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-rw-r--r--lib/base/number.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/lib/base/number.c b/lib/base/number.c
new file mode 100644
index 000000000000..c259f69971d0
--- /dev/null
+++ b/lib/base/number.c
@@ -0,0 +1,128 @@
+/*
+ * 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"
+
+static void
+number_dealloc(void *ptr)
+{
+}
+
+static int
+number_cmp(void *a, void *b)
+{
+ int na, nb;
+
+ if (heim_base_is_tagged_object(a))
+ na = heim_base_tagged_object_value(a);
+ else
+ na = *(int *)a;
+
+ if (heim_base_is_tagged_object(b))
+ nb = heim_base_tagged_object_value(b);
+ else
+ nb = *(int *)b;
+
+ return na - nb;
+}
+
+static unsigned long
+number_hash(void *ptr)
+{
+ if (heim_base_is_tagged_object(ptr))
+ return heim_base_tagged_object_value(ptr);
+ return (unsigned long)*(int *)ptr;
+}
+
+struct heim_type_data _heim_number_object = {
+ HEIM_TID_NUMBER,
+ "number-object",
+ NULL,
+ number_dealloc,
+ NULL,
+ number_cmp,
+ number_hash,
+ NULL
+};
+
+/**
+ * Create a number object
+ *
+ * @param the number to contain in the object
+ *
+ * @return a number object
+ */
+
+heim_number_t
+heim_number_create(int number)
+{
+ heim_number_t n;
+
+ if (number < 0xffffff && number >= 0)
+ return heim_base_make_tagged_object(number, HEIM_TID_NUMBER);
+
+ n = _heim_alloc_object(&_heim_number_object, sizeof(int));
+ if (n)
+ *((int *)n) = number;
+ return n;
+}
+
+/**
+ * Return the type ID of number objects
+ *
+ * @return type id of number objects
+ */
+
+heim_tid_t
+heim_number_get_type_id(void)
+{
+ return HEIM_TID_NUMBER;
+}
+
+/**
+ * Get the int value of the content
+ *
+ * @param number the number object to get the value from
+ *
+ * @return an int
+ */
+
+int
+heim_number_get_int(heim_number_t number)
+{
+ if (heim_base_is_tagged_object(number))
+ return heim_base_tagged_object_value(number);
+ return *(int *)number;
+}