git.ozlabs.org Git - ccan/blob - tools/ccanlint/tests/module_links.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 static char *obj_list(const struct manifest *m)
  25 {
  26         char *list = talloc_strdup(m, "");
  27         struct manifest *i;
  28
  29         /* Other CCAN deps. */
  30         list_for_each(&m->deps, i, list) {
  31                 if (i->compiled[COMPILE_NORMAL])
  32                         list = talloc_asprintf_append(list, "%s ",
  33                                                       i->compiled
  34                                                       [COMPILE_NORMAL]);
  35         }
  36         return list;
  37 }
  38
  39 static char *lib_list(const struct manifest *m)
  40 {
  41         unsigned int i, num;
  42         char **libs = get_libs(m, ".",
  43                                &num, &m->info_file->compiled[COMPILE_NORMAL]);
  44         char *ret = talloc_strdup(m, "");
  45
  46         for (i = 0; i < num; i++)
  47                 ret = talloc_asprintf_append(ret, "-l%s ", libs[i]);
  48         return ret;
  49 }
  50
  51 static void check_use_build(struct manifest *m,
  52                             unsigned int *timeleft, struct score *score)
  53 {
  54         char *contents;
  55         char *tmpfile, *cmdout;
  56         char *basename = talloc_asprintf(m, "%s/example.c", m->dir);
  57         int fd;
  58
  59         tmpfile = temp_file(m, ".c", basename);
  60
  61         fd = open(tmpfile, O_WRONLY | O_CREAT | O_EXCL, 0600);
  62         if (fd < 0)
  63                 err(1, "Creating temporary file %s", tmpfile);
  64
  65         contents = talloc_asprintf(tmpfile,
  66                                    "#include <ccan/%s/%s.h>\n"
  67                                    "int main(void)\n"
  68                                    "{\n"
  69                                    "    return 0;\n"
  70                                    "}\n",
  71                                    m->basename, m->basename);
  72         if (write(fd, contents, strlen(contents)) != strlen(contents))
  73                 err(1, "Failure writing to temporary file %s", tmpfile);
  74         close(fd);
  75
  76         if (compile_and_link(score, tmpfile, ccan_dir, obj_list(m),
  77                              compiler, cflags, lib_list(m),
  78                              temp_file(m, "", tmpfile),
  79                              &cmdout)) {
  80                 score->pass = true;
  81                 score->score = score->total;
  82         } else {
  83                 score->error = cmdout;
  84         }
  85 }
  86
  87 struct ccanlint module_links = {
  88         .key = "module_links",
  89         .name = "Module can be linked against trivial program",
  90         .check = check_use_build,
  91         .can_run = can_build,
  92         .needs = "module_builds depends_build"
  93 };
  94
  95 REGISTER_TEST(module_links);