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1 nigel 41 README file for PCRE (Perl-compatible regular expression library)
2     -----------------------------------------------------------------
3 nigel 3
4 nigel 43 The latest release of PCRE is always available from
6     ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-xxx.tar.gz
8 nigel 41 Please read the NEWS file if you are upgrading from a previous release.
9 ph10 109 The contents of this README file are:
10 nigel 23
11 ph10 109 The PCRE APIs
12     Documentation for PCRE
13     Contributions by users of PCRE
14     Building PCRE on non-Unix systems
15     Building PCRE on a Unix-like system
16     Retrieving configuration information on a Unix-like system
17     Shared libraries on Unix-like systems
18     Cross-compiling on a Unix-like system
19     Using HP's ANSI C++ compiler (aCC)
20     Testing PCRE
21     Character tables
22     File manifest
23 nigel 35
24 ph10 109
25 nigel 77 The PCRE APIs
26     -------------
28     PCRE is written in C, and it has its own API. The distribution now includes a
29     set of C++ wrapper functions, courtesy of Google Inc. (see the pcrecpp man page
30     for details).
32 ph10 109 Also included in the distribution are a set of C wrapper functions that are
33     based on the POSIX API. These end up in the library called libpcreposix. Note
34     that this just provides a POSIX calling interface to PCRE; the regular
35     expressions themselves still follow Perl syntax and semantics. The POSIX API is
36     restricted, and does not give full access to all of PCRE's facilities.
37 nigel 77
38 ph10 109 The header file for the POSIX-style functions is called pcreposix.h. The
39     official POSIX name is regex.h, but I did not want to risk possible problems
40     with existing files of that name by distributing it that way. To use PCRE with
41     an existing program that uses the POSIX API, pcreposix.h will have to be
42     renamed or pointed at by a link.
44 nigel 73 If you are using the POSIX interface to PCRE and there is already a POSIX regex
45 ph10 109 library installed on your system, as well as worrying about the regex.h header
46     file (as mentioned above), you must also take care when linking programs to
47 nigel 73 ensure that they link with PCRE's libpcreposix library. Otherwise they may pick
48 ph10 109 up the POSIX functions of the same name from the other library.
49 nigel 49
50 ph10 109 One way of avoiding this confusion is to compile PCRE with the addition of
51     -Dregcomp=PCREregcomp (and similarly for the other functions) to the compiler
52     flags (CFLAGS if you are using "configure" -- see below). This has the effect
53     of renaming the functions so that the names no longer clash. Of course, you
54     have to do the same thing for your applications, or write them using the new
55     names.
56 nigel 73
57 ph10 109
58 nigel 75 Documentation for PCRE
59     ----------------------
61     If you install PCRE in the normal way, you will end up with an installed set of
62 nigel 91 man pages whose names all start with "pcre". The one that is just called "pcre"
63 nigel 75 lists all the others. In addition to these man pages, the PCRE documentation is
64 ph10 109 supplied in two other forms:
65 nigel 75
66 ph10 109 1. There are files called doc/pcre.txt, doc/pcregrep.txt, and
67     doc/pcretest.txt in the source distribution. The first of these is a
68     concatenation of the text forms of all the section 3 man pages except
69     those that summarize individual functions. The other two are the text
70     forms of the section 1 man pages for the pcregrep and pcretest commands.
71     These text forms are provided for ease of scanning with text editors or
72     similar tools.
73 nigel 75
74 ph10 109 2. A set of files containing all the documentation in HTML form, hyperlinked
75     in various ways, and rooted in a file called index.html, is installed in
76     the directory <prefix>/share/doc/pcre/html, where <prefix> is the
77     installation prefix (defaulting to /usr/local).
78 nigel 75
80 nigel 53 Contributions by users of PCRE
81     ------------------------------
83     You can find contributions from PCRE users in the directory
85     ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/Contrib
87     where there is also a README file giving brief descriptions of what they are.
88 ph10 109 Some are complete in themselves; others are pointers to URLs containing
89     relevant files. Some of this material is likely to be well out-of-date. In
90     particular, several of the contributions provide support for compiling PCRE on
91     various flavours of Windows (I myself do not use Windows), but it is hoped that
92     more Windows support will find its way into the standard distribution.
