main.c revision 1.3
1 /* $NetBSD: main.c,v 1.3 2008/04/28 20:23:09 martin 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 1.3 2008/04/28 20:23:09 martin 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 *, const char *)); 53 static void parse_string_param(prop_dictionary_t, const char *, 54 const char *); 55 static void usage(void) __dead; 56 57 int 58 main(int argc, char **argv) 59 { 60 modctl_load_t cmdargs; 61 prop_dictionary_t props; 62 char *propsstr; 63 int ch; 64 int flags; 65 66 flags = 0; 67 props = prop_dictionary_create(); 68 69 while ((ch = getopt(argc, argv, "b:fi:s:")) != -1) { 70 switch (ch) { 71 case 'b': 72 parse_param(props, optarg, parse_bool_param); 73 break; 74 75 case 'f': 76 flags |= MODCTL_LOAD_FORCE; 77 break; 78 79 case 'i': 80 parse_param(props, optarg, parse_int_param); 81 break; 82 83 case 's': 84 parse_param(props, optarg, parse_string_param); 85 break; 86 87 default: 88 usage(); 89 /* NOTREACHED */ 90 } 91 } 92 93 argc -= optind; 94 argv += optind; 95 if (argc != 1) 96 usage(); 97 98 propsstr = prop_dictionary_externalize(props); 99 if (propsstr == NULL) 100 errx(EXIT_FAILURE, "Failed to process properties"); 101 102 cmdargs.ml_filename = argv[0]; 103 cmdargs.ml_flags = flags; 104 cmdargs.ml_props = propsstr; 105 cmdargs.ml_propslen = strlen(propsstr); 106 107 if (modctl(MODCTL_LOAD, &cmdargs)) { 108 err(EXIT_FAILURE, NULL); 109 } 110 111 free(propsstr); 112 prop_object_release(props); 113 114 exit(EXIT_SUCCESS); 115 } 116 117 static 118 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 142 void 143 parse_int_param(prop_dictionary_t props, const char *name, 144 const char *value) 145 { 146 int64_t intvalue; 147 148 assert(name != NULL); 149 assert(value != NULL); 150 151 if (dehumanize_number(value, &intvalue) != 0) 152 err(EXIT_FAILURE, "Invalid integer value `%s'", value); 153 154 prop_dictionary_set(props, name, 155 prop_number_create_integer(intvalue)); 156 } 157 158 static 159 void 160 parse_param(prop_dictionary_t props, const char *origstr, 161 void (*fmt_handler)(prop_dictionary_t, const char *, const char *)) 162 { 163 char *name, *value; 164 165 name = strdup(origstr); 166 167 value = strchr(name, '='); 168 if (value == NULL) { 169 free(name); 170 errx(EXIT_FAILURE, "Invalid parameter `%s'", origstr); 171 } 172 *value++ = '\0'; 173 174 fmt_handler(props, name, value); 175 176 free(name); 177 } 178 179 static 180 void 181 parse_string_param(prop_dictionary_t props, const char *name, 182 const char *value) 183 { 184 185 assert(name != NULL); 186 assert(value != NULL); 187 188 prop_dictionary_set(props, name, prop_string_create_cstring(value)); 189 } 190 191 static void 192 usage(void) 193 { 194 195 (void)fprintf(stderr, 196 "Usage: %s [-b var=boolean] [-f] [-i var=integer] " 197 "[-s var=string]\n" 198 " <module_name>\n", 199 getprogname()); 200 exit(EXIT_FAILURE); 201 } 202
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