Greg Hartman | 76d05dc | 2016-11-23 15:51:27 -0800 | [diff] [blame] | 1 | /* ----------------------------------------------------------------------- * |
| 2 | * |
| 3 | * Copyright 2008 H. Peter Anvin - All Rights Reserved |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, |
| 8 | * Boston MA 02110-1301, USA; either version 2 of the License, or |
| 9 | * (at your option) any later version; incorporated herein by reference. |
| 10 | * |
| 11 | * ----------------------------------------------------------------------- */ |
| 12 | |
| 13 | /* |
| 14 | * refstr.h |
| 15 | * |
| 16 | * Simple reference-counted strings |
| 17 | */ |
| 18 | |
| 19 | #ifndef REFSTR_H |
| 20 | #define REFSTR_H |
| 21 | |
| 22 | #include <stddef.h> |
| 23 | #include <stdarg.h> |
| 24 | |
| 25 | static inline __attribute__ ((always_inline)) |
| 26 | const char *refstr_get(const char *r) |
| 27 | { |
| 28 | if (r) |
| 29 | ((unsigned int *)r)[-1]++; |
| 30 | return r; |
| 31 | } |
| 32 | |
| 33 | void refstr_put(const char *); |
| 34 | char *refstr_alloc(size_t); |
| 35 | const char *refstrdup(const char *); |
| 36 | const char *refstrndup(const char *, size_t); |
| 37 | int rsprintf(const char **, const char *, ...); |
| 38 | int vrsprintf(const char **, const char *, va_list); |
| 39 | |
| 40 | #endif |