boost/SOURCES/boost-1.66-build-memory-lea...

29 lines
947 B
Diff

From 8ff11a8eccc41914478e92231500fc47fefa6779 Mon Sep 17 00:00:00 2001
From: Jonathan Wakely <boost@kayari.org>
Date: Wed, 10 Oct 2018 17:17:10 +0100
Subject: [PATCH] Fix memory leak
If vsnprintf returns -1 then the buffer should be freed before returning.
---
src/engine/debugger.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/engine/debugger.c b/src/engine/debugger.c
index 3c811b4557..d849d064a9 100644
--- a/tools/build/src/engine/debugger.c
+++ b/tools/build/src/engine/debugger.c
@@ -860,10 +860,11 @@ static const char * debug_format_message( const char * format, va_list vargs )
result = vsnprintf( buf, sz, format, args );
#endif
va_end( args );
+ if ( 0 <= result && result < sz )
+ return buf;
+ free( buf );
if ( result < 0 )
return 0;
- if ( result < sz ) return buf;
- free( buf );
sz = result + 1;
}
}