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Fix crash in Fl_Preferences for deformed group name (#891)

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This commit is contained in:
Matthias Melcher 2024-01-19 11:50:28 +01:00
parent b2dc8217a1
commit 548fe016d3
1 changed files with 6 additions and 6 deletions
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12
src/Fl_Preferences.cxx
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@ -3,7 +3,7 @@
//
// Preferences methods for the Fast Light Tool Kit (FLTK).
//
// Copyright 2002-2010 by Matthias Melcher.
// Copyright 2002-2024 by Matthias Melcher.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
@ -1130,18 +1130,18 @@ int Fl_Preferences::RootNode::read() {
if ( buf[0]=='[' ) { // read a new group
size_t end = strcspn( buf+1, "]\n\r" );
buf[ end+1 ] = 0;
nd = prefs_->node->find( buf+1 );
nd = prefs_->node->find( buf+1 ); // may return NULL for a deformed file
} else if ( buf[0]=='+' ) { // value of previous name/value pair spans multiple lines
size_t end = strcspn( buf+1, "\n\r" );
if ( end != 0 ) { // if entry is not empty
buf[ end+1 ] = 0;
nd->add( buf+1 );
buf[ end+1 ] = 0;
if (nd) nd->add( buf+1 );
}
} else { // read a name/value pair
size_t end = strcspn( buf, "\n\r" );
if ( end != 0 ) { // if entry is not empty
buf[ end ] = 0;
nd->set( buf );
buf[ end ] = 0;
if (nd) nd->set( buf );
}
}
}