93 nigel 53
95 ph10 109 Building PCRE on non-Unix systems
96     ---------------------------------
97 ph10 101
98     For a non-Unix system, read the comments in the file NON-UNIX-USE, though if
99     the system supports the use of "configure" and "make" you may be able to build
100 ph10 109 PCRE in the same way as for Unix-like systems.
101 ph10 101
102 ph10 109 PCRE has been compiled on many different operating systems. It should be
103     straightforward to build PCRE on any system that has a Standard C compiler and
104     library, because it uses only Standard C functions.
105 ph10 101
107 nigel 63 Building PCRE on a Unix-like system
108     -----------------------------------
109 nigel 3
110 nigel 87 If you are using HP's ANSI C++ compiler (aCC), please see the special note
111     in the section entitled "Using HP's ANSI C++ compiler (aCC)" below.
113 nigel 63 To build PCRE on a Unix-like system, first run the "configure" command from the
114     PCRE distribution directory, with your current directory set to the directory
115     where you want the files to be created. This command is a standard GNU
116     "autoconf" configuration script, for which generic instructions are supplied in
117     INSTALL.
118 nigel 3
119 nigel 53 Most commonly, people build PCRE within its own distribution directory, and in
120 ph10 109 this case, on many systems, just running "./configure" is sufficient. However,
121     the usual methods of changing standard defaults are available. For example:
122 nigel 53
123 nigel 41 CFLAGS='-O2 -Wall' ./configure --prefix=/opt/local
125     specifies that the C compiler should be run with the flags '-O2 -Wall' instead
126     of the default, and that "make install" should install PCRE under /opt/local
127 nigel 49 instead of the default /usr/local.
128 nigel 41
129 nigel 53 If you want to build in a different directory, just run "configure" with that
130     directory as current. For example, suppose you have unpacked the PCRE source
131     into /source/pcre/pcre-xxx, but you want to build it in /build/pcre/pcre-xxx:
133     cd /build/pcre/pcre-xxx
134     /source/pcre/pcre-xxx/configure
136 nigel 87 PCRE is written in C and is normally compiled as a C library. However, it is
137     possible to build it as a C++ library, though the provided building apparatus
138     does not have any features to support this.
140 nigel 63 There are some optional features that can be included or omitted from the PCRE
141     library. You can read more about them in the pcrebuild man page.
142 nigel 49
143 nigel 83 . If you want to suppress the building of the C++ wrapper library, you can add
144     --disable-cpp to the "configure" command. Otherwise, when "configure" is run,
145     will try to find a C++ compiler and C++ header files, and if it succeeds, it
146     will try to build the C++ wrapper.
148 nigel 63 . If you want to make use of the support for UTF-8 character strings in PCRE,
149     you must add --enable-utf8 to the "configure" command. Without it, the code
150     for handling UTF-8 is not included in the library. (Even when included, it
151     still has to be enabled by an option at run time.)
153 nigel 75 . If, in addition to support for UTF-8 character strings, you want to include
154     support for the \P, \p, and \X sequences that recognize Unicode character
155     properties, you must add --enable-unicode-properties to the "configure"
156 nigel 91 command. This adds about 30K to the size of the library (in the form of a
157 nigel 75 property table); only the basic two-letter properties such as Lu are
158     supported.
160 nigel 93 . You can build PCRE to recognize either CR or LF or the sequence CRLF or any
161     of the Unicode newline sequences as indicating the end of a line. Whatever
162     you specify at build time is the default; the caller of PCRE can change the
163     selection at run time. The default newline indicator is a single LF character
164     (the Unix standard). You can specify the default newline indicator by adding
165     --newline-is-cr or --newline-is-lf or --newline-is-crlf or --newline-is-any
166     to the "configure" command, respectively.
167 ph10 109
168     If you specify --newline-is-cr or --newline-is-crlf, some of the standard
169     tests will fail, because the lines in the test files end with LF. Even if
170 ph10 99 the files are edited to change the line endings, there are likely to be some
171     failures. With --newline-is-any, many tests should succeed, but there may be
172     some failures.
