30a112fd71
cfg: made yb_quota 9 by default. linux: fixed bots connection times remains static on linux or osx. crlib: fix security issues.
304 lines
6.9 KiB
C++
304 lines
6.9 KiB
C++
//
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// CRLib - Simple library for STL replacement in private projects.
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// Copyright © 2020 YaPB Development Team <team@yapb.ru>.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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#pragma once
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CR_NAMESPACE_BEGIN
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// detects the build platform
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#if defined(__linux__)
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# define CR_LINUX
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#elif defined(__APPLE__)
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# define CR_OSX
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#elif defined(_WIN32)
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# define CR_WINDOWS
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#endif
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#if defined(__ANDROID__)
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# define CR_ANDROID
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# if defined(LOAD_HARDFP)
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# define CR_ANDROID_HARD_FP
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# endif
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#endif
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// detects the compiler
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#if defined(_MSC_VER)
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# define CR_CXX_MSVC _MSC_VER
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#endif
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#if defined(__clang__)
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# define CR_CXX_CLANG __clang__
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#endif
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#if defined(__INTEL_COMPILER)
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# define CR_CXX_INTEL __INTEL_COMPILER
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#endif
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#if defined(__GNUC__)
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# define CR_CXX_GCC __GNUC__
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#endif
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// configure macroses
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#define CR_LINKAGE_C extern "C"
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#if defined(CR_WINDOWS)
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# define CR_EXPORT CR_LINKAGE_C __declspec (dllexport)
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# define CR_STDCALL __stdcall
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#elif defined(CR_LINUX) || defined(CR_OSX)
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# define CR_EXPORT CR_LINKAGE_C __attribute__((visibility("default")))
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# define CR_STDCALL
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#else
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# error "Can't configure export macros. Compiler unrecognized."
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#endif
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#if defined(__x86_64) || defined(__x86_64__) || defined(__amd64__) || defined(__amd64) || (defined(_MSC_VER) && defined(_M_X64))
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# define CR_ARCH_X64
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#elif defined(__i686) || defined(__i686__) || defined(__i386) || defined(__i386__) || defined(i386) || (defined(_MSC_VER) && defined(_M_IX86))
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# define CR_ARCH_X86
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#endif
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#if defined(__arm__)
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# define CR_ARCH_ARM
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# if defined(__aarch64__)
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# define CR_ARCH_ARM64
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# endif
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#endif
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#if (defined(CR_ARCH_X86) || defined(CR_ARCH_X64)) && !defined(CR_DEBUG)
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# define CR_HAS_SSE
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#endif
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#if defined(CR_HAS_SSE)
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# if defined (CR_CXX_MSVC)
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# define CR_ALIGN16 __declspec (align (16))
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# else
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# define CR_ALIGN16 __attribute__((aligned(16)))
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# endif
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#endif
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// disable warnings regarding intel compiler
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#if defined(CR_CXX_INTEL)
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# pragma warning (disable : 3280) // declaration hides member "XXX" (declared at line XX)
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# pragma warning (disable : 2415) // variable "XXX" of static storage duration was declared but never referenced
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# pragma warning (disable : 873) // function "operator new(size_t={unsigned int}, void *)" has no corresponding operator delete (to be called if an exception is thrown during initialization of an allocated object)
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# pragma warning (disable : 383) // value copied to temporary, reference to temporary used
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# pragma warning (disable : 11074 11075) // remarks about inlining bla-bla-bla
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#endif
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// msvc provides us placement new by default
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#if defined (CR_CXX_MSVC)
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# define __PLACEMENT_NEW_INLINE 1
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#endif
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// disabled gcc warnings
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#if defined (CR_CXX_GCC)
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# pragma GCC diagnostic ignored "-Wignored-attributes"
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#endif
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CR_NAMESPACE_END
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#if defined(CR_WINDOWS)
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# define WIN32_LEAN_AND_MEAN
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# include <windows.h>
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# include <direct.h>
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# if defined (max)
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# undef max
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# endif
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# if defined (min)
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# undef min
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# endif
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#else
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# include <unistd.h>
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# include <strings.h>
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# include <sys/stat.h>
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# include <sys/time.h>
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#endif
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#include <stdio.h>
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#include <assert.h>
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#include <locale.h>
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#include <string.h>
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#include <stdarg.h>
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#if defined (CR_ANDROID)
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# include <android/log.h>
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#endif
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#include <time.h>
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CR_NAMESPACE_BEGIN
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// helper struct for platform detection
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struct Platform : public Singleton <Platform> {
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bool win32 = false;
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bool linux = false;
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bool osx = false;
