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Add better protection against trying to play "." and ".." after scanning a

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directory listing.
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curt 2006-01-09 15:18:16 +00:00
parent eb783b46aa
commit 9d271d7e7c
1 changed files with 16 additions and 9 deletions
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25
Nasal/atc-chatter.nas
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@ -15,7 +15,7 @@ fg_root = "";
chatter = "UK";
chatter_dir = "";
chatter_index = 2;
chatter_index = 0;
chatter_size = 0;
chatter_list = 0;
@ -31,6 +31,9 @@ CHATTER_INIT = func {
chatter_dir = sprintf("%s/ATC/Chatter/%s", fg_root, chatter);
chatter_list = directory( chatter_dir );
chatter_size = size(chatter_list);
# seed the random number generator (with time) so we don't start in
# same place in the sequence each run.
srand();
chatter_index = int( chatter_size * rand() );
}
settimer(CHATTER_INIT, 0);
@ -42,19 +45,23 @@ settimer(CHATTER_INIT, 0);
chatter_update = func {
if ( chatter_index >= chatter_size ) {
chatter_index = 2;
chatter_index = 0;
}
print("update atc chatter ", chatter_list[chatter_index] );
if ( chatter_list[chatter_index] != "."
and chatter_list[chatter_index] != ".." )
{
print("update atc chatter ", chatter_list[chatter_index] );
tmpl = { path : chatter_dir, file : chatter_list[chatter_index] };
if ( getprop("/sim/sound/atc-chatter") ) {
# go through the motions, but only schedule the message to play
# if atc-chatter is enabled.
fgcommand("play-audio-message", props.Node.new(tmpl) );
tmpl = { path : chatter_dir, file : chatter_list[chatter_index] };
if ( getprop("/sim/sound/atc-chatter") ) {
# go through the motions, but only schedule the message to play
# if atc-chatter is enabled.
fgcommand("play-audio-message", props.Node.new(tmpl) );
}
}
chatter_index = chatter_index + 1;
nextChatter();
}