173 nigel 63
174     . When called via the POSIX interface, PCRE uses malloc() to get additional
175     storage for processing capturing parentheses if there are more than 10 of
176     them. You can increase this threshold by setting, for example,
178     --with-posix-malloc-threshold=20
180     on the "configure" command.
182 nigel 77 . PCRE has a counter that can be set to limit the amount of resources it uses.
183 nigel 63 If the limit is exceeded during a match, the match fails. The default is ten
184     million. You can change the default by setting, for example,
186     --with-match-limit=500000
188     on the "configure" command. This is just the default; individual calls to
189     pcre_exec() can supply their own value. There is discussion on the pcreapi
190     man page.
192 nigel 91 . There is a separate counter that limits the depth of recursive function calls
193     during a matching process. This also has a default of ten million, which is
194     essentially "unlimited". You can change the default by setting, for example,
196     --with-match-limit-recursion=500000
198     Recursive function calls use up the runtime stack; running out of stack can
199     cause programs to crash in strange ways. There is a discussion about stack
200     sizes in the pcrestack man page.
202 nigel 63 . The default maximum compiled pattern size is around 64K. You can increase
203     this by adding --with-link-size=3 to the "configure" command. You can
204     increase it even more by setting --with-link-size=4, but this is unlikely
205     ever to be necessary. If you build PCRE with an increased link size, test 2
206     (and 5 if you are using UTF-8) will fail. Part of the output of these tests
207     is a representation of the compiled pattern, and this changes with the link
208     size.
210 nigel 77 . You can build PCRE so that its internal match() function that is called from
211     pcre_exec() does not call itself recursively. Instead, it uses blocks of data
212     from the heap via special functions pcre_stack_malloc() and pcre_stack_free()
213     to save data that would otherwise be saved on the stack. To build PCRE like
214     this, use
215 nigel 73
216     --disable-stack-for-recursion
218     on the "configure" command. PCRE runs more slowly in this mode, but it may be
219 nigel 77 necessary in environments with limited stack sizes. This applies only to the
220     pcre_exec() function; it does not apply to pcre_dfa_exec(), which does not
221     use deeply nested recursion.
222 nigel 73
223 ph10 109 The "configure" script builds the following files for the basic C library:
224 nigel 49
225 nigel 77 . Makefile is the makefile that builds the library
226     . config.h contains build-time configuration options for the library
227 ph10 109 . pcre.h is the public PCRE header file
228 nigel 77 . pcre-config is a script that shows the settings of "configure" options
229     . libpcre.pc is data for the pkg-config command
230 nigel 75 . libtool is a script that builds shared and/or static libraries
231 ph10 109 . RunTest is a script for running tests on the basic C library
232 nigel 77 . RunGrepTest is a script for running tests on the pcregrep command
233 nigel 41
234 ph10 109 Versions of config.h and pcre.h are distributed in the PCRE tarballs. These are
235     provided for the benefit of those who have to compile PCRE without the benefit
236     of "configure". If you use "configure", the distributed copies are replaced.
237 nigel 77
238 ph10 109 If a C++ compiler is found, the following files are also built:
240     . libpcrecpp.pc is data for the pkg-config command
241     . pcrecpparg.h is a header file for programs that call PCRE via the C++ wrapper
242 nigel 77 . pcre_stringpiece.h is the header for the C++ "stringpiece" functions
244     The "configure" script also creates config.status, which is an executable
245     script that can be run to recreate the configuration, and config.log, which
246     contains compiler output from tests that "configure" runs.
248     Once "configure" has run, you can run "make". It builds two libraries, called
249 ph10 109 libpcre and libpcreposix, a test program called pcretest, a demonstration
250     program called pcredemo, and the pcregrep command. If a C++ compiler was found
251     on your system, it also builds the C++ wrapper library, which is called
252     libpcrecpp, and some test programs called pcrecpp_unittest,
253     pcre_scanner_unittest, and pcre_stringpiece_unittest.
254 nigel 3
255 ph10 109 The command "make check" runs all the appropriate tests. Details of the PCRE
256     tests are given below in a separate section of this document.
