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Add losetup to NSH

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1243 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2008-11-15 17:42:49 +00:00
parent d6aa80bbd0
commit c8f205d2c5
7 changed files with 239 additions and 54 deletions
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ChangeLog
+2 -1
View File
@@ -553,4 +553,5 @@
* Added a block to character (BCH) driver. This is kind of the reverse of the loop * Added a block to character (BCH) driver. This is kind of the reverse of the loop
device; it allows you access a block device like a character device. device; it allows you access a block device like a character device.
* Added strcasecmp() and strncasecmp() * Added strcasecmp() and strncasecmp()
* NSH: Added 'dd' command * NSH: Added the 'dd' command
* NSH: Added the 'losetup' command
Documentation/NuttShell.html
+81 -43
View File
@@ -1,6 +1,6 @@
<html> <html>
<head> <head>
<title>NuttX</title> <title>NuttShell</title>
</head> </head>
<body background="backgd.gif"> <body background="backgd.gif">
<hr><hr> <hr><hr>
@@ -149,127 +149,133 @@
<tr> <tr>
<td><br></td> <td><br></td>
<td> <td>
<a href="#cmdls">2.12 List Directory Contents (ls)</a> <a href="#cmdlosetup">2.12 Setup/teardown the Loop Device (losetup)</a>
</td> </td>
</tr> </tr>
<tr> <tr>
<td><br></td> <td><br></td>
<td> <td>
<a href="#cmdmbhw">2.13 Access Memory (mb, mh, and mw)</a> <a href="#cmdls">2.13 List Directory Contents (ls)</a>
</td> </td>
</tr> </tr>
<tr> <tr>
<td><br></td> <td><br></td>
<td> <td>
<a href="#cmdmem">2.14 Show Memory Manager Status (mem)</a> <a href="#cmdmbhw">2.14 Access Memory (mb, mh, and mw)</a>
</td> </td>
</tr> </tr>
<tr> <tr>
<td><br></td> <td><br></td>
<td> <td>
<a href="#cmdps">2.15 Show Current Tasks and Threads (ps)</a> <a href="#cmdmem">2.15 Show Memory Manager Status (mem)</a>
</td> </td>
</tr> </tr>
<tr> <tr>
<td><br></td> <td><br></td>
<td> <td>
<a href="#cmdmkdir">2.16 Create a Directory (mkdir)</a> <a href="#cmdps">2.16 Show Current Tasks and Threads (ps)</a>
</td> </td>
</tr> </tr>
<tr> <tr>
<td><br></td> <td><br></td>
<td> <td>
<a href="#cmdmkfatfs">2.17 Create a FAT Filesystem (mkfatfs)</a> <a href="#cmdmkdir">2.17 Create a Directory (mkdir)</a>
</td> </td>
</tr> </tr>
<tr> <tr>
<td><br></td> <td><br></td>
<td> <td>
<a href="#cmdmkfifo">2.18 Create a FIFO (mkfifo)</a> <a href="#cmdmkfatfs">2.18 Create a FAT Filesystem (mkfatfs)</a>
</td> </td>
</tr> </tr>
<tr> <tr>
<td><br></td> <td><br></td>
<td> <td>
<a href="#cmdmkrd">2.19 Create a RAMDISK (mkrd)</a> <a href="#cmdmkfifo">2.19 Create a FIFO (mkfifo)</a>
</td> </td>
</tr> </tr>
<tr> <tr>
<td><br></td> <td><br></td>
<td> <td>
<a href="#cmdmount">2.20 Mount a File System (mount)</a> <a href="#cmdmkrd">2.20 Create a RAMDISK (mkrd)</a>
</td> </td>
</tr> </tr>
<tr> <tr>
<td><br></td> <td><br></td>
<td> <td>
