main.c revision 1.5
1 /* $NetBSD: main.c,v 1.5 2009/05/19 22:09:59 jnemeth 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 1.5 2009/05/19 22:09:59 jnemeth 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 bool output_props = false; 64 char *propsstr; 65 int ch; 66 int flags; 67 68 flags = 0; 69 props = prop_dictionary_create(); 70 71 while ((ch = getopt(argc, argv, "b:fi:ps:")) != -1) { 72 switch (ch) { 73 case 'b': 74 parse_param(props, optarg, parse_bool_param); 75 break; 76 77 case 'f': 78 flags |= MODCTL_LOAD_FORCE; 79 break; 80 81 case 'i': 82 parse_param(props, optarg, parse_int_param); 83 break; 84 85 case 'p': 86 output_props = true; 87 break; 88 89 case 's': 90 parse_param(props, optarg, parse_string_param); 91 break; 92 93 default: 94 usage(); 95 /* NOTREACHED */ 96 } 97 } 98 99 argc -= optind; 100 argv += optind; 101 102 propsstr = prop_dictionary_externalize(props); 103 if (propsstr == NULL) 104 errx(EXIT_FAILURE, "Failed to process properties"); 105 106 if (output_props) 107 puts(propsstr); 108 else { 109 if (argc != 1) 110 usage(); 111 cmdargs.ml_filename = argv[0]; 112 cmdargs.ml_flags = flags; 113 cmdargs.ml_props = propsstr; 114 cmdargs.ml_propslen = strlen(propsstr); 115 116 if (modctl(MODCTL_LOAD, &cmdargs)) { 117 err(EXIT_FAILURE, NULL); 118 } 119 } 120 121 free(propsstr); 122 prop_object_release(props); 123 124 exit(EXIT_SUCCESS); 125 } 126 127 static void 128 parse_bool_param(prop_dictionary_t props, const char *name, 129 const char *value) 130 { 131 bool boolvalue; 132 133 assert(name != NULL); 134 assert(value != NULL); 135 136 if (strcasecmp(value, "1") == 0 || 137 strcasecmp(value, "true") == 0 || 138 strcasecmp(value, "yes") == 0) 139 boolvalue = true; 140 else if (strcasecmp(value, "0") == 0 || 141 strcasecmp(value, "false") == 0 || 142 strcasecmp(value, "no") == 0) 143 boolvalue = false; 144 else 145 errx(EXIT_FAILURE, "Invalid boolean value `%s'", value); 146 147 prop_dictionary_set(props, name, prop_bool_create(boolvalue)); 148 } 149 150 static void 151 parse_int_param(prop_dictionary_t props, const char *name, 152 const char *value) 153 { 154 int64_t intvalue; 155 156 assert(name != NULL); 157 assert(value != NULL); 158 159 if (dehumanize_number(value, &intvalue) != 0) 160 err(EXIT_FAILURE, "Invalid integer value `%s'", value); 161 162 prop_dictionary_set(props, name, 163 prop_number_create_integer(intvalue)); 164 } 165 166 static 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 void 187 parse_string_param(prop_dictionary_t props, const char *name, 188 const char *value) 189 { 190 191 assert(name != NULL); 192 assert(value != NULL); 193 194 prop_dictionary_set(props, name, prop_string_create_cstring(value)); 195 } 196 197 static void 198 usage(void) 199 { 200 201 (void)fprintf(stderr, 202 "Usage: %s [-b var=boolean] [-f] [-i var=integer] " 203 "[-s var=string]\n" 204 " {-p|<module_name>}\n", 205 getprogname()); 206 exit(EXIT_FAILURE); 207 } 208
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