shquotev.c revision 1.2.2.2
1 1.2.2.2 nathanw /* $NetBSD: shquotev.c,v 1.2.2.2 2001/10/08 20:19:25 nathanw Exp $ */ 2 1.2.2.2 nathanw 3 1.2.2.2 nathanw /* 4 1.2.2.2 nathanw * Copyright (c) 2001 Christopher G. Demetriou 5 1.2.2.2 nathanw * All rights reserved. 6 1.2.2.2 nathanw * 7 1.2.2.2 nathanw * Redistribution and use in source and binary forms, with or without 8 1.2.2.2 nathanw * modification, are permitted provided that the following conditions 9 1.2.2.2 nathanw * are met: 10 1.2.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 11 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer. 12 1.2.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 14 1.2.2.2 nathanw * documentation and/or other materials provided with the distribution. 15 1.2.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 16 1.2.2.2 nathanw * must display the following acknowledgement: 17 1.2.2.2 nathanw * This product includes software developed for the 18 1.2.2.2 nathanw * NetBSD Project. See http://www.netbsd.org/ for 19 1.2.2.2 nathanw * information about NetBSD. 20 1.2.2.2 nathanw * 4. The name of the author may not be used to endorse or promote products 21 1.2.2.2 nathanw * derived from this software without specific prior written permission. 22 1.2.2.2 nathanw * 23 1.2.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 1.2.2.2 nathanw * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 1.2.2.2 nathanw * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 1.2.2.2 nathanw * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 1.2.2.2 nathanw * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 1.2.2.2 nathanw * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 1.2.2.2 nathanw * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 1.2.2.2 nathanw * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 1.2.2.2 nathanw * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 1.2.2.2 nathanw * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 1.2.2.2 nathanw * 34 1.2.2.2 nathanw * <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>> 35 1.2.2.2 nathanw */ 36 1.2.2.2 nathanw 37 1.2.2.2 nathanw #include <stdlib.h> 38 1.2.2.2 nathanw 39 1.2.2.2 nathanw /* 40 1.2.2.2 nathanw * shquotev(): 41 1.2.2.2 nathanw * 42 1.2.2.2 nathanw * Apply shquote() to a set of strings, separating the results by spaces. 43 1.2.2.2 nathanw */ 44 1.2.2.2 nathanw 45 1.2.2.2 nathanw size_t 46 1.2.2.2 nathanw shquotev(int argc, char * const * argv, char *buf, size_t bufsize) 47 1.2.2.2 nathanw { 48 1.2.2.2 nathanw size_t rv, callrv; 49 1.2.2.2 nathanw int i; 50 1.2.2.2 nathanw 51 1.2.2.2 nathanw rv = 0; 52 1.2.2.2 nathanw 53 1.2.2.2 nathanw if (argc == 0) { 54 1.2.2.2 nathanw if (bufsize != 0) 55 1.2.2.2 nathanw *buf = '\0'; 56 1.2.2.2 nathanw return rv; 57 1.2.2.2 nathanw } 58 1.2.2.2 nathanw 59 1.2.2.2 nathanw for (i = 0; i < argc; i++) { 60 1.2.2.2 nathanw callrv = shquote(argv[i], buf, bufsize); 61 1.2.2.2 nathanw if (callrv == (size_t)-1) 62 1.2.2.2 nathanw goto bad; 63 1.2.2.2 nathanw rv += callrv; 64 1.2.2.2 nathanw buf += callrv; 65 1.2.2.2 nathanw bufsize = (bufsize > callrv) ? (bufsize - callrv) : 0; 66 1.2.2.2 nathanw 67 1.2.2.2 nathanw if (i < (argc - 1)) { 68 1.2.2.2 nathanw rv++; 69 1.2.2.2 nathanw if (bufsize > 1) { 70 1.2.2.2 nathanw *buf++ = ' '; 71 1.2.2.2 nathanw bufsize--; 72 1.2.2.2 nathanw } 73 1.2.2.2 nathanw } 74 1.2.2.2 nathanw } 75 1.2.2.2 nathanw 76 1.2.2.2 nathanw return rv; 77 1.2.2.2 nathanw 78 1.2.2.2 nathanw bad: 79 1.2.2.2 nathanw return (size_t)-1; 80 1.2.2.2 nathanw } 81
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