Commit | Line | Data |
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3315e8b3 | 1 | /* -*-c-*- |
2 | * | |
e55daacc | 3 | * $Id$ |
3315e8b3 | 4 | * |
5 | * Management of build processes | |
6 | * | |
7 | * (c) 1999 EBI | |
8 | */ | |
9 | ||
10 | /*----- Licensing notice --------------------------------------------------* | |
11 | * | |
12 | * This file is part of sw-tools. | |
13 | * | |
14 | * sw-tools is free software; you can redistribute it and/or modify | |
15 | * it under the terms of the GNU General Public License as published by | |
16 | * the Free Software Foundation; either version 2 of the License, or | |
17 | * (at your option) any later version. | |
18 | * | |
19 | * sw-tools is distributed in the hope that it will be useful, | |
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
22 | * GNU General Public License for more details. | |
23 | * | |
24 | * You should have received a copy of the GNU General Public License | |
25 | * along with sw-tools; if not, write to the Free Software Foundation, | |
26 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
27 | */ | |
28 | ||
3315e8b3 | 29 | /*----- Header files ------------------------------------------------------*/ |
30 | ||
31 | #include "config.h" | |
32 | ||
33 | #include <ctype.h> | |
34 | #include <errno.h> | |
35 | #include <signal.h> | |
36 | #include <stdarg.h> | |
37 | #include <stdio.h> | |
38 | #include <stdlib.h> | |
39 | #include <string.h> | |
e55daacc | 40 | #include <time.h> |
3315e8b3 | 41 | |
42 | #include <sys/types.h> | |
43 | #include <sys/time.h> | |
44 | #include <sys/select.h> | |
45 | #include <sys/stat.h> | |
46 | #include <unistd.h> | |
47 | #include <fcntl.h> | |
48 | #include <sys/wait.h> | |
1efab4fe | 49 | #include <sys/utsname.h> |
3315e8b3 | 50 | |
51 | #ifndef DECL_ENVIRON | |
52 | extern char **environ; | |
53 | #endif | |
54 | ||
55 | #include <mLib/alloc.h> | |
56 | #include <mLib/dstr.h> | |
57 | #include <mLib/exc.h> | |
58 | #include <mLib/quis.h> | |
59 | #include <mLib/report.h> | |
60 | ||
61 | #include "sw.h" | |
62 | #include "sw_arch.h" | |
63 | #include "sw_build.h" | |
64 | #include "sw_info.h" | |
65 | #include "sw_rsh.h" | |
66 | ||
67 | #define PRES_LINK 0 | |
68 | #define PRES_DEFAULT 0 | |
69 | #define PRES_PREFERENCE 0 | |
70 | #include "pres_plain.h" | |
71 | #include "pres_curses.h" | |
72 | ||
73 | /*----- Data structures ---------------------------------------------------*/ | |
74 | ||
75 | /*----- Static variables --------------------------------------------------*/ | |
76 | ||
77 | static pres *preslist = PRES_LINK; | |
78 | ||
79 | /*----- Main code ---------------------------------------------------------*/ | |
80 | ||
81 | /* --- @swbuild_archlist@ --- * | |
82 | * | |
83 | * Arguments: @swinfo *sw@ = pointer to the build information block | |
84 | * | |
85 | * Returns: A list of architectures which are to be built. | |
86 | * | |
87 | * Use: Decides which architectures need building, and returns them | |
88 | * in a list. | |
89 | */ | |
90 | ||