257 nigel 75
258 ph10 109 You can use "make install" to install PCRE into live directories on your
259     system. The following are installed (file names are all relative to the
260     <prefix> that is set when "configure" is run):
261 nigel 77
262 ph10 109 Commands (bin):
263     pcretest
264     pcregrep
265     pcre-config
267     Libraries (lib):
268     libpcre
269     libpcreposix
270     libpcrecpp (if C++ support is enabled)
272     Configuration information (lib/pkgconfig):
273     libpcre.pc
274     libpcrecpp.ps (if C++ support is enabled)
276     Header files (include):
277     pcre.h
278     pcreposix.h
279     pcre_scanner.h )
280     pcre_stringpiece.h ) if C++ support is enabled
281     pcrecpp.h )
282     pcrecpparg.h )
284     Man pages (share/man/man{1,3}):
285     pcregrep.1
286     pcretest.1
287     pcre.3
288     pcre*.3 (lots more pages, all starting "pcre")
290     HTML documentation (share/doc/pcre/html):
291     index.html
292     *.html (lots more pages, hyperlinked from index.html)
294     Text file documentation (share/doc/pcre):
295     AUTHORS
296     COPYING
297     ChangeLog
298     INSTALL
299     LICENCE
300     NON-UNIX-USE
301     NEWS
302     README
303     pcre.txt (a concatenation of the man(3) pages)
304     pcretest.txt the pcretest man page
305     pcregrep.txt the pcregrep man page
306     perltest.txt some information about the perltest.pl script
308     Note that the pcredemo program that is built by "configure" is *not* installed
309     anywhere. It is a demonstration for programmers wanting to use PCRE.
311 nigel 77 If you want to remove PCRE from your system, you can run "make uninstall".
312     This removes all the files that "make install" installed. However, it does not
313     remove any directories, because these are often shared with other programs.
316 ph10 109 Retrieving configuration information on a Unix-like system
317     ----------------------------------------------------------
318 nigel 75
319 ph10 109 Running "make install" installs the command pcre-config, which can be used to
320     recall information about the PCRE configuration and installation. For example:
321 nigel 37
322 nigel 43 pcre-config --version
324     prints the version number, and
326 nigel 75 pcre-config --libs
327 nigel 43
328     outputs information about where the library is installed. This command can be
329     included in makefiles for programs that use PCRE, saving the programmer from
330     having to remember too many details.
332 nigel 75 The pkg-config command is another system for saving and retrieving information
333     about installed libraries. Instead of separate commands for each library, a
334     single command is used. For example:
335 nigel 43
336 nigel 75 pkg-config --cflags pcre
338     The data is held in *.pc files that are installed in a directory called
339 ph10 109 <prefix>/lib/pkgconfig.
340 nigel 75
342 nigel 63 Shared libraries on Unix-like systems
343     -------------------------------------
344 nigel 53
345 nigel 77 The default distribution builds PCRE as shared libraries and static libraries,
346     as long as the operating system supports shared libraries. Shared library
347     support relies on the "libtool" script which is built as part of the
348 nigel 53 "configure" process.
349 nigel 39
350 nigel 53 The libtool script is used to compile and link both shared and static
351     libraries. They are placed in a subdirectory called .libs when they are newly
352     built. The programs pcretest and pcregrep are built to use these uninstalled
353     libraries (by means of wrapper scripts in the case of shared libraries). When
354     you use "make install" to install shared libraries, pcregrep and pcretest are
355     automatically re-built to use the newly installed shared libraries before being
356     installed themselves. However, the versions left in the source directory still
357     use the uninstalled libraries.
359     To build PCRE using static libraries only you must use --disable-shared when
360 nigel 75 configuring it. For example:
361 nigel 3
362 nigel 43 ./configure --prefix=/usr/gnu --disable-shared
363 nigel 41
364 nigel 53 Then run "make" in the usual way. Similarly, you can use --disable-static to
365     build only shared libraries.
