From 1c345e559710ec6200f7d508629bd24457a20a80 Mon Sep 17 00:00:00 2001
From: Jose Antonio Ortega Ruiz <jao@gnu.org>
Date: Thu, 22 Mar 2001 03:01:01 +0000
Subject: initial import (sf 0.3beta)

---
 mixlib/mix_device.c | 163 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 163 insertions(+)
 create mode 100644 mixlib/mix_device.c

(limited to 'mixlib/mix_device.c')

diff --git a/mixlib/mix_device.c b/mixlib/mix_device.c
new file mode 100644
index 0000000..13e7150
--- /dev/null
+++ b/mixlib/mix_device.c
@@ -0,0 +1,163 @@
+/* -*-c-*- -------------- mix_device.c :
+ * Implementation of the functions declared in mix_device.h
+ * ------------------------------------------------------------------
+ * Copyright (C) 2000, 2001 Free Software Foundation, Inc.
+ *  
+ * 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.
+ *  
+ */
+
+
+#include "mix_file.h"
+#include "xmix_device.h"
+
+mix_device_t *
+mix_device_new (mix_device_type_t type)
+{
+  mix_device_t *result = NULL;
+  g_return_val_if_fail (type < mix_dev_INVALID, NULL);
+  result = g_new (mix_device_t, 1);
+  result->type = type;
+  if (type != mix_dev_CONSOLE) {
+    result->file = MIX_IOCHANNEL(mix_file_new_with_def_ext (DEF_NAMES_[type],
+							    FMODES_[type],
+							    DEV_EXT_));
+  } else
+    result->file = mix_io_new (stdout);
+  result->vtable = DEF_DEV_VTABLE_;
+  return result;
+}
+
+
+
+mix_device_t *
+mix_device_new_with_name (mix_device_type_t type, const gchar *name)
+{
+  mix_device_t *result = NULL;
+  g_return_val_if_fail (name != NULL, NULL);
+  g_return_val_if_fail (type < mix_dev_INVALID, NULL);
+  result = g_new (mix_device_t, 1);  
+  result->type = type;
+  if (type != mix_dev_CONSOLE)
+    {
+      result->file = MIX_IOCHANNEL(mix_file_new_with_def_ext (name,
+							      FMODES_[type],
+							      DEV_EXT_));
+    }
+  else
+    {
+      result->file = mix_io_new (stdout);
+    }
+  result->vtable = DEF_DEV_VTABLE_;
+  return result;
+}
+
+/*
+  Create a new device with a given type and stream
+*/
+mix_device_t *
+mix_device_new_with_file (mix_device_type_t type, FILE *file)
+{
+  mix_device_t *result = NULL;
+  g_return_val_if_fail (file != NULL, NULL);
+  g_return_val_if_fail (type < mix_dev_INVALID, NULL);
+  result = g_new (mix_device_t, 1);
+  result->type = type;
+  result->file = mix_io_new (file);
+  result->vtable = DEF_DEV_VTABLE_;
+  return result;
+}
+
+void
+mix_device_delete (mix_device_t *dev)
+{
+  if (dev != NULL)
+    {
+      if (dev->type != mix_dev_CONSOLE && GET_FILE_(dev) != NULL)
+	mix_file_delete (GET_FILE_(dev));
+      g_free (dev);
+    }
+}
+
+mix_device_type_t
+mix_device_type (const mix_device_t *dev)
+{
+  g_return_val_if_fail (dev != NULL, mix_dev_INVALID);
+  return dev->type;
+}
+
+const char *
+mix_device_get_name (const mix_device_t *dev)
+{
+  g_return_val_if_fail (dev != NULL, NULL);
+  return mix_file_base_name(GET_FILE_(dev));
+}
+
+/*
+  Get the device block size
+*/
+size_t
+mix_device_block_size (const mix_device_t *dev)
+{
+  g_return_val_if_fail (dev != NULL, 0);
+  return SIZES_[dev->type];
+}
+
+/*
+  Get the device io mode
+*/
+mix_device_mode_t
+mix_device_mode (const mix_device_t *dev) 
+{
+  g_return_val_if_fail (dev != NULL, 0);
+  return MODES_[dev->type];
+}
+
+/*
+  Write a block to the device.
+*/
+gboolean
+mix_device_write (mix_device_t *dev, const mix_word_t *block) 
+{
+  g_return_val_if_fail (dev != NULL, FALSE);
+  g_return_val_if_fail (block != NULL, FALSE);
+  g_assert (dev->vtable != NULL);
+  return (dev->vtable->write) (dev, block);
+}
+
+gboolean
+mix_device_read (mix_device_t *dev, mix_word_t *block) 
+{
+  g_return_val_if_fail (dev != NULL, FALSE);
+  g_return_val_if_fail (block != NULL, FALSE);
+  g_assert (dev->vtable != NULL);
+  return (dev->vtable->read) (dev, block);
+}
+
+gboolean
+mix_device_ioc (mix_device_t *dev, mix_short_t arg) 
+{
+  g_return_val_if_fail (dev != NULL, FALSE);
+  g_assert (dev->vtable != NULL);
+  return (dev->vtable->ioc) (dev, arg);
+}
+
+gboolean
+mix_device_busy (const mix_device_t *dev)
+{
+  g_return_val_if_fail (dev != NULL, FALSE);
+  return (dev->vtable->busy) (dev);
+
+}
-- 
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