<a href="#cmdping">2.21 Check Network Peer (ping)</a> <a href="#cmdmount">2.21 Mount a File System (mount)</a>
</td> </td>
</tr> </tr>
<tr> <tr>
<td><br></td> <td><br></td>
<td> <td>
<a href="#cmdput">2.22 Send File Via TFTP (put)</a> <a href="#cmdping">2.22 Check Network Peer (ping)</a>
</td> </td>
</tr> </tr>
<tr> <tr>
<td><br></td> <td><br></td>
<td> <td>
<a href="#cmdpwd">2.23 Show Current Working Directory (pwd)</a> <a href="#cmdput">2.23 Send File Via TFTP (put)</a>
</td> </td>
</tr> </tr>
<tr> <tr>
<td><br></td> <td><br></td>
<td> <td>
<a href="#cmdrm">2.24 Remove a File (rm)</a> <a href="#cmdpwd">2.24 Show Current Working Directory (pwd)</a>
</td> </td>
</tr> </tr>
<tr> <tr>
<td><br></td> <td><br></td>
<td> <td>
<a href="#cmdrmdir">2.25 Remove a Directory (rmdir)</a> <a href="#cmdrm">2.25 Remove a File (rm)</a>
</td> </td>
</tr> </tr>
<tr> <tr>
<td><br></td> <td><br></td>
<td> <td>
<a href="#cmdset">2.26 Set an Environment Variable (set)</a> <a href="#cmdrmdir">2.26 Remove a Directory (rmdir)</a>
</td> </td>
</tr> </tr>
<tr> <tr>
<td><br></td> <td><br></td>
<td> <td>
<a href="#cmdsh">2.27 Execute an NSH Script (sh)</a> <a href="#cmdset">2.27 Set an Environment Variable (set)</a>
</td> </td>
</tr> </tr>
<tr> <tr>
<td><br></td> <td><br></td>
<td> <td>
<a href="#cmdsleep">2.28 Wait for Seconds (sleep)</a> <a href="#cmdsh">2.28 Execute an NSH Script (sh)</a>
</td> </td>
</tr> </tr>
<tr> <tr>
<td><br></td> <td><br></td>
<td> <td>
<a href="#cmdunmount">2.29 Unmount a File System (umount)</a> <a href="#cmdsleep">2.29 Wait for Seconds (sleep)</a>
</td> </td>
</tr> </tr>
<tr> <tr>
<td><br></td> <td><br></td>
<td> <td>
<a href="#cmdunset">2.30 Unset an Environment Variable (unset)</a> <a href="#cmdunmount">2.30 Unmount a File System (umount)</a>
</td> </td>
</tr> </tr>
<tr> <tr>
<td><br></td> <td><br></td>
<td> <td>
<a href="#cmdusleep">2.31 Wait for Microseconds (usleep)</a> <a href="#cmdunset">2.31 Unset an Environment Variable (unset)</a>
</td> </td>
</tr> </tr>
<tr> <tr>
<td><br></td> <td><br></td>
<td> <td>
<a href="#cmdxd">2.32 Hexadecimal Dump (xd)</a> <a href="#cmdusleep">2.32 Wait for Microseconds (usleep)</a>
</td>
</tr>
<tr>
<td><br></td>
<td>
<a href="#cmdxd">2.33 Hexadecimal Dump (xd)</a>
</td> </td>
</tr> </tr>
<tr> <tr>
@@ -936,7 +942,33 @@ eth0 HWaddr 00:18:11:80:10:06
<table width ="100%"> <table width ="100%">
<tr bgcolor="#e4e4e4"> <tr bgcolor="#e4e4e4">
<td> <td>
<a name="cmdls"><h2>2.12 List Directory Contents (ls)</h2></a> <a name="cmdlosetup"><h2>2.12 Setup/teardown the Loop Device (losetup)</h2></a>
</td>
</tr>
</table>
<a <p><b>Command Syntax 1:</b></p>
<ul><pre>
losetup [-o <offset>] [-r] &lt;dev-path&gt; &lt;file-path&gt;
</pre></ul>
<p>
<b>Synopsis</b>.
Setup the loop device at &lt;dev-path&gt; to access the file at &lt;file-path&gt; as a block device:
</p>
<a <p><b>Command Syntax 2:</b></p>
<ul><pre>
losetup d &lt;dev-path&gt;
</pre></ul>
<p>
<b>Synopsis</b>.
