hasher.c

   1 /*
   2  * Copyright (C) 2007 Oracle.  All rights reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public
   6  * License v2 as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public
  14  * License along with this program; if not, write to the
  15  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  16  * Boston, MA 021110-1307, USA.
  17  */
  18
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22 #include "kerncompat.h"
  23 #include "hash.h"
  24
  25 int main() {
  26         u64 result;
  27         int ret;
  28         char line[255];
  29         char *p;
  30         while(1) {
  31                 p = fgets(line, 255, stdin);
  32                 if (!p)
  33                         break;
  34                 if (strlen(line) == 0)
  35                         continue;
  36                 if (line[strlen(line)-1] == '\n')
  37                         line[strlen(line)-1] = '\0';
  38                 result = btrfs_name_hash(line, strlen(line));
  39                 printf("hash returns %llu\n", (unsigned long long)result);
  40         }
  41         return 0;
  42 }