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

   1 #include <tools/ccanlint/ccanlint.h>
   2 #include <tools/tools.h>
   3 #include <ccan/talloc/talloc.h>
   4 #include <ccan/grab_file/grab_file.h>
   5 #include <ccan/str/str.h>
   6 #include <sys/types.h>
   7 #include <sys/stat.h>
   8 #include <fcntl.h>
   9 #include <unistd.h>
  10 #include <limits.h>
  11 #include <errno.h>
  12 #include <stdlib.h>
  13 #include <stdio.h>
  14 #include <err.h>
  15 #include <string.h>
  16 #include <ctype.h>
  17
  18 static const char *can_build(struct manifest *m)
  19 {
  20         if (safe_mode)
  21                 return "Safe mode enabled";
  22         return NULL;
  23 }
  24
  25 static struct ccan_file *main_header(struct manifest *m)
  26 {
  27         struct ccan_file *f;
  28
  29         list_for_each(&m->h_files, f, list) {
  30                 if (strstarts(f->name, m->basename)
  31                     && strlen(f->name) == strlen(m->basename) + 2)
  32                         return f;
  33         }
  34         /* Should not happen: we depend on has_main_header */
  35         abort();
  36 }
  37
  38 static void check_includes_build(struct manifest *m,
  39                                  unsigned int *timeleft, struct score *score)
  40 {
  41         char *contents;
  42         char *tmpsrc, *tmpobj, *cmdout;
  43         int fd;
  44         struct ccan_file *mainh = main_header(m);
  45
  46         tmpsrc = temp_file(m, "-included.c", mainh->fullname);
  47         tmpobj = temp_file(m, ".o", tmpsrc);
  48
  49         fd = open(tmpsrc, O_WRONLY | O_CREAT | O_EXCL, 0600);
  50         if (fd < 0)
  51                 err(1, "Creating temporary file %s", tmpsrc);
  52
  53         contents = talloc_asprintf(tmpsrc, "#include <ccan/%s/%s.h>\n",
  54                                    m->basename, m->basename);
  55         if (write(fd, contents, strlen(contents)) != strlen(contents))
  56                 err(1, "writing to temporary file %s", tmpsrc);
  57         close(fd);
  58
  59         if (compile_object(score, tmpsrc, ccan_dir, compiler, cflags,
  60                            tmpobj, &cmdout)) {
  61                 score->pass = true;
  62                 score->score = score->total;
  63         } else {
  64                 score->error = talloc_asprintf(score,
  65                                        "#include of the main header file:\n%s",
  66                                        cmdout);
  67         }
  68 }
  69
  70 struct ccanlint main_header_compiles = {
  71         .key = "main_header_compiles",
  72         .name = "Modules main header compiles",
  73         .check = check_includes_build,
  74         .can_run = can_build,
  75         .needs = "depends_exist main_header_exists"
  76 };
  77
  78 REGISTER_TEST(main_header_compiles);