git.ozlabs.org Git - ccan/blob - tools/ccanlint/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         char *olddir;
  28         struct manifest *dep_man;
  29         bool has_c_files;
  30
  31         olddir = talloc_getcwd(dir);
  32         if (!olddir)
  33                 err(1, "Getting current directory");
  34
  35         /* We will fail below if this doesn't exist. */
  36         if (chdir(dir) != 0)
  37                 return false;
  38
  39         dep_man = get_manifest(dir);
  40         if (chdir(olddir) != 0)
  41                 err(1, "Returning to original directory '%s'", olddir);
  42         talloc_free(olddir);
  43
  44         /* If it has C files, we expect an object file built from them. */
  45         has_c_files = !list_empty(&dep_man->c_files);
  46         talloc_free(dep_man);
  47         return has_c_files;
  48 }
  49
  50 static void *check_depends_built(struct manifest *m)
  51 {
  52         struct ccan_file *i;
  53         char *report = NULL;
  54
  55         list_for_each(&m->dep_dirs, i, list) {
  56                 char *objfile;
  57                 struct stat st;
  58
  59                 if (!expect_obj_file(i->name))
  60                         continue;
  61
  62                 objfile = talloc_asprintf(m, "%s.o", i->name);
  63                 if (stat(objfile, &st) != 0) {
  64                         report = talloc_asprintf_append(report,
  65                                                         "object file %s\n",
  66                                                         objfile);
  67                 } else {
  68                         struct ccan_file *f = new_ccan_file(m, objfile);
  69                         list_add_tail(&m->dep_objs, &f->list);
  70                 }
  71
  72         }
  73         return talloc_steal(m, report);
  74 }
  75
  76 static const char *describe_depends_built(struct manifest *m,
  77                                           void *check_result)
  78 {
  79         return talloc_asprintf(check_result,
  80                                "The following dependencies are not built:\n"
  81                                "%s", (char *)check_result);
  82 }
  83
  84 struct ccanlint depends_built = {
  85         .name = "CCAN dependencies are built",
  86         .total_score = 1,
  87         .check = check_depends_built,
  88         .describe = describe_depends_built,
  89         .can_run = can_build,
  90 };
  91
  92 REGISTER_TEST(depends_built, &depends_exist, NULL);