git.ozlabs.org Git - ccan/blob - tools/ccanlint/ccanlint.c

   1 /*
   2  * ccanlint: assorted checks and advice for a ccan package
   3  * Copyright (C) 2008 Rusty Russell, Idris Soule
   4  * Copyright (C) 2010 Rusty Russell, Idris Soule
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the Free
   8  * Software Foundation; either version 2 of the License, or (at your option)
   9  * any later version.
  10  *
  11  *   This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  * more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along with
  17  * this program; if not, write to the Free Software Foundation, Inc., 51
  18  * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20 #include "ccanlint.h"
  21 #include "../tools.h"
  22 #include <unistd.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <err.h>
  27 #include <ctype.h>
  28 #include <ccan/btree/btree.h>
  29 #include <ccan/str/str.h>
  30 #include <ccan/str_talloc/str_talloc.h>
  31 #include <ccan/talloc/talloc.h>
  32 #include <ccan/opt/opt.h>
  33 #include <ccan/foreach/foreach.h>
  34 #include <ccan/grab_file/grab_file.h>
  35 #include <ccan/cast/cast.h>
  36 #include <ccan/tlist/tlist.h>
  37 #include <ccan/strmap/strmap.h>
  38
  39 struct ccanlint_map {
  40         STRMAP_MEMBERS(struct ccanlint *);
  41 };
  42
  43 int verbose = 0;
  44 static struct ccanlint_map tests;
  45 bool safe_mode = false;
  46 static bool targeting = false;
  47 static struct btree *cmdline_exclude;
  48 static struct btree *info_exclude;
  49 static unsigned int timeout;
  50 static struct dgraph_node all;
  51
  52 /* These are overridden at runtime if we can find config.h */
  53 const char *compiler = NULL;
  54 const char *cflags = NULL;
  55
  56 const char *config_header;
  57
  58 #if 0
  59 static void indent_print(const char *string)
  60 {
  61         while (*string) {
  62                 unsigned int line = strcspn(string, "\n");
  63                 printf("\t%.*s", line, string);
  64                 if (string[line] == '\n') {
  65                         printf("\n");
  66                         line++;
  67                 }
  68                 string += line;
  69         }
  70 }
  71 #endif
  72
  73 bool ask(const char *question)
  74 {
  75         char reply[80];
  76
  77         printf("%s ", question);
  78         fflush(stdout);
  79
  80         return fgets(reply, sizeof(reply), stdin) != NULL
  81                 && toupper(reply[0]) == 'Y';
  82 }
  83
  84 static const char *should_skip(struct manifest *m, struct ccanlint *i)
  85 {
  86         if (btree_lookup(cmdline_exclude, i->key))
  87                 return "excluded on command line";
  88
  89         if (btree_lookup(info_exclude, i->key))
  90                 return "excluded in _info file";
  91
  92         if (i->skip)
  93                 return i->skip;
  94
  95         if (i->skip_fail)
  96                 return "dependency failed";
  97
  98         if (i->can_run)
  99                 return i->can_run(m);
 100         return NULL;
 101 }
 102
 103 static bool skip_node(struct dgraph_node *to, const char *failmsg)
 104 {
 105         struct ccanlint *c = container_of(to, struct ccanlint, node);
 106         if (!c->skip) {
 107                 if (failmsg) {
 108                         c->skip = failmsg;
 109                         c->skip_fail = true;
 110                 } else {
 111                         c->skip = "dependency was skipped";
 112                 }
 113         }
 114         return true;
 115 }
 116
 117 struct run_info {
 118         bool quiet;
 119         unsigned int score, total;
 120         struct manifest *m;
 121         const char *prefix;
 122         bool pass;
 123 };
 124
 125 static bool run_test(struct dgraph_node *n, struct run_info *run)
 126 {
 127         struct ccanlint *i = container_of(n, struct ccanlint, node);
 128         unsigned int timeleft;
 129         const char *skip;
 130         struct score *score;
 131
 132         if (i->done)
 133                 return true;
 134
 135         score = talloc(run->m, struct score);
 136         list_head_init(&score->per_file_errors);
 137         score->error = NULL;
 138         score->pass = false;
 139         score->score = 0;
