1 /* $NetBSD: h_getopt.c,v 1.1 2011/01/01 23:56:49 pgoyette Exp $ */
2
3 /*-
4 * Copyright (c) 2002 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <stdio.h>
33 #include <string.h>
34 #include <stdlib.h>
35 #include <unistd.h>
36 #include <err.h>
37 #ifdef __FreeBSD__
38 #include <libutil.h>
39 #endif
40
41 #define WS "\t\n "
42 #define debug 0
43
44 int
main(int argc,char * argv[])45 main(int argc, char *argv[])
46 {
47 size_t len, lineno = 0;
48 char *line, *ptr, *optstring = NULL, *result = NULL;
49 char buf[1024];
50 char *args[100];
51 char arg[100];
52 int nargs = -1;
53 int c;
54
55 while ((line = fparseln(stdin, &len, &lineno, NULL, 0)) != NULL) {
56 if (strncmp(line, "load:", 5) == 0) {
57 if (optstring)
58 free(optstring);
59 optstring = strtok(&line[6], WS);
60 if (optstring == NULL)
61 errx(1, "missing optstring at line %ld",
62 (unsigned long)lineno);
63 optstring = strdup(optstring);
64 if (debug)
65 fprintf(stderr, "optstring = %s\n", optstring);
66 } else if (strncmp(line, "args:", 5) == 0) {
67 for (; nargs >= 0; nargs--) {
68 if (args[nargs] != NULL)
69 free(args[nargs]);
70 }
71 args[nargs = 0] = strtok(&line[6], WS);
72 if (args[nargs] == NULL)
73 errx(1, "missing args at line %ld",
74 (unsigned long)lineno);
75
76 args[nargs] = strdup(args[nargs]);
77 while ((args[++nargs] = strtok(NULL, WS)) != NULL)
78 args[nargs] = strdup(args[nargs]);
79 if (debug) {
80 int i = 0;
81 for (i = 0; i < nargs; i++)
82 fprintf(stderr, "argv[%d] = %s\n", i,
83 args[i]);
84 }
85 } else if (strncmp(line, "result:", 7) == 0) {
86 buf[0] = '\0';
87 optind = optreset = 1;
88 if (result)
89 free(result);
90 result = strtok(&line[8], WS);
91 if (result == NULL)
92 errx(1, "missing result at line %ld",
93 (unsigned long)lineno);
94 result = strdup(result);
95 if (nargs == -1)
96 errx(1, "result: without args:");
97 if (debug)
98 fprintf(stderr, "result = %s\n", result);
99 while ((c = getopt(nargs, args, optstring)) != -1) {
100 if (c == ':')
101 err(1, "`:' found as argument char");
102 if ((ptr = strchr(optstring, c)) == NULL) {
103 snprintf(arg, sizeof(arg), "!%c,", c);
104 strcat(buf, arg);
105 continue;
106 }
107 if (ptr[1] != ':')
108 snprintf(arg, sizeof(arg), "%c,", c);
109 else
110 snprintf(arg, sizeof(arg), "%c=%s,",
111 c, optarg);
112 strcat(buf, arg);
113 }
114 len = strlen(buf);
115 if (len > 0) {
116 buf[len - 1] = '|';
117 buf[len] = '\0';
118 } else {
119 buf[0] = '|';
120 buf[1] = '\0';
121 }
122 snprintf(arg, sizeof(arg), "%d", nargs - optind);
123 strcat(buf, arg);
124 if (strcmp(buf, result) != 0)
125 errx(1, "`%s' != `%s'", buf, result);
126 }
127 free(line);
128 }
129 return 0;
130 }
131