1 /* $NetBSD: shquotev.c,v 1.2 2001/03/10 20:54:53 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2001 Christopher G. Demetriou 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed for the 18 * NetBSD Project. See http://www.netbsd.org/ for 19 * information about NetBSD. 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 * 34 * <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>> 35 */ 36 37 #include <stdlib.h> 38 39 /* 40 * shquotev(): 41 * 42 * Apply shquote() to a set of strings, separating the results by spaces. 43 */ 44 45 size_t 46 shquotev(int argc, char * const * argv, char *buf, size_t bufsize) 47 { 48 size_t rv, callrv; 49 int i; 50 51 rv = 0; 52 53 if (argc == 0) { 54 if (bufsize != 0) 55 *buf = '\0'; 56 return rv; 57 } 58 59 for (i = 0; i < argc; i++) { 60 callrv = shquote(argv[i], buf, bufsize); 61 if (callrv == (size_t)-1) 62 goto bad; 63 rv += callrv; 64 buf += callrv; 65 bufsize = (bufsize > callrv) ? (bufsize - callrv) : 0; 66 67 if (i < (argc - 1)) { 68 rv++; 69 if (bufsize > 1) { 70 *buf++ = ' '; 71 bufsize--; 72 } 73 } 74 } 75 76 return rv; 77 78 bad: 79 return (size_t)-1; 80 } 81