 140         score->total = 1;
 141
 142         skip = should_skip(run->m, i);
 143
 144         if (skip) {
 145         skip:
 146                 if (verbose)
 147                         printf("%s%s: skipped (%s)\n",
 148                                run->prefix, i->name, skip);
 149
 150                 /* If we're skipping this because a prereq failed, we fail:
 151                  * count it as a score of 1. */
 152                 if (i->skip_fail)
 153                         run->total++;
 154
 155                 dgraph_traverse_from(&i->node, skip_node,
 156                                      i->skip_fail ? "dependency failed" : NULL);
 157                 dgraph_clear_node(&i->node);
 158                 score->pass = i->skip_fail ? false : true;
 159                 goto out;
 160         }
 161
 162         timeleft = timeout ? timeout : default_timeout_ms;
 163         i->check(run->m, i->keep_results, &timeleft, score);
 164         if (timeout && timeleft == 0) {
 165                 skip = "timeout";
 166                 goto skip;
 167         }
 168
 169         assert(score->score <= score->total);
 170         if ((!score->pass && !run->quiet)
 171             || (score->score < score->total && verbose)
 172             || verbose > 1) {
 173                 printf("%s%s (%s): %s",
 174                        run->prefix, i->name, i->key,
 175                        score->pass ? "PASS" : "FAIL");
 176                 if (score->total > 1)
 177                         printf(" (+%u/%u)", score->score, score->total);
 178                 printf("\n");
 179         }
 180
 181         if ((!run->quiet && !score->pass) || verbose) {
 182                 if (score->error) {
 183                         printf("%s%s", score->error,
 184                                strends(score->error, "\n") ? "" : "\n");
 185                 }
 186         }
 187         if (!run->quiet && score->score < score->total && i->handle)
 188                 i->handle(run->m, score);
 189
 190         run->score += score->score;
 191         run->total += score->total;
 192
 193         if (!score->pass) {
 194                 /* Skip any tests which depend on this one. */
 195                 dgraph_traverse_from(&i->node, skip_node, "dependency failed");
 196         }
 197         dgraph_clear_node(&i->node);
 198
 199 out:
 200         /* FIXME: Free score. */
 201         run->pass &= score->pass;
 202         i->done = true;
 203
 204         if (!score->pass && i->compulsory) {
 205                 warnx("%s%s failed", run->prefix, i->name);
 206                 run->score = 0;
 207                 return false;
 208         }
 209         return true;
 210 }
 211
 212 static void register_test(struct ccanlint *test)
 213 {
 214         if (!strmap_add(&tests, test->key, test))
 215                 err(1, "Adding test %s", test->key);
 216         test->options = talloc_array(NULL, char *, 1);
 217         test->options[0] = NULL;
 218         dgraph_init_node(&test->node);
 219         dgraph_add_edge(&test->node, &all);
 220         test->done = false;
 221 }
 222
 223 static bool get_test(const char *member, struct ccanlint *i,
 224                      struct ccanlint **ret)
 225 {
 226         if (tlist_empty(&i->node.edge[DGRAPH_TO])) {
 227                 *ret = i;
 228                 return false;
 229         }
 230         return true;
 231 }
 232
 233 /**
 234  * get_next_test - retrieves the next test to be processed
 235  **/
 236 static inline struct ccanlint *get_next_test(void)
 237 {
 238         struct ccanlint *i = NULL;
 239
 240         strmap_iterate(&tests, get_test, &i);
 241         if (i)
 242                 return i;
 243
 244         if (strmap_empty(&tests))
 245                 return NULL;
 246
 247         errx(1, "Can't make process; test dependency cycle");
 248 }
 249
 250 static struct ccanlint *find_test(const char *key)
 251 {
 252         return strmap_get(&tests, key);
 253 }
 254
 255 bool is_excluded(const char *name)
 256 {
 257         return btree_lookup(cmdline_exclude, name) != NULL
 258                 || btree_lookup(info_exclude, name) != NULL
 259                 || find_test(name)->skip != NULL;
 260 }
 261