91 | archcons *swbuild_archlist(swinfo *sw) | |
92 | { | |
93 | archcons *a = arch_readtab(); | |
94 | const char *only = 0; | |
95 | unsigned and = 0, xor = 0; | |
96 | ||
97 | /* --- Restrict the architecture list appropriately --- */ | |
98 | ||
99 | only = opt_arch ? opt_arch : sw->only_arch; | |
100 | ||
101 | /* --- Apply the built flags --- */ | |
102 | ||
103 | if (!(opt_flags & optFlag_force) && sw->arch) { | |
104 | archcons *aa = arch_filter(a, sw->arch, 0, 0); | |
105 | archcons *c; | |
106 | for (c = aa; c; c = c->cdr) | |
107 | c->car->flags |= archFlag_built; | |
108 | arch_free(aa); | |
109 | and |= archFlag_built; | |
110 | } | |
111 | ||
112 | return (arch_filter(a, only, and, xor)); | |
113 | } | |
114 | ||
115 | /*----- Main build command ------------------------------------------------*/ | |
116 | ||
117 | /* --- @sw_run@ --- * | |
118 | * | |
119 | * Arguments: @int argc@ = number of command line arguments | |
120 | * @char *argv[]@ = array of command line arguments | |
121 | * | |
122 | * Returns: Zero on success (all builds OK) or nonzero for failure. | |
123 | * | |
124 | * Use: Runs a multi-architecture build. | |
125 | */ | |
126 | ||
127 | int sw_run(int argc, char *argv[]) | |
128 | { | |
129 | swinfo sw; | |
130 | archcons *a; | |
131 | pres *p = PRES_DEFAULT; | |
132 | fd_set fdin; | |
133 | int active = 0; | |
134 | int maxfd = 0; | |
135 | int rc = 0; | |
136 | ||
137 | /* --- Handle help on output styles --- */ | |
138 | ||
139 | if (opt_output && strcmp(opt_output, "help") == 0) { | |
140 | printf("Presentation styles supported:"); | |
141 | for (p = preslist; p; p = p->next) | |
142 | printf(" %s", p->name); | |
143 | putc('\n', stdout); | |
144 | printf("The default presentation style is %s\n", (PRES_DEFAULT)->name); | |
145 | exit(0); | |
146 | } | |
147 | ||
148 | /* --- Validate arguments --- */ | |
149 | ||
150 | if (!argv[1]) | |
151 | die(1, "Usage: run COMMAND [ARG...]"); | |
152 | ||
153 | /* --- Choose an output presentation style --- */ | |
154 | ||
155 | if (opt_output) { | |
156 | pres *q; | |
157 | size_t sz = strlen(opt_output); | |
158 | p = 0; | |
159 | ||
160 | for (q = preslist; q; q = q->next) { | |
161 | if (strncmp(opt_output, q->name, sz) == 0) { | |
162 | if (q->name[sz] == 0) { | |
163 | p = q; | |
164 | break; | |
165 | } else if (p) | |
166 | die(1, "ambiguous output style `%s'", opt_output); | |
167 | else | |
168 | p = q; | |
169 | } | |
170 | } | |
171 | ||
172 | if (!p) | |
173 | die(1, "unknown output style `%s'", opt_output); | |
174 | } | |
175 | ||
176 | if (p->ok && !p->ok()) { | |
177 | moan("output style `%s' can't run; using `plain' instead", p->name); | |
178 | p = &pres_plain; | |
179 | } | |
180 | ||
181 | /* --- Decide on an architecture --- */ | |
182 | ||
183 | if (swinfo_fetch(&sw)) { | |
184 | die(1, "couldn't read build status: %s (try running setup)", | |
185 | strerror(errno)); | |
186 | } | |
187 | swinfo_sanity(&sw); | |
188 | a = swbuild_archlist(&sw); | |
189 | ||
190 | if (!a) { | |
191 | moan("All desired architectures already built OK."); | |
