C++

ends_with.cc

#include <cassert>

/*!
 * \brief True if the first string ends with the second string.
 * \param ends String with some required ending for which to test.
 * \param with Ending to test the first string against.
 */
bool ends_with(const std::string &ends, const std::string &with) {
  return ends.length() >= with.length() &&
         ends.compare(ends.length() - with.length(), with.length(), with) == 0;
}

int ends_with_test(int argc, char **argv) {
  assert(ends_with("abc", "c"));
  assert(ends_with("abc", ""));
  assert(!ends_with("abc", "z"));
  assert(ends_with("a.bmp", ".bmp"));
  return EXIT_SUCCESS;
}