Teardown the setup for the loop device at &lt;dev-path&gt;.
</p>
<table width ="100%">
<tr bgcolor="#e4e4e4">
<td>
<a name="cmdls"><h2>2.13 List Directory Contents (ls)</h2></a>
</td> </td>
</tr> </tr>
</table> </table>
@@ -973,7 +1005,7 @@ ls [-lRs] &lt;dir-path&gt;
<table width ="100%"> <table width ="100%">
<tr bgcolor="#e4e4e4"> <tr bgcolor="#e4e4e4">
<td> <td>
<a name="cmdmbhw"><h2>2.13 Access Memory (mb, mh, and mw)</h2></a> <a name="cmdmbhw"><h2>2.14 Access Memory (mb, mh, and mw)</h2></a>
</td> </td>
</tr> </tr>
</table> </table>
@@ -1027,7 +1059,7 @@ nsh&gt;
<table width ="100%"> <table width ="100%">
<tr bgcolor="#e4e4e4"> <tr bgcolor="#e4e4e4">
<td> <td>
<a name="cmdmem"><h2>2.14 Show Memory Manager Status (mem)</h2></a> <a name="cmdmem"><h2>2.15 Show Memory Manager Status (mem)</h2></a>
</td> </td>
</tr> </tr>
</table> </table>
@@ -1076,7 +1108,7 @@ nsh&gt;
<table width ="100%"> <table width ="100%">
<tr bgcolor="#e4e4e4"> <tr bgcolor="#e4e4e4">
<td> <td>
<a name="cmdps"><h2>2.15 Show Current Tasks and Threads (ps)</h2></a> <a name="cmdps"><h2>2.16 Show Current Tasks and Threads (ps)</h2></a>
</td> </td>
</tr> </tr>
</table> </table>
@@ -1102,7 +1134,7 @@ nsh&gt;
<table width ="100%"> <table width ="100%">
<tr bgcolor="#e4e4e4"> <tr bgcolor="#e4e4e4">
<td> <td>
<a name="cmdmkdir"><h2>2.16 Create a Directory (mkdir)</h2></a> <a name="cmdmkdir"><h2>2.17 Create a Directory (mkdir)</h2></a>
</td> </td>
</tr> </tr>
</table> </table>
@@ -1137,7 +1169,7 @@ nsh>
<table width ="100%"> <table width ="100%">
<tr bgcolor="#e4e4e4"> <tr bgcolor="#e4e4e4">
<td> <td>
<a name="cmdmkfatfs"><h2>2.17 Create a FAT Filesystem (mkfatfs)</h2></a> <a name="cmdmkfatfs"><h2>2.18 Create a FAT Filesystem (mkfatfs)</h2></a>
</td> </td>
</tr> </tr>
</table> </table>
@@ -1157,7 +1189,7 @@ mkfatfs &lt;path&gt;
<table width ="100%"> <table width ="100%">
<tr bgcolor="#e4e4e4"> <tr bgcolor="#e4e4e4">
<td> <td>
<a name="cmdmkfifo"><h2>2.18 Create a FIFO (mkfifo)</h2></a> <a name="cmdmkfifo"><h2>2.19 Create a FIFO (mkfifo)</h2></a>
</td> </td>
</tr> </tr>
</table> </table>
@@ -1195,7 +1227,7 @@ nsh>
<table width ="100%"> <table width ="100%">
<tr bgcolor="#e4e4e4"> <tr bgcolor="#e4e4e4">
<td> <td>
<a name="cmdmkrd"><h2>2.19 Create a RAMDISK (mkrd)</h2></a> <a name="cmdmkrd"><h2>2.20 Create a RAMDISK (mkrd)</h2></a>
</td> </td>
</tr> </tr>
</table> </table>
@@ -1246,7 +1278,7 @@ nsh&gt;
<table width ="100%"> <table width ="100%">
<tr bgcolor="#e4e4e4"> <tr bgcolor="#e4e4e4">
<td> <td>
<a name="cmdmount"><h2>2.20 Mount a File System (mount)</h2></a> <a name="cmdmount"><h2>2.21 Mount a File System (mount)</h2></a>
</td> </td>