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bool android = false;
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bool hfp = false;
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bool x64 = false;
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bool arm = false;
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char appName[64] = {};
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Platform () {
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#if defined(CR_WINDOWS)
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win32 = true;
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#endif
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#if defined(CR_ANDROID)
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android = true;
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# if defined (CR_ANDROID_HARD_FP)
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hfp = true;
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# endif
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#endif
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#if defined(CR_LINUX)
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linux = true;
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#endif
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#if defined(CR_OSX)
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osx = true;
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#endif
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#if defined(CR_ARCH_X64) || defined(CR_ARCH_ARM64)
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x64 = true;
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#endif
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#if defined(CR_ARCH_ARM)
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arm = true;
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android = true;
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#endif
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}
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// set the app name
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void setAppName (const char *name) {
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snprintf (appName, cr::bufsize (appName), "%s", name);
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}
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// helper platform-dependant functions
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template <typename U> bool checkPointer (U *ptr) {
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#if defined(CR_WINDOWS)
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if (IsBadCodePtr (reinterpret_cast <FARPROC> (ptr))) {
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return false;
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}
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#else
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(void) (ptr);
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#endif
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return true;
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}
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bool createDirectory (const char *dir) {
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int result = 0;
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#if defined(CR_WINDOWS)
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result = _mkdir (dir);
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#else
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result = mkdir (dir, 0777);
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#endif
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return !!result;
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}
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bool removeFile (const char *dir) {
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#if defined(CR_WINDOWS)
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_unlink (dir);
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#else
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unlink (dir);
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#endif
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return true;
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}
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bool hasModule (const char *mod) {
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#if defined(CR_WINDOWS)
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return GetModuleHandleA (mod) != nullptr;
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#else
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(void) (mod);
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return true;
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#endif
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}
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float seconds () {
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#if defined(CR_WINDOWS)
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LARGE_INTEGER count, freq;
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count.QuadPart = 0;
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freq.QuadPart = 0;
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QueryPerformanceFrequency (&freq);
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QueryPerformanceCounter (&count);
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return static_cast <float> (count.QuadPart / freq.QuadPart);
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#else
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timeval tv;
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gettimeofday (&tv, nullptr);
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static auto startTime = tv.tv_sec;
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return static_cast <float> (tv.tv_sec - startTime);
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#endif
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}
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void abort (const char *msg = "OUT OF MEMORY!") noexcept {
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fprintf (stderr, "%s\n", msg);
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#if defined (CR_ANDROID)
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__android_log_write (ANDROID_LOG_ERROR, appName, msg);
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#endif
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#if defined(CR_WINDOWS)
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DestroyWindow (GetForegroundWindow ());
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MessageBoxA (GetActiveWindow (), msg, appName, MB_ICONSTOP);
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#endif
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::abort ();
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}
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// anologue of memset
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template <typename U> void bzero (U *ptr, size_t len) noexcept {
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#if defined (CR_WINDOWS)
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memset (ptr, 0, len);
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#else
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auto zeroing = reinterpret_cast <uint8 *> (ptr);
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for (size_t i = 0; i < len; ++i) {
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zeroing[i] = 0;
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}
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#endif
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}
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const char *env (const char *var) {
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static char result[256];
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bzero (result, sizeof (result));
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#if defined(CR_WINDOWS) && !defined(CR_CXX_GCC)
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char *buffer = nullptr;
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size_t size = 0;
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if (_dupenv_s (&buffer, &size, var) == 0 && buffer != nullptr) {
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strncpy_s (result, buffer, sizeof (result));
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free (buffer);
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}
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#else
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strncpy (result, getenv (var), cr::bufsize (result));
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#endif
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return result;
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}
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};
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// expose platform singleton
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CR_EXPOSE_GLOBAL_SINGLETON (Platform, plat);
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CR_NAMESPACE_END
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