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Don't blow out the stack. Use a smaller buffer and prevent buffer overruns with snprintf.

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This commit is contained in:
nnorwitz 2017-04-16 22:21:35 -07:00 committed by Vladislav Sovrasov
parent 636ab095b0
commit 256b6bb3db
1 changed files with 3 additions and 2 deletions
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5
modules/core/src/system.cpp
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@ -859,9 +859,10 @@ void error( const Exception& exc )
else
{
const char* errorStr = cvErrorStr(exc.code);
char buf[1 << 16];
char buf[1 << 12];
sprintf( buf, "OpenCV Error: %s (%s) in %s, file %s, line %d",
snprintf( buf, sizeof(buf),
"OpenCV Error: %s (%s) in %s, file %s, line %d",
errorStr, exc.err.c_str(), exc.func.size() > 0 ?
exc.func.c_str() : "unknown function", exc.file.c_str(), exc.line );
fprintf( stderr, "%s\n", buf );