</tr> </tr>
</table> </table>
@@ -1313,7 +1345,7 @@ nsh>
<table width ="100%"> <table width ="100%">
<tr bgcolor="#e4e4e4"> <tr bgcolor="#e4e4e4">
<td> <td>
<a name="cmdping"><h2>2.21 Check Network Peer (ping)</h2></a> <a name="cmdping"><h2>2.22 Check Network Peer (ping)</h2></a>
</td> </td>
</tr> </tr>
</table> </table>
@@ -1346,7 +1378,7 @@ nsh&gt;
<table width ="100%"> <table width ="100%">
<tr bgcolor="#e4e4e4"> <tr bgcolor="#e4e4e4">
<td> <td>
<a name="cmdput"><h2>2.22 Send File Via TFTP (put)</h2></a> <a name="cmdput"><h2>2.23 Send File Via TFTP (put)</h2></a>
</td> </td>
</tr> </tr>
</table> </table>
@@ -1381,7 +1413,7 @@ put [-b|-n] [-f &lt;remote-path&gt;] -h &lt;ip-address&gt; &lt;local-path&gt;
<table width ="100%"> <table width ="100%">
<tr bgcolor="#e4e4e4"> <tr bgcolor="#e4e4e4">
<td> <td>
<a name="cmdpwd"><h2>2.23 Show Current Working Directory (pwd)</h2></a> <a name="cmdpwd"><h2>2.24 Show Current Working Directory (pwd)</h2></a>
</td> </td>
</tr> </tr>
</table> </table>
@@ -1411,7 +1443,7 @@ nsh&gt;
<table width ="100%"> <table width ="100%">
<tr bgcolor="#e4e4e4"> <tr bgcolor="#e4e4e4">
<td> <td>
<a name="cmdrm"><h2>2.24 Remove a File (rm)</h2></a> <a name="cmdrm"><h2>2.25 Remove a File (rm)</h2></a>
</td> </td>
</tr> </tr>
</table> </table>
@@ -1445,7 +1477,7 @@ nsh>
<table width ="100%"> <table width ="100%">
<tr bgcolor="#e4e4e4"> <tr bgcolor="#e4e4e4">
<td> <td>
<a name="cmdrmdir"><h2>2.25 Remove a Directory (rmdir)</h2></a> <a name="cmdrmdir"><h2>2.26 Remove a Directory (rmdir)</h2></a>
</td> </td>
</tr> </tr>
</table> </table>
@@ -1480,7 +1512,7 @@ nsh>
<table width ="100%"> <table width ="100%">
<tr bgcolor="#e4e4e4"> <tr bgcolor="#e4e4e4">
<td> <td>
<a name="cmdset"><h2>2.26 Set an Environment Variable (set)</h2></a> <a name="cmdset"><h2>2.27 Set an Environment Variable (set)</h2></a>
</td> </td>
</tr> </tr>
</table> </table>
@@ -1506,7 +1538,7 @@ nsh&gt;
<table width ="100%"> <table width ="100%">
<tr bgcolor="#e4e4e4"> <tr bgcolor="#e4e4e4">
<td> <td>
<a name="cmdsh"><h2>2.27 Execute an NSH Script (sh)</h2></a> <a name="cmdsh"><h2>2.28 Execute an NSH Script (sh)</h2></a>
</td> </td>
</tr> </tr>
</table> </table>
@@ -1524,7 +1556,7 @@ sh &lt;script-path&gt;
<table width ="100%"> <table width ="100%">
<tr bgcolor="#e4e4e4"> <tr bgcolor="#e4e4e4">
<td> <td>
<a name="cmdsleep"><h2>2.28 Wait for Seconds (sleep)</h2></a> <a name="cmdsleep"><h2>2.29 Wait for Seconds (sleep)</h2></a>
</td> </td>
</tr> </tr>
</table> </table>
@@ -1541,7 +1573,7 @@ sleep &lt;sec&gt;
<table width ="100%"> <table width ="100%">
<tr bgcolor="#e4e4e4"> <tr bgcolor="#e4e4e4">
<td> <td>
