zstream.c

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    1 /*
    2  * CDDL HEADER START
    3  *
    4  * This file and its contents are supplied under the terms of the
    5  * Common Development and Distribution License ("CDDL"), version 1.0.
    6  * You may only use this file in accordance with the terms of version
    7  * 1.0 of the CDDL.
    8  *
    9  * A full copy of the text of the CDDL should have accompanied this
   10  * source.  A copy of the CDDL is also available via the Internet at
   11  * http://www.illumos.org/license/CDDL.
   12  *
   13  * CDDL HEADER END
   14  */
   15 
   16 /*
   17  * Copyright (c) 2020 by Delphix. All rights reserved.
   18  * Copyright (c) 2020 by Datto Inc. All rights reserved.
   19  */
   20 #include <sys/types.h>
   21 #include <sys/stat.h>
   22 #include <fcntl.h>
   23 #include <ctype.h>
   24 #include <stdio.h>
   25 #include <stdlib.h>
   26 #include <string.h>
   27 #include <unistd.h>
   28 #include <libintl.h>
   29 #include <stddef.h>
   30 #include <libzfs.h>
   31 #include "zstream.h"
   32 
   33 void
   34 zstream_usage(void)
   35 {
   36         (void) fprintf(stderr,
   37             "usage: zstream command args ...\n"
   38             "Available commands are:\n"
   39             "\n"
   40             "\tzstream dump [-vCd] FILE\n"
   41             "\t... | zstream dump [-vCd]\n"
   42             "\n"
   43             "\tzstream decompress [-v] [OBJECT,OFFSET[,TYPE]] ...\n"
   44             "\n"
   45             "\tzstream recompress [ -l level] TYPE\n"
   46             "\n"
   47             "\tzstream token resume_token\n"
   48             "\n"
   49             "\tzstream redup [-v] FILE | ...\n");
   50         exit(1);
   51 }
   52 
   53 int
   54 main(int argc, char *argv[])
   55 {
   56         char *basename = strrchr(argv[0], '/');
   57         basename = basename ? (basename + 1) : argv[0];
   58         if (argc >= 1 && strcmp(basename, "zstreamdump") == 0)
   59                 return (zstream_do_dump(argc, argv));
   60 
   61         if (argc < 2)
   62                 zstream_usage();
   63 
   64         char *subcommand = argv[1];
   65 
   66         if (strcmp(subcommand, "dump") == 0) {
   67                 return (zstream_do_dump(argc - 1, argv + 1));
   68         } else if (strcmp(subcommand, "decompress") == 0) {
   69                 return (zstream_do_decompress(argc - 1, argv + 1));
   70         } else if (strcmp(subcommand, "recompress") == 0) {
   71                 return (zstream_do_recompress(argc - 1, argv + 1));
   72         } else if (strcmp(subcommand, "token") == 0) {
   73                 return (zstream_do_token(argc - 1, argv + 1));
   74         } else if (strcmp(subcommand, "redup") == 0) {
   75                 return (zstream_do_redup(argc - 1, argv + 1));
   76         } else {
   77                 zstream_usage();
   78         }
   79 }

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FreeBSD/Linux Kernel Cross Reference sys/contrib/openzfs/cmd/zstream/zstream.c

FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/cmd/zstream/zstream.c