/* * Copyright (c) 2019 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ #ifndef _ATOM_H #define _ATOM_H #ifdef __cplusplus extern "C" { #endif #define ATOM_NULL ((atom_t *)NULL) typedef const struct atom atom_t; atom_t *atom_get(const char *s); atom_t *atom_get_consume(char *s); unsigned atom_hash(atom_t *atom); #ifndef __cplusplus struct atom { char value[0]; }; static inline const char * atom_pretty(atom_t *atom, const char *nullstr) { return atom ? atom->value : nullstr; } #endif #ifdef __cplusplus } #endif #endif /* _ATOM_H */