Fix FreeBSD compilation

CMakeLists.txt

@@ -32,6 +32,11 @@ list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 
 find_package(OpenSSL REQUIRED)
 
+if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
+    list(APPEND COMMON_LIBRARIES "stdc++fs")
+endif(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
+
+
 # Usenetsearch common library --------------------------------------------------
 
 add_library(usenetsearch
@@ -60,7 +65,7 @@ target_include_directories(usenetsearch
 )
 
 target_link_libraries(usenetsearch
-    PUBLIC ${OPENSSL_LIBRARIES} stdc++fs
+    PUBLIC ${OPENSSL_LIBRARIES} ${COMMON_LIBRARIES}
 )
 
 # Indexer executable -----------------------------------------------------------
@@ -70,7 +75,7 @@ add_executable(usenetindexd
 )
 
 target_link_libraries(usenetindexd
-    PUBLIC ${OPENSSL_LIBRARIES} stdc++fs
+    PUBLIC ${OPENSSL_LIBRARIES} ${COMMON_LIBRARIES}
     PRIVATE usenetsearch
 )
 
@@ -86,7 +91,7 @@ add_executable(usenetfind
 )
 
 target_link_libraries(usenetfind
-    PUBLIC ${OPENSSL_LIBRARIES} stdc++fs
+    PUBLIC ${OPENSSL_LIBRARIES} ${COMMON_LIBRARIES}
     PRIVATE usenetsearch
 )
 
@@ -102,7 +107,7 @@ add_executable(dbdump
 )
 
 target_link_libraries(dbdump
-    PUBLIC ${OPENSSL_LIBRARIES} stdc++fs
+    PUBLIC ${OPENSSL_LIBRARIES} ${COMMON_LIBRARIES}
     PRIVATE usenetsearch
 )
 

include/usenetsearch/Database.h

@@ -21,6 +21,7 @@
 #include "usenetsearch/Serialize.h"
 #include "usenetsearch/UsenetClient.h"
 
+#include <array>
 #include <codecvt>
 #include <cstdint>
 #include <filesystem>

include/usenetsearch/Except.h

@@ -18,6 +18,7 @@
 #pragma once
 
 #include <stdexcept>
+#include <string>
 
 namespace usenetsearch {
 

include/usenetsearch/StringUtils.h

@@ -85,8 +85,15 @@ template<typename T>
 T StringLeftTrim(const T& str)
 {
     T s = str;
-    s.erase(s.begin(), std::find_if(s.begin(), s.end(),
-    std::not1(std::ptr_fun<int, int>(std::isspace))));
+    s.erase(s.begin(),
+        std::find_if(
+            s.begin(),
+            s.end(),
+            [](char c){
+                return !std::isspace(c);
+            }
+        )
+    );
     return s;
 }
 
@@ -105,10 +112,15 @@ T StringRemove(const T& subject, const T& toErase)
 template<typename T>
 T StringRightTrim(const T& str)
 {
-    T s = str;
-    s.erase(std::find_if(s.rbegin(), s.rend(), 
-        std::not1(std::ptr_fun<int, int>(std::isspace))).base(), 
-        s.end());
+    T s(str);
+    s.erase(std::find_if(
+        s.rbegin(),
+        s.rend(),
+        [](unsigned char c){
+            return !std::isspace(c);
+        }
+        ).base(), s.end()
+    );
     return s;
 }
 

src/Dns.cpp

@@ -19,6 +19,8 @@
 
 #include "usenetsearch/Logger.h"
 
+#include <sys/socket.h>
+
 #include <cerrno>
 #include <thread>
 

src/Serialize.cpp

@@ -127,7 +127,11 @@ void SerializableFile::Close()
 
 void SerializableFile::Open(const std::string& fileName)
 {
+#ifdef __linux__
     const int flags{O_RDWR|O_NOATIME|O_CREAT};
+#else
+    const int flags{O_RDWR|O_CREAT};
+#endif
     int ret = open(fileName.c_str(), flags, 0644);
     if (ret < 0)
     {

src/StringUtils.cpp

@@ -22,11 +22,13 @@
 #include <openssl/md5.h>
 
 #include <algorithm>
+#include <array>
 #include <codecvt>
 #include <cstring>
 #include <fstream>
 #include <iomanip>
 #include <locale>
+#include <sstream>
 #include <string>
 #include <vector>
 

src/TcpConnection.cpp

@@ -20,6 +20,8 @@
 
 #include "usenetsearch/Dns.h"
 
+#include <netinet/in.h> // sockaddr_in
+#include <sys/socket.h> // AF_INET etc...
 #include <unistd.h> // close(), read(), write()
 
 #include <cerrno>