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Diffstat (limited to 'contrib/global/lib/lookup.c')
-rw-r--r-- | contrib/global/lib/lookup.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/contrib/global/lib/lookup.c b/contrib/global/lib/lookup.c new file mode 100644 index 0000000..0583d6b --- /dev/null +++ b/contrib/global/lib/lookup.c @@ -0,0 +1,64 @@ +/* + * Copyright (c) 1996, 1997 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. + * + * lookup.c 20-Oct-97 + * + */ +#include "gtagsopen.h" +#include "lookup.h" +#include "dbio.h" +#include "die.h" +#include "dbname.h" + +static DBIO *dbio; +static int opened; + +void +lookupopen(dbpath) +char *dbpath; +{ + if (opened) + die("nested call to lookupopen."); + opened = 1; + dbio = gtagsopen(dbpath, GTAGS, 0); +} +int +lookup(name) +char *name; +{ + char *p = db_get(dbio, name); + return (p) ? 1 : 0; +} +void +lookupclose() +{ + db_close(dbio); + opened = 0; +} |