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/*-
* Copyright (c) 2002 Juli Mallett.
* Copyright (c) 1988, 1989, 1990, 1993
* The Regents of the University of California. All rights reserved.
* Copyright (c) 1989 by Berkeley Softworks
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Adam de Boor.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
* $FreeBSD$
*/
#ifndef var_h_9cccafce
#define var_h_9cccafce
struct Buffer;
struct GNode;
struct List;
/* Variables defined in a global context, e.g in the Makefile itself */
extern struct GNode *VAR_GLOBAL;
/* Variables defined on the command line */
extern struct GNode *VAR_CMD;
/*
* Value returned by Var_Parse when an error is encountered. It actually
* points to an empty string, so naive callers needn't worry about it.
*/
extern char var_Error[];
/*
* TRUE if environment should be searched for all variables before
* the global context
*/
extern Boolean checkEnvFirst;
/* Do old-style variable substitution */
extern Boolean oldVars;
void Var_Append(const char *, const char *, struct GNode *);
void Var_Delete(const char *, struct GNode *);
void Var_Dump(void);
Boolean Var_Exists(const char *, struct GNode *);
void Var_Init(char **);
size_t Var_Match(const char [], struct GNode *);
char *Var_Parse(const char *, struct GNode *, Boolean, size_t *, Boolean *);
void Var_Print(struct Lst *, Boolean);
void Var_Set(const char *, const char *, struct GNode *);
void Var_SetGlobal(const char *, const char *);
void Var_SetEnv(const char *, struct GNode *);
struct Buffer *Var_Subst(const char *, struct GNode *, Boolean);
struct Buffer *Var_SubstOnly(const char *, const char *, Boolean);
const char *Var_Value(const char [], struct GNode *);
#endif /* var_h_9cccafce */
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