108 lines
3.6 KiB
C
108 lines
3.6 KiB
C
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/* - | Copyright | ------------------------------------------------------------
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Copyright (c) 2026 Randy Jordan
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do
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so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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* --------------------------------------------------------------------------*/
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#define DEBUG
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#include "../include/ci2.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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/* Platform-specific verification headers */
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#if defined(CI2_WINDOWS)
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#include <windows.h> /* GetSystemInfo, SYSTEM_INFO */
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#elif defined(CI2_UNIX)
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#include <sys/utsname.h>/* uname() — POSIX */
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#include <unistd.h> /* sysconf, _SC_* constants — POSIX */
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#endif
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int
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main(int argc, char* argv[])
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{
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(void)argc;
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(void)argv;
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#if defined(CI2_WINDOWS)
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printf(" Detected platform : Windows\n");
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/*
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* GetSystemInfo() is a Win32 API that fills SYSTEM_INFO.
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* If _WIN32 were wrong this wouldn't compile or link.
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*/
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SYSTEM_INFO si;
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GetSystemInfo(&si);
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printf(" Page size : %lu bytes\n", (unsigned long)si.dwPageSize);
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printf(" Processor count : %lu\n", (unsigned long)si.dwNumberOfProcessors);
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printf(" Processor arch : %u\n", (unsigned)si.wProcessorArchitecture);
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CI2_ASSERT(si.dwPageSize > 0);
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CI2_ASSERT(si.dwNumberOfProcessors > 0);
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#elif defined(CI2_UNIX)
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/*
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* uname() fills a struct utsname with kernel name, release, machine, etc.
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* This is a POSIX function — available on Linux, macOS, and all BSDs.
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* It won't compile on Windows, proving our platform guard is correct.
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*/
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struct utsname uts;
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int ret = uname(&uts);
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CI2_ASSERT(ret == 0);
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printf(" Detected platform : Unix-like\n");
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printf(" OS / sysname : %s\n", uts.sysname);
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printf(" Kernel release : %s\n", uts.release);
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printf(" Machine arch : %s\n", uts.machine);
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printf(" Node name : %s\n", uts.nodename);
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/*
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* sysconf() is another POSIX function.
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* _SC_PAGESIZE and _SC_NPROCESSORS_ONLN are available on Linux & macOS.
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*/
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long page_size = sysconf(_SC_PAGESIZE);
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long n_cpus = sysconf(_SC_NPROCESSORS_ONLN);
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printf(" Page size : %ld bytes\n", page_size);
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printf(" CPUs online : %ld\n", n_cpus);
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CI2_ASSERT(page_size > 0);
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CI2_ASSERT(n_cpus > 0);
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/* Sanity: page size is always a power of two */
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CI2_ASSERT((page_size & (page_size - 1)) == 0);
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#if defined(CI2_LINUX)
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printf(" Sub-platform : Linux\n");
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CI2_ASSERT(strlen(uts.sysname) > 0);
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#elif defined(CI2_MACOS)
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printf(" Sub-platform : macOS\n");
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CI2_ASSERT(strlen(uts.sysname) > 0);
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#endif
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#else
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printf(" [FAIL] No platform macro was defined!\n");
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return EXIT_FAILURE;
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#endif
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return EXIT_SUCCESS;
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}
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