- /* A temporary buffer for identifiers, so we can null-terminate them.
- We allocate this with xrealloc. parse_exp_1 used to allocate with
- alloca, using the size of the whole expression as a conservative
- estimate of the space needed. However, macro expansion can
- introduce names longer than the original expression; there's no
- practical way to know beforehand how large that might be. */
- static char *namecopy;
- static size_t namecopy_size;
-
- /* Make sure there's enough space for the token. */
- if (namecopy_size < token.length + 1)
- {
- namecopy_size = token.length + 1;
- namecopy = (char *) xrealloc (namecopy, token.length + 1);
- }
-
- memcpy (namecopy, token.ptr, token.length);
- namecopy[token.length] = 0;
-
- return namecopy;