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Fixed crash in Fl_Preferences if 2nd or 3rd argument in the 'path' constructor were NULL

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git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@5007 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Matthias Melcher
2006-04-20 04:34:18 +00:00
parent a82e7879ce
commit 0b98e816d8
3 changed files with 25 additions and 15 deletions
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documentation/Fl_Preferences.html
+14 -6
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@@ -69,9 +69,11 @@ method.
</ul>
<H4><a name="Fl_Preferences.Fl_Preferences">Fl_Preferences(enum Root root,
const char *vendor, const char *application)<BR>
Fl_Preferences(Fl_Preferences &amp;p, const char *groupname)</a></H4>
<H4><a name="Fl_Preferences.Fl_Preferences">
Fl_Preferences(enum Root root, const char *vendor, const char *application)<BR>
Fl_Preferences(const char *path, const char *vendor, const char *application)<BR>
Fl_Preferences(Fl_Preferences &amp;p, const char *groupname)<BR>
</a></H4>
<P>The constructor creates a group that manages name/value pairs and
child groups. Groups are ready for reading and writing at any time.
@@ -89,9 +91,15 @@ name of your application. Both <tt>vendor</tt> and
<tt>application</tt> must be valid relative UNIX pathnames and
may contain '/'s to create deeper file structures.
<P>The <tt>groupname</tt> argument identifies a group of
entries. It can contain '/'s to get quick access to individual
elements inside the hierarchy.
<P>The second format is used to create a preferences file at an
arbitrary position in the file system. The file name is generated
as <tt><i>path</i>/<i>application</i>.prefs</tt>. If <i>application</i>
is 0, <i>path</i> must contain the full file name.
<P>The third format generates a new group of preference entries
inside the group or file <i>p</i>. The <tt>groupname</tt> argument
identifies a group of entries. It can contain '/'s to get quick
access to individual elements inside the hierarchy.
<H4><a name="Fl_Preferences.~Fl_Preferences">~Fl_Preferences()</a></H4>