 262 static bool reset_deps(const char *member, struct ccanlint *c, void *unused)
 263 {
 264         char **deps = strsplit(NULL, c->needs, " ");
 265         unsigned int i;
 266
 267         c->skip = NULL;
 268         c->skip_fail = false;
 269         for (i = 0; deps[i]; i++) {
 270                 struct ccanlint *dep;
 271
 272                 dep = find_test(deps[i]);
 273                 if (!dep)
 274                         errx(1, "BUG: unknown dep '%s' for %s",
 275                              deps[i], c->key);
 276                 dgraph_add_edge(&dep->node, &c->node);
 277         }
 278         talloc_free(deps);
 279         return true;
 280 }
 281
 282 static bool check_names(const char *member, struct ccanlint *c,
 283                         struct ccanlint_map *names)
 284 {
 285         if (!strmap_add(names, c->name, c))
 286                 err(1, "Duplicate name %s", c->name);
 287         return true;
 288 }
 289
 290 #undef REGISTER_TEST
 291 #define REGISTER_TEST(name, ...) extern struct ccanlint name
 292 #include "generated-testlist"
 293
 294 static void init_tests(void)
 295 {
 296         struct ccanlint_map names;
 297
 298         /* This is the default target. */
 299         dgraph_init_node(&all);
 300
 301         strmap_init(&tests);
 302
 303 #undef REGISTER_TEST
 304 #define REGISTER_TEST(name) register_test(&name)
 305 #include "generated-testlist"
 306
 307         strmap_iterate(&tests, reset_deps, NULL);
 308
 309         /* Check for duplicate names. */
 310         strmap_init(&names);
 311         strmap_iterate(&tests, check_names, &names);
 312         strmap_clear(&names);
 313 }
 314
 315 static bool print_deps(const char *member, struct ccanlint *c, void *unused)
 316 {
 317         if (!tlist_empty(&c->node.edge[DGRAPH_FROM])) {
 318                 struct dgraph_edge *e;
 319
 320                 printf("These depend on %s:\n", c->key);
 321                 dgraph_for_each_edge(&c->node, e, DGRAPH_FROM) {
 322                         struct ccanlint *to = container_of(e->n[DGRAPH_TO],
 323                                                            struct ccanlint,
 324                                                            node);
 325                         printf("\t%s\n", to->key);
 326                 }
 327         }
 328         return true;
 329 }
 330
 331 static void print_test_depends(void)
 332 {
 333         printf("Tests:\n");
 334
 335         strmap_iterate(&tests, print_deps, NULL);
 336 }
 337
 338
 339 static int show_tmpdir(const char *dir)
 340 {
 341         printf("You can find ccanlint working files in '%s'\n", dir);
 342         return 0;
 343 }
 344
 345 static bool keep_one_test(const char *member, struct ccanlint *c, void *unused)
 346 {
 347         c->keep_results = true;
 348         return true;
 349 }
 350
 351 static char *keep_test(const char *testname, void *unused)
 352 {
 353         if (streq(testname, "all")) {
 354                 strmap_iterate(&tests, keep_one_test, NULL);
 355         } else {
 356                 struct ccanlint *i = find_test(testname);
 357                 if (!i)
 358                         errx(1, "No test %s to --keep", testname);
 359                 keep_one_test(testname, i, NULL);
 360         }
 361
 362         /* Don't automatically destroy temporary dir. */
 363         talloc_set_destructor(temp_dir(NULL), show_tmpdir);
 364         return NULL;
 365 }
 366
 367 static char *skip_test(const char *testname, void *unused)
 368 {
 369         btree_insert(cmdline_exclude, testname);
 370         return NULL;
 371 }
 372
 373 static char *list_tests(void *arg)
 374 {
 375         struct ccanlint *i;
 376
 377         printf("Tests:\n");
 378         /* This makes them print in topological order. */
 379         while ((i = get_next_test()) != NULL) {
 380                 printf("   %-25s %s\n", i->key, i->name);
 381                 dgraph_clear_node(&i->node);
 382                 strmap_del(&tests, i->key, NULL);
 383         }
 384         exit(0);
 385 }
 386
 387 static bool draw_test(const char *member, struct ccanlint *c, const char *style)
 388 {
 389         /*
 390          * todo: escape labels in case ccanlint test keys have
 391          *       characters interpreted as GraphViz syntax.