366 nigel 41
367 nigel 43
368 nigel 63 Cross-compiling on a Unix-like system
369     -------------------------------------
371     You can specify CC and CFLAGS in the normal way to the "configure" command, in
372     order to cross-compile PCRE for some other host. However, during the building
373     process, the dftables.c source file is compiled *and run* on the local host, in
374     order to generate the default character tables (the chartables.c file). It
375     therefore needs to be compiled with the local compiler, not the cross compiler.
376 nigel 77 You can do this by specifying CC_FOR_BUILD (and if necessary CFLAGS_FOR_BUILD;
377     there are also CXX_FOR_BUILD and CXXFLAGS_FOR_BUILD for the C++ wrapper)
378 nigel 73 when calling the "configure" command. If they are not specified, they default
379     to the values of CC and CFLAGS.
380 nigel 63
382 nigel 87 Using HP's ANSI C++ compiler (aCC)
383     ----------------------------------
385 nigel 93 Unless C++ support is disabled by specifying the "--disable-cpp" option of the
386 nigel 87 "configure" script, you *must* include the "-AA" option in the CXXFLAGS
387     environment variable in order for the C++ components to compile correctly.
389     Also, note that the aCC compiler on PA-RISC platforms may have a defect whereby
390     needed libraries fail to get included when specifying the "-AA" compiler
391     option. If you experience unresolved symbols when linking the C++ programs,
392     use the workaround of specifying the following environment variable prior to
393     running the "configure" script:
395     CXXLDFLAGS="-lstd_v2 -lCsup_v2"
398 nigel 41 Testing PCRE
399     ------------
401 nigel 53 To test PCRE on a Unix system, run the RunTest script that is created by the
402 nigel 77 configuring process. There is also a script called RunGrepTest that tests the
403     options of the pcregrep command. If the C++ wrapper library is build, three
404     test programs called pcrecpp_unittest, pcre_scanner_unittest, and
405 ph10 109 pcre_stringpiece_unittest are also built.
406 nigel 41
407 ph10 109 Both the scripts and all the program tests are run if you obey "make check" or
408     "make test". For other systems, see the instructions in NON-UNIX-USE.
409 nigel 77
410     The RunTest script runs the pcretest test program (which is documented in its
411     own man page) on each of the testinput files (in the testdata directory) in
412     turn, and compares the output with the contents of the corresponding testoutput
413 nigel 93 files. A file called testtry is used to hold the main output from pcretest
414 nigel 75 (testsavedregex is also used as a working file). To run pcretest on just one of
415     the test files, give its number as an argument to RunTest, for example:
416 nigel 41
417 nigel 63 RunTest 2
418 nigel 3
419 ph10 109 The first test file can also be fed directly into the perltest.pl script to
420     check that Perl gives the same results. The only difference you should see is
421     in the first few lines, where the Perl version is given instead of the PCRE
422     version.
423 nigel 3
424 nigel 49 The second set of tests check pcre_fullinfo(), pcre_info(), pcre_study(),
425     pcre_copy_substring(), pcre_get_substring(), pcre_get_substring_list(), error
426     detection, and run-time flags that are specific to PCRE, as well as the POSIX
427     wrapper API. It also uses the debugging flag to check some of the internals of
428     pcre_compile().
429 nigel 7
430 nigel 49 If you build PCRE with a locale setting that is not the standard C locale, the
431     character tables may be different (see next paragraph). In some cases, this may
432     cause failures in the second set of tests. For example, in a locale where the
433     isprint() function yields TRUE for characters in the range 128-255, the use of
434     [:isascii:] inside a character class defines a different set of characters, and
435     this shows up in this test as a difference in the compiled code, which is being
436     listed for checking. Where the comparison test output contains [\x00-\x7f] the
437     test will contain [\x00-\xff], and similarly in some other cases. This is not a
438     bug in PCRE.
440 nigel 63 The third set of tests checks pcre_maketables(), the facility for building a
441 nigel 25 set of character tables for a specific locale and using them instead of the
442 nigel 73 default tables. The tests make use of the "fr_FR" (French) locale. Before
443     running the test, the script checks for the presence of this locale by running
444     the "locale" command. If that command fails, or if it doesn't include "fr_FR"
445     in the list of available locales, the third test cannot be run, and a comment
446     is output to say why. If running this test produces instances of the error
447 nigel 25
448 nigel 73 ** Failed to set locale "fr_FR"
449 nigel 25
450     in the comparison output, it means that locale is not available on your system,
451     despite being listed by "locale". This does not mean that PCRE is broken.
