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ttsnoop: check the return value from tt_message_op to avoid a segmentation

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fault.
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Liang Chang 2021-02-20 01:35:13 +08:00 committed by Jon Trulson
parent 75a4e93d38
commit 7cd4221824
1 changed files with 1 additions and 1 deletions
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2
cde/programs/ttsnoop/DtTt.C
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@ -559,7 +559,7 @@ _DtTtChoices(
std::ostringstream itemStream;
itemStream << (void *)dtTtMessages[ i ];
char *op = tt_message_op( dtTtMessages[ i ] );
if (! tt_is_err( tt_ptr_error( op ))) {
if (op && ! tt_is_err( tt_ptr_error( op ))) {
itemStream << " " << op;
tt_free( op );
}