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
  14 #include <sys/types.h>
  15 #include <sys/stat.h>
  16 #include <stdio.h>
  17 #include <stdlib.h>
  18
  19 int statflag;
  20
  21 #include "AFS_component_version_number.c"
  22
  23 void
  24 Perror(char *err, int a1, int a2, int a3)
  25 {
  26     char msg[200];
  27     sprintf(msg, err, a1, a2, a3);
  28     perror(msg);
  29 }
  30
  31 int
  32 main(int argc, char **argv)
  33 {
  34 #if defined(AFS_NT40_ENV) || defined(AFS_NAMEI_ENV)
  35     fprintf(stderr, "gi not supported on NT or NAMEI systems.\n");
  36     exit(1);
  37 #else
  38     int error = 0;
  39     struct stat status;
  40     int dev, fd, inode;
  41
  42     argc--;
  43     argv++;
  44     while (argc && **argv == '-') {
  45         if (strcmp(*argv, "-stat") == 0)
  46             statflag = 1;
  47         else {
  48             error = 1;
  49             break;
  50         }
  51         argc--;
  52         argv++;
  53     }
  54     if (error || argc != 2) {
  55         fprintf(stderr, "Usage: gi [-stat] partition inodenumber\n");
  56         exit(1);
  57     }
  58     if (stat(*argv, &status) != 0) {
  59         fprintf(stderr,
  60                 "gi: cannot stat %s [should be mounted partition name]\n",
  61                 *argv);
  62         exit(1);
  63     }
  64     dev = status.st_dev;
  65     inode = atoi(*++argv);
  66     fd = iopen(dev, inode, 0);
  67     if (fd < 0) {
  68         Perror("Unable to open inode %d", inode, 0, 0);
  69         exit(1);
  70     }
  71     if (statflag) {
  72         if (fstat(fd, &status) != 0) {
  73             Perror("Unable to fstat the inode!", 0, 0, 0);
  74             exit(1);
  75         }
  76         printf
  77             ("Inode status: dev=%d, ino=%d, mode=%o, nlink=%d, uid=%d, gid=%d, size=%d, mtime=%d, blocks=%d\n",
  78              status.st_dev, status.st_ino, status.st_mode, status.st_nlink,
  79              status.st_uid, status.st_gid, status.st_size, status.st_mtime);
  80     } else {
  81         /* Send the inode to standard out */
  82         char buf[4096];
  83         int n;
  84         while ((n = read(fd, buf, sizeof(buf))) > 0)
  85             write(1, buf, n);
  86     }
  87     exit(0);
  88 #endif /* AFS_NT40_ENV || AFS_NAMEI_ENV */
  89 }