1*d3140113Seric /* $OpenBSD: compress_backend.c,v 1.10 2021/06/14 17:58:15 eric Exp $ */
2511f44e1Schl
30e8cc8ecSchl /*
40e8cc8ecSchl * Copyright (c) 2012 Charles Longeau <chl@openbsd.org>
565c4fdfbSgilles * Copyright (c) 2012 Gilles Chehade <gilles@poolp.org>
60e8cc8ecSchl *
70e8cc8ecSchl * Permission to use, copy, modify, and distribute this software for any
80e8cc8ecSchl * purpose with or without fee is hereby granted, provided that the above
90e8cc8ecSchl * copyright notice and this permission notice appear in all copies.
100e8cc8ecSchl *
110e8cc8ecSchl * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
120e8cc8ecSchl * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
130e8cc8ecSchl * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
140e8cc8ecSchl * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
150e8cc8ecSchl * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
160e8cc8ecSchl * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
170e8cc8ecSchl * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
180e8cc8ecSchl */
190e8cc8ecSchl
200e8cc8ecSchl #include <string.h>
210e8cc8ecSchl
220e8cc8ecSchl #include "smtpd.h"
230e8cc8ecSchl
24299c4efeSeric #define BUFFER_SIZE 16364
25299c4efeSeric
26858abddcSgilles extern struct compress_backend compress_gzip;
270e8cc8ecSchl
28299c4efeSeric struct compress_backend *
compress_backend_lookup(const char * name)29299c4efeSeric compress_backend_lookup(const char *name)
300e8cc8ecSchl {
31858abddcSgilles if (!strcmp(name, "gzip"))
32299c4efeSeric return &compress_gzip;
330e8cc8ecSchl
34299c4efeSeric return NULL;
350e8cc8ecSchl }
360e8cc8ecSchl
3765c4fdfbSgilles size_t
compress_chunk(void * ib,size_t ibsz,void * ob,size_t obsz)38299c4efeSeric compress_chunk(void *ib, size_t ibsz, void *ob, size_t obsz)
390e8cc8ecSchl {
40299c4efeSeric return (env->sc_comp->compress_chunk(ib, ibsz, ob, obsz));
4165c4fdfbSgilles }
4265c4fdfbSgilles
4365c4fdfbSgilles size_t
uncompress_chunk(void * ib,size_t ibsz,void * ob,size_t obsz)44299c4efeSeric uncompress_chunk(void *ib, size_t ibsz, void *ob, size_t obsz)
4565c4fdfbSgilles {
46299c4efeSeric return (env->sc_comp->uncompress_chunk(ib, ibsz, ob, obsz));
4765c4fdfbSgilles }
4865c4fdfbSgilles
49299c4efeSeric int
compress_file(FILE * ifile,FILE * ofile)50299c4efeSeric compress_file(FILE *ifile, FILE *ofile)
5165c4fdfbSgilles {
52299c4efeSeric return (env->sc_comp->compress_file(ifile, ofile));
530e8cc8ecSchl }
5465c4fdfbSgilles
5565c4fdfbSgilles int
uncompress_file(FILE * ifile,FILE * ofile)5665c4fdfbSgilles uncompress_file(FILE *ifile, FILE *ofile)
5765c4fdfbSgilles {
58299c4efeSeric return (env->sc_comp->uncompress_file(ifile, ofile));
59299c4efeSeric }
60