67 lines
2.4 KiB
C
67 lines
2.4 KiB
C
/*
|
|
* Copyright (c) 1996, 1997, 1998 Shigio Yamaguchi. All rights reserved.
|
|
*
|
|
* 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 Shigio Yamaguchi.
|
|
* 4. Neither the name of the author nor the names of any co-contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
|
*
|
|
* defined.c 12-Nov-98
|
|
*
|
|
*/
|
|
#include <stdlib.h>
|
|
|
|
#include "die.h"
|
|
#include "dbop.h"
|
|
#include "defined.h"
|
|
#include "makepath.h"
|
|
|
|
static DBOP *dbop = NULL;
|
|
|
|
/*
|
|
* Tag command that supports referenced tag must call this function
|
|
* to decide whether or not the tag is defined.
|
|
*/
|
|
int
|
|
defined(name)
|
|
const char *name;
|
|
{
|
|
if (dbop == NULL) {
|
|
const char *dbpath;
|
|
|
|
/*
|
|
* gtags(1) set GTAGSDBPATH to the path GTAGS exist.
|
|
*/
|
|
if (!(dbpath = getenv("GTAGSDBPATH")))
|
|
dbpath = ".";
|
|
dbop = dbop_open(makepath(dbpath, "GTAGS"), 0, 0, 0);
|
|
if (dbop == NULL)
|
|
die1("GTAGS not found. (%s)", makepath(dbpath, "GTAGS"));
|
|
}
|
|
if (dbop_get(dbop, name))
|
|
return 1;
|
|
return 0;
|
|
}
|