192 | moan("(Perhaps you forgot `--force', or want to say `%s reset'.)", QUIS); | |
193 | return (0); | |
194 | } | |
195 | ||
196 | /* --- Tie on remote context blocks, and crank up the presentation --- */ | |
197 | ||
198 | { | |
199 | archcons *aa; | |
200 | ||
201 | for (aa = a; aa; aa = aa->cdr) | |
202 | aa->car->r = xmalloc(sizeof(sw_remote)); | |
203 | if (p->init && p->init(a)) | |
204 | die(1, "presentation style refused to start: %s", strerror(errno)); | |
205 | } | |
206 | ||
207 | signal(SIGINT, SIG_IGN); | |
208 | signal(SIGQUIT, SIG_IGN); | |
209 | ||
210 | /* --- Trap any exceptions coming this way --- * | |
211 | * | |
212 | * It's important, for example, that a curses-based presentation system | |
213 | * reset the terminal flags appropriately. | |
214 | */ | |
215 | ||
216 | TRY { | |
217 | /* --- Run remote build processes on the remote hosts --- */ | |
218 | ||
219 | { | |
220 | archcons *aa; | |
1efab4fe | 221 | dstr d = DSTR_INIT; |
222 | char **av; | |
223 | struct utsname u; | |
224 | ||
225 | /* --- Fill in the hostname --- */ | |
226 | ||
bdba26c6 | 227 | if (uname(&u) < 0) |
1efab4fe | 228 | strcpy(u.nodename, "<unknown>"); |
229 | ||
230 | /* --- If necessary, set up the output @argv@ array --- */ | |
231 | ||
232 | if (opt_flags & optFlag_percent) | |
233 | av = xmalloc(argc * sizeof(char *)); | |
234 | else | |
235 | av = argv + 1; | |
236 | ||
237 | /* --- Run through the target build hosts --- */ | |
3315e8b3 | 238 | |
239 | FD_ZERO(&fdin); | |
240 | for (aa = a; aa; aa = aa->cdr) { | |
241 | archent *e = aa->car; | |
242 | sw_remote *r = e->r; | |
1efab4fe | 243 | |
244 | /* --- If necessary, translate `%'-escapes --- */ | |
245 | ||
246 | if (opt_flags & optFlag_percent) { | |
247 | char **pp, **qq; | |
248 | ||
249 | for (pp = argv + 1, qq = av; *pp; pp++, qq++) { | |
250 | if (strchr(*pp, '%') == 0) | |
251 | *qq = *pp; | |
252 | else { | |
253 | char *p; | |
254 | char *q = *pp; | |
255 | for (p = *pp; *p; p++) { | |
256 | if (*p == '%') { | |
257 | DPUTM(&d, q, p - q); | |
258 | p++; | |
259 | switch (*p) { | |
260 | case 0: | |
261 | DPUTC(&d, '%'); | |
262 | goto done_arg; | |
263 | case '%': | |
264 | DPUTC(&d, '%'); | |
265 | break; | |
266 | case 'a': | |
267 | dstr_puts(&d, e->arch); | |
268 | break; | |
269 | case 'h': | |
270 | dstr_puts(&d, e->flags & archFlag_home ? | |
271 | u.nodename : e->host); | |
272 | break; | |
273 | case 'P': | |
274 | dstr_puts(&d, PREFIX); | |
275 | break; | |
276 | case 'p': | |
277 | dstr_puts(&d, sw.package); | |
278 | break; | |
279 | case 'v': | |
280 | dstr_puts(&d, sw.version); | |
281 | break; | |
282 | case 'u': | |
283 | dstr_puts(&d, sw.maintainer); | |
284 | break; | |
285 | default: | |
286 | DPUTC(&d, '%'); | |
287 | DPUTC(&d, *p); | |
288 | break; | |
289 | } | |
290 | q = p + 1; | |
291 | } | |
292 | } | |
293 | DPUTM(&d, q, p - q); | |
294 | done_arg: | |
295 | DPUTZ(&d); | |
296 | *qq = xstrdup(d.buf); | |
297 | DRESET(&d); | |
298 | } | |
299 | } | |
300 | *qq++ = 0; | |
301 | } | |
302 | ||