453 nigel 63 The fourth test checks the UTF-8 support. It is not run automatically unless
454     PCRE is built with UTF-8 support. To do this you must set --enable-utf8 when
455     running "configure". This file can be also fed directly to the perltest script,
456     provided you are running Perl 5.8 or higher. (For Perl 5.6, a small patch,
457     commented in the script, can be be used.)
458 nigel 3
459 nigel 75 The fifth test checks error handling with UTF-8 encoding, and internal UTF-8
460     features of PCRE that are not relevant to Perl.
461 nigel 3
462 nigel 77 The sixth and test checks the support for Unicode character properties. It it
463     not run automatically unless PCRE is built with Unicode property support. To to
464     this you must set --enable-unicode-properties when running "configure".
465 nigel 63
466 nigel 77 The seventh, eighth, and ninth tests check the pcre_dfa_exec() alternative
467     matching function, in non-UTF-8 mode, UTF-8 mode, and UTF-8 mode with Unicode
468     property support, respectively. The eighth and ninth tests are not run
469     automatically unless PCRE is build with the relevant support.
470 nigel 75
471 nigel 77
472 nigel 3 Character tables
473     ----------------
475 nigel 75 PCRE uses four tables for manipulating and identifying characters whose values
476     are less than 256. The final argument of the pcre_compile() function is a
477     pointer to a block of memory containing the concatenated tables. A call to
478     pcre_maketables() can be used to generate a set of tables in the current
479     locale. If the final argument for pcre_compile() is passed as NULL, a set of
480     default tables that is built into the binary is used.
481 nigel 3
482 nigel 25 The source file called chartables.c contains the default set of tables. This is
483 nigel 27 not supplied in the distribution, but is built by the program dftables
484     (compiled from dftables.c), which uses the ANSI C character handling functions
485 nigel 25 such as isalnum(), isalpha(), isupper(), islower(), etc. to build the table
486 nigel 35 sources. This means that the default C locale which is set for your system will
487     control the contents of these default tables. You can change the default tables
488     by editing chartables.c and then re-building PCRE. If you do this, you should
489     probably also edit Makefile to ensure that the file doesn't ever get
490     re-generated.
491 nigel 3
492 nigel 25 The first two 256-byte tables provide lower casing and case flipping functions,
493     respectively. The next table consists of three 32-byte bit maps which identify
494     digits, "word" characters, and white space, respectively. These are used when
495 ph10 109 building 32-byte bit maps that represent character classes for code points less
496     than 256.
497 nigel 25
498     The final 256-byte table has bits indicating various character types, as
499 nigel 3 follows:
501     1 white space character
502     2 letter
503     4 decimal digit
504     8 hexadecimal digit
505     16 alphanumeric or '_'
506     128 regular expression metacharacter or binary zero
508     You should not alter the set of characters that contain the 128 bit, as that
509     will cause PCRE to malfunction.
