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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [intl/] [relocatable.h] - Blame information for rev 294

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1 269 jeremybenn
/* Provide relocatable packages.
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   Copyright (C) 2003 Free Software Foundation, Inc.
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   Written by Bruno Haible <bruno@clisp.org>, 2003.
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   This program is free software; you can redistribute it and/or modify it
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   under the terms of the GNU Library General Public License as published
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   by the Free Software Foundation; either version 2, or (at your option)
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   any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Library General Public License for more details.
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   You should have received a copy of the GNU Library General Public
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   License along with this program; if not, write to the Free Software
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   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
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   USA.  */
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#ifndef _RELOCATABLE_H
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#define _RELOCATABLE_H
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/* This can be enabled through the configure --enable-relocatable option.  */
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#if ENABLE_RELOCATABLE
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/* When building a DLL, we must export some functions.  Note that because
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   this is a private .h file, we don't need to use __declspec(dllimport)
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   in any case.  */
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#if defined _MSC_VER && BUILDING_DLL
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# define RELOCATABLE_DLL_EXPORTED __declspec(dllexport)
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#else
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# define RELOCATABLE_DLL_EXPORTED
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#endif
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/* Sets the original and the current installation prefix of the package.
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   Relocation simply replaces a pathname starting with the original prefix
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   by the corresponding pathname with the current prefix instead.  Both
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   prefixes should be directory names without trailing slash (i.e. use ""
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   instead of "/").  */
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extern RELOCATABLE_DLL_EXPORTED void
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       set_relocation_prefix (const char *orig_prefix,
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                              const char *curr_prefix);
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/* Returns the pathname, relocated according to the current installation
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   directory.  */
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extern const char * relocate (const char *pathname);
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/* Memory management: relocate() leaks memory, because it has to construct
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   a fresh pathname.  If this is a problem because your program calls
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   relocate() frequently, think about caching the result.  */
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/* Convenience function:
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   Computes the current installation prefix, based on the original
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   installation prefix, the original installation directory of a particular
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   file, and the current pathname of this file.  Returns NULL upon failure.  */
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extern const char * compute_curr_prefix (const char *orig_installprefix,
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                                         const char *orig_installdir,
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                                         const char *curr_pathname);
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#else
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/* By default, we use the hardwired pathnames.  */
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#define relocate(pathname) (pathname)
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#endif
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#endif /* _RELOCATABLE_H */

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