Initial import of sane-backends version 1.0.24-1.2

1 files changed, 139 insertions, 0 deletions

diff --git a/sanei/sanei_codec_bin.c b/sanei/sanei_codec_bin.c
new file mode 100644
index 0000000..48cdead
--- /dev/null
+++ b/sanei/sanei_codec_bin.c
@@ -0,0 +1,139 @@
+/* sane - Scanner Access Now Easy.
+   Copyright (C) 1997 David Mosberger-Tang
+   This file is part of the SANE package.
+
+   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; either version 2 of the
+   License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA.
+
+   As a special exception, the authors of SANE give permission for
+   additional uses of the libraries contained in this release of SANE.
+
+   The exception is that, if you link a SANE library with other files
+   to produce an executable, this does not by itself cause the
+   resulting executable to be covered by the GNU General Public
+   License.  Your use of that executable is in no way restricted on
+   account of linking the SANE library code into it.
+
+   This exception does not, however, invalidate any other reasons why
+   the executable file might be covered by the GNU General Public
+   License.
+
+   If you submit changes to SANE to the maintainers to be included in
+   a subsequent release, you agree by submitting the changes that
+   those changes may be distributed with this exception intact.
+
+   If you write modifications of your own for SANE, it is your choice
+   whether to permit this exception to apply to your modifications.
+   If you do not wish that, delete this exception notice.  */
+
+#include "../include/sane/config.h"
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "../include/sane/sane.h"
+#include "../include/sane/sanei_wire.h"
+#include "../include/sane/sanei_codec_bin.h"
+
+static void
+bin_w_byte (Wire *w, void *v)
+{
+  SANE_Byte *b = v;
+
+  sanei_w_space (w, 1);
+  if (w->status)
+    return;
+
+  switch (w->direction)
+    {
+    case WIRE_ENCODE:
+      *w->buffer.curr++ = *b;
+      break;
+
+    case WIRE_DECODE:
+      *b = *w->buffer.curr++;
+      break;
+
+    case WIRE_FREE:
+	break;
+    }
+}
+
+static void
+bin_w_string (Wire *w, void *v)
+{
+  SANE_Word len;
+  SANE_String *s = v;
+
+  if (w->direction != WIRE_DECODE)
+    {
+      len = 0;
+      if (*s)
+	len = strlen (*s) + 1;
+    }
+  sanei_w_array (w, &len, v, w->codec.w_byte, 1);
+
+  if (w->direction == WIRE_DECODE)
+    {
+      if (len == 0)
+	*s = 0;
+      else if (w->status == 0)
+	*(*s + len - 1) = '\0';
+    }
+}
+
+static void
+bin_w_word (Wire *w, void *v)
+{
+  SANE_Word val, *word = v;
+
+  sanei_w_space (w, 4);
+  if (w->status)
+    return;
+  switch (w->direction)
+    {
+    case WIRE_ENCODE:
+      val = *word;
+      /* store in bigendian byte-order: */
+      w->buffer.curr[0] = (val >> 24) & 0xff;
+      w->buffer.curr[1] = (val >> 16) & 0xff;
+      w->buffer.curr[2] = (val >>  8) & 0xff;
+      w->buffer.curr[3] = (val >>  0) & 0xff;
+      w->buffer.curr += 4;
+      break;
+
+    case WIRE_DECODE:
+      val = (  ((w->buffer.curr[0] & 0xff) << 24)
+	     | ((w->buffer.curr[1] & 0xff) << 16)
+	     | ((w->buffer.curr[2] & 0xff) <<  8)
+	     | ((w->buffer.curr[3] & 0xff) <<  0));
+      *word = val;
+      w->buffer.curr += 4;
+      break;
+
+    case WIRE_FREE:
+      break;
+    }
+}
+
+void
+sanei_codec_bin_init (Wire *w)
+{
+  w->codec.w_byte = bin_w_byte;
+  w->codec.w_char = bin_w_byte;
+  w->codec.w_word = bin_w_word;
+  w->codec.w_string = bin_w_string;
+}