<a name="cmdunmount"><h2>2.29 Unmount a File System (umount)</h2></a> <a name="cmdunmount"><h2>2.30 Unmount a File System (umount)</h2></a>
</td> </td>
</tr> </tr>
</table> </table>
@@ -1571,7 +1603,7 @@ nsh>
<table width ="100%"> <table width ="100%">
<tr bgcolor="#e4e4e4"> <tr bgcolor="#e4e4e4">
<td> <td>
<a name="cmdunset"><h2>2.30 Unset an Environment Variable (unset)</h2></a> <a name="cmdunset"><h2>2.31 Unset an Environment Variable (unset)</h2></a>
</td> </td>
</tr> </tr>
</table> </table>
@@ -1597,7 +1629,7 @@ nsh&gt;
<table width ="100%"> <table width ="100%">
<tr bgcolor="#e4e4e4"> <tr bgcolor="#e4e4e4">
<td> <td>
<a name="cmdusleep"><h2>2.31 Wait for Microseconds (usleep)</h2></a> <a name="cmdusleep"><h2>2.32 Wait for Microseconds (usleep)</h2></a>
</td> </td>
</tr> </tr>
</table> </table>
@@ -1614,7 +1646,7 @@ usleep &lt;usec&gt;
<table width ="100%"> <table width ="100%">
<tr bgcolor="#e4e4e4"> <tr bgcolor="#e4e4e4">
<td> <td>
<a name="cmdxd"><h2>2.32 Hexadecimal dump (xd)</h2></a> <a name="cmdxd"><h2>2.33 Hexadecimal dump (xd)</h2></a>
</td> </td>
</tr> </tr>
</table> </table>
@@ -1733,6 +1765,11 @@ nsh>
<td><code>CONFIG_NET</code></td> <td><code>CONFIG_NET</code></td>
<td><code>CONFIG_EXAMPLES_NSH_DISABLE_IFCONFIG</code></td> <td><code>CONFIG_EXAMPLES_NSH_DISABLE_IFCONFIG</code></td>
</tr> </tr>
<tr>
<td><b><code>losetup</code></b></td>
<td>!<code>CONFIG_DISABLE_MOUNTPOINT</code> &amp;&amp; <code>CONFIG_NFILE_DESCRIPTORS</code> &gt; 0</td>
<td><code>CONFIG_EXAMPLES_NSH_DISABLE_LOSETUP</code></td>
</tr>
<tr> <tr>
<td><b><code>ls</code></b></td> <td><b><code>ls</code></b></td>
<td><code>CONFIG_NFILE_DESCRIPTORS</code> &gt; 0</td> <td><code>CONFIG_NFILE_DESCRIPTORS</code> &gt; 0</td>
@@ -2159,6 +2196,7 @@ nsh>
<li><a href="#cmdhelp"><code>help</code></a></li> <li><a href="#cmdhelp"><code>help</code></a></li>
<li><a href="#conditional"><code>if-then[-else]-fi</code></a></li> <li><a href="#conditional"><code>if-then[-else]-fi</code></a></li>
<li><a href="#cmdifconfig"><code>ifconfig</code></a></li> <li><a href="#cmdifconfig"><code>ifconfig</code></a></li>
<li><a href="#cmdlosetup"><code>losetup</code></a></li>
<li><a href="#cmdls">ls</code></a></li> <li><a href="#cmdls">ls</code></a></li>
<li><a href="#cmdmbhw"><code>mb</code></a></li> <li><a href="#cmdmbhw"><code>mb</code></a></li>
<li><a href="#cmdmbhw"><code>mh</code></a></li> <li><a href="#cmdmbhw"><code>mh</code></a></li>
Documentation/NuttX.html
+2 -1
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@@ -1195,7 +1195,8 @@ nuttx-0.3.18 2008-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;
into very small memory footprints. into very small memory footprints.
