Function LLVM_LIBC_FUNCTION

system/lib/llvm-libc/src/string/strstr.cpp:20–25

TODO: This is a simple brute force implementation. This can be improved upon using well known string matching algorithms.

// TODO: This is a simple brute force implementation. This can be
// improved upon using well known string matching algorithms.
LLVM_LIBC_FUNCTION(char *, strstr, (const char *haystack, const char *needle)) {
  auto comp = [](char l, char r) -> int { return l - r; };
  LIBC_CRASH_ON_NULLPTR(haystack);
  LIBC_CRASH_ON_NULLPTR(needle);
  return inline_strstr(haystack, needle, comp);
}

} // namespace LIBC_NAMESPACE_DECL