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- /* ====================================================================
- * Copyright (c) 1998-2000 The Apache Group. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the Apache Group
- * for use in the Apache HTTP server project (http://www.apache.org/)."
- *
- * 4. The names "Apache Server" and "Apache Group" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache"
- * nor may "Apache" appear in their names without prior written
- * permission of the Apache Group.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the Apache Group
- * for use in the Apache HTTP server project (http://www.apache.org/)."
- *
- * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE APACHE GROUP OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Group and was originally based
- * on public domain software written at the National Center for
- * Supercomputing Applications, University of Illinois, Urbana-Champaign.
- * For more information on the Apache Group and the Apache HTTP server
- * project, please see <http://www.apache.org/>.
- *
- */
-
- /*
- ** Generic Context Interface for Apache
- ** Written by Ralf S. Engelschall <rse@engelschall.com>
- */
-
- #ifdef EAPI
-
- #ifndef AP_CTX_H
- #define AP_CTX_H
-
- #ifndef FALSE
- #define FALSE 0
- #define TRUE !FALSE
- #endif
-
- /*
- * Internal Context Record Definition
- */
-
- #define AP_CTX_MAX_ENTRIES 1024
-
- typedef struct {
- char *ce_key;
- void *ce_val;
- } ap_ctx_entry;
-
- typedef struct {
- pool *cr_pool;
- ap_ctx_entry **cr_entry;
- } ap_ctx_rec;
-
- typedef ap_ctx_rec ap_ctx;
-
- /*
- * Some convinience macros for storing _numbers_ 0...n in contexts, i.e.
- * treating numbers as pointers but keeping track of the NULL return code of
- * ap_ctx_get.
- */
- #define AP_CTX_NUM2PTR(n) (void *)((unsigned int)(n)+1)
- #define AP_CTX_PTR2NUM(p) (unsigned int)(((char *)(p))-1)
-
- /*
- * Prototypes for Context Handling Functions
- */
-
- API_EXPORT(ap_ctx *)ap_ctx_new(pool *p);
- API_EXPORT(void) ap_ctx_set(ap_ctx *ctx, char *key, void *val);
- API_EXPORT(void *) ap_ctx_get(ap_ctx *ctx, char *key);
- API_EXPORT(ap_ctx *)ap_ctx_overlay(pool *p, ap_ctx *over, ap_ctx *base);
-
- #endif /* AP_CTX_H */
-
- #endif /* EAPI */
-