303 | /* --- Start a new process off --- */ | |
304 | ||
3315e8b3 | 305 | if (swrsh(r, e->flags & archFlag_home ? 0 : e->host, |
1efab4fe | 306 | "build", av)) { |
3315e8b3 | 307 | dstr d = DSTR_INIT; |
308 | dstr_putf(&d, "%s: couldn't start build for architecture `%s': %s", | |
309 | QUIS, e->arch, strerror(errno)); | |
310 | p->output(e, d.buf, d.len); | |
311 | free(r); | |
312 | e->r = 0; | |
313 | dstr_destroy(&d); | |
314 | } else { | |
315 | int fd = r->fdin; | |
316 | if (fd > maxfd) | |
317 | maxfd = fd; | |
318 | active++; | |
319 | FD_SET(fd, &fdin); | |
320 | } | |
1efab4fe | 321 | |
322 | /* --- Free up the argument array --- */ | |
323 | ||
324 | if (opt_flags & optFlag_percent) { | |
325 | char **pp, **qq; | |
326 | ||
327 | for (pp = argv + 1, qq = av; *pp; pp++, qq++) { | |
328 | if (*pp != *qq) | |
329 | free(*qq); | |
330 | } | |
331 | } | |
3315e8b3 | 332 | } |
1efab4fe | 333 | |
334 | if (opt_flags & optFlag_percent) | |
335 | free(av); | |
3315e8b3 | 336 | } |
337 | ||
338 | /* --- Watch the builds until they do something interesting --- */ | |
339 | ||
340 | maxfd++; | |
341 | while (active) { | |
342 | fd_set f; | |
343 | int n; | |
344 | archcons *aa; | |
345 | ||
346 | /* --- Find out what interesting things are happening --- */ | |
347 | ||
348 | memcpy(&f, &fdin, sizeof(f)); | |
349 | n = select(maxfd, &f, 0, 0, 0); | |
350 | if (n < 0) { | |
351 | if (errno == EINTR || errno == EAGAIN) | |
352 | continue; | |
353 | else | |
354 | THROW(EXC_ERRNO, errno); | |
355 | } | |
356 | ||
357 | /* --- Scan through for jobs which need attention --- */ | |
358 | ||
359 | for (aa = a; aa; aa = aa->cdr) { | |
360 | archent *e = aa->car; | |
361 | sw_remote *r = e->r; | |
362 | int t; | |
363 | ||
364 | if (!FD_ISSET(r->fdin, &f)) | |
365 | continue; | |
366 | ||
367 | switch (t = pkrecv(r)) { | |
368 | ||
369 | case PKTYPE_DATA: | |
370 | p->output(e, r->buf, r->sz); | |
371 | break; | |
372 | ||
373 | case PKTYPE_STATUS: { | |
374 | dstr d = DSTR_INIT; | |
375 | int ok = 1; | |
376 | if (r->sz != 1) { | |
377 | r->buf[r->sz] = 0; | |
5636c0ce | 378 | dstr_putf(&d, "failed (%s)", r->buf); |
3315e8b3 | 379 | ok = 0; |
380 | rc = 1; | |
381 | } else if (r->buf[0]) { | |
5636c0ce | 382 | dstr_putf(&d, "failed (status %u)", (unsigned char)r->buf[0]); |
3315e8b3 | 383 | ok = 0; |
384 | rc = 1; | |
5636c0ce | 385 | } else { |
386 | dstr_puts(&d, "finished"); | |
387 | if (opt_flags & optFlag_install) | |
388 | e->flags |= archFlag_built; | |
389 | } | |
3315e8b3 | 390 | if (p->close) |
5636c0ce | 391 | p->close(e, ok, d.buf); |
392 | dstr_destroy(&d); | |
3315e8b3 | 393 | FD_CLR(r->fdin, &fdin); |
394 | close(r->fdin); | |
395 | active--; | |
396 | } break; | |
397 | ||
398 | case PKTYPE_EOF: { | |
3315e8b3 | 399 | if (p->close) |
5636c0ce | 400 | p->close(e, 0, "unexpected exit"); |
3315e8b3 | 401 | rc = 1; |
402 | FD_CLR(r->fdin, &fdin); | |
403 | close(r->fdin); | |
404 | active--; | |
405 | } break; | |
406 | ||
407 | default: { | |
0d451ca5 MW |
408 | dstr d = DSTR_INIT; |
