<h1>FSCLIENT panic</h1>

<p>

Panics with this category are raised on clients requesting services provided by the

file server. Typically, they are caused by passing bad or contradictory values

to class constructors or member functions. 

</p>

<p>

The thread causing the panic is terminated.

</p>

<p>

To avoid confusion, we need to emphasise that the panic category is the

14 character string <em>FSCLIENT panic</em>, and that the word panic is

part of the panic category.

</p>

<code>0</code>

<p>

This panic is raised by: 

</p>

<p>

the <code>TDriveUnit(TInt aDrive)</code> variant of the

<a href="../reference-cpp/F32_EKA2/TDriveUnitClass.html#%3a%3aTDriveUnit" title="class TDriveUnit"><code class="ApiItem">TDriveUnit</code></a> constructor, 

</p>

<p>

the <code>(TInt aDrive)</code> variant of the

<a href="../reference-cpp/F32_EKA2/TDriveUnitClass.html#%3a%3aTDriveUnit" title="class TDriveUnit"><code class="ApiItem">TDriveUnit</code></a> assignment operator 

</p>

<p>

when the specified drive number is greater than or equal to

<code>KMaxDrives</code>, i.e. 26. 

</p>

<code>1</code>

<p>

This panic is raised by: 

</p>

<p>

the <code>TDriveUnit(const TDesC&amp; aDriveText)</code>

variant of the <a href="../reference-cpp/F32_EKA2/TDriveUnitClass.html#%3a%3aTDriveUnit" title="class TDriveUnit"><code class="ApiItem">TDriveUnit</code></a> constructor, 

</p>

<p>

the <code>(const TDesC&amp; aDriveText)</code> variant of the

<a href="../reference-cpp/F32_EKA2/TDriveUnitClass.html#%3a%3aTDriveUnit" title="class TDriveUnit"><code class="ApiItem">TDriveUnit</code></a> assignment operator 

</p>

<p>

when the specified drive letter is invalid, i.e. does not

correspond to a drive number. 

</p>

<code>2</code>

<p>

This panic is raised when searching for the next file using

<a href="../reference-cpp/F32_EKA2/TFindFileClass.html#%3a%3aTFindFile%3a%3aFind%28%29" title="function TFindFile::Find()"><code class="ApiItem">TFindFile::Find()</code></a> or

<a href="../reference-cpp/F32_EKA2/TFindFileClass.html#%3a%3aTFindFile%3a%3aFindWild%28%29" title="function TFindFile::FindWild()"><code class="ApiItem">TFindFile::FindWild()</code></a> before the initial call specifying

the search method. 

</p>

<p>

Calls to <a href="../reference-cpp/F32_EKA2/TFindFileClass.html#%3a%3aTFindFile%3a%3aFind%28%29" title="function TFindFile::Find()"><code class="ApiItem">TFindFile::Find()</code></a> cannot be made

until an initial call has been made to either of: 

</p>

<p>

<a href="../reference-cpp/F32_EKA2/TFindFileClass.html#%3a%3aTFindFile%3a%3aFindByDir%28%29" title="function TFindFile::FindByDir()"><code class="ApiItem">TFindFile::FindByDir()</code></a>

</p>

<p>

<a href="../reference-cpp/F32_EKA2/TFindFileClass.html#%3a%3aTFindFile%3a%3aFindByPath%28%29" title="function TFindFile::FindByPath()"><code class="ApiItem">TFindFile::FindByPath()</code></a>

</p>

<p>

Calls to <a href="../reference-cpp/F32_EKA2/TFindFileClass.html#%3a%3aTFindFile%3a%3aFindWild%28%29" title="function TFindFile::FindWild()"><code class="ApiItem">TFindFile::FindWild()</code></a> cannot be made

until an initial call has been made to either of: 

</p>

<p>

<a href="../reference-cpp/F32_EKA2/TFindFileClass.html#%3a%3aTFindFile%3a%3aFindWildByDir%28%29" title="function TFindFile::FindWildByDir()"><code class="ApiItem">TFindFile::FindWildByDir()</code></a>

</p>

<p>

<a href="../reference-cpp/F32_EKA2/TFindFileClass.html#%3a%3aTFindFile%3a%3aFindWildByPath%28%29" title="function TFindFile::FindWildByPath()"><code class="ApiItem">TFindFile::FindWildByPath()</code></a>

</p>

<code>3</code>

<p>

<em>Not used.</em>

</p>

<code>4</code>

<p>

<em>Not used.</em>

</p>

<code>5</code>

<p>

This panic is raised by a call to

<a href="../reference-cpp/F32_EKA2/TFileTextClass.html#%3a%3aTFileText%3a%3aSeek%28%29" title="function TFileText::Seek()"><code class="ApiItem">TFileText::Seek()</code></a> when the seek mode passed to the

function is neither <a href="../reference-cpp/F32_EKA2/TSeekEnum.html#%3a%3aTSeek" title="enum TSeek"><code class="ApiItem">TSeek</code></a><code>::ESeekStart</code> nor

<a href="../reference-cpp/F32_EKA2/TSeekEnum.html#%3a%3aTSeek" title="enum TSeek"><code class="ApiItem">TSeek</code></a><code>::ESeekEnd</code>. 