* Added a block to character (BCH) driver. This is kind of the reverse of the loop * Added a block to character (BCH) driver. This is kind of the reverse of the loop
device; it allows you access a block device like a character device. device; it allows you access a block device like a character device.
* NSH: Added 'dd' command * NSH: Added the 'dd' command
* NSH: Added the 'losetup' command
pascal-0.1.3 2008-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt; pascal-0.1.3 2008-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;
examples/nsh/README.txt
+23 -9
View File
@@ -328,6 +328,19 @@ o ifconfig
if uIP statistics are enabled (CONFIG_NET_STATISTICS), then if uIP statistics are enabled (CONFIG_NET_STATISTICS), then
this command will also show the detailed state of uIP. this command will also show the detailed state of uIP.
o losetup [-d <dev-path>] | [[-o <offset>] [-r] <ldev-path> <file-path>]
Setup or teardown the loop device:
1. Teardown the setup for the loop device at <dev-path>:
losetup d <dev-path>
2. Setup the loop device at <dev-path> to access the file at <file-path>
as a block device:
losetup [-o <offset>] [-r] <dev-path> <file-path>
o ls [-lRs] <dir-path> o ls [-lRs] <dir-path>
Show the contents of the directory at <dir-path>. NOTE: Show the contents of the directory at <dir-path>. NOTE:
@@ -721,6 +734,7 @@ Command Dependencies on Configuration Settings
get CONFIG_NET && CONFIG_NET_UDP && CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NET_BUFSIZE >= 558 (see note 1) get CONFIG_NET && CONFIG_NET_UDP && CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NET_BUFSIZE >= 558 (see note 1)
help -- help --
ifconfig CONFIG_NET ifconfig CONFIG_NET
losetup !CONFIG_DISABLE_MOUNTPOINT && CONFIG_NFILE_DESCRIPTORS > 0
ls CONFIG_NFILE_DESCRIPTORS > 0 ls CONFIG_NFILE_DESCRIPTORS > 0
mb,mh,mw --- mb,mh,mw ---
mem --- mem ---
@@ -762,15 +776,15 @@ also allow it to squeeze into very small memory footprints.
CONFIG_EXAMPLES_NSH_DISABLE_CAT, CONFIG_EXAMPLES_NSH_DISABLE_CD, CONFIG_EXAMPLES_NSH_DISABLE_CP, CONFIG_EXAMPLES_NSH_DISABLE_CAT, CONFIG_EXAMPLES_NSH_DISABLE_CD, CONFIG_EXAMPLES_NSH_DISABLE_CP,
CONFIG_EXAMPLES_NSH_DISABLE_DD, CONFIG_EXAMPLES_NSH_DISABLE_ECHO, CONFIG_EXAMPLES_NSH_DISABLE_EXEC, CONFIG_EXAMPLES_NSH_DISABLE_DD, CONFIG_EXAMPLES_NSH_DISABLE_ECHO, CONFIG_EXAMPLES_NSH_DISABLE_EXEC,
CONFIG_EXAMPLES_NSH_DISABLE_EXIT, CONFIG_EXAMPLES_NSH_DISABLE_GET, CONFIG_EXAMPLES_NSH_DISABLE_HELP, CONFIG_EXAMPLES_NSH_DISABLE_EXIT, CONFIG_EXAMPLES_NSH_DISABLE_GET, CONFIG_EXAMPLES_NSH_DISABLE_HELP,
CONFIG_EXAMPLES_NSH_DISABLE_IFCONFIG, CONFIG_EXAMPLES_NSH_DISABLE_LS, CONFIG_EXAMPLES_NSH_DISABLE_MB, CONFIG_EXAMPLES_NSH_DISABLE_IFCONFIG, CONFIG_EXAMPLES_NSH_DISABLE_LOSETUP, CONFIG_EXAMPLES_NSH_DISABLE_LS,
CONFIG_EXAMPLES_NSH_DISABLE_MEM, CONFIG_EXAMPLES_NSH_DISABLE_MKDIR, CONFIG_EXAMPLES_NSH_DISABLE_MKFATFS, CONFIG_EXAMPLES_NSH_DISABLE_MB, CONFIG_EXAMPLES_NSH_DISABLE_MEM, CONFIG_EXAMPLES_NSH_DISABLE_MKDIR,
