| 1 | /* |
| 2 | * Copyright 2000, International Business Machines Corporation and others. |
| 3 | * All Rights Reserved. |
| 4 | * |
| 5 | * This software has been released under the terms of the IBM Public |
| 6 | * License. For details, see the LICENSE file in the top-level source |
| 7 | * directory or online at http://www.openafs.org/dl/license10.html |
| 8 | */ |
| 9 | |
| 10 | /* Make the AFS_component_version_number.c file. Do it in C since there's no |
| 11 | * guarantee of perl on an NT platform. |
| 12 | * |
| 13 | */ |
| 14 | |
| 15 | #include <stdio.h> |
| 16 | #include <stdlib.h> |
| 17 | #include <sys/types.h> |
| 18 | #include <sys/stat.h> |
| 19 | #include <errno.h> |
| 20 | #include <string.h> |
| 21 | #include <time.h> |
| 22 | |
| 23 | #define VERINFO_STRING_CHARS_MAX 950 /* max chars in verinfo string */ |
| 24 | #define CFILE_STRING_CHARS_MAX 2000 /* max chars in C file string */ |
| 25 | |
| 26 | #define DEPTH_MAX 6 /* maximum depth of src dir search (>= 3) */ |
| 27 | |
| 28 | #define CMLDIR_DFLT "../../src/CML" /* default starting point for search */ |
| 29 | #define CMLDIR_BUFSZ ((DEPTH_MAX * (sizeof("../") - 1)) + sizeof("src/CML")) |
| 30 | static char cmldir[CMLDIR_BUFSZ]; |
| 31 | |
| 32 | #define STATE "state" |
| 33 | #define STAMPS "stamps" |
| 34 | |
| 35 | #define CML_STRING "cml_version_number[]=\"@(#)" |
| 36 | #define CML_VER_DECL "char " CML_STRING |
| 37 | char *cml_string = CML_VER_DECL; |
| 38 | |
| 39 | #define VERINFO_BUILD_STRING "#define AFS_VERINFO_BUILD " |
| 40 | |
| 41 | #define AFS_STRING "char* AFSVersion = \"" |
| 42 | #define VERS_FILE "AFS_component_version_number" |
| 43 | |
| 44 | #define MAXDELTAS 128 |
| 45 | typedef struct { |
| 46 | char name[512]; |
| 47 | char type; |
| 48 | } deltaNames; |
| 49 | |
| 50 | deltaNames stateDeltas[MAXDELTAS], stampDeltas[MAXDELTAS]; |
| 51 | FILE *fpStamps; |
| 52 | FILE *fpState; |
| 53 | FILE *fpVers; |
| 54 | int nStates = 0; |
| 55 | int nStamps = 0; |
| 56 | |
| 57 | enum { |
| 58 | CF_DEFAULT, |
| 59 | CF_VERINFO, |
| 60 | CF_TEXT, |
| 61 | CF_XML |
| 62 | } cfgFormat = CF_DEFAULT; |
| 63 | |
| 64 | char *programName; |
| 65 | |
| 66 | void PrintStamps(void); |
| 67 | |
| 68 | void |
| 69 | Usage(void) |
| 70 | { |
| 71 | printf |
| 72 | ("Usage: %s [-d directory] [-o output file name] [-c component] [-v | -t | -x]\n", |
| 73 | programName); |
| 74 | printf("%s creates the AFS_component_version_number.c file.\n", |
| 75 | programName); |
| 76 | printf("Options:\n"); |
| 77 | printf("-d directory - path of the CML directory, default is %s.\n", |
| 78 | CMLDIR_DFLT); |
| 79 | printf("-o file name - alternate output file name.\n"); |
| 80 | printf |
| 81 | ("-c component - if not \"afs\" prefix for cml_version_number variable.\n"); |
| 82 | printf("-v generate NT versioninfo style declarations.\n"); |
| 83 | printf("-t generate text file style information.\n"); |
| 84 | printf("-x generate XML revision information.\n"); |
| 85 | exit(1); |
| 86 | } |
| 87 | |
| 88 | int |
| 89 | main(int argc, char **argv) |
| 90 | { |
| 91 | char stampsFile[1024]; |
| 92 | char stateFile[1024]; |
