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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:17:24 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:17:24 +0000 |
commit | 9d8085074991d5c0a42d6fc96a2d1a3ee918aad1 (patch) | |
tree | c85bca1e6c11eb872edfc64c524d20f2b7e3307b /lib/intl/relocatable.h | |
parent | Initial commit. (diff) | |
download | bash-upstream/5.1.tar.xz bash-upstream/5.1.zip |
Adding upstream version 5.1.upstream/5.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/intl/relocatable.h')
-rw-r--r-- | lib/intl/relocatable.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/lib/intl/relocatable.h b/lib/intl/relocatable.h new file mode 100644 index 0000000..de57f44 --- /dev/null +++ b/lib/intl/relocatable.h @@ -0,0 +1,69 @@ +/* relocatable.h - Provide relocatable packages. */ + +/* Copyright (C) 2003, 2005-2009 Free Software Foundation, Inc. + Written by Bruno Haible <bruno@clisp.org>, 2003. + + This file is part of GNU Bash. + + Bash is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + Bash is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with Bash. If not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef _RELOCATABLE_H +#define _RELOCATABLE_H + +/* This can be enabled through the configure --enable-relocatable option. */ +#if ENABLE_RELOCATABLE + +/* When building a DLL, we must export some functions. Note that because + this is a private .h file, we don't need to use __declspec(dllimport) + in any case. */ +#if defined _MSC_VER && BUILDING_DLL +# define RELOCATABLE_DLL_EXPORTED __declspec(dllexport) +#else +# define RELOCATABLE_DLL_EXPORTED +#endif + +/* Sets the original and the current installation prefix of the package. + Relocation simply replaces a pathname starting with the original prefix + by the corresponding pathname with the current prefix instead. Both + prefixes should be directory names without trailing slash (i.e. use "" + instead of "/"). */ +extern RELOCATABLE_DLL_EXPORTED void + set_relocation_prefix (const char *orig_prefix, + const char *curr_prefix); + +/* Returns the pathname, relocated according to the current installation + directory. */ +extern const char * relocate (const char *pathname); + +/* Memory management: relocate() leaks memory, because it has to construct + a fresh pathname. If this is a problem because your program calls + relocate() frequently, think about caching the result. */ + +/* Convenience function: + Computes the current installation prefix, based on the original + installation prefix, the original installation directory of a particular + file, and the current pathname of this file. Returns NULL upon failure. */ +extern const char * compute_curr_prefix (const char *orig_installprefix, + const char *orig_installdir, + const char *curr_pathname); + +#else + +/* By default, we use the hardwired pathnames. */ +#define relocate(pathname) (pathname) + +#endif + +#endif /* _RELOCATABLE_H */ |