desktop/unx/source/pagein.c

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "file_image.h"
  21
  22 #include <unistd.h>
  23 #include <errno.h>
  24 #include <stdio.h>
  25 #include <string.h>
  26
  27 /* do_pagein */
  28 static int do_pagein (const char * filename, size_t * size)
  29 {
  30     int result;
  31     file_image image = FILE_IMAGE_INITIALIZER;
  32
  33     if ((result = file_image_open (&image, filename)) != 0)
  34         return (result);
  35
  36     if ((result = file_image_pagein (&image)) != 0)
  37     {
  38         fprintf (stderr, "file_image_pagein %s: %s\n", filename, strerror(result));
  39         goto cleanup_and_leave;
  40     }
  41
  42     if (size)
  43     {
  44         *size = image.m_size;
  45     }
  46
  47 cleanup_and_leave:
  48     file_image_close (&image);
  49     return (result);
  50 }
  51
  52 extern int pagein_execute (int argc, char **argv);
  53
  54 /* main */
  55 int pagein_execute (int argc, char **argv)
  56 {
  57     int    i, v = 0;
  58     size_t nfiles = 0, nbytes = 0;
  59
  60     if (argc < 2)
  61     {
  62         fprintf (
  63             stderr,
  64             "%s: Usage: pagein [-v[v]] [-L<path>] [@]<filename> ...\n",
  65             argv[0]);
  66         return (1);
  67     }
  68
  69     for (i = 1; i < argc; i++)
  70     {
  71         FILE   * fp = 0;
  72         size_t   k  = 0;
  73
  74         if (argv[i][0] == '-')
  75         {
  76             /* option */
  77             int j = 1;
  78             switch (argv[i][j])
  79             {
  80                 case 'v':
  81                     /* verbosity level */
  82                     for (v += 1, j += 1; argv[i][j]; j++)
  83                         v += (argv[i][j] == 'v');
  84                     break;
  85                 case 'L':
  86                     /* search path */
  87                     if (chdir (&(argv[i][2])) == -1)
  88                         fprintf (stderr, "chdir %s: %s\n", &(argv[i][2]), strerror(errno));
  89                     break;
  90                 default:
  91                     /* ignored */
  92                     break;
  93             }
  94
  95             /* next argv */
  96             continue;
  97         }
  98
  99         if ((argv[i][0] == '@') && ((fp = fopen (argv[i], "r")) == 0))
 100         {
 101             char fullpath[4096];
 102             char *path = NULL;
 103             memset(fullpath, 0, sizeof(fullpath));
 104             strncpy (fullpath, argv[i] + 1, 3000);
 105             if (!(path = strrchr (fullpath, '/')))
 106                 path = fullpath;
 107             else
 108                 path++;
 109
 110             if ((fp = fopen (&(argv[i][1]), "r")) == 0)
 111             {
 112                 fprintf (stderr, "fopen %s: %s\n", &(argv[i][1]), strerror(errno));
 113                 continue;
 114             }
 115             while (fgets (path, 1024, fp) != 0)
 116             {
 117                 path[strlen(path) - 1] = '\0', k = 0;
 118
 119                 /* paths relative to the location of the pagein file */
 120                 if (do_pagein (fullpath, &k) == 0)
 121                 {
 122                     /* accumulate total size */
 123                     nbytes += k;
 124                 }
 125
 126                 if (v >= 2)
 127                     fprintf (stderr, "pagein(\"%s\") = %d bytes\n", path, (int) k);
 128                 nfiles += 1;
 129             }
 130             fclose (fp);
 131         }
 132         else
 133         {
 134             if (fp != 0)
 135                 fclose (fp);
 136
 137             if (do_pagein (argv[i], &k) == 0)
 138             {
 139                 /* accumulate total size */
 140                 nbytes += k;
 141             }
 142
 143             if (v >= 2)
 144                 fprintf (stderr, "pagein(\"%s\") = %d bytes\n", argv[i], (int) k);
 145             nfiles += 1;
 146         }
 147     }
 148
 149     if (v >= 1)
 150         fprintf (stderr, "Total: %d files (%d bytes)\n", (int) nfiles, (int) nbytes);
 151     return (0);
 152 }
 153
 154 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */