main.c revision 1.2
1 /* $NetBSD: main.c,v 1.2 2008/03/02 11:20:59 jmmv Exp $ */ 2 3 /*- 4 * Copyright (c) 2008 The NetBSD Foundation, Inc. 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 by the NetBSD 18 * Foundation, Inc. and its contributors. 19 * 4. Neither the name of The NetBSD Foundation nor the names of its 20 * contributors may be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 __RCSID("$NetBSD: main.c,v 1.2 2008/03/02 11:20:59 jmmv Exp $"); 39 #endif /* !lint */ 40 41 #include <sys/module.h> 42 43 #include <assert.h> 44 #include <stdbool.h> 45 #include <stdio.h> 46 #include <stdlib.h> 47 #include <string.h> 48 #include <unistd.h> 49 #include <err.h> 50 51 #include <prop/proplib.h> 52 53 int main(int, char **); 54 static void parse_bool_param(prop_dictionary_t, const char *, 55 const char *); 56 static void parse_int_param(prop_dictionary_t, const char *, 57 const char *); 58 static void parse_param(prop_dictionary_t, const char *, 59 void (*)(prop_dictionary_t, const char *, const char *)); 60 static void parse_string_param(prop_dictionary_t, const char *, 61 const char *); 62 static void usage(void) __dead; 63 64 int 65 main(int argc, char **argv) 66 { 67 modctl_load_t cmdargs; 68 prop_dictionary_t props; 69 char *propsstr; 70 int ch; 71 int flags; 72 73 flags = 0; 74 props = prop_dictionary_create(); 75 76 while ((ch = getopt(argc, argv, "b:fi:s:")) != -1) { 77 switch (ch) { 78 case 'b': 79 parse_param(props, optarg, parse_bool_param); 80 break; 81 82 case 'f': 83 flags |= MODCTL_LOAD_FORCE; 84 break; 85 86 case 'i': 87 parse_param(props, optarg, parse_int_param); 88 break; 89 90 case 's': 91 parse_param(props, optarg, parse_string_param); 92 break; 93 94 default: 95 usage(); 96 /* NOTREACHED */ 97 } 98 } 99 100 argc -= optind; 101 argv += optind; 102 if (argc != 1) 103 usage(); 104 105 propsstr = prop_dictionary_externalize(props); 106 if (propsstr == NULL) 107 errx(EXIT_FAILURE, "Failed to process properties"); 108 109 cmdargs.ml_filename = argv[0]; 110 cmdargs.ml_flags = flags; 111 cmdargs.ml_props = propsstr; 112 cmdargs.ml_propslen = strlen(propsstr); 113 114 if (modctl(MODCTL_LOAD, &cmdargs)) { 115 err(EXIT_FAILURE, NULL); 116 } 117 118 free(propsstr); 119 prop_object_release(props); 120 121 exit(EXIT_SUCCESS); 122 } 123 124 static 125 void 126 parse_bool_param(prop_dictionary_t props, const char *name, 127 const char *value) 128 { 129 bool boolvalue; 130 131 assert(name != NULL); 132 assert(value != NULL); 133 134 if (strcasecmp(value, "1") == 0 || 135 strcasecmp(value, "true") == 0 || 136 strcasecmp(value, "yes") == 0) 137 boolvalue = true; 138 else if (strcasecmp(value, "0") == 0 || 139 strcasecmp(value, "false") == 0 || 140 strcasecmp(value, "no") == 0) 141 boolvalue = false; 142 else 143 errx(EXIT_FAILURE, "Invalid boolean value `%s'", value); 144 145 prop_dictionary_set(props, name, prop_bool_create(boolvalue)); 146 } 147 148 static 149 void 150 parse_int_param(prop_dictionary_t props, const char *name, 151 const char *value) 152 { 153 int64_t intvalue; 154 155 assert(name != NULL); 156 assert(value != NULL); 157 158 if (dehumanize_number(value, &intvalue) != 0) 159 err(EXIT_FAILURE, "Invalid integer value `%s'", value); 160 161 prop_dictionary_set(props, name, 162 prop_number_create_integer(intvalue)); 163 } 164 165 static 166 void 167 parse_param(prop_dictionary_t props, const char *origstr, 168 void (*fmt_handler)(prop_dictionary_t, const char *, const char *)) 169 { 170 char *name, *value; 171 172 name = strdup(origstr); 173 174 value = strchr(name, '='); 175 if (value == NULL) { 176 free(name); 177 errx(EXIT_FAILURE, "Invalid parameter `%s'", origstr); 178 } 179 *value++ = '\0'; 180 181 fmt_handler(props, name, value); 182 183 free(name); 184 } 185 186 static 187 void 188 parse_string_param(prop_dictionary_t props, const char *name, 189 const char *value) 190 { 191 192 assert(name != NULL); 193 assert(value != NULL); 194 195 prop_dictionary_set(props, name, prop_string_create_cstring(value)); 196 } 197 198 static void 199 usage(void) 200 { 201 202 (void)fprintf(stderr, 203 "Usage: %s [-b var=boolean] [-f] [-i var=integer] " 204 "[-s var=string]\n" 205 " <module_name>\n", 206 getprogname()); 207 exit(EXIT_FAILURE); 208 } 209
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