* Copyright (c) 1991 The Regents of the University of California.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 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
static char sccsid
[] = "@(#)genget.c 5.1 (Berkeley) 2/28/91";
#define LOWER(x) (isupper(x) ? tolower(x) : (x))
* The prefix function returns 0 if *s1 is not a prefix
* of *s2. If *s1 exactly matches *s2, the negative of
* the length is returned. If *s1 is a prefix of *s2,
* the length of *s1 is returned.
while (LOWER(c1
) == LOWER(c2
)) {
return(*s1
? 0 : (*s2
? (s1
- os1
) : (os1
- s1
)));
static char *ambiguous
; /* special return value for command routines */
genget(name
, table
, stlen
)
char *name
; /* name to match */
char **table
; /* name entry in table */
register char **c
, **found
;
for (c
= table
; *c
!= 0; c
= (char **)((char *)c
+ stlen
)) {
if ((n
= isprefix(name
, *c
)) == 0)
if (n
< 0) /* exact match */
* Function call version of Ambiguous()
return((char **)s
== &ambiguous
);