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- /* ====================================================================
- * Copyright (c) 1998-1999 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/>.
- *
- */
-
- /*
- * This file will include OS specific functions which are not inlineable.
- * Any inlineable functions should be defined in os-inline.c instead.
- */
-
- #include "httpd.h"
- #include "http_core.h"
- #include "os.h"
-
- /* Check the Content-Type to decide if conversion is needed */
- int ap_checkconv(struct request_rec *r)
- {
- int convert_to_ascii;
- const char *type;
-
- /* To make serving of "raw ASCII text" files easy (they serve faster
- * since they don't have to be converted from EBCDIC), a new
- * "magic" type prefix was invented: text/x-ascii-{plain,html,...}
- * If we detect one of these content types here, we simply correct
- * the type to the real text/{plain,html,...} type. Otherwise, we
- * set a flag that translation is required later on.
- */
-
- type = (r->content_type == NULL) ? ap_default_type(r) : r->content_type;
-
- /* If no content type is set then treat it as (ebcdic) text/plain */
- convert_to_ascii = (type == NULL);
-
- /* Conversion is applied to text/ files only, if ever. */
- if (type && (strncasecmp(type, "text/", 5) == 0 ||
- strncasecmp(type, "message/", 8) == 0)) {
- if (strncasecmp(type, ASCIITEXT_MAGIC_TYPE_PREFIX,
- sizeof(ASCIITEXT_MAGIC_TYPE_PREFIX)-1) == 0)
- r->content_type = ap_pstrcat(r->pool, "text/",
- type+sizeof(ASCIITEXT_MAGIC_TYPE_PREFIX)-1,
- NULL);
- else
- /* translate EBCDIC to ASCII */
- convert_to_ascii = 1;
- }
- /* Enable conversion if it's a text document */
- ap_bsetflag(r->connection->client, B_EBCDIC2ASCII, convert_to_ascii);
-
- return convert_to_ascii;
- }
-
-