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C6530

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warning 6530: unrecognized format string style <name>

This warning indicates that the FormatString property is using a value other than scanf or printf. To correct this warning, review your code and use a valid value for the Style property.

Example

The following code generates this warning because of a typo in the Style property:

// C
#include <CodeAnalysis\SourceAnnotations.h>
void f([SA_FormatString(Style="printfd")] char *px); 

// C++
#include <CodeAnalysis\SourceAnnotations.h>
using namespace vc_attributes;
void f([FormatString(Style="printfd")] char *px);

To correct this warning, use a valid Style as shown in the following code:

// C
#include <CodeAnalysis\SourceAnnotations.h>
void f([SA_FormatString(Style="printf")] char *px); 

// C++
#include <CodeAnalysis\SourceAnnotations.h>
using namespace vc_attributes;
void f([FormatString(Style="printf")] char *px);