1 files changed, 59 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/sample/conio.c b/contrib/syslinux-4.02/sample/conio.c
new file mode 100644
index 0000000..e9660b9
--- /dev/null
+++ b/contrib/syslinux-4.02/sample/conio.c
@@ -0,0 +1,59 @@
+/* ----------------------------------------------------------------------- *
+ *
+ *   Copyright 2001-2008 H. Peter Anvin - All Rights Reserved
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
+ *   Boston MA 02111-1307, USA; either version 2 of the License, or
+ *   (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * conio.c
+ *
+ * Output to the screen
+ */
+
+#include <com32.h>
+#include <stdarg.h>
+
+#define NULL ((void *)0)
+
+static inline void memset(void *buf, int ch, unsigned int len)
+{
+    asm volatile ("cld; rep; stosb":"+D" (buf), "+c"(len):"a"(ch):"memory");
+}
+
+int putchar(int ch)
+{
+    com32sys_t regs;
+
+    memset(&regs, 0, sizeof regs);
+
+    if (ch == '\n') {
+	/* \n -> \r\n */
+	putchar('\r');
+    }
+
+    regs.eax.b[1] = 0x02;
+    regs.edx.b[0] = ch;
+    __com32.cs_intcall(0x21, &regs, NULL);
+
+    return ch;
+}
+
+/* Note: doesn't put '\n' like the stdc version does */
+int puts(const char *s)
+{
+    int count = 0;
+
+    while (*s) {
+	putchar(*s);
+	count++;
+	s++;
+    }
+
+    return count;
+}