pcre32: Add 32-bit library

Create libpcre32 that operates on 32-bit characters (UTF-32).

This turned out to be surprisingly simple after the UTF-16 support
was introduced; mostly just extra ifdefs and adjusting and adding
some tests.

git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1055 2f5784b3-3f2a-0410-8824-cb99058d5e15

1 files changed, 14 insertions, 4 deletions

diff --git a/doc/pcre_compile.3 b/doc/pcre_compile.3
index c38c251..d09768d 100644
--- a/doc/pcre_compile.3
+++ b/doc/pcre_compile.3
@@ -1,4 +1,4 @@
-.TH PCRE_COMPILE 3 "13 January 2012" "PCRE 8.30"
+.TH PCRE_COMPILE 3 "24 June 2012" "PCRE 8.30"
 .SH NAME
 PCRE - Perl-compatible regular expressions
 .SH SYNOPSIS
@@ -18,12 +18,18 @@ PCRE - Perl-compatible regular expressions
 .B const char **\fIerrptr\fP, int *\fIerroffset\fP,
 .ti +5n
 .B const unsigned char *\fItableptr\fP);
+.PP
+.B pcre32 *pcre32_compile(PCRE_SPTR32 \fIpattern\fP, int \fIoptions\fP,
+.ti +5n
+.B const char **\fIerrptr\fP, int *\fIerroffset\fP,
+.ti +5n
+.B const unsigned char *\fItableptr\fP);
 .
 .SH DESCRIPTION
 .rs
 .sp
 This function compiles a regular expression into an internal form. It is the
-same as \fBpcre[16]_compile2()\fP, except for the absence of the
+same as \fBpcre[16|32]_compile2()\fP, except for the absence of the
 \fIerrorcodeptr\fP argument. Its arguments are:
 .sp
   \fIpattern\fP       A zero-terminated string containing the
@@ -61,16 +67,20 @@ The option bits are:
   PCRE_NO_UTF16_CHECK     Do not check the pattern for UTF-16
                             validity (only relevant if
                             PCRE_UTF16 is set)
+  PCRE_NO_UTF32_CHECK     Do not check the pattern for UTF-32
+                            validity (only relevant if
+                            PCRE_UTF32 is set)
   PCRE_NO_UTF8_CHECK      Do not check the pattern for UTF-8
                             validity (only relevant if
                             PCRE_UTF8 is set)
   PCRE_UCP                Use Unicode properties for \ed, \ew, etc.
   PCRE_UNGREEDY           Invert greediness of quantifiers
   PCRE_UTF16              Run in \fBpcre16_compile()\fP UTF-16 mode
+  PCRE_UTF32              Run in \fBpcre32_compile()\fP UTF-32 mode
   PCRE_UTF8               Run in \fBpcre_compile()\fP UTF-8 mode
 .sp
-PCRE must be built with UTF support in order to use PCRE_UTF8/16 and
-PCRE_NO_UTF8/16_CHECK, and with UCP support if PCRE_UCP is used.
+PCRE must be built with UTF support in order to use PCRE_UTF8/16/32 and
+PCRE_NO_UTF8/16/32_CHECK, and with UCP support if PCRE_UCP is used.
 .P
 The yield of the function is a pointer to a private data structure that
 contains the compiled pattern, or NULL if an error was detected. Note that