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author | Karl Berry <karl@freefriends.org> | 2006-01-17 21:41:51 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2006-01-17 21:41:51 +0000 |
commit | 487ca4806cc046076293cf6cc5fbba0db282bac7 (patch) | |
tree | 847b412ab5158dd7bdd7ed7e5a4cc3fbca94be32 /Build/source/texk/kpathsea/variable.h | |
parent | a3d3111bfe26b8e5f5bc6049dfb2a4ca2edc7881 (diff) |
texk 1
git-svn-id: svn://tug.org/texlive/trunk@1485 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/kpathsea/variable.h')
-rw-r--r-- | Build/source/texk/kpathsea/variable.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/Build/source/texk/kpathsea/variable.h b/Build/source/texk/kpathsea/variable.h new file mode 100644 index 00000000000..07d549852c6 --- /dev/null +++ b/Build/source/texk/kpathsea/variable.h @@ -0,0 +1,44 @@ +/* variable.h: Declare variable expander. + + Copyright (C) 1993, 95 Karl Berry. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +*/ + +#ifndef KPATHSEA_VARIABLE_H +#define KPATHSEA_VARIABLE_H + +#include <kpathsea/c-proto.h> +#include <kpathsea/types.h> + + +/* Return the (variable-expanded) environment variable value or config + file value, or NULL. */ +extern KPSEDLL string kpse_var_value P1H(const_string var); + +/* Expand $VAR and ${VAR} references in SRC, returning the (always newly + dynamically-allocated) result. An unterminated ${ or any other + character following $ produce error messages, and that part of SRC is + ignored. In the $VAR form, the variable name consists of consecutive + letters, digits, and underscores. In the ${VAR} form, the variable + name consists of whatever is between the braces. + + In any case, ``expansion'' means calling `getenv'; if the variable is not + set, look in texmf.cnf files for a definition. If not set there, either, + the expansion is the empty string (no error). */ +extern KPSEDLL string kpse_var_expand P1H(const_string src); + +#endif /* not KPATHSEA_VARIABLE_H */ |