src/vol/gi.c

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 #include <afsconfig.h>
  11 #include <afs/param.h>
  12
  13 #include <roken.h>
  14
  15
  16 int statflag;
  17
  18 #include "AFS_component_version_number.c"
  19
  20 void
  21 Perror(char *err, int a1, int a2, int a3)
  22 {
  23     char msg[200];
  24     sprintf(msg, err, a1, a2, a3);
  25     perror(msg);
  26 }
  27
  28 int
  29 main(int argc, char **argv)
  30 {
  31 #if defined(AFS_NT40_ENV) || defined(AFS_NAMEI_ENV)
  32     fprintf(stderr, "gi not supported on NT or NAMEI systems.\n");
  33     exit(1);
  34 #else
  35     int error = 0;
  36     struct stat status;
  37     int dev, fd, inode;
  38
  39     argc--;
  40     argv++;
  41     while (argc && **argv == '-') {
  42         if (strcmp(*argv, "-stat") == 0)
  43             statflag = 1;
  44         else {
  45             error = 1;
  46             break;
  47         }
  48         argc--;
  49         argv++;
  50     }
  51     if (error || argc != 2) {
  52         fprintf(stderr, "Usage: gi [-stat] partition inodenumber\n");
  53         exit(1);
  54     }
  55     if (stat(*argv, &status) != 0) {
  56         fprintf(stderr,
  57                 "gi: cannot stat %s [should be mounted partition name]\n",
  58                 *argv);
  59         exit(1);
  60     }
  61     dev = status.st_dev;
  62     inode = atoi(*++argv);
  63     fd = iopen(dev, inode, 0);
  64     if (fd < 0) {
  65         Perror("Unable to open inode %d", inode, 0, 0);
  66         exit(1);
  67     }
  68     if (statflag) {
  69         if (fstat(fd, &status) != 0) {
  70             Perror("Unable to fstat the inode!", 0, 0, 0);
  71             exit(1);
  72         }
  73         printf
  74             ("Inode status: dev=%d, ino=%d, mode=%o, nlink=%d, uid=%d, gid=%d, size=%d, mtime=%d, blocks=%d\n",
  75              status.st_dev, status.st_ino, status.st_mode, status.st_nlink,
  76              status.st_uid, status.st_gid, status.st_size, status.st_mtime);
  77     } else {
  78         /* Send the inode to standard out */
  79         char buf[4096];
  80         int n;
  81         while ((n = read(fd, buf, sizeof(buf))) > 0)
  82             write(1, buf, n);
  83     }
  84     exit(0);
  85 #endif /* AFS_NT40_ENV || AFS_NAMEI_ENV */
  86 }