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-rw-r--r--src/exceptionbase.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/exceptionbase.cpp b/src/exceptionbase.cpp
index cea779d..9515e2d 100644
--- a/src/exceptionbase.cpp
+++ b/src/exceptionbase.cpp
@@ -55,7 +55,10 @@ void Bu::ExceptionBase::setWhat( const char *lpFormat, va_list &vargs )
55 if( sWhat ) delete[] sWhat; 55 if( sWhat ) delete[] sWhat;
56 int nSize; 56 int nSize;
57 57
58 nSize = vsnprintf( NULL, 0, lpFormat, vargs ); 58 va_list vargs2;
59 va_copy( vargs2, vargs );
60 nSize = vsnprintf( NULL, 0, lpFormat, vargs2 );
61 va_end( vargs2 );
59 sWhat = new char[nSize+1]; 62 sWhat = new char[nSize+1];
60 vsnprintf( sWhat, nSize+1, lpFormat, vargs ); 63 vsnprintf( sWhat, nSize+1, lpFormat, vargs );
61} 64}