shithub: choc

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Add a hint message about permissions if unable to get I/O permissions
for hardware OPL access.

Subversion-branch: /branches/opl-branch
Subversion-revision: 1844

--- a/opl/opl_linux.c

+++ b/opl/opl_linux.c

@@ -47,6 +47,14 @@

     {

         fprintf(stderr, "Failed to get I/O port permissions for 0x%x: %s\n",

                         port_base, strerror(errno));

+

+        if (errno == EPERM)

+        {

+            fprintf(stderr,

+                    "\tYou may need to run the program as root in order\n"

+                    "\tto acquire I/O port permissions for OPL MIDI playback.\n");

+        }

+

         return 0;

     }