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