heimdal Extra files required for merge up to current heimdal

1 files changed, 146 insertions, 0 deletions

diff --git a/source4/heimdal/base/string.c b/source4/heimdal/base/string.c
new file mode 100644
index 0000000000..414a9161fa
--- /dev/null
+++ b/source4/heimdal/base/string.c
@@ -0,0 +1,146 @@
+/*
+ * Copyright (c) 2010 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Portions Copyright (c) 2010 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "baselocl.h"
+#include <string.h>
+
+static void
+string_dealloc(void *ptr)
+{
+}
+
+static int
+string_cmp(void *a, void *b)
+{
+    if (heim_base_is_tagged_string(a))
+	a = heim_base_tagged_string_ptr(a);
+    if (heim_base_is_tagged_string(b))
+	b = heim_base_tagged_string_ptr(b);
+
+    return strcmp(a, b);
+}
+
+static unsigned long
+string_hash(void *ptr)
+{
+    const char *s;
+    unsigned long n;
+
+    if (heim_base_is_tagged_string(ptr))
+	s = heim_base_tagged_string_ptr(ptr);
+    else
+	s = ptr;
+
+    for (n = 0; *s; ++s)
+	n += *s;
+    return n;
+}
+
+
+struct heim_type_data _heim_string_object = {
+    HEIM_TID_STRING,
+    "string-object",
+    NULL,
+    string_dealloc,
+    NULL,
+    string_cmp,
+    string_hash
+};
+
+/**
+ * Create a string object
+ *
+ * @param string the string to create, must be an utf8 string
+ *
+ * @return string object
+ */
+
+heim_string_t
+heim_string_create(const char *string)
+{
+    size_t len = strlen(string);
+    heim_string_t s;
+
+    s = _heim_alloc_object(&_heim_string_object, len + 1);
+    if (s)
+	memcpy(s, string, len + 1);
+    return s;
+}
+
+/**
+ * Create a string object from a strings allocated in the text segment.
+ *
+ * Note that static string object wont be auto released with
+ * heim_auto_release(), the allocation policy of the string must
+ * be manged separately from the returned object. This make this
+ * function not very useful for strings in allocated from heap or
+ * stack. In that case you should use heim_string_create().
+ *
+ * @param string the string to create, must be an utf8 string
+ *
+ * @return string object
+ */
+
+heim_string_t
+heim_string_create_with_static(const char *string)
+{
+    return heim_base_make_tagged_string_ptr(string);
+}
+
+/**
+ * Return the type ID of string objects
+ *
+ * @return type id of string objects
+ */
+
+heim_tid_t
+heim_string_get_type_id(void)
+{
+    return HEIM_TID_STRING;
+}
+
+/**
+ * Get the string value of the content.
+ *
+ * @param string the string object to get the value from
+ *
+ * @return a utf8 string
+ */
+
+const char *
+heim_string_get_utf8(heim_string_t string)
+{
+    return (const char *)string;
+}