1 /* $NetBSD: shquotev.c,v 1.5 2005/06/12 05:21:27 lukem 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 <sys/cdefs.h>
38 #if defined(LIBC_SCCS) && !defined(lint)
39 __RCSID("$NetBSD: shquotev.c,v 1.5 2005/06/12 05:21:27 lukem Exp $");
40 #endif /* LIBC_SCCS and not lint */
41
42 #include "namespace.h"
43 #include <stdlib.h>
44
45 /*
46 * shquotev():
47 *
48 * Apply shquote() to a set of strings, separating the results by spaces.
49 */
50
51 size_t
shquotev(int argc,char * const * argv,char * buf,size_t bufsize)52 shquotev(int argc, char * const * argv, char *buf, size_t bufsize)
53 {
54 size_t rv, callrv;
55 int i;
56
57 rv = 0;
58
59 if (argc == 0) {
60 if (bufsize != 0)
61 *buf = '\0';
62 return rv;
63 }
64
65 for (i = 0; i < argc; i++) {
66 callrv = shquote(argv[i], buf, bufsize);
67 if (callrv == (size_t)-1)
68 goto bad;
69 rv += callrv;
70 buf += callrv;
71 bufsize = (bufsize > callrv) ? (bufsize - callrv) : 0;
72
73 if (i < (argc - 1)) {
74 rv++;
75 if (bufsize > 1) {
76 *buf++ = ' ';
77 bufsize--;
78 }
79 }
80 }
81
82 return rv;
83
84 bad:
85 return (size_t)-1;
86 }
87