</p>

<code>6</code>

<p>

<em>Not used.</em>

</p>

<code>7</code>

</p>

<p>

<em>Not used.</em>

</p>

<code>8</code>

<p>

<em>Not used.</em>

</p>

<code>9</code>

<p>

<em>Not used.</em>

</p>

<code>10</code>

<p>

This panic is raised by the <a href="../reference-cpp/F32_EKA2/CFileManClass.html#%3a%3aCFileMan" title="class CFileMan"><code class="ApiItem">CFileMan</code></a>

implementation when the operation to be run is undefined. 

</p>

<code>11</code>

<p>

This panic is raised by

<a href="../reference-cpp/F32_EKA2/CFileBaseClass.html#%3a%3aCFileBase%3a%3aCurrentEntry%28%29" title="function CFileBase::CurrentEntry()"><code class="ApiItem">CFileBase::CurrentEntry()</code></a> if there is no current entry. 

</p>

<code>12</code>

<p>

The value returned by the file management observer functions: 

</p>

<p>

<a href="../reference-cpp/F32_EKA2/MFileManObserverClass.html#%3a%3aMFileManObserver%3a%3aNotifyFileManStarted%28%29" title="function MFileManObserver::NotifyFileManStarted()"><code class="ApiItem">MFileManObserver::NotifyFileManStarted()</code></a>

</p>

<p>

<a href="../reference-cpp/F32_EKA2/MFileManObserverClass.html#%3a%3aMFileManObserver%3a%3aNotifyFileManEnded%28%29" title="function MFileManObserver::NotifyFileManEnded()"><code class="ApiItem">MFileManObserver::NotifyFileManEnded()</code></a>

</p>

<p>

<a href="../reference-cpp/F32_EKA2/MFileManObserverClass.html#%3a%3aMFileManObserver%3a%3aNotifyFileManOperation%28%29" title="function MFileManObserver::NotifyFileManOperation()"><code class="ApiItem">MFileManObserver::NotifyFileManOperation()</code></a>

</p>

<p>

is not a valid <a href="../reference-cpp/F32_EKA2/MFileManObserverClass.html#%3a%3aMFileManObserver%3a%3aTControl" title="enum MFileManObserver::TControl"><code class="ApiItem">MFileManObserver::TControl</code></a> enum

value. 

</p>

<code>13</code>

<p>

<em>Not used.</em>

</p>

<code>14</code>

<p>

<em>Not used.</em>

</p>

<code>15</code>

<p>

<i>This panic is raised in debug builds only.</i>

</p>

<p>

This panic is raised in a call to

<a href="../reference-cpp/F32_EKA2/CDirScanClass.html#%3a%3aCDirScan%3a%3aSetScanDataL%28%29" title="function CDirScan::SetScanDataL()"><code class="ApiItem">CDirScan::SetScanDataL()</code></a> when the path does not contain at

least one '\' character. 

</p>

<code>16</code>

<p>

<em>Not used.</em>

</p>

<code>17</code>

<p>

This panic is raised by <a href="../reference-cpp/F32_EKA2/RFileClass.html#%3a%3aRFile%3a%3aLock%28%29" title="function RFile::Lock()"><code class="ApiItem">RFile::Lock()</code></a> when the

number of bytes defining the region to be locked is either zero or negative. 

</p>

<code>18</code>

<p>

This panic is raised by <a href="../reference-cpp/F32_EKA2/RFileClass.html#%3a%3aRFile%3a%3aUnLock%28%29" title="function RFile::UnLock()"><code class="ApiItem">RFile::UnLock()</code></a> when

the number of bytes defining the region to be unlocked is either zero or

negative. 

</p>

<code>19</code>

<p>

All variants of the <a href="../reference-cpp/F32_EKA2/RFileClass.html#%3a%3aRFile%3a%3aRead%28%29" title="function RFile::Read()"><code class="ApiItem">RFile::Read()</code></a> and

<a href="../reference-cpp/F32_EKA2/RFileClass.html#%3a%3aRFile%3a%3aWrite%28%29" title="function RFile::Write()"><code class="ApiItem">RFile::Write()</code></a> functions take an argument denoting an

offset value, in bytes, from the start of a file; the panic is raised by these

functions when the offset value is negative. 