512 ph10 109 File manifest
513     -------------
514 nigel 3
515 nigel 41 The distribution should contain the following files:
516 nigel 3
517 ph10 109 (A) Source files of the PCRE library functions and their headers:
518 nigel 3
519 ph10 109 dftables.c auxiliary program for building chartables.c
521     pcreposix.c )
522     pcre_compile.c )
523     pcre_config.c )
524     pcre_dfa_exec.c )
525     pcre_exec.c )
526     pcre_fullinfo.c )
527     pcre_get.c ) sources for the functions in the library,
528     pcre_globals.c ) and some internal functions that they use
529     pcre_info.c )
530     pcre_maketables.c )
531     pcre_newline.c )
532     pcre_ord2utf8.c )
533     pcre_refcount.c )
534     pcre_study.c )
535     pcre_tables.c )
536     pcre_try_flipped.c )
537     pcre_ucp_searchfuncs.c )
538     pcre_valid_utf8.c )
539     pcre_version.c )
540     pcre_xclass.c )
541     pcre_printint.src ) debugging function that is #included in pcretest,
542     ) and can also be #included in pcre_compile()
543     pcre.h ) a version of the public PCRE header file
544     ) for use in non-"configure" environments
545     pcre.h.in template for pcre.h when built by "configure"
546     pcreposix.h header for the external POSIX wrapper API
547     pcre_internal.h header for internal use
548     ucp.h ) headers concerned with
549     ucpinternal.h ) Unicode property handling
550     ucptable.h ) (this one is the data table)
552     config.h ) a version of config.h for use in non-"configure"
553     ) environments
554     config.h.in template for config.h when built by "configure"
556     pcrecpp.h public header file for the C++ wrapper
557     pcrecpparg.h.in template for another C++ header file
558     pcre_scanner.h public header file for C++ scanner functions
559     pcrecpp.cc )
560     pcre_scanner.cc ) source for the C++ wrapper library
562     pcre_stringpiece.h.in template for pcre_stringpiece.h, the header for the
563     C++ stringpiece functions
564     pcre_stringpiece.cc source for the C++ stringpiece functions
566     (B) Source files for programs that use PCRE:
567 nigel 75
568 ph10 109 pcredemo.c simple demonstration of coding calls to PCRE
569     pcregrep.c source of a grep utility that uses PCRE
570     pcretest.c comprehensive test program
572     (C) Auxiliary files:
574     AUTHORS information about the author of PCRE
575     ChangeLog log of changes to the code
576     INSTALL generic installation instructions
577     LICENCE conditions for the use of PCRE
578     COPYING the same, using GNU's standard name
579     Makefile.in ) template for Unix Makefile, which is built by
580     ) "configure"
581     Makefile.am ) the automake input that was used to create
582     ) Makefile.in
583     NEWS important changes in this release
584     NON-UNIX-USE notes on building PCRE on non-Unix systems
585     README this file
586     RunTest.in template for a Unix shell script for running tests
587     RunGrepTest.in template for a Unix shell script for pcregrep tests
588     aclocal.m4 m4 macros (generated by "aclocal")
589     config.guess ) files used by libtool,
590     config.sub ) used only when building a shared library
591     configure a configuring shell script (built by autoconf)
592     configure.ac ) the autoconf input that was used to build
593     ) "configure" and config.h
594     depcomp ) script to find program dependencies, generated by
595     ) automake
596     doc/*.3 man page sources for the PCRE functions
597     doc/*.1 man page sources for pcregrep and pcretest
598     doc/html/* HTML documentation
599     doc/pcre.txt plain text version of the man pages
600     doc/pcretest.txt plain text documentation of test program
601     doc/perltest.txt plain text documentation of Perl test program
602     install-sh a shell script for installing files
603     libpcre.pc.in template for libpcre.pc for pkg-config
604     libpcrecpp.pc.in template for libpcrecpp.pc for pkg-config
605     ltmain.sh file used to build a libtool script
606     missing ) common stub for a few missing GNU programs while
607     ) installing, generated by automake
608     mkinstalldirs script for making install directories
609     perltest.pl Perl test program
610     pcre-config.in source of script which retains PCRE information
611 nigel 77 pcrecpp_unittest.c )
612     pcre_scanner_unittest.c ) test programs for the C++ wrapper
613     pcre_stringpiece_unittest.c )
614 ph10 109 testdata/testinput* test data for main library tests
615     testdata/testoutput* expected test results
616     testdata/grep* input and output for pcregrep tests
618     (D) Auxiliary files for cmake support
619 nigel 3
620 ph10 109 CMakeLists.txt
621     config-cmake.h.in
622 nigel 29
623 ph10 109 (E) Auxiliary files for VPASCAL
624 nigel 29
625 nigel 63 makevp.bat
626 ph10 109 !compile.txt
627     !linklib.txt
628     pcregexp.pas
630     (F) Miscellaneous
631 nigel 63
632 ph10 109 RunTest.bat a script for running tests under Windows
634 nigel 77 Philip Hazel
635     Email local part: ph10
636     Email domain: cam.ac.uk
637 ph10 109 Last updated: March 2007


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