libs/lmo/src/lmo_lookup.c

   1 /*
   2  * lmo - Lua Machine Objects - Lookup utility
   3  *
   4  *   Copyright (C) 2009 Jo-Philipp Wich <xm@subsignal.org>
   5  *
   6  *  Licensed under the Apache License, Version 2.0 (the "License");
   7  *  you may not use this file except in compliance with the License.
   8  *  You may obtain a copy of the License at
   9  *
  10  *      http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  *  Unless required by applicable law or agreed to in writing, software
  13  *  distributed under the License is distributed on an "AS IS" BASIS,
  14  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  *  See the License for the specific language governing permissions and
  16  *  limitations under the License.
  17  */
  18
  19 #include "lmo.h"
  20
  21 extern char _lmo_error[1024];
  22
  23 static void die(const char *msg)
  24 {
  25         printf("Error: %s\n", msg);
  26         exit(1);
  27 }
  28
  29 static void usage(const char *name)
  30 {
  31         printf("Usage: %s input.lmo key\n", name);
  32         exit(1);
  33 }
  34
  35 int main(int argc, char *argv[])
  36 {
  37         char val[4096];
  38         lmo_archive_t *ar = NULL;
  39
  40         if( argc != 3 )
  41                 usage(argv[0]);
  42
  43         if( (ar = (lmo_archive_t *) lmo_open(argv[1])) != NULL )
  44         {
  45                 if( lmo_lookup(ar, argv[2], val, sizeof(val)) > -1 )
  46                 {
  47                         printf("%s\n", val);
  48                 }
  49
  50                 lmo_close(ar);
  51         }
  52         else
  53         {
  54                 die(lmo_error());
  55         }
  56
  57         return 0;
  58 }