Function create_file

test/dirent/test_readdir.c:21–29

#define CHECK(cond) if (!(cond)) { printf("errno: %s\n", strerror(errno)); assert(cond); }

static void create_file(const char *path, const char *buffer, int mode) {
  int fd = open(path, O_WRONLY | O_CREAT | O_EXCL, mode);
  CHECK(fd >= 0);

  int err = write(fd, buffer, sizeof(char) * strlen(buffer));
  assert(err ==  (sizeof(char) * strlen(buffer)));

  close(fd);
}

void setup() {
  int err;