1 /* $NetBSD: makefs.c,v 1.5 2001/11/08 12:24:12 simonb Exp $ */ 2 3 /* 4 * Copyright (c) 2001 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Luke Mewburn for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #include <sys/cdefs.h> 39 #ifndef __lint 40 __RCSID("$NetBSD: makefs.c,v 1.5 2001/11/08 12:24:12 simonb Exp $"); 41 #endif /* !__lint */ 42 43 #include <assert.h> 44 #include <ctype.h> 45 #include <err.h> 46 #include <errno.h> 47 #include <limits.h> 48 #include <stdio.h> 49 #include <stdlib.h> 50 #include <string.h> 51 #include <unistd.h> 52 53 #include "makefs.h" 54 55 56 /* 57 * list of supported file systems and dispatch functions 58 */ 59 typedef struct { 60 const char *type; 61 int (*parse_options)(const char *, fsinfo_t *); 62 void (*make_fs)(const char *, const char *, fsnode *, 63 fsinfo_t *); 64 } fstype_t; 65 66 static fstype_t fstypes[] = { 67 { "ffs", ffs_parse_opts, ffs_makefs }, 68 { NULL }, 69 }; 70 71 int debug; 72 struct timespec start_time; 73 74 75 static fstype_t *get_fstype(const char *); 76 static long long strsuftoll(const char *, const char *, long long, long long); 77 static void usage(void); 78 int main(int, char *[]); 79 80 int 81 main(int argc, char *argv[]) 82 { 83 struct timeval start; 84 fstype_t *fstype; 85 fsinfo_t fsoptions; 86 fsnode *root; 87 int ch, len; 88 char *specfile; 89 90 debug = 0; 91 if ((fstype = get_fstype(DEFAULT_FSTYPE)) == NULL) 92 errx(1, "Unknown default fs type `%s'.", DEFAULT_FSTYPE); 93 (void)memset(&fsoptions, 0, sizeof(fsoptions)); 94 fsoptions.fd = -1; 95 specfile = NULL; 96 if (gettimeofday(&start, NULL) == -1) 97 err(1, "Unable to get system time"); 98 TIMEVAL_TO_TIMESPEC(&start, &start_time); 99 100 while ((ch = getopt(argc, argv, "B:b:d:f:F:M:m:o:s:S:t:")) != -1) { 101 switch (ch) { 102 103 case 'B': 104 if (strcmp(optarg, "be") == 0 || 105 strcmp(optarg, "big") == 0) { 106 #if BYTE_ORDER == LITTLE_ENDIAN 107 fsoptions.needswap = 1; 108 #endif 109 } else if (strcmp(optarg, "le") == 0 || 110 strcmp(optarg, "little") == 0) { 111 #if BYTE_ORDER == BIG_ENDIAN 112 fsoptions.needswap = 1; 113 #endif 114 } else { 115 warnx("Invalid endian `%s'.", optarg); 116 usage(); 117 } 118 break; 119 120 case 'b': 121 len = strlen(optarg) - 1; 122 if (optarg[len] == '%') { 123 optarg[len] = '\0'; 124 fsoptions.freeblockpc = 125 strsuftoll("free block percentage", 126 optarg, 0, LLONG_MAX); 127 } else { 128 fsoptions.freeblocks = strsuftoll("free blocks", 129 optarg, 0, LLONG_MAX); 130 } 131 break; 132 133 case 'd': 134 debug = (int)strsuftoll("debug mask", optarg, 135 0, LLONG_MAX); 136 break; 137 138 case 'f': 139 len = strlen(optarg) - 1; 140 if (optarg[len] == '%') { 141 optarg[len] = '\0'; 142 fsoptions.freefilepc = 143 strsuftoll("free file percentage", 144 optarg, 0, LLONG_MAX); 145 } else { 146 fsoptions.freefiles = strsuftoll("free files", 147 optarg, 0, LLONG_MAX); 148 } 149 break; 150 151 case 'F': 152 specfile = optarg; 153 break; 154 155 case 'M': 156 fsoptions.minsize = strsuftoll("minimum size", 157 optarg, 1LL, LLONG_MAX); 158 break; 159 160 case 'm': 161 fsoptions.maxsize = strsuftoll("maximum size", 162 optarg, 1LL, LLONG_MAX); 163 break; 164 165 case 'o': 166 { 167 char *p; 168 169 while ((p = strsep(&optarg, ",")) != NULL) { 170 if (*p == '\0') 171 errx(1, "Empty option"); 172 if (! fstype->parse_options(p, &fsoptions)) 173 usage(); 174 } 175 break; 176 } 177 178 case 's': 179 fsoptions.minsize = fsoptions.maxsize = 180 strsuftoll("size", optarg, 1LL, LLONG_MAX); 181 break; 182 183 case 'S': 184 fsoptions.sectorsize = strsuftoll("sector size", 185 optarg, 1LL, LLONG_MAX); 186 break; 187 188 case 't': 189 if ((fstype = get_fstype(optarg)) == NULL) 190 errx(1, "Unknown fs type `%s'.", optarg); 191 break; 192 193 case '?': 194 default: 195 usage(); 196 /* NOTREACHED */ 197 198 } 199 } 200 if (debug) { 201 printf("debug mask: 0x%08x\n", debug); 202 printf("start time: %ld.