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36 lines
1.4 KiB
36 lines
1.4 KiB
/* variable.h: Declare variable expander. |
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Copyright (C) 1993 Karl Berry. |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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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 |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ |
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#ifndef KPATHSEA_VARIABLE_H |
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#define KPATHSEA_VARIABLE_H |
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#include <kpathsea/c-proto.h> |
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#include <kpathsea/types.h> |
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/* Expand $VAR and ${VAR} references in SRC, returning the (always |
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dynamically-allocated) result. An unterminated ${ or any other |
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character following $ produce error messages, and that part of SRC is |
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ignored. In the $VAR form, the variable name consists of consecutive |
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letters, digits, and underscores. In the ${VAR} form, the variable |
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name consists of whatever is between the braces. In any case, |
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``expansion'' just means calling `getenv'; if the variable is not |
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set, the expansion is the empty string. */ |
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extern string kpse_var_expand P1H(const_string src); |
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#endif /* not KPATHSEA_VARIABLE_H */
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