Function l_str2dloc

lib/lua/src/lobject.c:228–235

** Convert string 's' to a Lua number (put in 'result'). Return NULL on ** fail or the address of the ending '\0' on success. ('mode' == 'x') ** means a hexadecimal numeral. */

** means a hexadecimal numeral.
*/
static const char *l_str2dloc (const char *s, lua_Number *result, int mode) {
  char *endptr;
  *result = (mode == 'x') ? lua_strx2number(s, &endptr)  /* try to convert */
                          : lua_str2number(s, &endptr);
  if (endptr == s) return NULL;  /* nothing recognized? */
  while (lisspace(cast_uchar(*endptr))) endptr++;  /* skip trailing spaces */
  return (*endptr == '\0') ? endptr : NULL;  /* OK iff no trailing chars */
}


/*