%ld, %s", 203 (long)start_time.tv_sec, (long)start_time.tv_nsec, 204 ctime(&start_time.tv_sec)); 205 } 206 argc -= optind; 207 argv += optind; 208 209 if (argc != 2) 210 usage(); 211 212 /* walk the tree */ 213 TIMER_START(start); 214 root = walk_dir(argv[1], NULL); 215 TIMER_RESULTS(start, "walk_dir"); 216 217 if (specfile) { /* apply a specfile */ 218 TIMER_START(start); 219 apply_specfile(specfile, argv[1], root); 220 TIMER_RESULTS(start, "apply_specfile"); 221 } 222 223 if (debug & DEBUG_DUMP_FSNODES) { 224 putchar('\n'); 225 dump_fsnodes(argv[1], root); 226 putchar('\n'); 227 } 228 229 /* build the file system */ 230 TIMER_START(start); 231 fstype->make_fs(argv[0], argv[1], root, &fsoptions); 232 TIMER_RESULTS(start, "make_fs"); 233 234 exit(0); 235 /* NOTREACHED */ 236 } 237 238 239 int 240 set_option(option_t *options, const char *var, const char *val) 241 { 242 int i; 243 244 for (i = 0; options[i].name != NULL; i++) { 245 if (strcmp(options[i].name, var) != 0) 246 continue; 247 *options[i].value = (int)strsuftoll(options[i].desc, val, 248 options[i].minimum, options[i].maximum); 249 return (1); 250 } 251 warnx("Unknown option `%s'", var); 252 return (0); 253 } 254 255 256 static fstype_t * 257 get_fstype(const char *type) 258 { 259 int i; 260 261 for (i = 0; fstypes[i].type != NULL; i++) 262 if (strcmp(fstypes[i].type, type) == 0) 263 return (&fstypes[i]); 264 return (NULL); 265 } 266 267 268 static long long 269 strsuftoll(const char *desc, const char *arg, long long min, long long max) 270 { 271 long long result; 272 char *ep; 273 274 assert(desc != NULL); 275 assert(arg != NULL); 276 277 errno = 0; 278 result = strtoll(arg, &ep, 0); 279 if ((result == LLONG_MIN || result == LLONG_MAX) && errno == ERANGE) { 280 warn("%s `%s'", desc, arg); 281 usage(); 282 } 283 if (ep[0] != '\0' && ep[1] != '\0') { 284 warnx("`%s' is not a valid number for %s.", optarg, desc); 285 usage(); 286 } 287 switch (tolower((unsigned char)ep[0])) { 288 case '\0': 289 case 'b': 290 break; 291 case 'k': 292 result <<= 10; 293 break; 294 case 'm': 295 result <<= 20; 296 break; 297 case 'g': 298 result <<= 30; 299 break; 300 default: 301 warnx("`%s' is not a valid suffix for %s.", ep, desc); 302 usage(); 303 } 304 305 if (result < min) { 306 warnx("%s `%s' (%lld) is less than %lld.", 307 desc, optarg, result, min); 308 usage(); 309 } 310 if (result > max) { 311 warnx("%s `%s' (%lld) is greater than %lld.", 312 desc, optarg, result, max); 313 usage(); 314 } 315 if (debug & DEBUG_STRSUFTOLL) 316 printf("strsuftoll: got %lld for %s %s\n", 317 result, desc, arg); 318 return (result); 319 } 320 321 322 static void 323 usage(void) 324 { 325 const char *prog; 326 327 prog = getprogname(); 328 fprintf(stderr, 329 "Usage: %s [-t fs-type] [-o fs-options] [-d debug-mask] [-B endian]\n" 330 "\t[-S sector-size] [-M minimum-size] [-m maximum-size] [-s image-size]\n" 331 "\t[-b free-blocks] [-f free-files] [-F mtree-specfile]\n" 332 "\timage-file directory\n", 333 prog); 334 exit(1); 335 } 336