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Viewing changes to base/gsiodevs.c

  • Committer: Bazaar Package Importer
  • Author(s): Till Kamppeter
  • Date: 2009-01-20 16:40:45 UTC
  • mfrom: (1.1.10 upstream)
  • Revision ID: james.westby@ubuntu.com-20090120164045-lnfhi0n30o5lwhwa
Tags: 8.64.dfsg.1~svn9377-0ubuntu1
https://launchpad.net/bugs/317810
https://launchpad.net/bugs/314439
https://launchpad.net/bugs/314018
* New upstream release (SVN rev 9377)
   o Fixes many bugs concerning PDF rendering, to make the PDF printing
     workflow correctly working.
   o Fixes long-standing bugs in many drivers, like input paper tray and
     duplex options not working for the built-in PCL 4, 5, 5c, 5e, and
     6/XL drivers, PDF input not working for bjc600, bjc800, and cups
     output devices, several options not working and uninitialized
     memory with cups output device.
   o Merged nearly all patches of the Ubuntu and Debian packages upstream.
   o Fixes LP: #317810, LP: #314439, LP: #314018.
* debian/patches/03_libpaper_support.dpatch,
  debian/patches/11_gs-cjk_font_glyph_handling_fix.dpatch,
  debian/patches/12_gs-cjk_vertical_writing_metrics_fix.dpatch,
  debian/patches/13_gs-cjk_cjkps_examples.dpatch,
  debian/patches/20_bbox_segv_fix.dpatch,
  debian/patches/21_brother_7x0_gdi_fix.dpatch,
  debian/patches/22_epsn_margin_workaround.dpatch,
  debian/patches/24_gs_man_fix.dpatch,
  debian/patches/25_toolbin_insecure_tmp_usage_fix.dpatch,
  debian/patches/26_assorted_script_fixes.dpatch,
  debian/patches/29_gs_css_fix.dpatch,
  debian/patches/30_ps2pdf_man_improvement.dpatch,
  debian/patches/31_fix-gc-sigbus.dpatch,
  debian/patches/34_ftbfs-on-hurd-fix.dpatch,
  debian/patches/35_disable_libcairo.dpatch,
  debian/patches/38_pxl-duplex.dpatch,
  debian/patches/39_pxl-resolution.dpatch,
  debian/patches/42_gs-init-ps-delaybind-fix.dpatch,
  debian/patches/45_bjc600-bjc800-pdf-input.dpatch,
  debian/patches/48_cups-output-device-pdf-duplex-uninitialized-memory-fix.dpatch,
  debian/patches/50_lips4-floating-point-exception.dpatch,
  debian/patches/52_cups-device-logging.dpatch,
  debian/patches/55_pcl-input-slot-fix.dpatch,
  debian/patches/57_pxl-input-slot-fix.dpatch,
  debian/patches/60_pxl-cups-driver-pdf.dpatch,
  debian/patches/62_onebitcmyk-pdf.dpatch,
  debian/patches/65_too-big-temp-files-1.dpatch,
  debian/patches/67_too-big-temp-files-2.dpatch,
  debian/patches/70_take-into-account-data-in-stream-buffer-before-refill.dpatch:
  Removed, applied upstream.
* debian/patches/01_docdir_fix_for_debian.dpatch,
  debian/patches/02_gs_man_fix_debian.dpatch,
  debian/patches/01_docdir-fix-for-debian.dpatch,
  debian/patches/02_docdir-fix-for-debian.dpatch: Renamed patches to
  make merging with Debian easier.
* debian/patches/32_improve-handling-of-media-size-changes-from-gv.dpatch, 
  debian/patches/33_bad-params-to-xinitimage-on-large-bitmaps.dpatch:
  regenerated for new source directory structure.
* debian/rules: Corrected paths to remove cidfmap (it is in Resource/Init/
  in GS 8.64) and to install headers (source paths are psi/ and base/ now).
* debian/rules: Remove all fontmaps, as DeFoMa replaces them.
* debian/local/pdftoraster/pdftoraster.c,
  debian/local/pdftoraster/pdftoraster.convs, debian/rules: Removed
  added pdftoraster filter and use the one which comes with Ghostscript.
* debian/ghostscript.links: s/8.63/8.64/

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base/gsiodevs.c
 
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/* Copyright (C) 2001-2006 Artifex Software, Inc.
 
