makefs.c revision 1.9
1 /* $NetBSD: makefs.c,v 1.9 2002/01/18 08:39:24 lukem 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 1.9 2002/01/18 08:39:24 lukem 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 #include "strsuftoull.h" 55 56 57 /* 58 * list of supported file systems and dispatch functions 59 */ 60 typedef struct { 61 const char *type; 62 int (*parse_options)(const char *, fsinfo_t *); 63 void (*make_fs)(const char *, const char *, fsnode *, 64 fsinfo_t *); 65 } fstype_t; 66 67 static fstype_t fstypes[] = { 68 { "ffs", ffs_parse_opts, ffs_makefs }, 69 { NULL }, 70 }; 71 72 uint debug; 73 struct timespec start_time; 74 75 76 static fstype_t *get_fstype(const char *); 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 setprogname(argv[0]); 91 92 debug = 0; 93 if ((fstype = get_fstype(DEFAULT_FSTYPE)) == NULL) 94 errx(1, "Unknown default fs type `%s'.", DEFAULT_FSTYPE); 95 96 /* set default fsoptions */ 97 (void)memset(&fsoptions, 0, sizeof(fsoptions)); 98 fsoptions.fd = -1; 99 fsoptions.sectorsize = -1; 100 fsoptions.bsize= -1; 101 fsoptions.fsize= -1; 102 fsoptions.cpg= -1; 103 fsoptions.density= -1; 104 fsoptions.ntracks= -1; 105 fsoptions.nsectors= -1; 106 fsoptions.rpm= -1; 107 fsoptions.minfree= -1; 108 fsoptions.optimization= -1; 109 fsoptions.maxcontig= -1; 110 fsoptions.rotdelay= -1; 111 fsoptions.maxbpg= -1; 112 fsoptions.nrpos= -1; 113 fsoptions.avgfilesize= -1; 114 fsoptions.avgfpdir= -1; 115 116 specfile = NULL; 117 if (gettimeofday(&start, NULL) == -1) 118 err(1, "Unable to get system time"); 119 TIMEVAL_TO_TIMESPEC(&start, &start_time); 120 121 while ((ch = getopt(argc, argv, "B:b:d:f:F:M:m:o:s:S:t:")) != -1) { 122 switch (ch) { 123 124 case 'B': 125 if (strcmp(optarg, "be") == 0 || 126 strcmp(optarg, "big") == 0) { 127 #if BYTE_ORDER == LITTLE_ENDIAN 128 fsoptions.needswap = 1; 129 #endif 130 } else if (strcmp(optarg, "le") == 0 || 131 strcmp(optarg, "little") == 0) { 132 #if BYTE_ORDER == BIG_ENDIAN 133 fsoptions.needswap = 1; 134 #endif 135 } else { 136 warnx("Invalid endian `%s'.", optarg); 137 usage(); 138 } 139 break; 140 141 case 'b': 142 len = strlen(optarg) - 1; 143 if (optarg[len] == '%') { 144 optarg[len] = '\0'; 145 fsoptions.freeblockpc = 146 strsuftoull("free block percentage", 147 optarg, 0, 99); 148 } else { 149 fsoptions.freeblocks = 150 strsuftoull("free blocks", 151 optarg, 0, LLONG_MAX); 152 } 153 break; 154 155 case 'd': 156 debug = 157 (int)strsuftoull("debug mask", optarg, 0, UINT_MAX); 158 break; 159 160 case 'f': 161 len = strlen(optarg) - 1; 162 if (optarg[len] == '%') { 163 optarg[len] = '\0'; 164 fsoptions.freefilepc = 165 strsuftoull("free file percentage", 166 optarg, 0, 99); 167 } else { 168 fsoptions.freefiles = 169 strsuftoull("free files", 170 optarg, 0, LLONG_MAX); 171 } 172 break; 173 174 case 'F': 175 specfile = optarg; 176 break; 177 178 case 'M': 179 fsoptions.minsize = 180 strsuftoull("minimum size", optarg, 1LL, LLONG_MAX); 181 break; 182 183 case 'm': 184 fsoptions.maxsize = 185 strsuftoull("maximum size", optarg, 1LL, LLONG_MAX); 186 break; 187 188 case 'o': 189 { 190 char *p; 191 192 while ((p = strsep(&optarg, ",")) != NULL) { 193 if (*p == '\0') 194 errx(1, "Empty option"); 195 if (! fstype->parse_options(p, &fsoptions)) 196 usage(); 197 } 198 break; 199 } 200 201 case 's': 202 fsoptions.minsize = fsoptions.maxsize = 203 strsuftoull("size", optarg, 1LL, LLONG_MAX); 204 break; 205 206 case 'S': 207 fsoptions.sectorsize = 208 (int)strsuftoull("sector size", optarg, 209 1LL, INT_MAX); 210 break; 211 212 case 't': 213 if ((fstype = get_fstype(optarg)) == NULL) 214 errx(1, "Unknown fs type `%s'.", optarg); 215 break; 216 217 case '?': 218 default: 219 usage(); 220 /* NOTREACHED */ 221 222 } 223 } 224 if (debug) { 225 printf("debug mask: 0x%08x\n", debug); 226 printf("start time: %ld.%ld, %s", 227 (long)start_time.tv_sec, (long)start_time.tv_nsec, 228 ctime(&start_time.tv_sec)); 229 } 230 argc -= optind; 231 argv += optind; 232 233 if (argc != 2) 234 usage(); 235 236 /* walk the tree */ 237 TIMER_START(start); 238 root = walk_dir(argv[1], NULL); 239 TIMER_RESULTS(start, "walk_dir"); 240 241 if (specfile) { /* apply a specfile */ 242 TIMER_START(start); 243 apply_specfile(specfile, argv[1], root); 244 TIMER_RESULTS(start, "apply_specfile"); 245 } 246 247 if (debug & DEBUG_DUMP_FSNODES) { 248 putchar('\n'); 249 dump_fsnodes(argv[1], root); 250 putchar('\n'); 251 } 252 253 /* build the file system */ 254 TIMER_START(start); 255 fstype->make_fs(argv[0], argv[1], root, &fsoptions); 256 TIMER_RESULTS(start, "make_fs"); 257 258 exit(0); 259 /* NOTREACHED */ 260 } 261 262 263 int 264 set_option(option_t *options, const char *var, const char *val) 265 { 266 int i; 267 268 for (i = 0; options[i].name != NULL; i++) { 269 if (strcmp(options[i].name, var) != 0) 270 continue; 271 *options[i].value = (int)strsuftoull(options[i].desc, val, 272 options[i].minimum, options[i].maximum); 273 return (1); 274 } 275 warnx("Unknown option `%s'", var); 276 return (0); 277 } 278 279 280 static fstype_t * 281 get_fstype(const char *type) 282 { 283 int i; 284 285 for (i = 0; fstypes[i].type != NULL; i++) 286 if (strcmp(fstypes[i].type, type) == 0) 287 return (&fstypes[i]); 288 return (NULL); 289 } 290 291 static void 292 usage(void) 293 { 294 const char *prog; 295 296 prog = getprogname(); 297 fprintf(stderr, 298 "Usage: %s [-t fs-type] [-o fs-options] [-d debug-mask] [-B endian]\n" 299 "\t[-S sector-size] [-M minimum-size] [-m maximum-size] [-s image-size]\n" 300 "\t[-b free-blocks] [-f free-files] [-F mtree-specfile]\n" 301 "\timage-file directory\n", 302 prog); 303 exit(1); 304 } 305
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