 392          */
 393         printf("\t\"%p\" [label=\"%s\"%s]\n", c, c->key, style);
 394         return true;
 395 }
 396
 397 static void test_dgraph_vertices(const char *style)
 398 {
 399         strmap_iterate(&tests, draw_test, style);
 400 }
 401
 402 static bool draw_edges(const char *member, struct ccanlint *c, void *unused)
 403 {
 404         struct dgraph_edge *e;
 405
 406         dgraph_for_each_edge(&c->node, e, DGRAPH_FROM) {
 407                 struct ccanlint *to = container_of(e->n[DGRAPH_TO],
 408                                                    struct ccanlint,
 409                                                    node);
 410                 printf("\t\"%p\" -> \"%p\"\n", c->name, to->name);
 411         }
 412         return true;
 413 }
 414
 415 static void test_dgraph_edges(void)
 416 {
 417         strmap_iterate(&tests, draw_edges, NULL);
 418 }
 419
 420 static char *test_dependency_graph(void *arg)
 421 {
 422         puts("digraph G {");
 423
 424         test_dgraph_vertices("");
 425         test_dgraph_edges();
 426
 427         puts("}");
 428
 429         exit(0);
 430 }
 431
 432 /* Remove empty lines. */
 433 static char **collapse(char **lines, unsigned int *nump)
 434 {
 435         unsigned int i, j;
 436         for (i = j = 0; lines[i]; i++) {
 437                 if (lines[i][0])
 438                         lines[j++] = lines[i];
 439         }
 440         lines[j] = NULL;
 441         if (nump)
 442                 *nump = j;
 443         return lines;
 444 }
 445
 446
 447 static void add_options(struct ccanlint *test, char **options,
 448                         unsigned int num_options)
 449 {
 450         unsigned int num;
 451
 452         if (!test->options)
 453                 num = 0;
 454         else
 455                 /* -1, because last one is NULL. */
 456                 num = talloc_array_length(test->options) - 1;
 457
 458         test->options = talloc_realloc(NULL, test->options,
 459                                        char *,
 460                                        num + num_options + 1);
 461         memcpy(&test->options[num], options, (num_options + 1)*sizeof(char *));
 462 }
 463
 464 void add_info_options(struct ccan_file *info)
 465 {
 466         struct doc_section *d;
 467         unsigned int i;
 468         struct ccanlint *test;
 469
 470         list_for_each(get_ccan_file_docs(info), d, list) {
 471                 if (!streq(d->type, "ccanlint"))
 472                         continue;
 473
 474                 for (i = 0; i < d->num_lines; i++) {
 475                         unsigned int num_words;
 476                         char **words = collapse(strsplit(d, d->lines[i], " \t"),
 477                                                 &num_words);
 478                         if (num_words == 0)
 479                                 continue;
 480
 481                         if (strncmp(words[0], "//", 2) == 0)
 482                                 continue;
 483
 484                         test = find_test(words[0]);
 485                         if (!test) {
 486                                 warnx("%s: unknown ccanlint test '%s'",
 487                                       info->fullname, words[0]);
 488                                 continue;
 489                         }
 490
 491                         if (!words[1]) {
 492                                 warnx("%s: no argument to test '%s'",
 493                                       info->fullname, words[0]);
 494                                 continue;
 495                         }
 496
 497                         /* Known failure? */
 498                         if (strcasecmp(words[1], "FAIL") == 0) {
 499                                 if (!targeting)
 500                                         btree_insert(info_exclude, words[0]);
 501                         } else {
 502                                 if (!test->takes_options)
 503                                         warnx("%s: %s doesn't take options",
 504                                               info->fullname, words[0]);
 505                                 add_options(test, words+1, num_words-1);
 506                         }
 507                 }
 508         }
 509 }
 510
 511 /* If options are of form "filename:<option>" they only apply to that file */
 512 char **per_file_options(const struct ccanlint *test, struct ccan_file *f)
 513 {
 514         char **ret;
 515         unsigned int i, j = 0;
 516
 517         /* Fast path. */
 518         if (!test->options[0])
 519                 return test->options;
 520
 521         ret = talloc_array(f, char *, talloc_array_length(test->options));
 522         for (i = 0; test->options[i]; i++) {
 523                 char *optname;
 524
 525                 if (!test->options[i] || !strchr(test->options[i], ':')) {
 526                         optname = test->options[i];
 527                 } else if (strstarts(test->options[i], f->name)
 528                            && test->options[i][strlen(f->name)] == ':') {
 529                         optname = test->options[i] + strlen(f->name) + 1;
 530                 } else
 531                         continue;
 532
 533                 /* FAIL overrides anything else. */
 534                 if (streq(optname, "FAIL")) {
