/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* Copyright (c) 1988 AT&T */ /* All Rights Reserved */ #pragma ident "%Z%%M% %I% %E% SMI" /* * getsubopt - parse suboptions from a flag argument. */ #pragma weak _getsubopt = getsubopt #include "lint.h" #include #include #include #include int getsubopt(char **optionsp, char * const *tokens, char **valuep) { char *s = *optionsp, *p; int i; size_t optlen; *valuep = NULL; if (*s == '\0') return (-1); p = strchr(s, ','); /* find next option */ if (p == NULL) { p = s + strlen(s); } else { *p++ = '\0'; /* mark end and point to next */ } *optionsp = p; /* point to next option */ p = strchr(s, '='); /* find value */ if (p == NULL) { optlen = strlen(s); *valuep = NULL; } else { optlen = p - s; *valuep = ++p; } for (i = 0; tokens[i] != NULL; i++) { if ((optlen == strlen(tokens[i])) && (strncmp(s, tokens[i], optlen) == 0)) return (i); } /* no match, point value at option and return error */ *valuep = s; return (-1); }