409 | dstr_putf(&d, "\n[Unexpected packet, type %i]\n", t); | |
410 | p->output(e, d.buf, d.len); | |
411 | dstr_destroy(&d); | |
3315e8b3 | 412 | } break; |
413 | } | |
414 | } | |
415 | } | |
416 | } | |
417 | ||
418 | /* --- Handle any exceptions coming this way --- * | |
419 | * | |
420 | * I could do more cleanup here (freeing buffers and so) but it's not worth | |
421 | * it. Nobody's bothering to catch exceptions anyway. | |
422 | */ | |
423 | ||
424 | CATCH { | |
425 | if (p->abort) | |
426 | p->abort(a); | |
427 | switch (exc_type) { | |
428 | case EXC_ERRNO: | |
5636c0ce | 429 | die(1, "unexpected error: %s", strerror(exc_i)); |
3315e8b3 | 430 | break; |
431 | default: | |
432 | RETHROW; | |
433 | break; | |
434 | } | |
435 | } END_TRY; | |
436 | ||
437 | /* --- Tell the presentation that everything's done --- */ | |
438 | ||
439 | if (p->done) | |
440 | p->done(a); | |
441 | else if (opt_flags & optFlag_beep) | |
442 | putchar('\a'); | |
443 | ||
444 | /* --- Clean up the unwanted remote contexts --- */ | |
445 | ||
446 | { | |
447 | archcons *aa; | |
448 | for (aa = a; aa; aa = aa->cdr) | |
0d451ca5 | 449 | free(aa->car->r); |
3315e8b3 | 450 | } |
451 | ||
452 | /* --- Tidy away the architecture list --- */ | |
453 | ||
454 | arch_free(a); | |
455 | ||
456 | /* --- Mark built architectures as having been completed now --- */ | |
457 | ||
458 | if (opt_flags & optFlag_install) { | |
459 | swinfo skel; | |
460 | dstr d = DSTR_INIT; | |
461 | swinfo_clear(&skel); | |
462 | arch_toText(&d, arch_readtab(), archFlag_built, archFlag_built); | |
463 | skel.arch = d.buf; | |
464 | swinfo_update(&sw, &skel); | |
465 | dstr_destroy(&d); | |
466 | if (swinfo_put(&sw)) | |
467 | die(1, "error writing build status: %s", strerror(errno)); | |
468 | } | |
469 | return (rc); | |
470 | } | |
471 | ||
472 | /*----- Main remote entry point -------------------------------------------*/ | |
473 | ||
474 | /* --- @putf@ --- * | |
475 | * | |
476 | * Arguments: @sw_remote *r@ = pointer to remote context | |
477 | * @FILE *fp@ = log file handle | |
478 | * @const char *fmt@ = format string | |
479 | * @...@ = other arguments | |
480 | * | |
481 | * Returns: --- | |
482 | * | |
483 | * Use: Reports a string to the log file and the remote controller | |
484 | * process. | |
485 | */ | |
486 | ||
487 | static void putf(sw_remote *r, FILE *fp, const char *fmt, ...) | |
488 | { | |
489 | va_list ap; | |
490 | dstr d = DSTR_INIT; | |
491 | va_start(ap, fmt); | |
65eb9899 | 492 | dstr_vputf(&d, fmt, &ap); |
3315e8b3 | 493 | va_end(ap); |
494 | if (r) | |
495 | pksend(r, PKTYPE_DATA, d.buf, d.len); | |
496 | if (fp) | |
497 | fwrite(d.buf, 1, d.len, fp); | |
498 | dstr_destroy(&d); | |
499 | } | |
500 | ||
501 | /* --- @swrsh_build@ --- * | |
502 | * | |
503 | * Arguments: @sw_remote *r@ = pointer to remote context | |
504 | * @char *argv[]@ = pointer to argument list | |
505 | * @char *env[]@ = pointer to environment list | |
506 | * | |
507 | * Returns: Doesn't. | |
508 | * | |
509 | * Use: Runs a remote build command. | |
510 | */ | |
511 | ||