| 93 | char s[1024]; |
| 94 | int i; |
| 95 | char *baseDir; |
| 96 | int argDir = 0; |
| 97 | char *outputFile = NULL; |
| 98 | char outputFileBuf[sizeof(VERS_FILE) + 4]; |
| 99 | struct stat sbuf; |
| 100 | time_t versTime; |
| 101 | int reBuild = 0; |
| 102 | int code; |
| 103 | char *cml_prefix = NULL; |
| 104 | |
| 105 | /* initialize cmldir buffer and set default starting directory */ |
| 106 | for (i = 0; i < DEPTH_MAX; i++) { |
| 107 | strcat(cmldir, "../"); |
| 108 | } |
| 109 | strcat(cmldir, "src/CML"); |
| 110 | |
| 111 | baseDir = strstr(cmldir, CMLDIR_DFLT); |
| 112 | |
| 113 | programName = argv[0]; |
| 114 | |
| 115 | for (i = 1; i < argc; i++) { |
| 116 | if (!strcmp("-d", argv[i])) { |
| 117 | i++; |
| 118 | if (i >= argc || *argv[i] == '-') { |
| 119 | printf("Missing directory name for -d option.\n"); |
| 120 | Usage(); |
| 121 | } |
| 122 | baseDir = argv[i]; |
| 123 | argDir = 1; |
| 124 | } else if (!strcmp("-o", argv[i])) { |
| 125 | i++; |
| 126 | if (i >= argc || *argv[i] == '-') { |
| 127 | printf("Missing output file name for -o option.\n"); |
| 128 | Usage(); |
| 129 | } |
| 130 | outputFile = argv[i]; |
| 131 | } else if (!strcmp("-c", argv[i])) { |
| 132 | i++; |
| 133 | if (i >= argc || *argv[i] == '-') { |
| 134 | printf("Missing component for -c option.\n"); |
| 135 | Usage(); |
| 136 | } |
| 137 | cml_prefix = argv[i]; |
| 138 | } else if (!strcmp("-v", argv[i])) { |
| 139 | if (cfgFormat == CF_DEFAULT || cfgFormat == CF_VERINFO) { |
| 140 | cfgFormat = CF_VERINFO; |
| 141 | } else { |
| 142 | printf("Specify only one alternative output format\n"); |
| 143 | Usage(); |
| 144 | } |
| 145 | } else if (!strcmp("-t", argv[i])) { |
| 146 | if (cfgFormat == CF_DEFAULT || cfgFormat == CF_TEXT) { |
| 147 | cfgFormat = CF_TEXT; |
| 148 | } else { |
| 149 | printf("Specify only one alternative output format\n"); |
| 150 | Usage(); |
| 151 | } |
| 152 | } else if (!strcmp("-x", argv[i])) { |
| 153 | if (cfgFormat == CF_DEFAULT || cfgFormat == CF_XML) { |
| 154 | cfgFormat = CF_XML; |
| 155 | } else { |
| 156 | printf("Specify only one alternative output format\n"); |
| 157 | Usage(); |
| 158 | } |
| 159 | } else { |
| 160 | printf("%s: Unknown argument.\n", argv[i]); |
| 161 | Usage(); |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | /* set outputFile if not specified */ |
| 166 | |
| 167 | if (outputFile == NULL) { |
| 168 | strcpy(outputFileBuf, VERS_FILE); |
| 169 | if (cfgFormat == CF_VERINFO) { |
| 170 | strcat(outputFileBuf, ".h"); |
| 171 | } else if (cfgFormat == CF_TEXT) { |
| 172 | strcat(outputFileBuf, ".txt"); |
| 173 | } else if (cfgFormat == CF_XML) { |
| 174 | strcat(outputFileBuf, ".xml"); |
| 175 | } else { |
| 176 | strcat(outputFileBuf, ".c"); |
| 177 | } |
| 178 | outputFile = outputFileBuf; |
| 179 | } |
| 180 | |
| 181 | /* Determine if we need to create the output file. */ |
| 182 | |
| 183 | if ((code = stat(outputFile, &sbuf)) < 0) { |
| 184 | reBuild = 1; |
| 185 | versTime = (time_t) 0; /* indicates no output file. */ |
| 186 | } else { |
| 187 | versTime = sbuf.st_mtime; |
| 188 | } |
| 189 | |
| 190 | sprintf(stampsFile, "%s/%s", baseDir, STAMPS); |
