Add pre Visual Studio 2015 support to psa_constant_names
snprintf was only added in Visual Studio 2015. This adds support for building using Visual Studio versions prior to 2015. This implementation of snprintf has been taken from platform.c
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@ -4,6 +4,35 @@
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#include "psa/crypto.h"
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/* This block is present to support Visual Studio builds prior to 2015 */
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#if defined(_MSC_VER) && _MSC_VER < 1900
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#include <stdarg.h>
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int snprintf( char *s, size_t n, const char *fmt, ... )
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{
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int ret;
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va_list argp;
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/* Avoid calling the invalid parameter handler by checking ourselves */
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if( s == NULL || n == 0 || fmt == NULL )
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return( -1 );
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va_start( argp, fmt );
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#if defined(_TRUNCATE) && !defined(__MINGW32__)
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ret = _vsnprintf_s( s, n, _TRUNCATE, fmt, argp );
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#else
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ret = _vsnprintf( s, n, fmt, argp );
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if( ret < 0 || (size_t) ret == n )
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{
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s[n-1] = '\0';
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ret = -1;
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}
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#endif
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va_end( argp );
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return( ret );
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}
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#endif
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/* There are different GET_HASH macros for different kinds of algorithms
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* built from hashes, but the values are all constructed on the
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* same model. */
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