512 | void swrsh_build(sw_remote *r, char *argv[], char *env[]) | |
513 | { | |
514 | FILE *logfp; | |
515 | int fd[2]; | |
516 | pid_t kid; | |
517 | ||
1efab4fe | 518 | /* --- Validate the arguments --- */ |
3315e8b3 | 519 | |
520 | if (!argv[0]) | |
521 | swdie(r, 1, "Usage: build COMMAND [ARG...]"); | |
522 | ||
523 | /* --- Change into architecture directory --- */ | |
524 | ||
525 | if (mkdir(ARCH, 0775) && errno != EEXIST) | |
526 | swdie(r, 1, "mkdir(`%s') failed: %s", ARCH, strerror(errno)); | |
527 | if (chdir(ARCH)) { | |
528 | swdie(r, 1, "couldn't change directory to `%s': %s", | |
529 | ARCH, strerror(errno)); | |
530 | } | |
531 | if (pipe(fd)) | |
532 | swdie(r, 1, "couldn't create pipe: %s", strerror(errno)); | |
533 | ||
534 | /* --- Open the log file --- */ | |
535 | ||
536 | { | |
537 | int logfd = open(".build-log", O_WRONLY | O_APPEND | O_CREAT, 0664); | |
538 | time_t t; | |
539 | struct tm *tm; | |
540 | char buf[64]; | |
541 | char **p; | |
1efab4fe | 542 | struct utsname u; |
3315e8b3 | 543 | |
bdba26c6 | 544 | if (uname(&u) < 0) |
1efab4fe | 545 | swdie(r, 1, "couldn't get hostname: %s", strerror(errno)); |
3315e8b3 | 546 | if (logfd < 0) |
547 | swdie(r, 1, "couldn't open `.build-log' file: %s", strerror(errno)); | |
548 | if ((logfp = fdopen(logfd, "a")) == 0) { | |
549 | swdie(r, 1, "couldn't open stream on `.build-log' file: %s", | |
550 | strerror(errno)); | |
551 | } | |
552 | t = time(0); | |
553 | tm = localtime(&t); | |
554 | strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", tm); | |
1efab4fe | 555 | fprintf(logfp, "\n\n*** %s: %s started build: %s", |
556 | buf, u.nodename, argv[0]); | |
3315e8b3 | 557 | for (p = argv + 1; *p; p++) |
558 | fprintf(logfp, " %s", *p); | |
559 | fputs("\n\n", logfp); | |
560 | } | |
561 | ||
562 | /* --- Start off the child process --- */ | |
563 | ||
564 | kid = fork(); | |
565 | if (kid == 0) { | |
566 | int nullfd; | |
567 | close(fd[0]); | |
568 | dup2(fd[1], 1); | |
569 | dup2(fd[1], 2); | |
570 | if (fd[1] > 2) | |
571 | close(fd[1]); | |
572 | close(0); | |
573 | nullfd = open("/dev/null", O_RDONLY); | |
574 | if (nullfd > 0) { | |
575 | dup2(nullfd, 0); | |
576 | close(nullfd); | |
577 | } | |
578 | environ = env; | |
579 | execvp(argv[0], argv); | |
580 | fprintf(stderr, "failed to start `%s': %s\n", argv[0], strerror(errno)); | |
581 | _exit(127); | |
582 | } | |
583 | ||
584 | /* --- Read from the pipe, and write to the socket and logfile --- */ | |
585 | ||
586 | close(fd[1]); | |
587 | for (;;) { | |
588 | ssize_t n = read(fd[0], r->buf, PKMAX); | |
589 | if (!n) | |
590 | break; | |
591 | if (n < 0) { | |
1efab4fe | 592 | putf(r, logfp, "\n*** error reading from pipe: %s\n", strerror(errno)); |
3315e8b3 | 593 | kill(kid, SIGTERM); |
594 | break; | |
595 | } | |
596 | fwrite(r->buf, 1, n, logfp); | |
597 | pksend(r, PKTYPE_DATA, r->buf, n); | |
598 | } | |
599 | close(fd[0]); | |
600 | ||
601 | /* --- Reap exit status and produce final report --- */ | |
602 | ||
603 | { | |
604 | int status; | |
