diff options
Diffstat (limited to 'usr.sbin/smtpd/compress_backend.c')
-rw-r--r-- | usr.sbin/smtpd/compress_backend.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/usr.sbin/smtpd/compress_backend.c b/usr.sbin/smtpd/compress_backend.c new file mode 100644 index 00000000..1b974662 --- /dev/null +++ b/usr.sbin/smtpd/compress_backend.c @@ -0,0 +1,72 @@ +/* $OpenBSD: compress_backend.c,v 1.9 2015/01/20 17:37:54 deraadt Exp $ */ + +/* + * Copyright (c) 2012 Charles Longeau <chl@openbsd.org> + * Copyright (c) 2012 Gilles Chehade <gilles@poolp.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "includes.h" + +#include <sys/types.h> +#include <sys/queue.h> +#include <sys/tree.h> +#include <sys/socket.h> +#include <sys/stat.h> + +#include <imsg.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <limits.h> + +#include "smtpd.h" + +#define BUFFER_SIZE 16364 + +extern struct compress_backend compress_gzip; + +struct compress_backend * +compress_backend_lookup(const char *name) +{ + if (!strcmp(name, "gzip")) + return &compress_gzip; + + return NULL; +} + +size_t +compress_chunk(void *ib, size_t ibsz, void *ob, size_t obsz) +{ + return (env->sc_comp->compress_chunk(ib, ibsz, ob, obsz)); +} + +size_t +uncompress_chunk(void *ib, size_t ibsz, void *ob, size_t obsz) +{ + return (env->sc_comp->uncompress_chunk(ib, ibsz, ob, obsz)); +} + +int +compress_file(FILE *ifile, FILE *ofile) +{ + return (env->sc_comp->compress_file(ifile, ofile)); +} + +int +uncompress_file(FILE *ifile, FILE *ofile) +{ + return (env->sc_comp->uncompress_file(ifile, ofile)); +} |