git.ozlabs.org Git - ccan/blob - tools/ccanlint/tests/check_includes_build.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 int cleanup_testfile(char *testfile)
  26 {
  27         unlink(testfile);
  28         return 0;
  29 }
  30
  31 static void *check_includes_build(struct manifest *m)
  32 {
  33         char *contents;
  34         char *tmpfile, *objfile;
  35         int fd;
  36
  37         tmpfile = talloc_strdup(m, tempnam("/tmp", "ccanlint"));
  38         talloc_set_destructor(tmpfile, cleanup_testfile);
  39         objfile = talloc_strdup(m, tempnam("/tmp", "ccanlint"));
  40         talloc_set_destructor(objfile, cleanup_testfile);
  41
  42         fd = open(tmpfile, O_WRONLY | O_CREAT | O_EXCL, 0600);
  43         if (fd < 0)
  44                 return talloc_asprintf(m, "Creating temporary file: %s",
  45                                        strerror(errno));
  46
  47         contents = talloc_asprintf(tmpfile, "#include <ccan/%s/%s.h>\n",
  48                                    m->basename, m->basename);
  49         if (write(fd, contents, strlen(contents)) != strlen(contents)) {
  50                 close(fd);
  51                 return "Failure writing to temporary file";
  52         }
  53         close(fd);
  54
  55         return run_command(m, "cc " CFLAGS " -o %s -c -x c %s",
  56                            objfile, tmpfile);
  57 }
  58
  59 static const char *describe_includes_build(struct manifest *m,
  60                                            void *check_result)
  61 {
  62         return talloc_asprintf(check_result,
  63                                "#include of the main header file:\n"
  64                                "%s", (char *)check_result);
  65 }
  66
  67 struct ccanlint includes_build = {
  68         .name = "Can compile against main header",
  69         .total_score = 1,
  70         .check = check_includes_build,
  71         .describe = describe_includes_build,
  72         .can_run = can_build,
  73 };
  74
  75 REGISTER_TEST(includes_build, &depends_exist, NULL);