probe.h - mozsearch

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// Copyright (C) 2026 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

// Found first on the include path. __has_include_next must search *past* this

// directory: <probe.h> exists in the next directory (true), while

// <nonexistent-next.h> exists nowhere (false).

#if __has_include_next(<probe.h>)

int probe_has_next;

#else

int probe_no_next;

#endif

#if __has_include_next(<nonexistent-next.h>)

int nonexistent_has_next;

#else

int nonexistent_no_next;

#endif

// The argument is macro expanded unless it already is a header-name, for

// __has_include_next just as for __has_include.

#define PROBE_ANGLE_WRAP(x) <x>

#define PROBE_HEADER_NAME probe.h

#define PROBE_WRAPPED_NAME PROBE_ANGLE_WRAP(PROBE_HEADER_NAME)

#if __has_include_next(PROBE_WRAPPED_NAME)

int wrapped_has_next;

#else

int wrapped_no_next;

#endif

#if __has_include_next(PROBE_ANGLE_WRAP(PROBE_HEADER_NAME))

int funcmacro_has_next;

#else

int funcmacro_no_next;

#endif