stellar

commit 63d7568e62922c5488d19978f5236e10117e3b28
parent ac15a56b21d7e7a0b3994dd62b8c47605400c947
Author: Dimitrije Dobrota <mail@dimitrijedobrota.com>
Date:   Thu, 21 Sep 2023 18:15:41 +0000

Fix CMakeLists.txt, add help to perft

Diffstat:
M
CMakeLists.txt
 | 
4
++--
M
src/perft/perft.cpp
 | 
14
+++++++++++++-

2 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -4,9 +4,9 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 project(
     Stellar
 	VERSION 0.0.35
-    DESCRIPTION "Chess engine written in C"
+    DESCRIPTION "Chess engine written in C++"
 	HOMEPAGE_URL https://git.dimitrijedobrota.com/stellar.git
-    LANGUAGES C CXX
+    LANGUAGES CXX
 )
 enable_testing()
 
diff --git a/src/perft/perft.cpp b/src/perft/perft.cpp
@@ -121,11 +121,19 @@ void perft_test(const char *fen, int depth, int thread_num) {
 #endif
 }
 
+void usage(const char *program) {
+    std::cout << "Usage: " << program;
+    std::cout << " [-h]";
+    std::cout << " [-t thread number]";
+    std::cout << " [-d depth]";
+    std::cout << " [-f fen]" <<std::endl;
+}
+
 int main(int argc, char *argv[]) {
     int c, depth = 1, thread_num = 1;
     std::string s(start_position);
     const char *fen = s.data();
-    while ((c = getopt(argc, argv, "t:f:d:")) != -1) {
+    while ((c = getopt(argc, argv, "ht:f:d:")) != -1) {
         switch (c) {
         case 't':
             thread_num = atoi(optarg);
@@ -138,7 +146,11 @@ int main(int argc, char *argv[]) {
             depth = atoi(optarg);
             if (depth <= 0) abort();
             break;
+        case 'h':
+            usage(argv[0]);
+            return 1;
         default:
+            usage(argv[0]);
             abort();
         }
     }