diff options
Diffstat (limited to 'otherservice/posix_based_os001_legacy_library/library/src/itoa.c')
-rw-r--r-- | otherservice/posix_based_os001_legacy_library/library/src/itoa.c | 45 |
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; +} |