/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
- Copyright (C) 2004-2022 The Stockfish developers (see AUTHORS file)
+ Copyright (C) 2004-2023 The Stockfish developers (see AUTHORS file)
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
}
#endif
+#include <cstdlib>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <sstream>
+#include <string_view>
#include <vector>
-#include <cstdlib>
#if defined(__linux__) && !defined(__ANDROID__)
#include <stdlib.h>
namespace {
-/// Version number. If Version is left empty, then compile date in the format
-/// DD-MM-YY and show in engine_info.
-const string Version = "";
+/// Version number or dev.
+constexpr string_view version = "dev";
/// Our fancy logging facility. The trick here is to replace cin.rdbuf() and
/// cout.rdbuf() with two Tie objects that tie cin and cout to a file stream. We
} // namespace
-/// engine_info() returns the full name of the current Stockfish version. This
-/// will be either "Stockfish <Tag> DD-MM-YY" (where DD-MM-YY is the date when
-/// the program was compiled) or "Stockfish <Version>", depending on whether
-/// Version is empty.
+/// engine_info() returns the full name of the current Stockfish version.
+/// For local dev compiles we try to append the commit sha and commit date
+/// from git if that fails only the local compilation date is set and "nogit" is specified:
+/// Stockfish dev-YYYYMMDD-SHA
+/// or
+/// Stockfish dev-YYYYMMDD-nogit
+///
+/// For releases (non dev builds) we only include the version number:
+/// Stockfish version
string engine_info(bool to_uci) {
+ stringstream ss;
+ ss << "Stockfish " << version << setfill('0');
- const string months("Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec");
- string month, day, year;
- stringstream ss, date(__DATE__); // From compiler, format is "Sep 21 2008"
-
- ss << "Stockfish " << Version << setfill('0');
-
- if (Version.empty())
+ if constexpr (version == "dev")
{
+ ss << "-";
+ #ifdef GIT_DATE
+ ss << GIT_DATE;
+ #else
+ constexpr string_view months("Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec");
+ string month, day, year;
+ stringstream date(__DATE__); // From compiler, format is "Sep 21 2008"
+
date >> month >> day >> year;
- ss << setw(2) << day << setw(2) << (1 + months.find(month) / 4) << year.substr(2);
+ ss << year << setw(2) << setfill('0') << (1 + months.find(month) / 4) << setw(2) << setfill('0') << day;
+ #endif
+
+ ss << "-";
+
+ #ifdef GIT_SHA
+ ss << GIT_SHA;
+ #else
+ ss << "nogit";
+ #endif
}
ss << (to_uci ? "\nid author ": " by ")
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hProcessToken))
return nullptr;
- if (LookupPrivilegeValue(NULL, SE_LOCK_MEMORY_NAME, &luid))
+ if (LookupPrivilegeValue(nullptr, SE_LOCK_MEMORY_NAME, &luid))
{
TOKEN_PRIVILEGES tp { };
TOKEN_PRIVILEGES prevTp { };
// Round up size to full pages and allocate
allocSize = (allocSize + largePageSize - 1) & ~size_t(largePageSize - 1);
mem = VirtualAlloc(
- NULL, allocSize, MEM_RESERVE | MEM_COMMIT | MEM_LARGE_PAGES, PAGE_READWRITE);
+ nullptr, allocSize, MEM_RESERVE | MEM_COMMIT | MEM_LARGE_PAGES, PAGE_READWRITE);
// Privilege no longer needed, restore previous state
- AdjustTokenPrivileges(hProcessToken, FALSE, &prevTp, 0, NULL, NULL);
+ AdjustTokenPrivileges(hProcessToken, FALSE, &prevTp, 0, nullptr, nullptr);
}
}
// Fall back to regular, page aligned, allocation if necessary
if (!mem)
- mem = VirtualAlloc(NULL, allocSize, MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE);
+ mem = VirtualAlloc(nullptr, allocSize, MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE);
return mem;
}
/// API and returns the best node id for the thread with index idx. Original
/// code from Texel by Peter Ă–sterlund.
-int best_node(size_t idx) {
+static int best_node(size_t idx) {
int threads = 0;
int nodes = 0;