CONFIG_EXAMPLES_NSH_DISABLE_MKFIFO, CONFIG_EXAMPLES_NSH_DISABLE_MKRD, CONFIG_EXAMPLES_NSH_DISABLE_MH, CONFIG_EXAMPLES_NSH_DISABLE_MKFATFS, CONFIG_EXAMPLES_NSH_DISABLE_MKFIFO, CONFIG_EXAMPLES_NSH_DISABLE_MKRD,
CONFIG_EXAMPLES_NSH_DISABLE_MOUNT, CONFIG_EXAMPLES_NSH_DISABLE_MW, CONFIG_EXAMPLES_NSH_DISABLE_PS, CONFIG_EXAMPLES_NSH_DISABLE_MH, CONFIG_EXAMPLES_NSH_DISABLE_MOUNT, CONFIG_EXAMPLES_NSH_DISABLE_MW,
CONFIG_EXAMPLES_NSH_DISABLE_PING, CONFIG_EXAMPLES_NSH_DISABLE_PUT, CONFIG_EXAMPLES_NSH_DISABLE_PWD, CONFIG_EXAMPLES_NSH_DISABLE_PS, CONFIG_EXAMPLES_NSH_DISABLE_PING, CONFIG_EXAMPLES_NSH_DISABLE_PUT,
CONFIG_EXAMPLES_NSH_DISABLE_RM, CONFIG_EXAMPLES_NSH_DISABLE_RMDIR, CONFIG_EXAMPLES_NSH_DISABLE_SET, CONFIG_EXAMPLES_NSH_DISABLE_PWD, CONFIG_EXAMPLES_NSH_DISABLE_RM, CONFIG_EXAMPLES_NSH_DISABLE_RMDIR,
CONFIG_EXAMPLES_NSH_DISABLE_SH, CONFIG_EXAMPLES_NSH_DISABLE_SLEEP, CONFIG_EXAMPLES_NSH_DISABLE_TEST, CONFIG_EXAMPLES_NSH_DISABLE_SET, CONFIG_EXAMPLES_NSH_DISABLE_SH, CONFIG_EXAMPLES_NSH_DISABLE_SLEEP,
CONFIG_EXAMPLES_NSH_DISABLE_UMOUNT, CONFIG_EXAMPLES_NSH_DISABLE_UNSET, CONFIG_EXAMPLES_NSH_DISABLE_USLEEP, CONFIG_EXAMPLES_NSH_DISABLE_TEST, CONFIG_EXAMPLES_NSH_DISABLE_UMOUNT, CONFIG_EXAMPLES_NSH_DISABLE_UNSET,
CONFIG_EXAMPLES_NSH_DISABLE_XD CONFIG_EXAMPLES_NSH_DISABLE_USLEEP, CONFIG_EXAMPLES_NSH_DISABLE_XD
NSH-Specific Configuration Settings NSH-Specific Configuration Settings
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
examples/nsh/nsh.h
+3
View File
@@ -378,6 +378,9 @@ extern int cmd_lbracket(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
# endif # endif
# endif /* CONFIG_NFILE_STREAMS && !CONFIG_EXAMPLES_NSH_DISABLESCRIPT */ # endif /* CONFIG_NFILE_STREAMS && !CONFIG_EXAMPLES_NSH_DISABLESCRIPT */
# ifndef CONFIG_DISABLE_MOUNTPOINT # ifndef CONFIG_DISABLE_MOUNTPOINT
# ifndef CONFIG_EXAMPLES_NSH_DISABLE_LOSETUP
extern int cmd_losetup(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
# endif
# ifndef CONFIG_EXAMPLES_NSH_DISABLE_MKFIFO # ifndef CONFIG_EXAMPLES_NSH_DISABLE_MKFIFO
extern int cmd_mkfifo(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv); extern int cmd_mkfifo(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
# endif # endif
examples/nsh/nsh_fscmds.c
+122
View File
@@ -647,6 +647,128 @@ errout:
#endif #endif
#endif #endif
/****************************************************************************
* Name: cmd_losetup
****************************************************************************/
#if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_MOUNTPOINT)
#ifndef CONFIG_EXAMPLES_NSH_DISABLE_LOSETUP
int cmd_losetup(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
char *loopdev = NULL;
char *filepath = NULL;
boolean teardown = FALSE;
boolean readonly = FALSE;
off_t offset = 0;
int ret = ERROR;
int option;
/* Get the losetup options: Two forms are supported:
*
* losetup -d <loop-device>
* losetup [-o <offset>] [-r] <loop-device> <filename>
*
* NOTE that the -o and -r options are accepted with the -d option, but
* will be ignored.
