filter/gziptoany.c

   1 /*
   2  * "$Id$"
   3  *
   4  * GZIP/raw pre-filter for CUPS.
   5  *
   6  * Copyright 2007-2015 by Apple Inc.
   7  * Copyright 1993-2007 by Easy Software Products.
   8  *
   9  * These coded instructions, statements, and computer programs are the
  10  * property of Apple Inc. and are protected by Federal copyright
  11  * law.  Distribution and use rights are outlined in the file "LICENSE.txt"
  12  * which should have been included with this file.  If this file is
  13  * file is missing or damaged, see the license at "http://www.cups.org/".
  14  *
  15  * This file is subject to the Apple OS-Developed Software exception.
  16  */
  17
  18 /*
  19  * Include necessary headers...
  20  */
  21
  22 #include <cups/cups-private.h>
  23
  24
  25 /*
  26  * 'main()' - Copy (and uncompress) files to stdout.
  27  */
  28
  29 int                                     /* O - Exit status */
  30 main(int  argc,                         /* I - Number of command-line arguments */
  31      char *argv[])                      /* I - Command-line arguments */
  32 {
  33   cups_file_t   *fp;                    /* File */
  34   char          buffer[8192];           /* Data buffer */
  35   ssize_t       bytes;                  /* Number of bytes read/written */
  36   int           copies;                 /* Number of copies */
  37
  38
  39  /*
  40   * Check command-line...
  41   */
  42
  43   if (argc < 6 || argc > 7)
  44   {
  45     _cupsLangPrintf(stderr,
  46                     _("Usage: %s job-id user title copies options [file]"),
  47                     argv[0]);
  48     return (1);
  49   }
  50
  51  /*
  52   * Get the copy count; if we have no final content type, this is a
  53   * raw queue or raw print file, so we need to make copies...
  54   */
  55
  56   if (!getenv("FINAL_CONTENT_TYPE"))
  57     copies = atoi(argv[4]);
  58   else
  59     copies = 1;
  60
  61  /*
  62   * Open the file...
  63   */
  64
  65   if (argc == 6)
  66   {
  67     copies = 1;
  68     fp     = cupsFileStdin();
  69   }
  70   else if ((fp = cupsFileOpen(argv[6], "r")) == NULL)
  71   {
  72     fprintf(stderr, "DEBUG: Unable to open \"%s\".\n", argv[6]);
  73     _cupsLangPrintError("ERROR", _("Unable to open print file"));
  74     return (1);
  75   }
  76
  77  /*
  78   * Copy the file to stdout...
  79   */
  80
  81   while (copies > 0)
  82   {
  83     if (!getenv("FINAL_CONTENT_TYPE"))
  84       fputs("PAGE: 1 1\n", stderr);
  85
  86     cupsFileRewind(fp);
  87
  88     while ((bytes = cupsFileRead(fp, buffer, sizeof(buffer))) > 0)
  89       if (write(1, buffer, (size_t)bytes) < bytes)
  90       {
  91         _cupsLangPrintFilter(stderr, "ERROR",
  92                              _("Unable to write uncompressed print data: %s"),
  93                              strerror(errno));
  94         if (argc == 7)
  95           cupsFileClose(fp);
  96
  97         return (1);
  98       }
  99
 100     copies --;
 101   }
 102
 103  /*
 104   * Close the file and return...
 105   */
 106
 107   if (argc == 7)
 108     cupsFileClose(fp);
 109
 110   return (0);
 111 }
 112
 113
 114 /*
 115  * End of "$Id$".
 116  */