Let us start here, from square one. No, from Zero!

2022-09-30 22:45:51 +09:00
parent 14215af0d1
commit b7a60638a4
1005 changed files with 303069 additions and 0 deletions
@@ -0,0 +1,78 @@
+#include <winsock2.h>
+#include <ws2tcpip.h>
+
+#include "utils.h"
+
+const char *inet_ntop(short af, const void *src, char *dst, DWORD size) {
+
+    // prepare storage
+    struct sockaddr_storage ss {};
+    ZeroMemory(&ss, sizeof(ss));
+    ss.ss_family = af;
+
+    // IPv6 compatibility
+    switch (af) {
+        case AF_INET:
+            ((struct sockaddr_in *) &ss)->sin_addr = *(struct in_addr *) src;
+            break;
+        case AF_INET6:
+            ((struct sockaddr_in6 *) &ss)->sin6_addr = *(struct in6_addr *) src;
+            break;
+        default:
+            return nullptr;
+    }
+
+    // convert to string
+    int result = WSAAddressToStringA((struct sockaddr *) &ss, sizeof(ss), nullptr, dst, &size);
+
+    // return on success
+    return (result == 0) ? dst : nullptr;
+}
+
+BOOL CALLBACK _find_window_begins_with_cb(HWND wnd, LPARAM lParam) {
+    auto windows = reinterpret_cast<std::vector<HWND> *>(lParam);
+    windows->push_back(wnd);
+    return TRUE;
+}
+
+std::wstring s2ws(const std::string &str) {
+    if (str.empty()) {
+        return std::wstring();
+    }
+
+    int length = MultiByteToWideChar(CP_ACP, 0, str.data(), -1, nullptr, 0);
+    if (length == 0) {
+        log_fatal("utils", "failed to get length of wide string: {}", get_last_error_string());
+    }
+
+    std::wstring buffer;
+    buffer.resize(length - 1);
+
+    length = MultiByteToWideChar(CP_ACP, 0, str.data(), -1, buffer.data(), length);
+    if (length == 0) {
+        log_fatal("utils", "failed to convert string to wide string: {}", get_last_error_string());
+    }
+
+    return buffer;
+}
+
+std::string ws2s(const std::wstring &wstr) {
+    if (wstr.empty()) {
+        return std::string();
+    }
+
+    int length = WideCharToMultiByte(CP_ACP, 0, wstr.data(), -1, nullptr, 0, nullptr, nullptr);
+    if (length == 0) {
+        log_fatal("utils", "failed to get length of wide string: {}", get_last_error_string());
+    }
+
+    std::string buffer;
+    buffer.resize(length - 1);
+
+    length = WideCharToMultiByte(CP_ACP, 0, wstr.data(), -1, buffer.data(), length, nullptr, nullptr);
+    if (length == 0) {
+        log_fatal("utils", "failed to convert string to wide string: {}", get_last_error_string());
+    }
+
+    return buffer;
+}