*/
while ((option = getopt(argc, argv, "d:o:r")) != ERROR)
{
switch (option)
{
case 'd':
loopdev = nsh_getfullpath(vtbl, optarg);
teardown = TRUE;
break;
case 'o':
offset = atoi(optarg);
break;
case 'r':
readonly = TRUE;
break;
case '?':
default:
nsh_output(vtbl, g_fmtarginvalid, argv[0]);
return ERROR;
}
}
/* If this is not a tear down operation, then additional command line
* parameters are required.
*/
if (!teardown)
{
/* There must be two arguments on the command line after the options */
if (optind + 1 < argc)
{
loopdev = nsh_getfullpath(vtbl, argv[optind]);
optind++;
filepath = nsh_getfullpath(vtbl, argv[optind]);
optind++;
}
else
{
nsh_output(vtbl, g_fmtargrequired, argv[0]);
goto errout_with_paths;
}
}
/* There should be nothing else on the command line */
if (optind < argc)
{
nsh_output(vtbl, g_fmttoomanyargs, argv[0]);
goto errout_with_paths;
}
/* Perform the teardown operation */
if (teardown)
{
/* Tear down the loop device. */
ret = loteardown(loopdev);
if (ret < 0)
{
nsh_output(vtbl, g_fmtcmdfailed, argv[0], "loteardown", NSH_ERRNO_OF(-ret));
goto errout_with_paths;
}
}
else
{
/* Set up the loop device */
ret = losetup(loopdev, filepath, 512, offset, readonly);
if (ret < 0)
{
nsh_output(vtbl, g_fmtcmdfailed, argv[0], "losetup", NSH_ERRNO_OF(-ret));
goto errout_with_paths;
}
}
/* Free memory */
errout_with_paths:
if (loopdev)
{
free(loopdev);
}
if (filepath)
{
free(filepath);
}
return ret;
}
#endif
#endif
/**************************************************************************** /****************************************************************************
* Name: cmd_ls * Name: cmd_ls
****************************************************************************/ ****************************************************************************/
examples/nsh/nsh_main.c
+6
View File
@@ -188,6 +188,12 @@ static const struct cmdmap_s g_cmdmap[] =
# endif # endif
#endif #endif
#if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_MOUNTPOINT)
# ifndef CONFIG_EXAMPLES_NSH_DISABLE_LOSETUP
{ "losetup", cmd_losetup, 3, 6, "[-d <dev-path>] | [[-o <offset>] [-r] <dev-path> <file-path>]" },
# endif
#endif
#if CONFIG_NFILE_DESCRIPTORS > 0 #if CONFIG_NFILE_DESCRIPTORS > 0
# ifndef CONFIG_EXAMPLES_NSH_DISABLE_LS # ifndef CONFIG_EXAMPLES_NSH_DISABLE_LS
{ "ls", cmd_ls, 1, 5, "[-lRs] <dir-path>" }, { "ls", cmd_ls, 1, 5, "[-lRs] <dir-path>" },