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光驱cdrom读写源代码,scsi命令解析

<a class="l" name="77">     77 </a>	<a href="/source/s?defs=err_msg">err_msg</a>(<a href="/source/s?defs=gettext">gettext</a>(<span class="s">"USAGE:\n"</span>));
<a class="l" name="78">     78 </a>	<a href="/source/s?defs=err_msg">err_msg</a>(<a href="/source/s?defs=gettext">gettext</a>(<span class="s">"\tcdrw -i [ -vSCO ] [ -d device ] [ -p speed ]"</span>));
<a class="l" name="79">     79 </a>	<a href="/source/s?defs=err_msg">err_msg</a>(<a href="/source/s?defs=gettext">gettext</a>(<span class="s">" [ image-file ]\n"</span>));
<a class="hl" name="80">     80 </a>	<a href="/source/s?defs=err_msg">err_msg</a>(<a href="/source/s?defs=gettext">gettext</a>(<span class="s">"\tcdrw -a [ -vSCO ] [ -d device ] [ -p speed ]"</span>));
<a class="l" name="81">     81 </a>	<a href="/source/s?defs=err_msg">err_msg</a>(<a href="/source/s?defs=gettext">gettext</a>(<span class="s">" [ -T audio-type ] audio-file1 audio-file2 ...\n"</span>));
<a class="l" name="82">     82 </a>	<a href="/source/s?defs=err_msg">err_msg</a>(<a href="/source/s?defs=gettext">gettext</a>(<span class="s">"\tcdrw -x [ -v ] [ -d device ] [ -T audio-type ]"</span>));
<a class="l" name="83">     83 </a>	<a href="/source/s?defs=err_msg">err_msg</a>(<a href="/source/s?defs=gettext">gettext</a>(<span class="s">" track-number audio-file\n"</span>));
<a class="l" name="84">     84 </a>	<a href="/source/s?defs=err_msg">err_msg</a>(<a href="/source/s?defs=gettext">gettext</a>(<span class="s">"\tcdrw -c [ -SC ] [ -d device ] [ -p speed ]"</span>));
<a class="l" name="85">     85 </a>	<a href="/source/s?defs=err_msg">err_msg</a>(<a href="/source/s?defs=gettext">gettext</a>(<span class="s">" [ -m tmp-dir ] [ -s src-device ]\n"</span>));
<a class="l" name="86">     86 </a>	<a href="/source/s?defs=err_msg">err_msg</a>(
<a class="l" name="87">     87 </a>	    <a href="/source/s?defs=gettext">gettext</a>(<span class="s">"\tcdrw -b [ -v ] [ -d device ] all | session | fast\n"</span>));
<a class="l" name="88">     88 </a>	<a href="/source/s?defs=err_msg">err_msg</a>(<a href="/source/s?defs=gettext">gettext</a>(<span class="s">"\tcdrw -M [ -v ] [ -d device ]\n"</span>));
<a class="l" name="89">     89 </a>	<a href="/source/s?defs=err_msg">err_msg</a>(<a href="/source/s?defs=gettext">gettext</a>(<span class="s">"\tcdrw -L [ -v ] [ -d device ]\n"</span>));
<a class="hl" name="90">     90 </a>	<a href="/source/s?defs=err_msg">err_msg</a>(<a href="/source/s?defs=gettext">gettext</a>(<span class="s">"\tcdrw -l [ -v ]\n"</span>));
<a class="l" name="91">     91 </a>	<a href="/source/s?defs=err_msg">err_msg</a>(<a href="/source/s?defs=gettext">gettext</a>(<span class="s">"\tcdrw -h\n"</span>));
<a class="l" name="92">     92 </a>
<a class="l" name="93">     93 </a>	<a href="/source/s?defs=exit">exit</a>(<span class="n">2</span>);
<a class="l" name="94">     94 </a>}
<a class="l" name="95">     95 </a>
<a class="l" name="96">     96 </a><b>static</b> <b>void</b>
<a class="l" name="97">     97 </a><a href="/source/s?defs=check_invalid_option">check_invalid_option</a>(<a href="/source/s?defs=options">options</a> *<a href="/source/s?defs=specified">specified</a>, <b>char</b> *<a href="/source/s?defs=opstr">opstr</a>)
