http://llvm.org/bugs/show_bug.cgi?id=11091
Summary: incorrect warning for printf and printing
std::runtime_error::what()
Product: clang
Version: trunk
Platform: PC
OS/Version: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: Frontend
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
This test program:
#include <stdexcept>
#include <cstdio>
using namespace std;
int main()
{
runtime_error e( "bla" );
printf( e.what() );
}
Produces this warning:
main.cpp:8:13: warning: format string is not a string literal (potentially
insecure) [-Wformat-security]
printf( err.what() );
^~~~~~~~~~
1 warning generated.
This seems very misleading and warns on correct code like the above, ie when
the format string doesn't contain any format specifiers at all, and is just a
plain const char*.
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