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#ifndef VARMODIFIERS_H
#define VARMODIFIERS_H
/* $OpenPackages$ */
/* $OpenBSD: varmodifiers.h,v 1.6 2007/07/24 18:56:15 espie Exp $ */
/*
* Copyright (c) 1999 Marc Espie.
*
* Extensive code changes for the OpenBSD project.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBSD
* PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* VarModifiers_Init();
* Set up varmodifiers internal table according to selected features.
* This can be called several times without harm. */
extern void VarModifiers_Init(void);
/* result = VarModifiers_Apply(val, name, ctxt, undef_is_bad,
* &should_free, modstart, paren, &length);
* Applies variable modifiers starting at modstart (including :),
* using parenthesis paren, to value val.
* Variables in spec are taken from context ctxt.
* If undef_is_bad, error occurs if undefined variables are mentioned.
* length is filled with the total length of the modifier spec.
* name holds the name of the corresponding variable, as some ODE
* modifiers need it.
*
* If both val and name are NULL, VarModifiers_Apply just parses the
* modifiers specification, as it can't apply it to anything. */
extern char *VarModifiers_Apply(char *, const struct Name *, SymTable *,
bool, bool *, const char *, int, size_t *);
/* Direct interface to specific modifiers used under special circumstances. */
/* tails = Var_GetTail(string);
* Returns the tail of list of words in string (needed for SysV locals). */
extern char *Var_GetTail(char *);
/* heads = Var_GetHead(string);
* Returns the head of list of words in string. */
/* XXX this does not replace foo with ., as (sun) System V make does.
* Should it ? */
extern char *Var_GetHead(char *);
#endif
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