filter/gziptoany.c

   1 /*
   2  * "$Id: gziptoany.c 6649 2007-07-11 21:46:42Z mike $"
   3  *
   4  *   GZIP/raw pre-filter for CUPS.
   5  *
   6  *   Copyright 2007-2010 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  * Contents:
  18  *
  19  *   main() - Copy (and uncompress) files to stdout.
  20  */
  21
  22 /*
  23  * Include necessary headers...
  24  */
  25
  26 #include <cups/cups-private.h>
  27
  28
  29 /*
  30  * 'main()' - Copy (and uncompress) files to stdout.
  31  */
  32
  33 int                                     /* O - Exit status */
  34 main(int  argc,                         /* I - Number of command-line arguments */
  35      char *argv[])                      /* I - Command-line arguments */
  36 {
  37   cups_file_t   *fp;                    /* File */
  38   char          buffer[8192];           /* Data buffer */
  39   int           bytes;                  /* Number of bytes read/written */
  40   int           copies;                 /* Number of copies */
  41
  42
  43  /*
  44   * Check command-line...
  45   */
  46
  47   if (argc != 7)
  48   {
  49     _cupsLangPrintf(stderr,
  50                     _("Usage: %s job-id user title copies options file"),
  51                     argv[0]);
  52     return (1);
  53   }
  54
  55  /*
  56   * Get the copy count; if we have no final content type, this is a
  57   * raw queue or raw print file, so we need to make copies...
  58   */
  59
  60   if (!getenv("FINAL_CONTENT_TYPE"))
  61     copies = atoi(argv[4]);
  62   else
  63     copies = 1;
  64
  65  /*
  66   * Open the file...
  67   */
  68
  69   if ((fp = cupsFileOpen(argv[6], "r")) == NULL)
  70   {
  71     _cupsLangPrintError("ERROR", _("Unable to open print file"));
  72     return (1);
  73   }
  74
  75  /*
  76   * Copy the file to stdout...
  77   */
  78
  79   setbuf(stdout, NULL);
  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 (fwrite(buffer, 1, bytes, stdout) < bytes)
  90       {
  91         _cupsLangPrintFilter(stderr, "ERROR",
  92                              _("Unable to write uncompressed print data: %s"),
  93                              strerror(ferror(stdout)));
  94         cupsFileClose(fp);
  95
  96         return (1);
  97       }
  98
  99     copies --;
 100   }
 101
 102  /*
 103   * Close the file and return...
 104   */
 105
 106   cupsFileClose(fp);
 107
 108   return (0);
 109 }
 110
 111
 112 /*
 113  * End of "$Id: gziptoany.c 6649 2007-07-11 21:46:42Z mike $".
 114  */