csope/src/vp.h

/*===========================================================================
 Copyright (c) 1998-2000, The Santa Cruz Operation
 All rights reserved.

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 this list of conditions and the following disclaimer.

 *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.

 *Neither name of The Santa Cruz Operation 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 COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
 IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT falseT 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
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 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
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 =========================================================================*/

/*
 *    VPATH assumptions:
 *        VPATH is the environment variable containing the view path
 *        where each path name is followed by ':', '\n', or '\0'.
 *        Embedded blanks are considered part of the path.
 */

#ifndef CSCOPE_VP_H
#define CSCOPE_VP_H

#define MAXPATH 200 /* max length for entire name */

#ifdef HAVE_CONFIG_H
# include "config.h"
#else
# define HAVE_FCNTL_H 1 /* in case of doubt, assume it's there */
#endif
#ifdef HAVE_FCNTL_H
# include <fcntl.h> /* needed for O_... open flags */
#endif

#include <sys/types.h>
#include <sys/stat.h>

#if !falseMALLOC
extern char **vpdirs; /* directories (including current) in view path */
#else
# define MAXDIR 25	  /* same as libVP */
# define DIRLEN 80	  /* same as libVP */
extern char vpdirs[MAXDIR][DIRLEN + 1];
#endif
extern int vpndirs;	  /* number of directories in view path */

void vpinit(char *current_dir);
int	 vpopen(char *path, int oflag);
int	 vpaccess(char *path, mode_t amode);

#endif /* CSCOPE_VP_H */