 535                         ret = talloc_array(f, char *, 2);
 536                         ret[0] = (char *)"FAIL";
 537                         ret[1] = NULL;
 538                         return ret;
 539                 }
 540                 ret[j++] = optname;
 541         }
 542         ret[j] = NULL;
 543
 544         /* Shrink it to size so talloc_array_length() works as expected. */
 545         return talloc_realloc(NULL, ret, char *, j + 1);
 546 }
 547
 548 static char *demangle_string(char *string)
 549 {
 550         unsigned int i;
 551         const char mapfrom[] = "abfnrtv";
 552         const char mapto[] = "\a\b\f\n\r\t\v";
 553
 554         if (!strchr(string, '"'))
 555                 return NULL;
 556         string = strchr(string, '"') + 1;
 557         if (!strrchr(string, '"'))
 558                 return NULL;
 559         *strrchr(string, '"') = '\0';
 560
 561         for (i = 0; i < strlen(string); i++) {
 562                 if (string[i] == '\\') {
 563                         char repl;
 564                         unsigned len = 0;
 565                         const char *p = strchr(mapfrom, string[i+1]);
 566                         if (p) {
 567                                 repl = mapto[p - mapfrom];
 568                                 len = 1;
 569                         } else if (strlen(string+i+1) >= 3) {
 570                                 if (string[i+1] == 'x') {
 571                                         repl = (string[i+2]-'0')*16
 572                                                 + string[i+3]-'0';
 573                                         len = 3;
 574                                 } else if (cisdigit(string[i+1])) {
 575                                         repl = (string[i+2]-'0')*8*8
 576                                                 + (string[i+3]-'0')*8
 577                                                 + (string[i+4]-'0');
 578                                         len = 3;
 579                                 }
 580                         }
 581                         if (len == 0) {
 582                                 repl = string[i+1];
 583                                 len = 1;
 584                         }
 585
 586                         string[i] = repl;
 587                         memmove(string + i + 1, string + i + len + 1,
 588                                 strlen(string + i + len + 1) + 1);
 589                 }
 590         }
 591
 592         return string;
 593 }
 594
 595
 596 static void read_config_header(void)
 597 {
 598         char *fname = talloc_asprintf(NULL, "%s/config.h", ccan_dir);
 599         char **lines;
 600         unsigned int i;
 601
 602         config_header = grab_file(NULL, fname, NULL);
 603         if (!config_header) {
 604                 talloc_free(fname);
 605                 return;
 606         }
 607
 608         lines = strsplit(config_header, config_header, "\n");
 609         for (i = 0; i < talloc_array_length(lines) - 1; i++) {
 610                 char *sym;
 611                 const char **line = (const char **)&lines[i];
 612
 613                 if (!get_token(line, "#"))
 614                         continue;
 615                 if (!get_token(line, "define"))
 616                         continue;
 617                 sym = get_symbol_token(lines, line);
 618                 if (streq(sym, "CCAN_COMPILER") && !compiler) {
 619                         compiler = demangle_string(lines[i]);
 620                         if (!compiler)
 621                                 errx(1, "%s:%u:could not parse CCAN_COMPILER",
 622                                      fname, i+1);
 623                         if (verbose > 1)
 624                                 printf("%s: compiler set to '%s'\n",
 625                                        fname, compiler);
 626                 } else if (streq(sym, "CCAN_CFLAGS") && !cflags) {
 627                         cflags = demangle_string(lines[i]);
 628                         if (!cflags)
 629                                 errx(1, "%s:%u:could not parse CCAN_CFLAGS",
 630                                      fname, i+1);
 631                         if (verbose > 1)
 632                                 printf("%s: compiler flags set to '%s'\n",
 633                                        fname, cflags);
 634                 }
 635         }
 636         if (!compiler)
 637                 compiler = CCAN_COMPILER;
 638         if (!cflags)
 639                 compiler = CCAN_CFLAGS;
 640 }
 641
 642 static char *opt_set_const_charp(const char *arg, const char **p)
 643 {
 644         return opt_set_charp(arg, cast_const2(char **, p));
 645 }
 646
 647 static char *opt_set_target(const char *arg, struct ccanlint **t)
 648 {
 649         *t = find_test(arg);
 650         if (!*t)
 651                 return talloc_asprintf(NULL, "unknown --target %s", arg);
 652         return NULL;
 653 }
 654
 655 static bool run_tests(struct ccanlint *target,
 656                       bool summary,
 657                       struct manifest *m,
 658                       const char *prefix)
 659 {
 660         struct run_info run;
 661
 662         run.quiet = summary;
 663         run.m = m;
 664         run.prefix = prefix;
 665         run.score = run.total = 0;
 666         run.pass = true;
