Function write

test/os-test.cc:138–148

Attempts to write a string to a file.

// Attempts to write a string to a file.
void write(file& f, fmt::string_view s) {
  size_t num_chars_left = s.size();
  const char* ptr = s.data();
  do {
    size_t count = f.write(ptr, num_chars_left);
    ptr += count;
    // We can't write more than size_t bytes since num_chars_left
    // has type size_t.
    num_chars_left -= count;
  } while (num_chars_left != 0);
}

TEST(buffered_file_test, default_ctor) {
  auto f = buffered_file();