1 files changed, 156 insertions, 0 deletions
diff --git a/externals/zycore/src/API/Terminal.c b/externals/zycore/src/API/Terminal.c
new file mode 100644
index 00000000..376d8e12
--- /dev/null
+++ b/externals/zycore/src/API/Terminal.c
@@ -0,0 +1,156 @@
+/***************************************************************************************************
+
+  Zyan Core Library (Zycore-C)
+
+  Original Author : Florian Bernd
+
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+
+***************************************************************************************************/
+
+#include <Zycore/API/Terminal.h>
+
+#if   defined(ZYAN_POSIX)
+#   include <unistd.h>
+#elif defined(ZYAN_WINDOWS)
+#   include <windows.h>
+#   include <io.h>
+#else
+#   error "Unsupported platform detected"
+#endif
+
+// Provide fallback for old SDK versions
+#ifdef ZYAN_WINDOWS
+#   ifndef ENABLE_VIRTUAL_TERMINAL_PROCESSING
+#       define ENABLE_VIRTUAL_TERMINAL_PROCESSING 0x0004
+#   endif
+#endif
+
+/* ============================================================================================== */
+/* Exported functions                                                                             */
+/* ============================================================================================== */
+
+ZyanStatus ZyanTerminalEnableVT100(ZyanStandardStream stream)
+{
+    if ((stream != ZYAN_STDSTREAM_OUT) && (stream != ZYAN_STDSTREAM_ERR))
+    {
+        return ZYAN_STATUS_INVALID_ARGUMENT;
+    }
+
+#ifdef ZYAN_WINDOWS
+    // Get file descriptor
+    int file;
+    switch (stream)
+    {
+    case ZYAN_STDSTREAM_OUT:
+        file = _fileno(ZYAN_STDOUT);
+        break;
+    case ZYAN_STDSTREAM_ERR:
+        file = _fileno(ZYAN_STDERR);
+        break;
+    default:
+        ZYAN_UNREACHABLE;
+    }
+    if (file < 0)
+    {
+        return ZYAN_STATUS_INVALID_ARGUMENT;
+    }
+
+    HANDLE const handle = (HANDLE)_get_osfhandle(file);
+    if (handle == INVALID_HANDLE_VALUE)
+    {
+        return ZYAN_STATUS_INVALID_ARGUMENT;
+    }
+
+    DWORD mode;
+    if (!GetConsoleMode(handle, &mode))
+    {
+        // The given standard stream is not bound to a terminal
+        return ZYAN_STATUS_INVALID_ARGUMENT;
+    }
+
+    mode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING;
+    if (!SetConsoleMode(handle, mode))
+    {
+        return ZYAN_STATUS_BAD_SYSTEMCALL;
+    }
+#endif
+
+    return ZYAN_STATUS_SUCCESS;
+}
+
+ZyanStatus ZyanTerminalIsTTY(ZyanStandardStream stream)
+{
+    // Get file descriptor
+    int file;
+#ifdef ZYAN_WINDOWS
+    switch (stream)
+    {
+    case ZYAN_STDSTREAM_IN:
+        file = _fileno(ZYAN_STDIN);
+        break;
+    case ZYAN_STDSTREAM_OUT:
+        file = _fileno(ZYAN_STDOUT);
+        break;
+    case ZYAN_STDSTREAM_ERR:
+        file = _fileno(ZYAN_STDERR);
+        break;
+    default:
+        ZYAN_UNREACHABLE;
+    }
+    if (file < 0)
+    {
+        return ZYAN_STATUS_INVALID_ARGUMENT;
+    }
+#else
+    switch (stream)
+    {
+    case ZYAN_STDSTREAM_IN:
+        file = STDIN_FILENO;
+        break;
+    case ZYAN_STDSTREAM_OUT:
+        file = STDOUT_FILENO;
+        break;
+    case ZYAN_STDSTREAM_ERR:
+        file = STDERR_FILENO;
+        break;
+    default:
+        ZYAN_UNREACHABLE;
+    }
+#endif
+
+#ifdef ZYAN_WINDOWS
+    if (_isatty(file))
+#else
+    if ( isatty(file))
+#endif
+    {
+        return ZYAN_STATUS_TRUE;
+    }
+    if (ZYAN_ERRNO == EBADF)
+    {
+        // Invalid file descriptor
+        return ZYAN_STATUS_INVALID_ARGUMENT;
+    }
+    //ZYAN_ASSERT((errno == EINVAL) || (errno == ENOTTY));
+
+    return ZYAN_STATUS_FALSE;
+}
+
+/* ============================================================================================== */