1 files changed, 45 insertions, 0 deletions
diff --git a/otherservice/posix_based_os001_legacy_library/library/src/itoa.c b/otherservice/posix_based_os001_legacy_library/library/src/itoa.c
new file mode 100644
index 00000000..49a24bfc
--- /dev/null
+++ b/otherservice/posix_based_os001_legacy_library/library/src/itoa.c
@@ -0,0 +1,45 @@
+/*
+ * @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.
+ */
+
+char* itoa( int value, char buff[], int radix ) {
+	static const char table[] = "0123456789abcdefghijklmnopqrstuvwxyz";
+	char *head = buff;
+	char *tail = buff;
+	char temp;
+
+	// Converting minus sign to character
+	if ( value < 0 ){
+		*tail++ = '-';
+		value = -value;
+	}
+	// Converting integer to character
+	if ( value == 0 ){
+		*tail++ = '0';
+	}
+	else for ( head = tail ; value != 0 ; value /= radix ){
+		*tail++ = table[ value % radix ];
+	}
+	*tail = '\0';
+
+	// swapping characters
+	for ( tail-- ; head < tail ; head++, tail-- ){
+		temp = *head;
+		*head = *tail;
+		*tail = temp;
+	}
+	
+	return buff;
+}