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SGI Freeware 2001 May
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SGI Freeware 2001 May - Disc 3.iso
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dist
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fw_apache.idb
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usr
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freeware
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apache
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include
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ap_ctx.h.z
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ap_ctx.h
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2001-01-10
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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 */