1efab4fe | 605 | if (waitpid(kid, &status, 0) < 0) { |
606 | putf(r, logfp, "\n*** error reading exit status: %s\n", | |
607 | strerror(errno)); | |
608 | } else { | |
3315e8b3 | 609 | if (WIFSIGNALED(status)) |
1efab4fe | 610 | fprintf(logfp, "\n*** exited on signal %i\n", WTERMSIG(status)); |
3315e8b3 | 611 | else if (WIFEXITED(status)) |
1efab4fe | 612 | fprintf(logfp, "\n*** exited with status %i\n", WEXITSTATUS(status)); |
3315e8b3 | 613 | else |
1efab4fe | 614 | fprintf(logfp, "\n*** reaped, but didn't exit. Strange\n"); |
3315e8b3 | 615 | } |
616 | fclose(logfp); | |
617 | swwait(r, status); | |
618 | } | |
619 | } | |
620 | ||
621 | /*----- Syntactic sugar ---------------------------------------------------*/ | |
622 | ||
623 | /* | |
624 | * `Syntactic sugar causes cancer of the semicolon.' | |
625 | * -- Alan Perlis, `Epigrams in Programming' | |
626 | */ | |
627 | ||
628 | /* --- @build@ --- * | |
629 | * | |
630 | * Arguments: @char **u@ = first segment | |
631 | * @char **v@ = second segment | |
632 | * | |
633 | * Returns: Return code from the build. | |
634 | * | |
635 | * Use: Combines two @argv@-style arrays and then runs a build on the | |
636 | * result. | |
637 | */ | |
638 | ||
639 | static int build(char **u, char **v) | |
640 | { | |
641 | size_t i, j; | |
642 | char **p; | |
643 | ||
644 | for (i = 0, p = u; *p; p++, i++) ; | |
645 | for (j = 0, p = v; *p; p++, j++) ; | |
646 | p = xmalloc((i + j + 2) * sizeof(char **)); | |
647 | memcpy(p + 1, u, i * sizeof(char **)); | |
648 | memcpy(p + i + 1, v, j * sizeof(char **)); | |
649 | p[0] = p[i + j + 1] = 0; | |
650 | return (sw_run(i + j + 1, p)); | |
651 | } | |
652 | ||
653 | /* --- @sw_make@ --- */ | |
654 | ||
655 | int sw_make(int argc, char *argv[]) | |
656 | { | |
657 | static char *mk[] = { 0, 0 }; | |
658 | if (!mk[0]) { | |
659 | char *m; | |
660 | if ((m = getenv("SW_MAKE")) == 0 && | |
661 | (m = getenv("MAKE")) == 0) | |
662 | m = "make"; | |
663 | mk[0] = m; | |
664 | } | |
665 | return (build(mk, argv + 1)); | |
666 | } | |
667 | ||
668 | /* --- @sw_conf@ --- */ | |
669 | ||
670 | int sw_conf(int argc, char *argv[]) | |
671 | { | |
672 | static char *cf[] = { "../configure", "--prefix=" PREFIX, 0 }; | |
673 | return (build(cf, argv + 1)); | |
674 | } | |
675 | ||
676 | /*----- Other subcommands -------------------------------------------------*/ | |
677 | ||
678 | /* --- @sw_reset@ --- */ | |
679 | ||
680 | int sw_reset(int argc, char *argv[]) | |
681 | { | |
682 | swinfo sw, skel; | |
683 | if (argc != 1) | |
684 | die(1, "Usage: reset"); | |
685 | if (swinfo_fetch(&sw)) { | |
686 | die(1, "couldn't read build status: %s (try running setup)", | |
687 | strerror(errno)); | |
688 | } | |
689 | swinfo_sanity(&sw); | |
690 | swinfo_clear(&skel); | |
691 | skel.arch = ""; | |
692 | swinfo_update(&sw, &skel); | |
693 | if (swinfo_put(&sw)) | |
694 | die(1, "couldn't write build status: %s", strerror(errno)); | |
695 | return (0); | |
696 | } | |
697 | ||
698 | /*----- That's all, folks -------------------------------------------------*/ |