138494Sobrien/* 2174294Sobrien * Copyright (c) 1997-2006 Erez Zadok 338494Sobrien * Copyright (c) 1990 Jan-Simon Pendry 438494Sobrien * Copyright (c) 1990 Imperial College of Science, Technology & Medicine 538494Sobrien * Copyright (c) 1990 The Regents of the University of California. 638494Sobrien * All rights reserved. 738494Sobrien * 838494Sobrien * This code is derived from software contributed to Berkeley by 938494Sobrien * Jan-Simon Pendry at Imperial College, London. 1038494Sobrien * 1138494Sobrien * Redistribution and use in source and binary forms, with or without 1238494Sobrienn * modification, are permitted provided that the following conditions 1338494Sobrien * are met: 1438494Sobrien * 1. Redistributions of source code must retain the above copyright 1538494Sobrien * notice, this list of conditions and the following disclaimer. 1638494Sobrien * 2. Redistributions in binary form must reproduce the above copyright 1738494Sobrien * notice, this list of conditions and the following disclaimer in the 1838494Sobrien * documentation and/or other materials provided with the distribution. 1938494Sobrien * 3. All advertising materials mentioning features or use of this software 2042629Sobrien * must display the following acknowledgment: 2138494Sobrien * This product includes software developed by the University of 2238494Sobrien * California, Berkeley and its contributors. 2338494Sobrien * 4. Neither the name of the University nor the names of its contributors 2438494Sobrien * may be used to endorse or promote products derived from this software 2538494Sobrien * without specific prior written permission. 2638494Sobrien * 2738494Sobrien * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2838494Sobrien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2938494Sobrien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 3038494Sobrien * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 3138494Sobrien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 3238494Sobrien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 3338494Sobrien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3438494Sobrien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3538494Sobrien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3638494Sobrien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3738494Sobrien * SUCH DAMAGE. 3838494Sobrien * 3938494Sobrien * 40174294Sobrien * File: am-utils/libamu/hasmntopt.c 4138494Sobrien * 4238494Sobrien */ 4338494Sobrien 4438494Sobrien#ifdef HAVE_CONFIG_H 4538494Sobrien# include <config.h> 4638494Sobrien#endif /* HAVE_CONFIG_H */ 4738494Sobrien#include <am_defs.h> 4838494Sobrien#include <amu.h> 4938494Sobrien 5038494Sobrien#ifndef MNTMAXSTR 51174294Sobrien# define MNTMAXSTR 256 5238494Sobrien#endif /* not MNTMAXSTR */ 5338494Sobrien 5438494Sobrien 5538494Sobrien/* 5638494Sobrien * Some systems don't provide these to the user, 5738494Sobrien * but amd needs them, so... 5838494Sobrien * 5938494Sobrien * From: Piete Brooks <pb@cl.cam.ac.uk> 6038494Sobrien */ 6138494Sobrienstatic char * 6238494Sobriennextmntopt(char **p) 6338494Sobrien{ 6438494Sobrien char *cp = *p; 6538494Sobrien char *rp; 6638494Sobrien 6738494Sobrien /* 6838494Sobrien * Skip past white space 6938494Sobrien */ 70174294Sobrien while (*cp && isspace((int) *cp)) 7138494Sobrien cp++; 7238494Sobrien 7338494Sobrien /* 7438494Sobrien * Word starts here 7538494Sobrien */ 7638494Sobrien rp = cp; 7738494Sobrien 7838494Sobrien /* 7938494Sobrien * Scan to send of string or separator 8038494Sobrien */ 8138494Sobrien while (*cp && *cp != ',') 8238494Sobrien cp++; 8338494Sobrien 8438494Sobrien /* 8542629Sobrien * If separator found the overwrite with null char. 8638494Sobrien */ 8738494Sobrien if (*cp) { 8838494Sobrien *cp = '\0'; 8938494Sobrien cp++; 9038494Sobrien } 9138494Sobrien 9238494Sobrien /* 9338494Sobrien * Return value for next call 9438494Sobrien */ 9538494Sobrien *p = cp; 9638494Sobrien return rp; 9738494Sobrien} 9838494Sobrien 99174294Sobrien 10038494Sobrien/* 10138494Sobrien * replacement for hasmntopt if the system does not have it. 10238494Sobrien */ 10338494Sobrienchar * 104174294Sobrienamu_hasmntopt(mntent_t *mnt, char *opt) 10538494Sobrien{ 10638494Sobrien char t[MNTMAXSTR]; 10738494Sobrien char *f; 10838494Sobrien char *o = t; 10938494Sobrien int l = strlen(opt); 11038494Sobrien 111174294Sobrien xstrlcpy(t, mnt->mnt_opts, sizeof(t)); 11238494Sobrien 11338494Sobrien while (*(f = nextmntopt(&o))) 11438494Sobrien if (NSTREQ(opt, f, l)) 11538494Sobrien return f - t + mnt->mnt_opts; 11638494Sobrien 11738494Sobrien return 0; 11838494Sobrien} 119