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-rw-r--r--com32/elflink/modules/ansiraw.c115
1 files changed, 115 insertions, 0 deletions
diff --git a/com32/elflink/modules/ansiraw.c b/com32/elflink/modules/ansiraw.c
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+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
+ *
+ * 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.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * ansiraw.c
+ *
+ * Configures the console for ANSI output in raw mode; versions
+ * for COM32 and Linux support.
+ */
+
+#ifdef __COM32__
+
+#include <stdio.h>
+#include <unistd.h>
+#include <console.h>
+#include <sys/module.h>
+
+static int ansiraw_init(void)
+{
+ return 0; // Nothing to do; return success
+}
+
+void console_ansi_raw(void)
+{
+ openconsole(&dev_rawcon_r, &dev_ansiserial_w);
+}
+
+static void ansiraw_exit(void)
+{
+ // Nothing to do
+}
+
+// Define entry and exit points.
+MODULE_INIT(ansiraw_init);
+MODULE_EXIT(ansiraw_exit);
+
+#else
+
+#include <stdio.h>
+#include <termios.h>
+#include <sys/module.h>
+
+static int ansiraw_init(void)
+{
+ return 0; // Nothing to do; return success
+}
+
+static struct termios original_termios_settings;
+
+static void __attribute__ ((constructor)) console_init(void)
+{
+ tcgetattr(0, &original_termios_settings);
+}
+
+static void __attribute__ ((destructor)) console_cleanup(void)
+{
+ tcsetattr(0, TCSANOW, &original_termios_settings);
+}
+
+void console_ansi_raw(void)
+{
+ struct termios tio;
+
+ /* Disable stdio buffering */
+ setbuf(stdin, NULL);
+ setbuf(stdout, NULL);
+ setbuf(stderr, NULL);
+
+ /* Set the termios flag so we behave the same as libcom32 */
+ tcgetattr(0, &tio);
+ tio.c_iflag &= ~ICRNL;
+ tio.c_iflag |= IGNCR;
+ tio.c_lflag &= ~(ISIG | ICANON | ECHO);
+ if (!tio.c_oflag & OPOST)
+ tio.c_oflag = 0;
+ tio.c_oflag |= OPOST | ONLCR;
+ tio.c_cc[VMIN] = 0;
+ tio.c_cc[VTIME] = 1; /* Don't 100% busy-wait in Linux */
+ tcsetattr(0, TCSAFLUSH, &tio);
+}
+
+static void ansiraw_exit(void)
+{
+ // Nothing to do
+}
+
+// Define entry and exit points.
+MODULE_INIT(ansiraw_init);
+MODULE_EXIT(ansiraw_exit);
+
+#endif