From 74cca641557196512468fafe77d22bfea4f243ea Mon Sep 17 00:00:00 2001 From: Alexander Barkov Date: Mon, 3 Feb 2014 08:54:12 +0400 Subject: Upgrading the bundled PCRE to 8.34 --- pcre/pcre_maketables.c | 27 ++++++++++++++++----------- 1 file changed, 16 insertions(+), 11 deletions(-) (limited to 'pcre/pcre_maketables.c') diff --git a/pcre/pcre_maketables.c b/pcre/pcre_maketables.c index 610a669586b..a44a6eaa905 100644 --- a/pcre/pcre_maketables.c +++ b/pcre/pcre_maketables.c @@ -98,13 +98,17 @@ for (i = 0; i < 256; i++) *p++ = tolower(i); for (i = 0; i < 256; i++) *p++ = islower(i)? toupper(i) : tolower(i); /* Then the character class tables. Don't try to be clever and save effort on -exclusive ones - in some locales things may be different. Note that the table -for "space" includes everything "isspace" gives, including VT in the default -locale. This makes it work for the POSIX class [:space:]. Note also that it is -possible for a character to be alnum or alpha without being lower or upper, -such as "male and female ordinals" (\xAA and \xBA) in the fr_FR locale (at -least under Debian Linux's locales as of 12/2005). So we must test for alnum -specially. */ +exclusive ones - in some locales things may be different. + +Note that the table for "space" includes everything "isspace" gives, including +VT in the default locale. This makes it work for the POSIX class [:space:]. +From release 8.34 is is also correct for Perl space, because Perl added VT at +release 5.18. + +Note also that it is possible for a character to be alnum or alpha without +being lower or upper, such as "male and female ordinals" (\xAA and \xBA) in the +fr_FR locale (at least under Debian Linux's locales as of 12/2005). So we must +test for alnum specially. */ memset(p, 0, cbit_length); for (i = 0; i < 256; i++) @@ -123,14 +127,15 @@ for (i = 0; i < 256; i++) } p += cbit_length; -/* Finally, the character type table. In this, we exclude VT from the white -space chars, because Perl doesn't recognize it as such for \s and for comments -within regexes. */ +/* Finally, the character type table. In this, we used to exclude VT from the +white space chars, because Perl didn't recognize it as such for \s and for +comments within regexes. However, Perl changed at release 5.18, so PCRE changed +at release 8.34. */ for (i = 0; i < 256; i++) { int x = 0; - if (i != CHAR_VT && isspace(i)) x += ctype_space; + if (isspace(i)) x += ctype_space; if (isalpha(i)) x += ctype_letter; if (isdigit(i)) x += ctype_digit; if (isxdigit(i)) x += ctype_xdigit; -- cgit v1.2.1