1 files changed, 33 insertions, 0 deletions
diff --git a/otherservice/posix_based_os001_legacy_library/library/src/ultoa.c b/otherservice/posix_based_os001_legacy_library/library/src/ultoa.c
new file mode 100644
index 00000000..1984246e
--- /dev/null
+++ b/otherservice/posix_based_os001_legacy_library/library/src/ultoa.c
@@ -0,0 +1,33 @@
+/*
+ * @copyright Copyright (c) 2016-2020 TOYOTA MOTOR CORPORATION.
+ *
+ * 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 <string.h>
+
+char *ultoa(unsigned long value, char *buf, int radix)
+{
+  const static char c[] = "0123456789abcdef";
+  char b[65];
+  char *p = b + sizeof(b);
+
+  *--p ='\0';
+  do {
+    *--p = c[value % (unsigned int)radix];
+    value /=  (unsigned int)radix;
+  } while (value);
+  strcpy(buf, p);
+
+  return buf;
+}