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/* Copyright (C) 2000 Aladdin Enterprises. All rights reserved.
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This software is provided AS-IS with no warranty, either express or
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implied.
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This software is distributed under license and may not be copied,
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modified or distributed except as expressly authorized under the terms
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of the license contained in the file LICENSE in this distribution.
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For more information about licensing, please refer to
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http://www.ghostscript.com/licensing/. For information on
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commercial licensing, go to http://www.artifex.com/licensing/ or
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contact Artifex Software, Inc., 101 Lucas Valley Road #110,
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San Rafael, CA 94903, U.S.A., +1(415)492-9861.
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*/
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/* $Id: gpmisc.h,v 1.12 2003/08/16 07:53:27 raph Exp $ */
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/* Miscellaneous support for platform facilities */
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#ifndef gpmisc_INCLUDED
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# define gpmisc_INCLUDED
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/*
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* The facilities defined in this file and implemented in gpmisc.c are
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* generic utilities shared among multiple gp_ platform files.
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*/
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/*
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* Get the name of the directory for temporary files, if any. Currently
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* this checks the TMPDIR and TEMP environment variables, in that order.
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* The return value and the setting of *ptr and *plen are as for gp_getenv.
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*/
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int gp_gettmpdir(char *ptr, int *plen);
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/*
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* Open a temporary file, using O_EXCL and S_IRWXU to prevent race
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* conditions and symlink attacks.
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*/
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FILE *gp_fopentemp(const char *fname, const char *mode);
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/*
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* Combine a file name with a prefix.
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* Concatenates two paths and reduce parent references and current
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* directory references from the concatenation when possible.
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* The trailing zero byte is being added.
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*/
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gp_file_name_combine_result gp_file_name_combine_generic(const char *prefix, uint plen,
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const char *fname, uint flen, bool no_sibling, char *buffer, uint *blen);
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/*
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* Reduces parent references and current directory references when possible.
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* The trailing zero byte is being added.
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*/
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gp_file_name_combine_result gp_file_name_reduce(const char *fname, uint flen,
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char *buffer, uint *blen);
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/*
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* Answers whether a file name is absolute (starts from a root).
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*/
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bool gp_file_name_is_absolute(const char *fname, uint flen);
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/*
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* Returns length of all starting parent references.
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*/
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uint gp_file_name_parents(const char *fname, uint flen);
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/*
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* Returns length of all starting cwd references.
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*/
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uint gp_file_name_cwds(const char *fname, uint flen);
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#endif /* gpmisc_INCLUDED */
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