| 191 | code = stat(stampsFile, &sbuf); |
| 192 | |
| 193 | while (code < 0 && errno == ENOENT && !argDir && baseDir > cmldir) { |
| 194 | /* Try path at next level of depth. */ |
| 195 | baseDir -= sizeof("../") - 1; |
| 196 | sprintf(stampsFile, "%s/%s", baseDir, STAMPS); |
| 197 | code = stat(stampsFile, &sbuf); |
| 198 | } |
| 199 | if (code == 0 && versTime <= sbuf.st_mtime) { |
| 200 | reBuild = 1; |
| 201 | } |
| 202 | |
| 203 | sprintf(stateFile, "%s/%s", baseDir, STATE); |
| 204 | |
| 205 | if (!reBuild) { |
| 206 | code = stat(stateFile, &sbuf); |
| 207 | /* dont' check alternate base dir, since it would be reset above */ |
| 208 | if (code == 0 && versTime <= sbuf.st_mtime) |
| 209 | reBuild = 1; |
| 210 | } |
| 211 | |
| 212 | if (!reBuild) { |
| 213 | printf("Not rebuilding %s since it is up to date.\n", outputFile); |
| 214 | exit(0); |
| 215 | } |
| 216 | |
| 217 | if (cml_prefix) { |
| 218 | cml_string = |
| 219 | (char *)malloc(strlen("char ") + strlen(cml_prefix) + strlen(CML_STRING) + |
| 220 | 1); |
| 221 | if (!cml_string) { |
| 222 | printf("No space to use prefix in cml string, ignoring it.\n"); |
| 223 | cml_string = CML_VER_DECL; |
| 224 | } else { |
| 225 | (void)sprintf(cml_string, "%s%s%s", "char ", cml_prefix, |
| 226 | CML_STRING); |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | fpState = fopen(stateFile, "r"); |
| 231 | fpStamps = fopen(stampsFile, "r"); |
| 232 | fpVers = fopen(outputFile, "w"); |
| 233 | |
| 234 | if (fpStamps == NULL || fpState == NULL || fpVers == NULL) { |
| 235 | if (fpVers) { |
| 236 | if (cfgFormat == CF_VERINFO) { |
| 237 | fprintf(fpVers, |
| 238 | "%s \"No configuration information available\"\n", |
| 239 | VERINFO_BUILD_STRING); |
| 240 | } else if (cfgFormat == CF_TEXT) { |
| 241 | fprintf(fpVers, "No configuration information available.\n"); |
| 242 | } else { |
| 243 | fprintf(fpVers, |
| 244 | "%sNo configuration information available\";\n", |
| 245 | cml_string); |
| 246 | fprintf(fpVers, "%safs??\";\n", AFS_STRING); |
| 247 | } |
| 248 | fclose(fpVers); |
| 249 | } else { |
| 250 | fprintf(stderr, "Can't write version information to %s.\n", |
| 251 | outputFile); |
| 252 | } |
| 253 | fprintf(stderr, |
| 254 | "No configuration information available, continuing...\n"); |
| 255 | exit(1); |
| 256 | } |
| 257 | |
| 258 | |
| 259 | nStates = 0; |
| 260 | while (fgets(s, sizeof(s), fpState)) { |
| 261 | if (*s == 'I' || *s == 'N' || *s == 'C' || *s == 'O') { |
| 262 | stateDeltas[nStates].type = *s; |
| 263 | s[strlen(s) - 1] = '\0'; |
| 264 | (void)strcpy(stateDeltas[nStates].name, s + 2); |
| 265 | nStates++; |
| 266 | } |
| 267 | |
| 268 | } |
| 269 | fclose(fpState); |
| 270 | |
| 271 | PrintStamps(); |
| 272 | fclose(fpVers); |
| 273 | |
| 274 | return 0; |
| 275 | } |
| 276 | |
| 277 | |
| 278 | void |
| 279 | PrintStamps(void) |
| 280 | { |
| 281 | char *s; |
| 282 | char *c = NULL; |
| 283 | int i; |
| 284 | size_t outMax, outCount = 0; |
| 285 | time_t t = time(NULL); |
| 286 | |
| 287 | if (cfgFormat == CF_VERINFO) { |
| 288 | outMax = VERINFO_STRING_CHARS_MAX; |
