloc.h>
+#include "util/sss_utf8.h"
+
+char *
+sss_tc_utf8_str_tolower(TALLOC_CTX *mem_ctx, const char *s)
+{
+    size_t nlen;
+    uint8_t *ret;
+
+    ret = sss_tc_utf8_tolower(mem_ctx, (const uint8_t *) s, strlen(s), &nlen);
+    if (!ret) return NULL;
+
+    ret = talloc_realloc(mem_ctx, ret, uint8_t, nlen+1);
+    if (!ret) return NULL;
+
+    ret[nlen] = '\0';
+    return (char *) ret;
+}
+
+uint8_t *
+sss_tc_utf8_tolower(TALLOC_CTX *mem_ctx, const uint8_t *s, size_t len, size_t *_nlen)
+{
+    uint8_t *lower;
+    uint8_t *ret;
+    size_t nlen;
+
+    lower = sss_utf8_tolower(s, len, &nlen);
+    if (!lower) return NULL;
+
+    ret = talloc_memdup(mem_ctx, lower, nlen);
+    sss_utf8_free(lower);
+    if (!ret) return NULL;
+
+    *_nlen = nlen;
+    return ret;
+}
+