makefs.c revision 1.16
1 /* $NetBSD: makefs.c,v 1.16 2003/03/29 00:12:12 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 2001-2003 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 #if defined(__RCSID) && !defined(__lint) 40 __RCSID("$NetBSD: makefs.c,v 1.16 2003/03/29 00:12:12 thorpej Exp $"); 41 #endif /* !__lint */ 42 43 #include <assert.h> 44 #include <ctype.h> 45 #include <errno.h> 46 #include <limits.h> 47 #include <stdio.h> 48 #include <stdlib.h> 49 #include <string.h> 50 #include <unistd.h> 51 52 #include "makefs.h" 53 #include "mtree.h" 54 55 /* 56 * list of supported file systems and dispatch functions 57 */ 58 typedef struct { 59 const char *type; 60 int (*parse_options)(const char *, fsinfo_t *); 61 void (*make_fs)(const char *, const char *, fsnode *, 62 fsinfo_t *); 63 } fstype_t; 64 65 static fstype_t fstypes[] = { 66 { "ffs", ffs_parse_opts, ffs_makefs }, 67 { NULL }, 68 }; 69 70 uint debug; 71 struct timespec start_time; 72 73 int x_flag; 74 75 static fstype_t *get_fstype(const char *); 76 static void usage(void); 77 int main(int, char *[]); 78 79 int 80 main(int argc, char *argv[]) 81 { 82 struct timeval start; 83 fstype_t *fstype; 84 fsinfo_t fsoptions; 85 fsnode *root; 86 int ch, len; 87 char *specfile; 88 89 setprogname(argv[0]); 90 91 debug = 0; 92 if ((fstype = get_fstype(DEFAULT_FSTYPE)) == NULL) 93 errx(1, "Unknown default fs type `%s'.", DEFAULT_FSTYPE); 94 95 /* set default fsoptions */ 96 (void)memset(&fsoptions, 0, sizeof(fsoptions)); 97 fsoptions.fd = -1; 98 fsoptions.sectorsize = -1; 99 fsoptions.bsize= -1; 100 fsoptions.fsize= -1; 101 fsoptions.cpg= -1; 102 fsoptions.density= -1; 103 fsoptions.ntracks= -1; 104 fsoptions.nsectors= -1; 105 fsoptions.rpm= -1; 106 fsoptions.minfree= -1; 107 fsoptions.optimization= -1; 108 fsoptions.maxcontig= -1; 109 fsoptions.rotdelay= -1; 110 fsoptions.maxbpg= -1; 111 fsoptions.nrpos= -1; 112 fsoptions.avgfilesize= -1; 113 fsoptions.avgfpdir= -1; 114 115 specfile = NULL; 116 if (gettimeofday(&start, NULL) == -1) 117 err(1, "Unable to get system time"); 118 119 start_time.tv_sec = start.tv_sec; 120 start_time.tv_nsec = start.tv_usec * 1000; 121 122 while ((ch = getopt(argc, argv, "B:b:d:f:F:M:m:N:o:s:S:t:x")) != -1) { 123 switch (ch) { 124 125 case 'B': 126 if (strcmp(optarg, "be") == 0 || 127 strcmp(optarg, "4321") == 0 || 128 strcmp(optarg, "big") == 0) { 129 #if BYTE_ORDER == LITTLE_ENDIAN 130 fsoptions.needswap = 1; 131 #endif 132 } else if (strcmp(optarg, "le") == 0 || 133 strcmp(optarg, "1234") == 0 || 134 strcmp(optarg, "little") == 0) { 135 #if BYTE_ORDER == BIG_ENDIAN 136 fsoptions.needswap = 1; 137 #endif 138 } else { 139 warnx("Invalid endian `%s'.", optarg); 140 usage(); 141 } 142 break; 143 144 case 'b': 145 len = strlen(optarg) - 1; 146 if (optarg[len] == '%') { 147 optarg[len] = '\0'; 148 fsoptions.freeblockpc = 149 strsuftoll("free block percentage", 150 optarg, 0, 99); 151 } else { 152 fsoptions.freeblocks = 153 strsuftoll("free blocks", 154 optarg, 0, LLONG_MAX); 155 } 156 break; 157 158 case 'd': 159 debug = 160 (int)strsuftoll("debug mask", optarg, 0, UINT_MAX); 161 break; 162 163 case 'f': 164 len = strlen(optarg) - 1; 165 if (optarg[len] == '%') { 166 optarg[len] = '\0'; 167 fsoptions.freefilepc = 168 strsuftoll("free file percentage", 169 optarg, 0, 99); 170 } else { 