| 289 | } else if (cfgFormat == CF_TEXT) { |
| 290 | outMax = 0; /* signifies that there is no maximum */ |
| 291 | } else { |
| 292 | outMax = CFILE_STRING_CHARS_MAX; |
| 293 | } |
| 294 | |
| 295 | for (i = 0; i < nStates; i++) { |
| 296 | if (stateDeltas[i].type == 'C') { |
| 297 | if (cfgFormat == CF_VERINFO) { |
| 298 | fprintf(fpVers, "%s \"Base configuration %s", |
| 299 | VERINFO_BUILD_STRING, stateDeltas[i].name); |
| 300 | } else if (cfgFormat == CF_TEXT) { |
| 301 | fprintf(fpVers, "Base configuration %s\n", |
| 302 | stateDeltas[i].name); |
| 303 | } else if (cfgFormat == CF_XML) { |
| 304 | fprintf(fpVers, |
| 305 | "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" |
| 306 | "<revision>\n" |
| 307 | "<revnumber>\n" |
| 308 | "Base configuration %s\n" |
| 309 | "</revnumber>\n" |
| 310 | "<date>\n" |
| 311 | "%s" |
| 312 | "</date>\n" |
| 313 | "</revision>\n", |
| 314 | stateDeltas[i].name, ctime(&t)); |
| 315 | } else { |
| 316 | fprintf(fpVers, "%sBase configuration %s", cml_string, |
| 317 | stateDeltas[i].name); |
| 318 | } |
| 319 | c = stateDeltas[i].name; |
| 320 | break; |
| 321 | } |
| 322 | } |
| 323 | |
| 324 | for (i = 0; i < nStates; i++) { |
| 325 | if (stateDeltas[i].type == 'I' || stateDeltas[i].type == 'N') { |
| 326 | outCount += strlen(stateDeltas[i].name) + 2; |
| 327 | if (outMax && outCount > outMax) { |
| 328 | break; |
| 329 | } |
| 330 | if (cfgFormat == CF_TEXT) { |
| 331 | fprintf(fpVers, "%c%s\n", stateDeltas[i].type, |
| 332 | stateDeltas[i].name); |
| 333 | } else if (cfgFormat == CF_XML) { |
| 334 | fprintf(fpVers, |
| 335 | "<revremark>\n" |
| 336 | ";%c%s" |
| 337 | "</revremark>\n", |
| 338 | stateDeltas[i].type, |
| 339 | stateDeltas[i].name); |
| 340 | } else { |
| 341 | fprintf(fpVers, ";%c%s", stateDeltas[i].type, |
| 342 | stateDeltas[i].name); |
| 343 | } |
| 344 | } |
| 345 | } |
| 346 | |
| 347 | for (i = 0; i < nStates; i++) { |
| 348 | if (stateDeltas[i].type == 'O') { |
| 349 | outCount += strlen(stateDeltas[i].name) + 2; |
| 350 | if (outMax && outCount > outMax) { |
| 351 | break; |
| 352 | } |
| 353 | if (cfgFormat == CF_TEXT) { |
| 354 | fprintf(fpVers, "%c%s\n", stateDeltas[i].type, |
| 355 | stateDeltas[i].name); |
| 356 | } else if (cfgFormat == CF_XML) { |
| 357 | fprintf(fpVers, |
| 358 | "<revremark>\n" |
| 359 | ";%c%s" |
| 360 | "</revremark>\n", |
| 361 | stateDeltas[i].type, |
| 362 | stateDeltas[i].name); |
| 363 | } else { |
| 364 | fprintf(fpVers, ";%c%s", stateDeltas[i].type, |
| 365 | stateDeltas[i].name); |
| 366 | } |
| 367 | } |
| 368 | } |
| 369 | |
| 370 | if (outMax && outCount > outMax) { |
| 371 | fprintf(fpVers, ";[LIST TRUNCATED]"); |
| 372 | } |
| 373 | |
| 374 | if (cfgFormat == CF_VERINFO) { |
| 375 | fprintf(fpVers, "\"\n"); |
| 376 | } else if (cfgFormat == CF_DEFAULT) { |
| 377 | fprintf(fpVers, "\";\n"); |
| 378 | |
| 379 | if (c) |
| 380 | c += 3; |
| 381 | s = (char *)strchr(c, ' '); |
| 382 | if (s) |
| 383 | *s = '\0'; |
| 384 | fprintf(fpVers, "%s%s\";\n", AFS_STRING, c ? c : "Unknown"); |
| 385 | } else if (cfgFormat == CF_XML) { |
| 386 | fprintf(fpVers, "</revision>\n"); |
| 387 | } |
| 388 | } |