<a class="l" name="98">     98 </a>{
<a class="l" name="99">     99 </a>	<a href="/source/s?defs=options">options</a> <a href="/source/s?defs=c_op">c_op</a>;
<a class="hl" name="100">    100 </a>	<b>int</b> <a href="/source/s?defs=ret">ret</a>;
<a class="l" name="101">    101 </a>
<a class="l" name="102">    102 </a>	<a href="/source/s?defs=set_options_mask">set_options_mask</a>(&amp;<a href="/source/s?defs=c_op">c_op</a>, <a href="/source/s?defs=opstr">opstr</a>);
<a class="l" name="103">    103 </a>	<b>if</b> ((<a href="/source/s?defs=ret">ret</a> = <a href="/source/s?defs=compare_options_mask">compare_options_mask</a>(&amp;<a href="/source/s?defs=c_op">c_op</a>, <a href="/source/s?defs=specified">specified</a>)) != <span class="n">0</span>) {
<a class="l" name="104">    104 </a>		<a href="/source/s?defs=err_msg">err_msg</a>(
<a class="l" name="105">    105 </a>		    <a href="/source/s?defs=gettext">gettext</a>(<span class="s">"Option %c is not defined for this operation.\n"</span>),
<a class="l" name="106">    106 </a>		    (<b>char</b>)<a href="/source/s?defs=ret">ret</a>);
<a class="l" name="107">    107 </a>		<a href="/source/s?defs=print_usage">print_usage</a>();
<a class="l" name="108">    108 </a>	}
<a class="l" name="109">    109 </a>}
<a class="hl" name="110">    110 </a>
<a class="l" name="111">    111 </a><a href="/source/s?defs=LibHalContext">LibHalContext</a> *
<a class="l" name="112">    112 </a><a href="/source/s?defs=attach_to_hald">attach_to_hald</a>(<b>void</b>)
<a class="l" name="113">    113 </a>{
<a class="l" name="114">    114 </a>	<a href="/source/s?defs=LibHalContext">LibHalContext</a> *<a href="/source/s?defs=ctx">ctx</a> = <a href="/source/s?defs=NULL">NULL</a>;
<a class="l" name="115">    115 </a>	<a href="/source/s?defs=DBusConnection">DBusConnection</a> *<a href="/source/s?defs=con">con</a> = <a href="/source/s?defs=NULL">NULL</a>;
<a class="l" name="116">    116 </a>	<a href="/source/s?defs=DBusError">DBusError</a> <a href="/source/s?defs=error">error</a>;
<a class="l" name="117">    117 </a>	<a href="/source/s?defs=hal_state_t">hal_state_t</a> <a href="/source/s?defs=state">state</a>;
<a class="l" name="118">    118 </a>
<a class="l" name="119">    119 </a>	<span class="c">/* Initialize the dbus error states */</span>
<a class="hl" name="120">    120 </a>	<a href="/source/s?defs=dbus_error_init">dbus_error_init</a>(&amp;<a href="/source/s?defs=error">error</a>);
<a class="l" name="121">    121 </a>
<a class="l" name="122">    122 </a>	<b>if</b> ((<a href="/source/s?defs=con">con</a> = <a href="/source/s?defs=dbus_bus_get">dbus_bus_get</a>(<a href="/source/s?defs=DBUS_BUS_SYSTEM">DBUS_BUS_SYSTEM</a>, &amp;<a href="/source/s?defs=error">error</a>)) == <a href="/source/s?defs=NULL">NULL</a>) {
<a class="l" name="123">    123 </a>		<b>return</b> (<a href="/source/s?defs=NULL">NULL</a>);
<a class="l" name="124">    124 </a>	}
<a class="l" name="125">    125 </a>	<a href="/source/s?defs=state">state</a> = <a href="/source/s?defs=DBUS_CONNECTION">DBUS_CONNECTION</a>;
<a class="l" name="126">    126 </a>
<a class="l" name="127">    127 </a>	<span class="c">/* Allocate a new hal context to work with the dbus */</span>
