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/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2011 AT&T Intellectual Property *
* and is licensed under the *
* Eclipse Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.eclipse.org/org/documents/epl-v10.html *
* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
/*
* mime/mailcap to magic support
*/
#include "mimelib.h"
/*
* close magic handle
* done this way so that magic is only pulled in
* if mimetype() is used
*/
static void
drop(Mime_t* mp)
{
if (mp->magic)
{
magicclose(mp->magic);
mp->magic = 0;
}
}
/*
* return mime type for file
*/
char*
mimetype(Mime_t* mp, Sfio_t* fp, const char* file, struct stat* st)
{
if (mp->disc->flags & MIME_NOMAGIC)
return 0;
if (!mp->magic)
{
mp->magicd.version = MAGIC_VERSION;
mp->magicd.flags = MAGIC_MIME;
mp->magicd.errorf = mp->disc->errorf;
if (!(mp->magic = magicopen(&mp->magicd)))
{
mp->disc->flags |= MIME_NOMAGIC;
return 0;
}
mp->freef = drop;
magicload(mp->magic, NiL, 0);
}
return magictype(mp->magic, fp, file, st);
}
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