main.c revision 1.4
1 /* $NetBSD: main.c,v 1.4 2008/11/12 12:35:53 ad 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 #ifndef lint 31 __RCSID("$NetBSD: main.c,v 1.4 2008/11/12 12:35:53 ad Exp $"); 32 #endif /* !lint */ 33 34 #include <sys/module.h> 35 36 #include <assert.h> 37 #include <stdbool.h> 38 #include <stdio.h> 39 #include <stdlib.h> 40 #include <string.h> 41 #include <unistd.h> 42 #include <err.h> 43 44 #include <prop/proplib.h> 45 46 int main(int, char **); 47 static void parse_bool_param(prop_dictionary_t, const char *, 48 const char *); 49 static void parse_int_param(prop_dictionary_t, const char *, 50 const char *); 51 static void parse_param(prop_dictionary_t, const char *, 52 void (*)(prop_dictionary_t, const char *, 53 const char *)); 54 static void parse_string_param(prop_dictionary_t, const char *, 55 const char *); 56 static void usage(void) __dead; 57 58 int 59 main(int argc, char **argv) 60 { 61 modctl_load_t cmdargs; 62 prop_dictionary_t props; 63 char *propsstr; 64 int ch; 65 int flags; 66 67 flags = 0; 68 props = prop_dictionary_create(); 69 70 while ((ch = getopt(argc, argv, "b:fi:s:")) != -1) { 71 switch (ch) { 72 case 'b': 73 parse_param(props, optarg, parse_bool_param); 74 break; 75 76 case 'f': 77 flags |= MODCTL_LOAD_FORCE; 78 break; 79 80 case 'i': 81 parse_param(props, optarg, parse_int_param); 82 break; 83 84 case 's': 85 parse_param(props, optarg, parse_string_param); 86 break; 87 88 default: 89 usage(); 90 /* NOTREACHED */ 91 } 92 } 93 94 argc -= optind; 95 argv += optind; 96 if (argc != 1) 97 usage(); 98 99 propsstr = prop_dictionary_externalize(props); 100 if (propsstr == NULL) 101 errx(EXIT_FAILURE, "Failed to process properties"); 102 103 cmdargs.ml_filename = argv[0]; 104 cmdargs.ml_flags = flags; 105 cmdargs.ml_props = propsstr; 106 cmdargs.ml_propslen = strlen(propsstr); 107 108 if (modctl(MODCTL_LOAD, &cmdargs)) { 109 err(EXIT_FAILURE, NULL); 110 } 111 112 free(propsstr); 113 prop_object_release(props); 114 115 exit(EXIT_SUCCESS); 116 } 117 118 static void 119 parse_bool_param(prop_dictionary_t props, const char *name, 120 const char *value) 121 { 122 bool boolvalue; 123 124 assert(name != NULL); 125 assert(value != NULL); 126 127 if (strcasecmp(value, "1") == 0 || 128 strcasecmp(value, "true") == 0 || 129 strcasecmp(value, "yes") == 0) 130 boolvalue = true; 131 else if (strcasecmp(value, "0") == 0 || 132 strcasecmp(value, "false") == 0 || 133 strcasecmp(value, "no") == 0) 134 boolvalue = false; 135 else 136 errx(EXIT_FAILURE, "Invalid boolean value `%s'", value); 137 138 prop_dictionary_set(props, name, prop_bool_create(boolvalue)); 139 } 140 141 static void 142 parse_int_param(prop_dictionary_t props, const char *name, 143 const char *value) 144 { 145 int64_t intvalue; 146 147 assert(name != NULL); 148 assert(value != NULL); 149 150 if (dehumanize_number(value, &intvalue) != 0) 151 err(EXIT_FAILURE, "Invalid integer value `%s'", value); 152 153 prop_dictionary_set(props, name, 154 prop_number_create_integer(intvalue)); 155 } 156 157 static void 158 parse_param(prop_dictionary_t props, const char *origstr, 159 void (*fmt_handler)(prop_dictionary_t, const char *, const char *)) 160 { 161 char *name, *value; 162 163 name = strdup(origstr); 164 165 value = strchr(name, '='); 166 if (value == NULL) { 167 free(name); 168 errx(EXIT_FAILURE, "Invalid parameter `%s'", origstr); 169 } 170 *value++ = '\0'; 171 172 fmt_handler(props, name, value); 173 174 free(name); 175 } 176 177 static void 178 parse_string_param(prop_dictionary_t props, const char *name, 179 const char *value) 180 { 181 182 assert(name != NULL); 183 assert(value != NULL); 184 185 prop_dictionary_set(props, name, prop_string_create_cstring(value)); 186 } 187 188 static void 189 usage(void) 190 { 191 192 (void)fprintf(stderr, 193 "Usage: %s [-b var=boolean] [-f] [-i var=integer] " 194 "[-s var=string]\n" 195 " <module_name>\n", 196 getprogname()); 197 exit(EXIT_FAILURE); 198 } 199
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