1 /* $NetBSD: getsubopt.c,v 1.4 1998/02/03 18:44:15 perry Exp $ */
4 * Copyright (c) 1990, 1993
5 * The Regents of the University of California. All rights reserved.
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8 * modification, are permitted provided that the following conditions
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12 * 2. Redistributions in binary form must reproduce the above copyright
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15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the University of
18 * California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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36 #if ((!defined(WIN32))&&(!defined(macintosh)))
37 #include <sys/cdefs.h>
39 #if defined(LIBC_SCCS) && !defined(lint)
41 static char sccsid[] = "@(#)getsubopt.c 8.1 (Berkeley) 6/4/93";
43 __RCSID("$NetBSD: getsubopt.c,v 1.4 1998/02/03 18:44:15 perry Exp $");
45 #endif /* LIBC_SCCS and not lint */
51 #endif /* HAVE_UNISTD_H */
52 #if (defined(WIN32)||(defined(macintosh)))
54 LIBSASL_API int getsubopt(char **optionp, char * const *tokens, char **valuep);
57 * The SVID interface to getsubopt provides no way of figuring out which
58 * part of the suboptions list wasn't matched. This makes error messages
59 * tricky... The extern variable suboptarg is a pointer to the token
65 getsubopt(optionp, tokens, valuep)
66 char **optionp, **valuep;
72 suboptarg = *valuep = NULL;
74 if (!optionp || !*optionp)
77 /* skip leading white-space, commas */
78 for (p = *optionp; *p && (*p == ',' || *p == ' ' || *p == '\t'); ++p);
85 /* save the start of the token, and skip the rest of the token. */
87 *++p && *p != ',' && *p != '=' && *p != ' ' && *p != '\t';);
91 * If there's an equals sign, set the value pointer, and
92 * skip over the value part of the token. Terminate the
98 *p && *p != ',' && *p != ' ' && *p != '\t'; ++p);
103 /* Skip any whitespace or commas after this token. */
104 for (; *p && (*p == ',' || *p == ' ' || *p == '\t'); ++p);
107 /* set optionp for next round. */
110 for (cnt = 0; *tokens; ++tokens, ++cnt)
111 if (!strcmp(suboptarg, *tokens))