 667
 668         if (target) {
 669                 dgraph_traverse_to(&target->node, run_test, &run);
 670                 if (run.pass)
 671                         run_test(&target->node, &run);
 672         } else
 673                 dgraph_traverse_to(&all, run_test, &run);
 674
 675         printf("%sTotal score: %u/%u\n",
 676                prefix, run.score, run.total);
 677
 678         return run.pass;
 679 }
 680
 681 int main(int argc, char *argv[])
 682 {
 683         bool summary = false, pass = true;
 684         unsigned int i;
 685         struct manifest *m;
 686         struct ccanlint *target = NULL;
 687         const char *prefix = "";
 688         char *dir = talloc_getcwd(NULL), *base_dir = dir, *testlink;
 689
 690         cmdline_exclude = btree_new(btree_strcmp);
 691         info_exclude = btree_new(btree_strcmp);
 692
 693         opt_register_early_noarg("--verbose|-v", opt_inc_intval, &verbose,
 694                                  "verbose mode (up to -vvvv)");
 695         opt_register_noarg("-n|--safe-mode", opt_set_bool, &safe_mode,
 696                          "do not compile anything");
 697         opt_register_noarg("-l|--list-tests", list_tests, NULL,
 698                          "list tests ccanlint performs (and exit)");
 699         opt_register_noarg("--test-dep-graph", test_dependency_graph, NULL,
 700                          "print dependency graph of tests in Graphviz .dot format");
 701         opt_register_arg("-k|--keep <testname>", keep_test, NULL, NULL,
 702                          "keep results of <testname>"
 703                          " (can be used multiple times, or 'all')");
 704         opt_register_noarg("--summary|-s", opt_set_bool, &summary,
 705                            "simply give one line summary");
 706         opt_register_arg("-x|--exclude <testname>", skip_test, NULL, NULL,
 707                          "exclude <testname> (can be used multiple times)");
 708         opt_register_arg("-t|--timeout <milleseconds>", opt_set_uintval,
 709                          NULL, &timeout,
 710                          "ignore (terminate) tests that are slower than this");
 711         opt_register_arg("--target <testname>", opt_set_target,
 712                          NULL, &target,
 713                          "only run one test (and its prerequisites)");
 714         opt_register_arg("--compiler <compiler>", opt_set_const_charp,
 715                          NULL, &compiler, "set the compiler");
 716         opt_register_arg("--cflags <flags>", opt_set_const_charp,
 717                          NULL, &cflags, "set the compiler flags");
 718         opt_register_noarg("-?|-h|--help", opt_usage_and_exit,
 719                            "\nA program for checking and guiding development"
 720                            " of CCAN modules.",
 721                            "This usage message");
 722
 723         /* Do verbose before anything else... */
 724         opt_early_parse(argc, argv, opt_log_stderr_exit);
 725
 726         /* We move into temporary directory, so gcov dumps its files there. */
 727         if (chdir(temp_dir(talloc_autofree_context())) != 0)
 728                 err(1, "Error changing to %s temporary dir", temp_dir(NULL));
 729
 730         init_tests();
 731
 732         if (verbose >= 3) {
 733                 compile_verbose = true;
 734                 print_test_depends();
 735         }
 736         if (verbose >= 4)
 737                 tools_verbose = true;
 738
 739         opt_parse(&argc, argv, opt_log_stderr_exit);
 740
 741         /* This links back to the module's test dir. */
 742         testlink = talloc_asprintf(NULL, "%s/test", temp_dir(NULL));
 743
 744         /* Defaults to pwd. */
 745         if (argc == 1) {
 746                 i = 1;
 747                 goto got_dir;
 748         }
 749
 750         for (i = 1; i < argc; i++) {
 751                 unsigned int score, total_score;
 752
 753                 dir = argv[i];
 754
 755                 if (dir[0] != '/')
 756                         dir = talloc_asprintf_append(NULL, "%s/%s",
 757                                                      base_dir, dir);
 758                 while (strends(dir, "/"))
 759                         dir[strlen(dir)-1] = '\0';
 760
 761         got_dir:
 762                 if (dir != base_dir)
 763                         prefix = talloc_append_string(talloc_basename(NULL,dir),
 764                                                       ": ");
 765
 766                 init_tests();
 767
 768                 m = get_manifest(talloc_autofree_context(), dir);
 769
 770                 /* FIXME: This has to come after we've got manifest. */
 771                 if (i == 1)
 772                         read_config_header();
 773
 774                 /* Create a symlink from temp dir back to src dir's
 775                  * test directory. */
 776                 unlink(testlink);
 777                 if (symlink(talloc_asprintf(m, "%s/test", dir), testlink) != 0)
 778                         err(1, "Creating test symlink in %s", temp_dir(NULL));
 779
 780                 score = total_score = 0;
 781                 if (!run_tests(target, summary, m, prefix))
 782                         pass = false;
 783         }
 784         return pass ? 0 : 1;
 785 }