171 fsoptions.freefiles = 172 strsuftoll("free files", 173 optarg, 0, LLONG_MAX); 174 } 175 break; 176 177 case 'F': 178 specfile = optarg; 179 break; 180 181 case 'M': 182 fsoptions.minsize = 183 strsuftoll("minimum size", optarg, 1LL, LLONG_MAX); 184 break; 185 186 case 'N': 187 if (! setup_getid(optarg)) 188 errx(1, 189 "Unable to use user and group databases in `%s'", 190 optarg); 191 break; 192 193 case 'm': 194 fsoptions.maxsize = 195 strsuftoll("maximum size", optarg, 1LL, LLONG_MAX); 196 break; 197 198 case 'o': 199 { 200 char *p; 201 202 while ((p = strsep(&optarg, ",")) != NULL) { 203 if (*p == '\0') 204 errx(1, "Empty option"); 205 if (! fstype->parse_options(p, &fsoptions)) 206 usage(); 207 } 208 break; 209 } 210 211 case 's': 212 fsoptions.minsize = fsoptions.maxsize = 213 strsuftoll("size", optarg, 1LL, LLONG_MAX); 214 break; 215 216 case 'S': 217 fsoptions.sectorsize = 218 (int)strsuftoll("sector size", optarg, 219 1LL, INT_MAX); 220 break; 221 222 case 't': 223 if ((fstype = get_fstype(optarg)) == NULL) 224 errx(1, "Unknown fs type `%s'.", optarg); 225 break; 226 227 case 'x': 228 x_flag = 1; 229 break; 230 231 case '?': 232 default: 233 usage(); 234 /* NOTREACHED */ 235 236 } 237 } 238 if (debug) { 239 printf("debug mask: 0x%08x\n", debug); 240 printf("start time: %ld.%ld, %s", 241 (long)start_time.tv_sec, (long)start_time.tv_nsec, 242 ctime(&start_time.tv_sec)); 243 } 244 argc -= optind; 245 argv += optind; 246 247 if (argc != 2) 248 usage(); 249 250 /* -x must be accompanied by -F */ 251 if (x_flag != 0 && specfile == NULL) 252 errx(1, "-x requires -F mtree-specfile."); 253 254 /* walk the tree */ 255 TIMER_START(start); 256 root = walk_dir(argv[1], NULL); 257 TIMER_RESULTS(start, "walk_dir"); 258 259 if (specfile) { /* apply a specfile */ 260 TIMER_START(start); 261 apply_specfile(specfile, argv[1], root); 262 TIMER_RESULTS(start, "apply_specfile"); 263 } 264 265 if (debug & DEBUG_DUMP_FSNODES) { 266 printf("\nparent: %s\n", argv[1]); 267 dump_fsnodes(".", root); 268 putchar('\n'); 269 } 270 271 /* build the file system */ 272 TIMER_START(start); 273 fstype->make_fs(argv[0], argv[1], root, &fsoptions); 274 TIMER_RESULTS(start, "make_fs"); 275 276 exit(0); 277 /* NOTREACHED */ 278 } 279 280 281 int 282 set_option(option_t *options, const char *var, const char *val) 283 { 284 int i; 285 286 for (i = 0; options[i].name != NULL; i++) { 287 if (strcmp(options[i].name, var) != 0) 288 continue; 289 *options[i].value = (int)strsuftoll(options[i].desc, val, 290 options[i].minimum, options[i].maximum); 291 return (1); 292 } 293 warnx("Unknown option `%s'", var); 294 return (0); 295 } 296 297 298 static fstype_t * 299 get_fstype(const char *type) 300 { 301 int i; 302 303 for (i = 0; fstypes[i].type != NULL; i++) 304 if (strcmp(fstypes[i].type, type) == 0) 305 return (&fstypes[i]); 306 return (NULL); 307 } 308 309 static void 310 usage(void) 311 { 312 const char *prog; 313 314 prog = getprogname(); 315 fprintf(stderr, 316 "Usage: %s [-t fs-type] [-o fs-options] [-d debug-mask] [-B endian]\n" 317 "\t[-S sector-size] [-M minimum-size] [-m maximum-size] [-s image-size]\n" 318 "\t[-b free-blocks] [-f free-files] [-F mtree-specfile] [-N userdb-dir]\n" 319 "\timage-file directory\n", 320 prog); 321 exit(1); 322 } 323
Indexes created Mon Sep 22 21:09:42 GMT 2025