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