<a class="l" name="128">    128 </a>	<b>if</b> ((<a href="/source/s?defs=ctx">ctx</a> = <a href="/source/s?defs=libhal_ctx_new">libhal_ctx_new</a>()) == <a href="/source/s?defs=NULL">NULL</a>)
<a class="l" name="129">    129 </a>		<b>return</b> (<a href="/source/s?defs=NULL">NULL</a>);
<a class="hl" name="130">    130 </a>	<a href="/source/s?defs=state">state</a> = <a href="/source/s?defs=HAL_CONTEXT">HAL_CONTEXT</a>;
<a class="l" name="131">    131 </a>
<a class="l" name="132">    132 </a>	<span class="c">/* Pair up the context with the connection */</span>
<a class="l" name="133">    133 </a>	<b>if</b> (!<a href="/source/s?defs=libhal_ctx_set_dbus_connection">libhal_ctx_set_dbus_connection</a>(<a href="/source/s?defs=ctx">ctx</a>, <a href="/source/s?defs=con">con</a>))
<a class="l" name="134">    134 </a>		<b>goto</b> <a href="/source/s?defs=fail">fail</a>;
<a class="l" name="135">    135 </a>	<a href="/source/s?defs=state">state</a> = <a href="/source/s?defs=HAL_PAIRED">HAL_PAIRED</a>;
<a class="l" name="136">    136 </a>
<a class="l" name="137">    137 </a>	<span class="c">/* If libhal_ctx_init fails hald is not present */</span>
<a class="l" name="138">    138 </a>	<b>if</b> (!<a href="/source/s?defs=libhal_ctx_init">libhal_ctx_init</a>(<a href="/source/s?defs=ctx">ctx</a>, &amp;<a href="/source/s?defs=error">error</a>)) {
<a class="l" name="139">    139 </a>		<b>goto</b> <a href="/source/s?defs=fail">fail</a>;
<a class="hl" name="140">    140 </a>	}
<a class="l" name="141">    141 </a>	<a href="/source/s?defs=state">state</a> = <a href="/source/s?defs=HAL_INITIALIZED">HAL_INITIALIZED</a>;
<a class="l" name="142">    142 </a>
<a class="l" name="143">    143 </a>	<b>return</b> (<a href="/source/s?defs=ctx">ctx</a>);
<a class="l" name="144">    144 </a><a href="/source/s?defs=fail">fail</a>:
<a class="l" name="145">    145 </a>	<b>if</b> (<a href="/source/s?defs=dbus_error_is_set">dbus_error_is_set</a>(&amp;<a href="/source/s?defs=error">error</a>))
<a class="l" name="146">    146 </a>		<a href="/source/s?defs=dbus_error_free">dbus_error_free</a>(&amp;<a href="/source/s?defs=error">error</a>);
<a class="l" name="147">    147 </a>	<a href="/source/s?defs=detach_from_hald">detach_from_hald</a>(<a href="/source/s?defs=ctx">ctx</a>, <a href="/source/s?defs=state">state</a>);
<a class="l" name="148">    148 </a>	<b>return</b> (<a href="/source/s?defs=NULL">NULL</a>);
<a class="l" name="149">    149 </a>
<a class="hl" name="150">    150 </a>}
<a class="l" name="151">    151 </a>
<a class="l" name="152">    152 </a><b>void</b>
<a class="l" name="153">    153 </a><a href="/source/s?defs=detach_from_hald">detach_from_hald</a>(<a href="/source/s?defs=LibHalContext">LibHalContext</a> *<a href="/source/s?defs=ctx">ctx</a>, <a href="/source/s?defs=hal_state_t">hal_state_t</a> <a href="/source/s?defs=state">state</a>)
<a class="l" name="154">    154 </a>{
<a class="l" name="155">    155 </a>	<a href="/source/s?defs=DBusError">DBusError</a> <a href="/source/s?defs=error">error</a>;
