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/* $OpenBSD: compress_backend.c,v 1.9 2015/01/20 17:37:54 deraadt Exp $ */ |
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/* |
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* Copyright (c) 2012 Charles Longeau <chl@openbsd.org> |
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* Copyright (c) 2012 Gilles Chehade <gilles@poolp.org> |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <sys/types.h> |
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#include <sys/queue.h> |
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#include <sys/tree.h> |
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#include <sys/socket.h> |
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#include <sys/stat.h> |
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#include <imsg.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include <limits.h> |
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#include "smtpd.h" |
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#define BUFFER_SIZE 16364 |
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extern struct compress_backend compress_gzip; |
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struct compress_backend * |
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compress_backend_lookup(const char *name) |
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{ |
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if (!strcmp(name, "gzip")) |
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return &compress_gzip; |
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return NULL; |
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} |
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size_t |
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compress_chunk(void *ib, size_t ibsz, void *ob, size_t obsz) |
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{ |
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return (env->sc_comp->compress_chunk(ib, ibsz, ob, obsz)); |
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} |
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size_t |
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uncompress_chunk(void *ib, size_t ibsz, void *ob, size_t obsz) |
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{ |
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return (env->sc_comp->uncompress_chunk(ib, ibsz, ob, obsz)); |
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} |
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int |
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compress_file(FILE *ifile, FILE *ofile) |
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{ |
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return (env->sc_comp->compress_file(ifile, ofile)); |
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} |
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int |
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uncompress_file(FILE *ifile, FILE *ofile) |
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{ |
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return (env->sc_comp->uncompress_file(ifile, ofile)); |
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} |