diff options
Diffstat (limited to 'ext/mbstring/oniguruma/regparse.h')
| -rw-r--r-- | ext/mbstring/oniguruma/regparse.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/ext/mbstring/oniguruma/regparse.h b/ext/mbstring/oniguruma/regparse.h index 0c5c2c936c..bcab03ed58 100644 --- a/ext/mbstring/oniguruma/regparse.h +++ b/ext/mbstring/oniguruma/regparse.h @@ -348,4 +348,16 @@ extern int onig_print_names(FILE*, regex_t*); #endif #endif +#if (defined (__GNUC__) && __GNUC__ > 2 ) && !defined(DARWIN) && !defined(__hpux) && !defined(_AIX) +# define UNEXPECTED(condition) __builtin_expect(condition, 0) +#else +# define UNEXPECTED(condition) (condition) +#endif + +#define SAFE_ENC_LEN(enc, p, end, res) do { \ + int __res = enclen(enc, p); \ + if (UNEXPECTED(p + __res > end)) __res = end - p; \ + res = __res; \ +} while(0); + #endif /* REGPARSE_H */ |