/* Charmonizer/Probe/HeadCheck.h
 */

#ifndef H_CHAZ_HEAD_CHECK
#define H_CHAZ_HEAD_CHECK 

#include "Charmonizer/Core/Defines.h"

/* Bootstrap the HeadCheck.  Call this before anything else.
 */
void
chaz_HeadCheck_init();

/* Check for a particular header and return true if it's available.  The
 * test-compile is only run the first time a given request is made.
 */
chaz_bool_t
chaz_HeadCheck_check_header(const char *header_name);

/* Attempt to compile a file which pulls in all the headers specified by name
 * in a null-terminated array.  If the compile succeeds, add them all to the
 * internal register and return true.
 */
chaz_bool_t
chaz_HeadCheck_check_many_headers(const char **header_names);

#ifdef CHAZ_USE_SHORT_NAMES
  #define HeadCheck_init             chaz_HeadCheck_init
  #define check_header               chaz_HeadCheck_check_header
  #define check_many_headers         chaz_HeadCheck_check_many_headers
#endif

#endif /* H_CHAZ_HEAD_CHECK */

/**
 * Copyright 2006 The Apache Software Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */