| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 "Atoi.h" |
| #include "Status.h" |
| |
| #include <limits> |
| #include <sstream> |
| #include <stdint.h> |
| #include <stdlib.h> |
| #include <string> |
| |
| using hdfs::Status; |
| using std::ostringstream; |
| |
| namespace hdfs { |
| namespace internal { |
| |
| Status StrToInt32(const char *str, int32_t *ret) { |
| long retval; |
| char *end = NULL; |
| errno = 0; |
| retval = strtol(str, &end, 0); |
| |
| if (EINVAL == errno || 0 != *end) { |
| ostringstream oss; |
| oss << "Invalid int32_t type: " << str; |
| return Status(EINVAL, oss.str()); |
| } |
| if (ERANGE == errno || retval > (std::numeric_limits<int32_t>::max)() || |
| retval < (std::numeric_limits<int32_t>::min)()) { |
| ostringstream oss; |
| oss << "Underflow/Overflow in int32_t type: " << str; |
| return Status(EINVAL, oss.str()); |
| } |
| *ret = retval; |
| return Status::OK(); |
| } |
| |
| Status StrToInt64(const char *str, int64_t *ret) { |
| long long retval; |
| char *end = NULL; |
| errno = 0; |
| retval = strtoll(str, &end, 0); |
| |
| if (EINVAL == errno || 0 != *end) { |
| ostringstream oss; |
| oss << "Invalid int64_t type: " << str; |
| return Status(EINVAL, oss.str()); |
| } |
| if (ERANGE == errno || retval > (std::numeric_limits<int64_t>::max)() || |
| retval < (std::numeric_limits<int64_t>::min)()) { |
| ostringstream oss; |
| oss << "Underflow/Overflow in int64_t type: " << str; |
| return Status(EINVAL, oss.str()); |
| } |
| *ret = retval; |
| return Status::OK(); |
| } |
| |
| Status StrToBool(const char *str, bool *ret) { |
| bool retval = false; |
| |
| if (!strcasecmp(str, "true") || !strcmp(str, "1")) { |
| retval = true; |
| } else if (!strcasecmp(str, "false") || !strcmp(str, "0")) { |
| retval = false; |
| } else { |
| ostringstream oss; |
| oss << "Invalid bool type: " << str; |
| return Status(EINVAL, oss.str()); |
| } |
| *ret = retval; |
| return Status::OK(); |
| } |
| |
| Status StrToDouble(const char *str, double *ret) { |
| double retval; |
| char *end = NULL; |
| errno = 0; |
| retval = strtod(str, &end); |
| |
| if (EINVAL == errno || 0 != *end) { |
| ostringstream oss; |
| oss << "Invalid double type: " << str; |
| return Status(EINVAL, oss.str()); |
| } |
| if (ERANGE == errno || retval > (std::numeric_limits<double>::max)() || |
| retval < (std::numeric_limits<double>::min)()) { |
| ostringstream oss; |
| oss << "Underflow/Overflow in double type: " << str; |
| return Status(EINVAL, oss.str()); |
| } |
| *ret = retval; |
| return Status::OK(); |
| } |
| |
| } |
| } |