<a class="l" name="156">    156 </a>	<a href="/source/s?defs=DBusConnection">DBusConnection</a> *<a href="/source/s?defs=con">con</a> = <a href="/source/s?defs=libhal_ctx_get_dbus_connection">libhal_ctx_get_dbus_connection</a>(<a href="/source/s?defs=ctx">ctx</a>);
<a class="l" name="157">    157 </a>
<a class="l" name="158">    158 </a>	<a href="/source/s?defs=dbus_error_init">dbus_error_init</a>(&amp;<a href="/source/s?defs=error">error</a>);
<a class="l" name="159">    159 </a>
<a class="hl" name="160">    160 </a>	<b>switch</b> (<a href="/source/s?defs=state">state</a>) {
<a class="l" name="161">    161 </a>	<b>case</b> <a href="/source/s?defs=HAL_INITIALIZED">HAL_INITIALIZED</a>:
<a class="l" name="162">    162 </a>		<b>if</b> (<a href="/source/s?defs=libhal_ctx_shutdown">libhal_ctx_shutdown</a>(<a href="/source/s?defs=ctx">ctx</a>, &amp;<a href="/source/s?defs=error">error</a>) == <a href="/source/s?defs=FALSE">FALSE</a>)
<a class="l" name="163">    163 </a>			<b>if</b> (<a href="/source/s?defs=dbus_error_is_set">dbus_error_is_set</a>(&amp;<a href="/source/s?defs=error">error</a>))
<a class="l" name="164">    164 </a>				<a href="/source/s?defs=dbus_error_free">dbus_error_free</a>(&amp;<a href="/source/s?defs=error">error</a>);
<a class="l" name="165">    165 </a>	<span class="c">/*FALLTHROUGH*/</span>
<a class="l" name="166">    166 </a>	<b>case</b> <a href="/source/s?defs=HAL_PAIRED">HAL_PAIRED</a>:
<a class="l" name="167">    167 </a>		(<b>void</b>) <a href="/source/s?defs=libhal_ctx_free">libhal_ctx_free</a>(<a href="/source/s?defs=ctx">ctx</a>);
<a class="l" name="168">    168 </a>		<a href="/source/s?defs=dbus_connection_unref">dbus_connection_unref</a>(<a href="/source/s?defs=con">con</a>);
<a class="l" name="169">    169 </a>		<b>break</b>;
<a class="hl" name="170">    170 </a>	<b>case</b> <a href="/source/s?defs=HAL_CONTEXT">HAL_CONTEXT</a>:
<a class="l" name="171">    171 </a>		(<b>void</b>) <a href="/source/s?defs=libhal_ctx_free">libhal_ctx_free</a>(<a href="/source/s?defs=ctx">ctx</a>);
<a class="l" name="172">    172 </a>		<b>break</b>;
<a class="l" name="173">    173 </a>	<b>case</b> <a href="/source/s?defs=DBUS_CONNECTION">DBUS_CONNECTION</a>:
<a class="l" name="174">    174 </a>	<b>default</b>:
<a class="l" name="175">    175 </a>		<b>break</b>;
<a class="l" name="176">    176 </a>	}
<a class="l" name="177">    177 </a>}
<a class="l" name="178">    178 </a>
<a class="l" name="179">    179 </a><span class="c">/*
<a class="hl" name="180">    180 </a> * This function returns one if hald is running and
<a class="l" name="181">    181 </a> * zero if hald is not running
<a class="l" name="182">    182 </a> */</span>
<a class="l" name="183">    183 </a><b>int</b>
<a class="l" name="184">    184 </a><a href="/source/s?defs=hald_running">hald_running</a>(<b>void</b>)
<a class="l" name="185">    185 </a>{
<a class="l" name="186">    186 </a>	<a href="/source/s?defs=LibHalContext">LibHalContext</a> *<a href="/source/s?defs=ctx">ctx</a>;
<a class="l" name="187">    187 </a>
<a class="l" name="188">    188 </a>	<b>if</b> ((<a href="/source/s?defs=ctx">ctx</a> = <a href="/source/s?defs=attach_to_hald">attach_to_hald</a>()) == <a href="/source/s?defs=NULL">NULL</a>)
<a class="l" name="189">    189 </a>		<b>return</b> (<span class="n">0</span>);
<a class="hl" name="190">    190 </a>
