filter/gziptoany.c

   1 /*
   2  * "$Id: gziptoany.c 6420 2007-03-30 20:00:59Z mike $"
   3  *
   4  *   GZIP/raw pre-filter for the Common UNIX Printing System (CUPS).
   5  *
   6  *   Copyright 1993-2007 by Easy Software Products.
   7  *
   8  *   These coded instructions, statements, and computer programs are the
   9  *   property of Easy Software Products and are protected by Federal
  10  *   copyright law.  Distribution and use rights are outlined in the file
  11  *   "LICENSE.txt" which should have been included with this file.  If this
  12  *   file is missing or damaged please contact Easy Software Products
  13  *   at:
  14  *
  15  *       Attn: CUPS Licensing Information
  16  *       Easy Software Products
  17  *       44141 Airport View Drive, Suite 204
  18  *       Hollywood, Maryland 20636 USA
  19  *
  20  *       Voice: (301) 373-9600
  21  *       EMail: cups-info@cups.org
  22  *         WWW: http://www.cups.org
  23  *
  24  *   This file is subject to the Apple OS-Developed Software exception.
  25  *
  26  * Contents:
  27  *
  28  *   main() - Copy (and uncompress) files to stdout.
  29  */
  30
  31 /*
  32  * Include necessary headers...
  33  */
  34
  35 #include <cups/file.h>
  36 #include <cups/string.h>
  37 #include <cups/i18n.h>
  38 #include <stdlib.h>
  39 #include <errno.h>
  40
  41
  42 /*
  43  * 'main()' - Copy (and uncompress) files to stdout.
  44  */
  45
  46 int                                     /* O - Exit status */
  47 main(int  argc,                         /* I - Number of command-line arguments */
  48      char *argv[])                      /* I - Command-line arguments */
  49 {
  50   cups_file_t   *fp;                    /* File */
  51   char          buffer[8192];           /* Data buffer */
  52   int           bytes;                  /* Number of bytes read/written */
  53   int           copies;                 /* Number of copies */
  54
  55
  56  /*
  57   * Check command-line...
  58   */
  59
  60   if (argc != 7)
  61   {
  62     fprintf(stderr, _("Usage: %s job-id user title copies options file\n"),
  63             argv[0]);
  64     return (1);
  65   }
  66
  67  /*
  68   * Get the copy count; if we have no final content type, this is a
  69   * raw queue or raw print file, so we need to make copies...
  70   */
  71
  72   if (!getenv("FINAL_CONTENT_TYPE"))
  73     copies = atoi(argv[4]);
  74   else
  75     copies = 1;
  76
  77  /*
  78   * Open the file...
  79   */
  80
  81   if ((fp = cupsFileOpen(argv[6], "r")) == NULL)
  82   {
  83     fprintf(stderr, _("ERROR: Unable to open file \"%s\": %s\n"), argv[6],
  84             strerror(errno));
  85     return (1);
  86   }
  87
  88  /*
  89   * Copy the file to stdout...
  90   */
  91
  92   setbuf(stdout, NULL);
  93
  94   while (copies > 0)
  95   {
  96     if (!getenv("FINAL_CONTENT_TYPE"))
  97       fputs("PAGE: 1 1\n", stderr);
  98
  99     cupsFileRewind(fp);
 100
 101     while ((bytes = cupsFileRead(fp, buffer, sizeof(buffer))) > 0)
 102       if (fwrite(buffer, 1, bytes, stdout) < bytes)
 103       {
 104         fprintf(stderr,
 105                 _("ERROR: Unable to write uncompressed document data: %s\n"),
 106                 strerror(ferror(stdout)));
 107         cupsFileClose(fp);
 108
 109         return (1);
 110       }
 111
 112     copies --;
 113   }
 114
 115  /*
 116   * Close the file and return...
 117   */
 118
 119   cupsFileClose(fp);
 120
 121   return (0);
 122 }
 123
 124
 125 /*
 126  * End of "$Id: gziptoany.c 6420 2007-03-30 20:00:59Z mike $".
 127  */