[BACK]Return to pcreprecompile.3 CVS log [TXT] [DIR] Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / pcre / doc

Diff for /embedaddon/pcre/doc/pcreprecompile.3 between versions 1.1.1.4 and 1.1.1.5

version 1.1.1.4, 2013/07/22 08:25:56 version 1.1.1.5, 2014/06/15 19:46:05
Line 1 Line 1
.TH PCREPRECOMPILE 3 "24 June 2012" "PCRE 8.30".TH PCREPRECOMPILE 3 "12 November 2013" "PCRE 8.34"
 .SH NAME  .SH NAME
 PCRE - Perl-compatible regular expressions  PCRE - Perl-compatible regular expressions
 .SH "SAVING AND RE-USING PRECOMPILED PCRE PATTERNS"  .SH "SAVING AND RE-USING PRECOMPILED PCRE PATTERNS"
Line 90  study data. Line 90  study data.
 .rs  .rs
 .sp  .sp
 Re-using a precompiled pattern is straightforward. Having reloaded it into main  Re-using a precompiled pattern is straightforward. Having reloaded it into main
memory, called \fBpcre[16|32]_pattern_to_host_byte_order()\fP if necessary,memory, called \fBpcre[16|32]_pattern_to_host_byte_order()\fP if necessary, you
you pass its pointer to \fBpcre[16|32]_exec()\fP or \fBpcre[16|32]_dfa_exec()\fP inpass its pointer to \fBpcre[16|32]_exec()\fP or \fBpcre[16|32]_dfa_exec()\fP in
 the usual way.  the usual way.
 .P  .P
 However, if you passed a pointer to custom character tables when the pattern  However, if you passed a pointer to custom character tables when the pattern
Line 110  in the Line 110  in the
 .\"  .\"
 documentation.  documentation.
 .P  .P
   \fBWarning:\fP The tables that \fBpcre_exec()\fP and \fBpcre_dfa_exec()\fP use
   must be the same as those that were used when the pattern was compiled. If this
   is not the case, the behaviour is undefined.
   .P
 If you did not provide custom character tables when the pattern was compiled,  If you did not provide custom character tables when the pattern was compiled,
 the pointer in the compiled pattern is NULL, which causes the matching  the pointer in the compiled pattern is NULL, which causes the matching
 functions to use PCRE's internal tables. Thus, you do not need to take any  functions to use PCRE's internal tables. Thus, you do not need to take any
 special action at run time in this case.  special action at run time in this case.
 .P  .P
 If you saved study data with the compiled pattern, you need to create your own  If you saved study data with the compiled pattern, you need to create your own
\fBpcre[16|32]_extra\fP data block and set the \fIstudy_data\fP field to point to the\fBpcre[16|32]_extra\fP data block and set the \fIstudy_data\fP field to point
reloaded study data. You must also set the PCRE_EXTRA_STUDY_DATA bit in theto the reloaded study data. You must also set the PCRE_EXTRA_STUDY_DATA bit in
\fIflags\fP field to indicate that study data is present. Then pass thethe \fIflags\fP field to indicate that study data is present. Then pass the
 \fBpcre[16|32]_extra\fP block to the matching function in the usual way. If the  \fBpcre[16|32]_extra\fP block to the matching function in the usual way. If the
 pattern was studied for just-in-time optimization, that data cannot be saved,  pattern was studied for just-in-time optimization, that data cannot be saved,
 and so is lost by a save/restore cycle.  and so is lost by a save/restore cycle.
Line 146  Cambridge CB2 3QH, England. Line 150  Cambridge CB2 3QH, England.
 .rs  .rs
 .sp  .sp
 .nf  .nf
Last updated: 24 June 2012Last updated: 12 November 2013
Copyright (c) 1997-2012 University of Cambridge.Copyright (c) 1997-2013 University of Cambridge.
 .fi  .fi
Removed from v.1.1.1.4  
changed lines
  Added in v.1.1.1.5

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>