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   All Rights Reserved.
 
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   This software is provided AS-IS with no warranty, either express or
 
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   implied.
 
6
 
 
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   This software is distributed under license and may not be copied, modified
 
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   or distributed except as expressly authorized under the terms of that
 
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   license.  Refer to licensing information at http://www.artifex.com/
 
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   or contact Artifex Software, Inc.,  7 Mt. Lassen Drive - Suite A-134,
 
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   San Rafael, CA  94903, U.S.A., +1(415)492-9861, for further information.
 
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*/
 
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/* $Id: gsiodevs.c 8250 2007-09-25 13:31:24Z giles $ */
 
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/* %stdxxx IODevice implementation for non-PostScript configurations */
 
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#include "gx.h"
 
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#include "gserrors.h"
 
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#include "gxiodev.h"
 
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#include "stream.h"
 
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#include "strimpl.h"
 
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const char iodev_dtype_stdio[] = "Special";
 
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#define iodev_stdio(dname, open) {\
 
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    dname, iodev_dtype_stdio,\
 
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        { iodev_no_init, open, iodev_no_open_file,\
 
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          iodev_no_fopen, iodev_no_fclose,\
 
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          iodev_no_delete_file, iodev_no_rename_file, iodev_no_file_status,\
 
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          iodev_no_enumerate_files, NULL, NULL,\
 
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          iodev_no_get_params, iodev_no_put_params\
 
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        }\
 
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}
 
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#define STDIO_BUF_SIZE 128
 
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static int
 
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stdio_close_file(stream *s)
 
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{
 
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    /* Don't close stdio files, but do free the buffer. */
 
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    gs_memory_t *mem = s->memory;
 
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    s->file = 0;
 
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    gs_free_object(mem, s->cbuf, "stdio_close_file(buffer)");
 
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    return 0;
 
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}
 
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static int
 
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stdio_open(gx_io_device * iodev, const char *access, stream ** ps,
 
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           gs_memory_t * mem, char rw, FILE *file,
 
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           void (*srw_file)(stream *, FILE *, byte *, uint))
 
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{
 
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    stream *s;
 
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    byte *buf;
 
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    if (!streq1(access, rw))
 
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        return_error(gs_error_invalidfileaccess);
 
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    s = s_alloc(mem, "stdio_open(stream)");
 
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    buf = gs_alloc_bytes(mem, STDIO_BUF_SIZE, "stdio_open(buffer)");
 
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    if (s == 0 || buf == 0) {
 
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        gs_free_object(mem, buf, "stdio_open(buffer)");
 
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        gs_free_object(mem, s, "stdio_open(stream)");
 
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        return_error(gs_error_VMerror);
 
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    }
 
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    srw_file(s, file, buf, STDIO_BUF_SIZE);
 
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    s->procs.close = stdio_close_file;
 
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    *ps = s;
 
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    return 0;
 
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}
 
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static int
 
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stdin_open(gx_io_device * iodev, const char *access, stream ** ps,
 
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           gs_memory_t * mem)
 
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{
 
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    return stdio_open(iodev, access, ps, mem, 'r', 
 
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                      mem->gs_lib_ctx->fstdin, sread_file);
 
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}
 
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const gx_io_device gs_iodev_stdin = iodev_stdio("%stdin%", stdin_open);
 
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static int
 
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stdout_open(gx_io_device * iodev, const char *access, stream ** ps,
 
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            gs_memory_t * mem)
 
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{
 
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    return stdio_open(iodev, access, ps, mem, 'w', 
 
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                      mem->gs_lib_ctx->fstdout, swrite_file);
 
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}
 
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const gx_io_device gs_iodev_stdout = iodev_stdio("%stdout%", stdout_open);
 
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static int
 
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stderr_open(gx_io_device * iodev, const char *access, stream ** ps,
 
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            gs_memory_t * mem)
 
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{
 
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    return stdio_open(iodev, access, ps, mem, 'w', 
 
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                      mem->gs_lib_ctx->fstderr, swrite_file);
 
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}
 
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const gx_io_device gs_iodev_stderr = iodev_stdio("%stderr%", stderr_open);