Implement PCRE2_NEWLINE_NUL.

git-svn-id: svn://vcs.exim.org/pcre2/code/trunk@806 6239d852-aaf2-0410-a92c-79f79f948069

8 files changed, 28 insertions, 18 deletions

diff --git a/doc/html/pcre2_config.html b/doc/html/pcre2_config.html
index 0edce66..7929d62 100644
--- a/doc/html/pcre2_config.html
+++ b/doc/html/pcre2_config.html
@@ -57,6 +57,7 @@ point to a uint32_t integer variable. The available codes are:
                                  PCRE2_NEWLINE_CRLF
                                  PCRE2_NEWLINE_ANY
                                  PCRE2_NEWLINE_ANYCRLF
+                                 PCRE2_NEWLINE_NUL 
   PCRE2_CONFIG_PARENSLIMIT     Default parentheses nesting limit
   PCRE2_CONFIG_RECURSIONLIMIT  Obsolete: use PCRE2_CONFIG_DEPTHLIMIT
   PCRE2_CONFIG_STACKRECURSE    Obsolete: always returns 0
diff --git a/doc/html/pcre2_pattern_info.html b/doc/html/pcre2_pattern_info.html
index f59e999..d07f9ed 100644
--- a/doc/html/pcre2_pattern_info.html
+++ b/doc/html/pcre2_pattern_info.html
@@ -71,6 +71,7 @@ request are as follows:
                                PCRE2_NEWLINE_CRLF
                                PCRE2_NEWLINE_ANY
                                PCRE2_NEWLINE_ANYCRLF
+                               PCRE2_NEWLINE_NUL 
   PCRE2_INFO_RECURSIONLIMIT  Obsolete synonym for PCRE2_INFO_DEPTHLIMIT
   PCRE2_INFO_SIZE            Size of compiled pattern
 </pre>
diff --git a/doc/html/pcre2_set_newline.html b/doc/html/pcre2_set_newline.html
index ae6332a..a078f69 100644
--- a/doc/html/pcre2_set_newline.html
+++ b/doc/html/pcre2_set_newline.html
@@ -35,6 +35,7 @@ matching patterns. The second argument must be one of:
   PCRE2_NEWLINE_CRLF      CR followed by LF only
   PCRE2_NEWLINE_ANYCRLF   Any of the above
   PCRE2_NEWLINE_ANY       Any Unicode newline sequence
+  PCRE2_NEWLINE_NUL       The NUL character (binary zero) 
 </pre>
 The result is zero for success or PCRE2_ERROR_BADDATA if the second argument is
 invalid.
diff --git a/doc/html/pcre2api.html b/doc/html/pcre2api.html
index 04da2ea..98323c6 100644
--- a/doc/html/pcre2api.html
+++ b/doc/html/pcre2api.html
@@ -783,8 +783,9 @@ PCRE2_SIZE variable can hold, which is effectively unlimited.
 This specifies which characters or character sequences are to be recognized as
 newlines. The value must be one of PCRE2_NEWLINE_CR (carriage return only),
 PCRE2_NEWLINE_LF (linefeed only), PCRE2_NEWLINE_CRLF (the two-character
-sequence CR followed by LF), PCRE2_NEWLINE_ANYCRLF (any of the above), or
-PCRE2_NEWLINE_ANY (any Unicode newline sequence).
+sequence CR followed by LF), PCRE2_NEWLINE_ANYCRLF (any of the above), 
+PCRE2_NEWLINE_ANY (any Unicode newline sequence), or PCRE2_NEWLINE_NUL (the 
+NUL character, that is a binary zero).
 </P>
 <P>
 A pattern can override the value set in the compile context by starting with a
@@ -1106,6 +1107,7 @@ sequence that is recognized as meaning "newline". The values are:
   PCRE2_NEWLINE_CRLF     Carriage return, linefeed (CRLF)
   PCRE2_NEWLINE_ANY      Any Unicode line ending
   PCRE2_NEWLINE_ANYCRLF  Any of CR, LF, or CRLF
+  PCRE2_NEWLINE_NUL      The NUL character (binary zero) 
 </pre>
 The default should normally correspond to the standard sequence for your
 operating system.
@@ -2121,6 +2123,7 @@ The output is one of the following <b>uint32_t</b> values:
   PCRE2_NEWLINE_CRLF     Carriage return, linefeed (CRLF)
   PCRE2_NEWLINE_ANY      Any Unicode line ending
   PCRE2_NEWLINE_ANYCRLF  Any of CR, LF, or CRLF
+  PCRE2_NEWLINE_NUL      The NUL character (binary zero) 
 </pre>
 This identifies the character sequence that will be recognized as meaning
 "newline" while matching.
@@ -3468,7 +3471,7 @@ Cambridge, England.
 </P>
 <br><a name="SEC42" href="#TOC1">REVISION</a><br>
 <P>
-Last updated: 17 May 2017
+Last updated: 26 May 2017
 <br>
 Copyright &copy; 1997-2017 University of Cambridge.
 <br>
diff --git a/doc/html/pcre2grep.html b/doc/html/pcre2grep.html
index 499b2d1..ec2f726 100644
--- a/doc/html/pcre2grep.html
+++ b/doc/html/pcre2grep.html
@@ -142,9 +142,11 @@ standard input is always so treated.
 <br><a name="SEC4" href="#TOC1">BINARY FILES</a><br>
 <P>
 By default, a file that contains a binary zero byte within the first 1024 bytes
-is identified as a binary file, and is processed specially. (GNU grep also
-identifies binary files in this manner.) See the <b>--binary-files</b> option
-for a means of changing the way binary files are handled.
+is identified as a binary file, and is processed specially. (GNU grep
+identifies binary files in this manner.) However, if the newline type is
+specified as "nul", that is, the line terminator is a binary zero, the test for
