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805e021f CE |
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 | } |