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/*
* "$Id$"
*
* GZIP pre-filter for the Common UNIX Printing System (CUPS).
*
* Copyright 1993-2005 by Easy Software Products.
*
* These coded instructions, statements, and computer programs are the
* property of Easy Software Products and are protected by Federal
* copyright law. Distribution and use rights are outlined in the file
* "LICENSE.txt" which should have been included with this file. If this
* file is missing or damaged please contact Easy Software Products
* at:
*
* Attn: CUPS Licensing Information
* Easy Software Products
* 44141 Airport View Drive, Suite 204
* Hollywood, Maryland 20636 USA
*
* Voice: (301) 373-9600
* EMail: cups-info@cups.org
* WWW: http://www.cups.org
*
* This file is subject to the Apple OS-Developed Software exception.
*
* Contents:
*
* main() - Uncompress gzip'd files and send them to stdout...
*/
/*
* Include necessary headers...
*/
#include <cups/string.h>
#include <stdlib.h>
#include <errno.h>
#ifdef HAVE_LIBZ
# include <zlib.h>
#endif /* HAVE_LIBZ */
/*
* 'main()' - Uncompress gzip'd files and send them to stdout...
*/
int /* O - Exit status */
main(int argc, /* I - Number of command-line arguments */
char *argv[]) /* I - Command-line arguments */
{
#ifdef HAVE_LIBZ
gzFile fp; /* GZIP'd file */
char buffer[8192]; /* Data buffer */
int bytes; /* Number of bytes read/written */
int copies; /* Number of copies */
const char *content_type; /* Content type for file... */
/*
* Check command-line...
*/
if (argc != 7)
{
fputs("ERROR: gziptoany job-id user title copies options file\n", stderr);
return (1);
}
/*
* Get the copy count; if the MIME type is "application/vnd.cups-raw" then
* make copies since the file is going straight to a backend...
*/
if ((content_type = getenv("CONTENT_TYPE")) != NULL &&
!strcasecmp(content_type, "application/vnd.cups-raw"))
copies = atoi(argv[4]);
else
copies = 1;
/*
* Open the gzip file...
*/
if ((fp = gzopen(argv[6], "rb")) == NULL)
{
fprintf(stderr, "ERROR: Unable to open GZIP file: %s\n", strerror(errno));
return (1);
}
/*
* Copy the gzip file to stdout...
*/
setbuf(stdout, NULL);
while (copies > 0)
{
gzrewind(fp);
while ((bytes = gzread(fp, buffer, sizeof(buffer))) > 0)
if (fwrite(buffer, 1, bytes, stdout) < bytes)
{
fprintf(stderr, "ERROR: Unable to write uncompressed document data: %s\n",
strerror(ferror(stdout)));
gzclose(fp);
return (1);
}
copies --;
}
/*
* Close the file and return...
*/
gzclose(fp);
return (0);
#else
fputs("INFO: Hint: recompile CUPS with ZLIB.\n", stderr);
fputs("ERROR: GZIP compression support not compiled in!\n", stderr);
return (1);
#endif /* HAVE_LIBZ */
}
/*
* End of "$Id$".
*/
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