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

   1 #include <tools/ccanlint/ccanlint.h>
   2 #include <tools/tools.h>
   3 #include <ccan/talloc/talloc.h>
   4 #include <ccan/str/str.h>
   5 #include <sys/types.h>
   6 #include <sys/stat.h>
   7 #include <fcntl.h>
   8 #include <unistd.h>
   9 #include <limits.h>
  10 #include <errno.h>
  11 #include <stdlib.h>
  12 #include <stdio.h>
  13 #include <err.h>
  14 #include <string.h>
  15 #include <ctype.h>
  16
  17 static const char *can_build(struct manifest *m)
  18 {
  19         if (safe_mode)
  20                 return "Safe mode enabled";
  21         return NULL;
  22 }
  23
  24 /* FIXME: recursive ccanlint if they ask for it. */
  25 static bool expect_obj_file(const char *dir)
  26 {
  27         struct manifest *dep_man;
  28         bool has_c_files;
  29
  30         dep_man = get_manifest(dir, dir);
  31
  32         /* If it has C files, we expect an object file built from them. */
  33         has_c_files = !list_empty(&dep_man->c_files);
  34         talloc_free(dep_man);
  35         return has_c_files;
  36 }
  37
  38 static void *check_depends_built(struct manifest *m)
  39 {
  40         struct ccan_file *i;
  41         struct stat st;
  42         char *report = NULL;
  43
  44         list_for_each(&m->dep_dirs, i, list) {
  45                 char *objfile;
  46
  47                 if (!expect_obj_file(i->fullname))
  48                         continue;
  49
  50                 objfile = talloc_asprintf(m, "%s.o", i->fullname);
  51                 if (stat(objfile, &st) != 0) {
  52                         report = talloc_asprintf_append(report,
  53                                                         "object file %s\n",
  54                                                         objfile);
  55                 } else {
  56                         struct ccan_file *f = new_ccan_file(m, "", objfile);
  57                         list_add_tail(&m->dep_objs, &f->list);
  58                 }
  59
  60         }
  61
  62         /* We may need libtap for testing, unless we're "tap" */
  63         if (!streq(m->basename, "tap")
  64             && (!list_empty(&m->run_tests) || !list_empty(&m->api_tests))) {
  65                 char *tapobj = talloc_asprintf(m, "%s/ccan/tap.o", ccan_dir);
  66                 if (stat(tapobj, &st) != 0) {
  67                         report = talloc_asprintf_append(report,
  68                                                         "object file %s"
  69                                                         " (for tests)\n",
  70                                                         tapobj);
  71                 }
  72         }
  73
  74         return talloc_steal(m, report);
  75 }
  76
  77 static const char *describe_depends_built(struct manifest *m,
  78                                           void *check_result)
  79 {
  80         return talloc_asprintf(check_result,
  81                                "The following dependencies are not built:\n"
  82                                "%s", (char *)check_result);
  83 }
  84
  85 struct ccanlint depends_built = {
  86         .key = "depends-built",
  87         .name = "Module's CCAN dependencies are already built",
  88         .total_score = 1,
  89         .check = check_depends_built,
  90         .describe = describe_depends_built,
  91         .can_run = can_build,
  92 };
  93
  94 REGISTER_TEST(depends_built, &depends_exist, NULL);