Function dlsym

tests/licensedcode/data/perf/udll.cxx:312–339

dlsym, prepend the underscore and call dlsymIntern */

/* dlsym, prepend the underscore and call dlsymIntern */
static void *dlsym(void *handle, const char *symbol)
{
  static char undersym[257];  /* Saves calls to malloc(3) */
  int sym_len = strlen(symbol);
  void *value = NULL;
  char *malloc_sym = NULL;

  if (sym_len < 256)
  {
    snprintf(undersym, 256, "_%s", symbol);
    value = dlsymIntern(handle, undersym);
  }
  else
  {
    malloc_sym = malloc(sym_len + 2);
    if (malloc_sym)
    {
      sprintf(malloc_sym, "_%s", symbol);
      value = dlsymIntern(handle, malloc_sym);
      free(malloc_sym);
    }
    else
    {
      error(0, "Unable to allocate memory");
    }
  }
  return value;
}

#else