diff options
Diffstat (limited to 'pcre-8.38-Fix-negated-POSIX-class-within-negated-overall-class.patch')
| -rw-r--r-- | pcre-8.38-Fix-negated-POSIX-class-within-negated-overall-class.patch | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/pcre-8.38-Fix-negated-POSIX-class-within-negated-overall-class.patch b/pcre-8.38-Fix-negated-POSIX-class-within-negated-overall-class.patch new file mode 100644 index 0000000..65ccd00 --- /dev/null +++ b/pcre-8.38-Fix-negated-POSIX-class-within-negated-overall-class.patch @@ -0,0 +1,94 @@ +From ef6b10fcde41a2687f38d4a9ff2886b037948a1b Mon Sep 17 00:00:00 2001 +From: ph10 <ph10@2f5784b3-3f2a-0410-8824-cb99058d5e15> +Date: Fri, 27 Nov 2015 17:13:13 +0000 +Subject: [PATCH 1/5] Fix negated POSIX class within negated overall class UCP + bug. +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1612 2f5784b3-3f2a-0410-8824-cb99058d5e15 + +Petr Písař: Ported to 8.38. +diff --git a/pcre_compile.c b/pcre_compile.c +index 3360a8b..3670f1e 100644 +--- a/pcre_compile.c ++++ b/pcre_compile.c +@@ -5063,20 +5063,22 @@ for (;; ptr++) + ptr = tempptr + 1; + continue; + +- /* For the other POSIX classes (ascii, xdigit) we are going to fall +- through to the non-UCP case and build a bit map for characters with +- code points less than 256. If we are in a negated POSIX class +- within a non-negated overall class, characters with code points +- greater than 255 must all match. In the special case where we have +- not yet generated any xclass data, and this is the final item in +- the overall class, we need do nothing: later on, the opcode ++ /* For the other POSIX classes (ascii, cntrl, xdigit) we are going ++ to fall through to the non-UCP case and build a bit map for ++ characters with code points less than 256. If we are in a negated ++ POSIX class, characters with code points greater than 255 must ++ either all match or all not match. In the special case where we ++ have not yet generated any xclass data, and this is the final item ++ in the overall class, we need do nothing: later on, the opcode + OP_NCLASS will be used to indicate that characters greater than 255 + are acceptable. If we have already seen an xclass item or one may + follow (we have to assume that it might if this is not the end of +- the class), explicitly match all wide codepoints. */ ++ the class), explicitly list all wide codepoints, which will then ++ either not match or match, depending on whether the class is or is ++ not negated. */ + + default: +- if (!negate_class && local_negate && ++ if (local_negate && + (xclass || tempptr[2] != CHAR_RIGHT_SQUARE_BRACKET)) + { + *class_uchardata++ = XCL_RANGE; +diff --git a/testdata/testinput6 b/testdata/testinput6 +index aeb62a0..a178d3d 100644 +--- a/testdata/testinput6 ++++ b/testdata/testinput6 +@@ -1553,4 +1553,13 @@ + \x{200} + \x{37e} + ++/[^[:^ascii:]\d]/8W ++ a ++ ~ ++ 0 ++ \a ++ \x{7f} ++ \x{389} ++ \x{20ac} ++ + /-- End of testinput6 --/ +diff --git a/testdata/testoutput6 b/testdata/testoutput6 +index beb85aa..b64dc0d 100644 +--- a/testdata/testoutput6 ++++ b/testdata/testoutput6 +@@ -2557,4 +2557,20 @@ No match + \x{37e} + 0: \x{37e} + ++/[^[:^ascii:]\d]/8W ++ a ++ 0: a ++ ~ ++ 0: ~ ++ 0 ++No match ++ \a ++ 0: \x{07} ++ \x{7f} ++ 0: \x{7f} ++ \x{389} ++No match ++ \x{20ac} ++No match ++ + /-- End of testinput6 --/ +-- +2.4.3 + |