1/***********************************************************************
2*                                                                      *
3*               This software is part of the ast package               *
4*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
5*                      and is licensed under the                       *
6*                  Common Public License, Version 1.0                  *
7*                    by AT&T Intellectual Property                     *
8*                                                                      *
9*                A copy of the License is available at                 *
10*            http://www.opensource.org/licenses/cpl1.0.txt             *
11*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12*                                                                      *
13*              Information and Software Systems Research               *
14*                            AT&T Research                             *
15*                           Florham Park NJ                            *
16*                                                                      *
17*                 Glenn Fowler <gsf@research.att.com>                  *
18*                  David Korn <dgk@research.att.com>                   *
19*                   Phong Vo <kpv@research.att.com>                    *
20*                                                                      *
21***********************************************************************/
22#pragma prototyped
23/*
24 * Xopen 4.2 compatibility
25 */
26
27#include <ast.h>
28
29#undef	_lib_getsubopt	/* we can satisfy the api */
30
31#if _lib_getsubopt
32
33NoN(getsubopt)
34
35#else
36
37#undef	_BLD_ast	/* enable ast imports since we're user static */
38
39#include <error.h>
40
41extern int
42getsubopt(register char** op, char* const* tp, char** vp)
43{
44	register char*	b;
45	register char*	s;
46	register char*	v;
47
48	if (*(b = *op))
49	{
50		v = 0;
51		s = b;
52		for (;;)
53		{
54			switch (*s++)
55			{
56			case 0:
57				s--;
58				break;
59			case ',':
60				*(s - 1) = 0;
61				break;
62			case '=':
63				if (!v)
64				{
65					*(s - 1) = 0;
66					v = s;
67				}
68				continue;
69			default:
70				continue;
71			}
72			break;
73		}
74		*op = s;
75		*vp = v;
76		for (op = (char**)tp; *op; op++)
77			if (streq(b, *op))
78				return op - (char**)tp;
79	}
80	*vp = b;
81	return -1;
82}
83
84#endif
85