Try to regularize driver operation return codes via a new enumeation
return type. (I may regret this later as we return ioctl's int value in some cases). cdio.h: get/set_arg moved to device.
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@@ -1,5 +1,5 @@
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/*
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$Id: cdio.c,v 1.9 2005/01/17 17:20:09 rocky Exp $
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$Id: cdio.c,v 1.10 2005/01/19 09:23:24 rocky Exp $
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Copyright (C) 2003, 2004, 2005 Rocky Bernstein <rocky@panix.com>
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Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
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@@ -35,7 +35,7 @@
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#include <cdio/util.h>
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#include "cdio_private.h"
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static const char _rcsid[] = "$Id: cdio.c,v 1.9 2005/01/17 17:20:09 rocky Exp $";
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static const char _rcsid[] = "$Id: cdio.c,v 1.10 2005/01/19 09:23:24 rocky Exp $";
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/*!
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@@ -92,14 +92,14 @@ cdio_new (generic_img_private_t *p_env, cdio_funcs_t *p_funcs)
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/*!
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Set the arg "key" with "value" in the source device.
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*/
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int
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cdio_set_arg (CdIo_t *cdio, const char key[], const char value[])
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driver_return_code_t
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cdio_set_arg (CdIo_t *p_cdio, const char key[], const char value[])
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{
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cdio_assert (cdio != NULL);
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cdio_assert (cdio->op.set_arg != NULL);
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cdio_assert (key != NULL);
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if (!p_cdio) return DRIVER_OP_ERROR;
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if (!p_cdio->op.set_arg) return DRIVER_OP_UNSUPPORTED;
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if (!key) return DRIVER_OP_ERROR;
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return cdio->op.set_arg (cdio->env, key, value);
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return p_cdio->op.set_arg (p_cdio->env, key, value);
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}
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