1 files changed, 100 insertions, 0 deletions
diff --git a/payloads/libpayload/curses/PDCurses-3.4/dos/pdcgetsc.c b/payloads/libpayload/curses/PDCurses-3.4/dos/pdcgetsc.c
new file mode 100644
index 0000000000..290db5a3c7
--- /dev/null
+++ b/payloads/libpayload/curses/PDCurses-3.4/dos/pdcgetsc.c
@@ -0,0 +1,100 @@
+/* Public Domain Curses */
+
+#include "pdcdos.h"
+
+RCSID("$Id: pdcgetsc.c,v 1.42 2008/07/13 16:08:17 wmcbrine Exp $")
+
+#include <stdlib.h>
+
+/* return width of screen/viewport */
+
+int PDC_get_columns(void)
+{
+    PDCREGS regs;
+    int cols;
+    const char *env_cols;
+
+    PDC_LOG(("PDC_get_columns() - called\n"));
+
+    /* use the value from COLS environment variable, if set. MH 10-Jun-92 */
+    /* and use the minimum of COLS and return from int10h    MH 18-Jun-92 */
+
+    regs.h.ah = 0x0f;
+    PDCINT(0x10, regs);
+    cols = (int)regs.h.ah;
+
+    env_cols = getenv("COLS");
+
+    if (env_cols)
+        cols = min(atoi(env_cols), cols);
+
+    PDC_LOG(("PDC_get_columns() - returned: cols %d\n", cols));
+
+    return cols;
+}
+
+/* get the cursor size/shape */
+
+int PDC_get_cursor_mode(void)
+{
+    PDC_LOG(("PDC_get_cursor_mode() - called\n"));
+
+    return getdosmemword(0x460);
+}
+
+/* return number of screen rows */
+
+int PDC_get_rows(void)
+{
+    const char *env_rows;
+    int rows;
+
+    PDC_LOG(("PDC_get_rows() - called\n"));
+
+    /* use the value from LINES environment variable, if set. MH 10-Jun-92 */
+    /* and use the minimum of LINES and *ROWS.                MH 18-Jun-92 */
+
+    rows = getdosmembyte(0x484) + 1;
+    env_rows = getenv("LINES");
+
+    if (env_rows)
+        rows = min(atoi(env_rows), rows);
+
+    if (rows == 1 && pdc_adapter == _MDS_GENIUS)
+        rows = 66;
+    if (rows == 1 && pdc_adapter == _MDA)
+        rows = 25;
+
+    if (rows == 1)
+    {
+        rows = 25;
+        pdc_direct_video = FALSE;
+    }
+
+    switch (pdc_adapter)
+    {
+    case _EGACOLOR:
+    case _EGAMONO:
+        switch (rows)
+        {
+        case 25:
+        case 43:
+            break;
+        default:
+            rows = 25;
+        }
+        break;
+
+    case _VGACOLOR:
+    case _VGAMONO:
+        break;
+
+    default:
+        rows = 25;
+        break;
+    }
+
+    PDC_LOG(("PDC_get_rows() - returned: rows %d\n", rows));
+
+    return rows;
+}