字符串Hash 模板代码

unsigned long
 elf_hash(const unsigned char *name)
  {
      unsigned long       h = 0, g;

      while (*name) {
          h = (h << 4) + *name++;
          if (g = h & 0xf0000000)
              h ^= g >> 24;
          h &= ~g;
      }
      return h;
  }