<a class="l" name="191">    191 </a>	<a href="/source/s?defs=detach_from_hald">detach_from_hald</a>(<a href="/source/s?defs=ctx">ctx</a>, <a href="/source/s?defs=HAL_INITIALIZED">HAL_INITIALIZED</a>);
<a class="l" name="192">    192 </a>	<b>return</b> (<span class="n">1</span>);
<a class="l" name="193">    193 </a>}
<a class="l" name="194">    194 </a>
<a class="l" name="195">    195 </a><b>int</b>
<a class="l" name="196">    196 </a><a href="/source/s?defs=setup_target">setup_target</a>(<b>int</b> <a href="/source/s?defs=flag">flag</a>)
<a class="l" name="197">    197 </a>{
<a class="l" name="198">    198 </a>	<b>char</b> *<a href="/source/s?defs=devpath">devpath</a>;
<a class="l" name="199">    199 </a>
<a class="hl" name="200">    200 </a>	<b>if</b> (<a href="/source/s?defs=tgtdev">tgtdev</a> != <a href="/source/s?defs=NULL">NULL</a>) {
<a class="l" name="201">    201 </a>		<a href="/source/s?defs=devpath">devpath</a> = (<b>char</b> *)<a href="/source/s?defs=my_zalloc">my_zalloc</a>(<a href="/source/s?defs=PATH_MAX">PATH_MAX</a>);
<a class="l" name="202">    202 </a>		<b>if</b> (<a href="/source/s?defs=lookup_device">lookup_device</a>(<a href="/source/s?defs=tgtdev">tgtdev</a>, <a href="/source/s?defs=devpath">devpath</a>)) {
<a class="l" name="203">    203 </a>			<a href="/source/s?defs=target">target</a> = <a href="/source/s?defs=get_device">get_device</a>(<a href="/source/s?defs=tgtdev">tgtdev</a>, <a href="/source/s?defs=devpath">devpath</a>);
<a class="l" name="204">    204 </a>		}
<a class="l" name="205">    205 </a>		<a href="/source/s?defs=free">free</a>(<a href="/source/s?defs=devpath">devpath</a>);
<a class="l" name="206">    206 </a>		<b>if</b> (<a href="/source/s?defs=target">target</a> == <a href="/source/s?defs=NULL">NULL</a>) {
<a class="l" name="207">    207 </a>			<b>return</b> (<span class="n">0</span>);
<a class="l" name="208">    208 </a>		}
<a class="l" name="209">    209 </a>		<b>return</b> (<span class="n">1</span>);
<a class="hl" name="210">    210 </a>	}
<a class="l" name="211">    211 </a>	<b>return</b> (<a href="/source/s?defs=scan_for_cd_device">scan_for_cd_device</a>(<a href="/source/s?defs=flag">flag</a>, &amp;<a href="/source/s?defs=target">target</a>));
<a class="l" name="212">    212 </a>}
<a class="l" name="213">    213 </a>
<a class="l" name="214">    214 </a><b>int</b>
<a class="l" name="215">    215 </a><a href="/source/s?defs=main">main</a>(<b>int</b> <a href="/source/s?defs=argc">argc</a>, <b>char</b> **<a href="/source/s?defs=argv">argv</a>)
<a class="l" name="216">    216 </a>{
<a class="l" name="217">    217 </a>	<b>int</b>		c;
<a class="l" name="218">    218 </a>	<b>int</b>		<a href="/source/s?defs=operations">operations</a>;
<a class="l" name="219">    219 </a>	<a href="/source/s?defs=options">options</a>		<a href="/source/s?defs=specified_ops">specified_ops</a>;
<a class="hl" name="220">    220 </a>	<b>int</b>		<a href="/source/s?defs=aflag">aflag</a>, <a href="/source/s?defs=iflag">iflag</a>, <a href="/source/s?defs=Mflag">Mflag</a>, <a href="/source/s?defs=Lflag">Lflag</a>, <a href="/source/s?defs=lflag">lflag</a>, <a href="/source/s?defs=bflag">bflag</a>, <a href="/source/s?defs=xflag">xflag</a>;