RetroZilla/security/nss/lib/util/verref.h

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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* This header is used inline in a function to ensure that a version string
* symbol is linked in and not optimized out. A volatile reference is added to
* the variable identified by NSS_VERSION_VARIABLE.
*
* Use this as follows:
*
* #define NSS_VERSION_VARIABLE __nss_ssl_version
* #include "verref.h"
*/
/* Suppress unused variable warnings. */
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4101)
#endif
/* This works for both gcc and clang */
#if defined(__GNUC__) && !defined(NSS_NO_GCC48)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-variable"
#endif
#ifndef NSS_VERSION_VARIABLE
#error NSS_VERSION_VARIABLE must be set before including "verref.h"
#endif
{
extern const char NSS_VERSION_VARIABLE[];
volatile const char _nss_version_c = NSS_VERSION_VARIABLE[0];
}
#undef NSS_VERSION_VARIABLE
#ifdef _MSC_VER
#pragma warning(pop)
#endif
#if defined(__GNUC__) && !defined(NSS_NO_GCC48)
#pragma GCC diagnostic pop
#endif