mirror of https://gitee.com/openkylin/cups.git
104 lines
2.0 KiB
C
104 lines
2.0 KiB
C
/*
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* GZIP/raw pre-filter for CUPS.
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*
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* Copyright 2007-2015 by Apple Inc.
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* Copyright 1993-2007 by Easy Software Products.
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*
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* Licensed under Apache License v2.0. See the file "LICENSE" for more information.
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*/
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/*
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* Include necessary headers...
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*/
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#include <cups/cups-private.h>
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/*
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* 'main()' - Copy (and uncompress) files to stdout.
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*/
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int /* O - Exit status */
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main(int argc, /* I - Number of command-line arguments */
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char *argv[]) /* I - Command-line arguments */
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{
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cups_file_t *fp; /* File */
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char buffer[8192]; /* Data buffer */
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ssize_t bytes; /* Number of bytes read/written */
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int copies; /* Number of copies */
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/*
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* Check command-line...
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*/
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if (argc < 6 || argc > 7)
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{
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_cupsLangPrintf(stderr,
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_("Usage: %s job-id user title copies options [file]"),
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argv[0]);
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return (1);
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}
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/*
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* Get the copy count; if we have no final content type, this is a
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* raw queue or raw print file, so we need to make copies...
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*/
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if (!getenv("FINAL_CONTENT_TYPE"))
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copies = atoi(argv[4]);
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else
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copies = 1;
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/*
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* Open the file...
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*/
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if (argc == 6)
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{
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copies = 1;
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fp = cupsFileStdin();
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}
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else if ((fp = cupsFileOpen(argv[6], "r")) == NULL)
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{
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fprintf(stderr, "DEBUG: Unable to open \"%s\".\n", argv[6]);
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_cupsLangPrintError("ERROR", _("Unable to open print file"));
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return (1);
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}
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/*
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* Copy the file to stdout...
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*/
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while (copies > 0)
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{
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if (!getenv("FINAL_CONTENT_TYPE"))
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fputs("PAGE: 1 1\n", stderr);
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cupsFileRewind(fp);
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while ((bytes = cupsFileRead(fp, buffer, sizeof(buffer))) > 0)
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if (write(1, buffer, (size_t)bytes) < bytes)
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{
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_cupsLangPrintFilter(stderr, "ERROR",
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_("Unable to write uncompressed print data: %s"),
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strerror(errno));
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if (argc == 7)
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cupsFileClose(fp);
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return (1);
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}
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copies --;
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}
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/*
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* Close the file and return...
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*/
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if (argc == 7)
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cupsFileClose(fp);
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return (0);
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}
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