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-rw-r--r--binding/afm-nfc-common.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/binding/afm-nfc-common.c b/binding/afm-nfc-common.c
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index 0000000..6dee428
--- /dev/null
+++ b/binding/afm-nfc-common.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2018 Konsulko Group
+ * Author: Matt Ranostay <matt.ranostay@konsulko.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include "afm-nfc-common.h"
+
+char *to_hex_string(unsigned char *data, size_t size)
+{
+ char *buffer = malloc((2 * size) + 1);
+ char *tmp = buffer;
+ int i;
+
+ if (buffer == NULL)
+ return buffer;
+
+ for (i = 0; i < size; i++) {
+ tmp += sprintf(tmp, "%.2x", data[i]);
+ }
+
+ return buffer;
+}