</p>

<code>20</code>

<p>

This panic is raised by <a href="../reference-cpp/F32_EKA2/RFileClass.html#%3a%3aRFile%3a%3aSetSize%28%29" title="function RFile::SetSize()"><code class="ApiItem">RFile::SetSize()</code></a> when

the argument denoting the size of the new file is negative. 

</p>

<code>21</code>

<p>

This panic is raised by <a href="../reference-cpp/F32_EKA2/RFileClass.html#%3a%3aRFile%3a%3aSetAtt%28%29" title="function RFile::SetAtt()"><code class="ApiItem">RFile::SetAtt()</code></a> and

<a href="../reference-cpp/F32_EKA2/RFileClass.html#%3a%3aRFile%3a%3aSet%28%29" title="function RFile::Set()"><code class="ApiItem">RFile::Set()</code></a> when the same attribute bit is set in both

the bitmask that indicates the file attributes to be set and the bitmask that

indicates the attributes to be cleared. 

</p>

<code>22</code>

<p>

The panic is raised by the <code>[]</code> operator of

<a href="../reference-cpp/F32_EKA2/TEntryArrayClass.html#%3a%3aTEntryArray" title="class TEntryArray"><code class="ApiItem">TEntryArray</code></a>, when the index value passed to the operator

is greater than or equal to the number of elements in the array. 

</p>

<code>23</code>

<p>

This panic is raised by <a href="../reference-cpp/F32_EKA2/CDirClass.html#%3a%3aCDir%3a%3aSort%28%29" title="function CDir::Sort()"><code class="ApiItem">CDir::Sort()</code></a> when the

method of sorting, as defined by the single function argument, is none of the

entries: 

</p>

<p>

<a href="../reference-cpp/F32_EKA2/TEntryKeyEnum.html#%3a%3aTEntryKey" title="enum TEntryKey"><code class="ApiItem">TEntryKey</code></a><code>::ESortNone</code>

</p>

<p>

<a href="../reference-cpp/F32_EKA2/TEntryKeyEnum.html#%3a%3aTEntryKey" title="enum TEntryKey"><code class="ApiItem">TEntryKey</code></a><code>::ESortByDate</code>

</p>

<p>

<a href="../reference-cpp/F32_EKA2/TEntryKeyEnum.html#%3a%3aTEntryKey" title="enum TEntryKey"><code class="ApiItem">TEntryKey</code></a><code>::ESortBySize</code>

</p>

<p>

<a href="../reference-cpp/F32_EKA2/TEntryKeyEnum.html#%3a%3aTEntryKey" title="enum TEntryKey"><code class="ApiItem">TEntryKey</code></a><code>::ESortByExt</code>

</p>

<p>

<a href="../reference-cpp/F32_EKA2/TEntryKeyEnum.html#%3a%3aTEntryKey" title="enum TEntryKey"><code class="ApiItem">TEntryKey</code></a><code>::ESortByUid</code>

</p>

<p>

<a href="../reference-cpp/F32_EKA2/TEntryKeyEnum.html#%3a%3aTEntryKey" title="enum TEntryKey"><code class="ApiItem">TEntryKey</code></a><code>::ESortByName</code>

</p>

<code>24</code>

<p>

This panic is raised by the <a href="../reference-cpp/F32_EKA2/TParsePtrClass.html#%3a%3aTParsePtr" title="class TParsePtr"><code class="ApiItem">TParsePtr</code></a>

constructor that takes a reference to a filename, when the name cannot be

parsed. 

</p>

<code>25</code>

<p>

This panic is raised by the <a href="../reference-cpp/F32_EKA2/TParsePtrCClass.html#%3a%3aTParsePtrC" title="class TParsePtrC"><code class="ApiItem">TParsePtrC</code></a>

constructor that takes a const reference to a filename, when the name cannot be

parsed. 

</p>

<code>26</code>

<p>

This panic is raised by <a href="../reference-cpp/F32_EKA2/RFsClass.html#%3a%3aRFs%3a%3aReadFileSection%28%29" title="function RFs::ReadFileSection()"><code class="ApiItem">RFs::ReadFileSection()</code></a>

when the specified number of bytes to be read from the file is greater than the

maximum length of the target descriptor. 

</p>

<code>27</code>

<p>

<i>This panic is raised in debug builds only.</i>

</p>

<p>

This panic is raised by the <code class="ApiItem">RFile::Write(const

TDesC8&amp;,TInt)</code> variant when the specified length is greater than

the length of the source descriptor. 

</p>