| /** @file |
| |
| Some small general interest definitions |
| |
| @section license License |
| |
| 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. |
| */ |
| |
| #pragma once |
| |
| #include "tscore/ink_config.h" |
| |
| #include <stddef.h> // NOLINT(modernize-deprecated-headers) |
| |
| #ifdef HAVE_STDINT_H |
| #include <stdint.h> // NOLINT(modernize-deprecated-headers) |
| #endif |
| |
| #ifdef HAVE_INTTYPES_H |
| #include <inttypes.h> // NOLINT(modernize-deprecated-headers) |
| #endif |
| |
| #ifndef INT64_MIN |
| #define INT64_MAX (9223372036854775807LL) |
| #define INT64_MIN (-INT64_MAX - 1LL) |
| #define INT32_MAX (2147483647) |
| #define INT32_MIN (-2147483647 - 1) |
| #endif |
| |
| #define POSIX_THREAD |
| #define POSIX_THREAD_10031c |
| |
| #ifndef ETIME |
| #ifdef ETIMEDOUT |
| #define ETIME ETIMEDOUT |
| #endif |
| #endif |
| |
| #ifndef ENOTSUP |
| #ifdef EOPNOTSUPP |
| #define ENOTSUP EOPNOTSUPP |
| #endif |
| #endif |
| |
| #define NUL '\0' |
| |
| // Determine the element count for an array. |
| #ifdef __cplusplus |
| template <typename T, unsigned N> |
| static inline unsigned |
| countof(const T (&)[N]) |
| { |
| return N; |
| } |
| #else |
| #define countof(x) ((unsigned)(sizeof(x) / sizeof((x)[0]))) |
| #endif |
| |
| #define SOCKOPT_ON ((char *)&on) |
| #define SOCKOPT_OFF ((char *)&off) |
| |
| #ifndef ABS |
| #define ABS(x) (((x) < 0) ? (-(x)) : (x)) |
| #endif |
| |
| #define ATS_UNUSED __attribute__((unused)) |
| #define ATS_WARN_IF_UNUSED __attribute__((warn_unused_result)) |
| #define ATS_UNUSED_RETURN(x) \ |
| if (x) { \ |
| } |
| |
| #ifndef likely |
| #define likely(x) __builtin_expect(!!(x), 1) |
| #endif |
| #ifndef unlikely |
| #define unlikely(x) __builtin_expect(!!(x), 0) |
| #endif |
| |
| /* Variables |
| */ |
| extern int off; |
| extern int on; |
| |
| /* Functions |
| */ |
| int ink_login_name_max(); |
| |
| #ifdef __cplusplus |
| // Round up a value to be a multiple of m if necessary. |
| // |
| template <typename ArithmeticV, typename ArithmeticM> |
| constexpr ArithmeticV |
| ROUNDUP(ArithmeticV value, ArithmeticM m) |
| { |
| ArithmeticV remainder = value % m; |
| if (remainder) { |
| value += m - remainder; |
| } |
| return value; |
| } |
| #endif |