From 300160e73da486946ae513f1d039dcd7b85ff17c Mon Sep 17 00:00:00 2001
From: Jose Antonio Ortega Ruiz <jao@gnu.org>
Date: Mon, 20 Mar 2006 22:46:46 +0000
Subject: Version 1.2.1 imported

git-archimport-id: mdk@sv.gnu.org/mdk--devel--1--patch-1
---
 mixlib/mix_device.c | 164 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 164 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..6a99e8a
--- /dev/null
+++ b/mixlib/mix_device.c
@@ -0,0 +1,164 @@
+/* -*-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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *  
+ */
+
+#include "mix_file.h"
+#include "xmix_device.h"
+
+/*
+  Set the directory for mix device files (by default, it's ".")
+  If the dir does not exist, it is created.
+*/
+gboolean
+mix_device_set_dir (const gchar *dirname)
+{
+  if (mix_stat_dir (dirname, "devices"))
+    {
+      if (DEV_DIR_) g_free (DEV_DIR_);
+      DEV_DIR_ = g_strdup (dirname);
+      return TRUE;
+    }
+  else
+    return FALSE;
+}
+
+const gchar *
+mix_device_get_dir (void)
+{
+  return DEV_DIR_;
+}
+
+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);
+  construct_device_ (result, type);
+  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);  
+  construct_device_with_name_ (result, type, name);
+  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);
+  construct_device_with_file_ (result, type, file);
+  return result;
+}
+
+void
+mix_device_delete (mix_device_t *dev)
+{
+  if (dev != NULL)
+    {
+      (dev->vtable->destroy) (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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