+a binary file is not applied. See the <b>--binary-files</b> option for a means
+of changing the way binary files are handled.
 </P>
 <br><a name="SEC5" href="#TOC1">OPTIONS</a><br>
 <P>
@@ -934,7 +936,7 @@ Cambridge, England.
 </P>
 <br><a name="SEC15" href="#TOC1">REVISION</a><br>
 <P>
-Last updated: 11 April 2017
+Last updated: 26 May 2017
 <br>
 Copyright &copy; 1997-2017 University of Cambridge.
 <br>
diff --git a/doc/html/pcre2pattern.html b/doc/html/pcre2pattern.html
index 10aeeee..9679933 100644
--- a/doc/html/pcre2pattern.html
+++ b/doc/html/pcre2pattern.html
@@ -214,10 +214,10 @@ amount of system stack that is used.
 Newline conventions
 </b><br>
 <P>
-PCRE2 supports five different conventions for indicating line breaks in
+PCRE2 supports six different conventions for indicating line breaks in
 strings: a single CR (carriage return) character, a single LF (linefeed)
-character, the two-character sequence CRLF, any of the three preceding, or any
-Unicode newline sequence. The
+character, the two-character sequence CRLF, any of the three preceding, any
+Unicode newline sequence, or the NUL character (binary zero). The
 <a href="pcre2api.html"><b>pcre2api</b></a>
 page has
 <a href="pcre2api.html#newlines">further discussion</a>
@@ -226,13 +226,14 @@ about newlines, and shows how to set the newline convention when calling
 </P>
 <P>
 It is also possible to specify a newline convention by starting a pattern
-string with one of the following five sequences:
+string with one of the following sequences:
 <pre>
   (*CR)        carriage return
   (*LF)        linefeed
   (*CRLF)      carriage return, followed by linefeed
   (*ANYCRLF)   any of the three above
   (*ANY)       all Unicode newline sequences
+  (*NUL)       the NUL character (binary zero) 
 </pre>
 These override the default and the options given to the compiling function. For
 example, on a Unix system where LF is the default newline sequence, the pattern
@@ -3444,7 +3445,7 @@ Cambridge, England.
 </P>
 <br><a name="SEC30" href="#TOC1">REVISION</a><br>
 <P>
-Last updated: 18 April 2017
+Last updated: 26 May 2017
 <br>
 Copyright &copy; 1997-2017 University of Cambridge.
 <br>
diff --git a/doc/html/pcre2syntax.html b/doc/html/pcre2syntax.html
index 3f4a063..ec29303 100644
--- a/doc/html/pcre2syntax.html
+++ b/doc/html/pcre2syntax.html
@@ -468,6 +468,7 @@ settings with a similar syntax.
   (*CRLF)         carriage return followed by linefeed
   (*ANYCRLF)      all three of the above
   (*ANY)          any Unicode newline sequence
+  (*NUL)          the NUL character (binary zero)
 </PRE>
 </P>
 <br><a name="SEC18" href="#TOC1">WHAT \R MATCHES</a><br>
@@ -598,7 +599,7 @@ Cambridge, England.
 </P>
 <br><a name="SEC27" href="#TOC1">REVISION</a><br>
 <P>
-Last updated: 18 April 2017
+Last updated: 26 May 2017
 <br>
 Copyright &copy; 1997-2017 University of Cambridge.
 <br>
diff --git a/doc/html/pcre2test.html b/doc/html/pcre2test.html
index 0788a3f..a8d7d08 100644
--- a/doc/html/pcre2test.html
+++ b/doc/html/pcre2test.html
@@ -182,7 +182,7 @@ following options output the value and set the exit code as indicated:
   linksize   the configured internal link size (2, 3, or 4)
                exit code is set to the link size
   newline    the default newline setting:
-               CR, LF, CRLF, ANYCRLF, or ANY
+               CR, LF, CRLF, ANYCRLF, ANY, or NUL
                exit code is always 0
   bsr        the default setting for what \R matches:
                ANYCRLF or ANY
@@ -367,8 +367,8 @@ when PCRE2 is compiled with either CR or CRLF as the default newline.
 </P>
 <P>
 The #newline_default command specifies a list of newline types that are
-acceptable as the default. The types must be one of CR, LF, CRLF, ANYCRLF, or
-ANY (in upper or lower case), for example:
+acceptable as the default. The types must be one of CR, LF, CRLF, ANYCRLF,
+ANY, or NUL (in upper or lower case), for example:
 <pre>
   #newline_default LF Any anyCRLF
 </pre>
@@ -655,7 +655,7 @@ is built, with the default default being Unicode.
 <P>
 The <b>newline</b> modifier specifies which characters are to be interpreted as
 newlines, both in the pattern and in subject lines. The type must be one of CR,
-LF, CRLF, ANYCRLF, or ANY (in upper or lower case).
+LF, CRLF, ANYCRLF, ANY, or NUL (in upper or lower case).
 </P>
 <br><b>
 Information about a pattern
@@ -1816,7 +1816,7 @@ Cambridge, England.
 </P>
 <br><a name="SEC21" href="#TOC1">REVISION</a><br>
 <P>
-Last updated: 17 May 2017
+Last updated: 26 May 2017
 <br>
 Copyright &copy; 1997-2017 University of Cambridge.
 <br>