Imported Upstream version 4.2-build2006upstream/4.2-build2006upstream

1 files changed, 75 insertions, 0 deletions

diff --git a/tutorials/sndkit/dsp/help.c b/tutorials/sndkit/dsp/help.c
new file mode 100644
index 0000000..5b0156c
--- /dev/null
+++ b/tutorials/sndkit/dsp/help.c
@@ -0,0 +1,75 @@
+/*
+ * help.c
+ *
+ * Some error printing routines.
+ * 
+ * Copyright by Hannu Savolainen 1993
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer. 2.
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * 
+ */
+#include <stdio.h>
+#include <errno.h>
+
+void
+describe_error (void)
+{
+  switch (errno)
+    {
+    case ENODEV:
+      fprintf (stderr, "The device file was found in /dev but\n"
+	       "OSS is not loaded. You need to load it by executing\n"
+	       "the soundon command.\n");
+      break;
+
+    case ENXIO:
+      fprintf (stderr, "There are no sound devices available.\n"
+	       "The most likely reason is that the device you have\n"
+	       "is malfunctioning or it's not supported by OSS.\n"
+	       "\n"
+
+	       "NOTE! It may be necessary to reboot the system after installing OSS\n"
+#ifdef LICENSED_VERSION
+	       "\n"
+		"If you are a licensed customer then please fill the problem report at\n"
+	        "http://www.opensound.com/support.cgi\n"
+#endif
+		);
+      break;
+
+    case ENOSPC:
+      fprintf (stderr, "Your system cannot allocate memory for the device\n"
+	       "buffers. Reboot your machine and try again.\n");
+      break;
+
+    case ENOENT:
+      fprintf (stderr, "The device file is missing from /dev.\n"
+	       "Perhaps you have not installed and started Open Sound System yet\n");
+      break;
+
+
+    case EBUSY:
+      fprintf (stderr, "The device is busy. There is some other application\n"
+	       "using it.\n");
+
+    default:;
+    }
+}