diff options
Diffstat (limited to 'posix/regex.h')
| -rw-r--r-- | posix/regex.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/posix/regex.h b/posix/regex.h index 91a3560678..63c2fef696 100644 --- a/posix/regex.h +++ b/posix/regex.h @@ -160,6 +160,11 @@ typedef unsigned long int reg_syntax_t; this bit set, and it won't affect anything in the normal case. */ #define RE_DEBUG (RE_NO_GNU_OPS << 1) +/* If this bit is set, a syntactically invalid interval is treated as + a string of ordinary characters. For example, the ERE 'a{1' is + treated as 'a\{1'. */ +#define RE_INVALID_INTERVAL_ORD (RE_DEBUG << 1) + /* This global variable defines the particular regexp syntax to use (for some interfaces). When a regexp is compiled, the syntax used is stored in the pattern buffer, so changing this does not affect @@ -199,7 +204,8 @@ extern reg_syntax_t re_syntax_options; | RE_NO_BK_VBAR) #define RE_SYNTAX_POSIX_EGREP \ - (RE_SYNTAX_EGREP | RE_INTERVALS | RE_NO_BK_BRACES) + (RE_SYNTAX_EGREP | RE_INTERVALS | RE_NO_BK_BRACES \ + | RE_INVALID_INTERVAL_ORD) /* P1003.2/D11.2, section 4.20.7.1, lines 5078ff. */ #define RE_SYNTAX_ED RE_SYNTAX_POSIX_BASIC |