MCL/sf/os/fshell: comparison libraries/spcre/libpcre/pcre/pcretest.c

equal deleted inserted replaced

--1:000000000000
+:7f656887cf89
+/*************************************************
+*             PCRE testing program               *
+*************************************************/
+/* This program was hacked up as a tester for PCRE. I really should have
+written it more tidily in the first place. Will I ever learn? It has grown and
+been extended and consequently is now rather, er, *very* untidy in places.
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+* Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+* Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+* Neither the name of the University of Cambridge nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include <ctype.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <time.h>
+#include <locale.h>
+#include <errno.h>
+#ifdef SUPPORT_LIBREADLINE
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <readline/readline.h>
+#include <readline/history.h>
+#endif
+/* A number of things vary for Windows builds. Originally, pcretest opened its
+input and output without "b"; then I was told that "b" was needed in some
+environments, so it was added for release 5.0 to both the input and output. (It
+makes no difference on Unix-like systems.) Later I was told that it is wrong
+for the input on Windows. I've now abstracted the modes into two macros that
+are set here, to make it easier to fiddle with them, and removed "b" from the
+input mode under Windows. */
+#if defined(_WIN32) || defined(WIN32)
+#include <io.h>                /* For _setmode() */
+#include <fcntl.h>             /* For _O_BINARY */
+#define INPUT_MODE   "r"
+#define OUTPUT_MODE  "wb"
+#define isatty _isatty         /* This is what Windows calls them, I'm told */
+#define fileno _fileno
+#else
+#include <sys/time.h>          /* These two includes are needed */
+#include <sys/resource.h>      /* for setrlimit(). */
+#define INPUT_MODE   "rb"
+#define OUTPUT_MODE  "wb"
+#endif
+/* We have to include pcre_internal.h because we need the internal info for
+displaying the results of pcre_study() and we also need to know about the
+internal macros, structures, and other internal data values; pcretest has
+"inside information" compared to a program that strictly follows the PCRE API.
+Although pcre_internal.h does itself include pcre.h, we explicitly include it
+here before pcre_internal.h so that the PCRE_EXP_xxx macros get set
+appropriately for an application, not for building PCRE. */
+#include "pcre.h"
+#include "pcre_internal.h"
+/* We need access to some of the data tables that PCRE uses. So as not to have
+to keep two copies, we include the source file here, changing the names of the
+external symbols to prevent clashes. */
+#define _pcre_ucp_gentype      ucp_gentype
+#define _pcre_utf8_table1      utf8_table1
+#define _pcre_utf8_table1_size utf8_table1_size
+#define _pcre_utf8_table2      utf8_table2
+#define _pcre_utf8_table3      utf8_table3
+#define _pcre_utf8_table4      utf8_table4
+#define _pcre_utt              utt
+#define _pcre_utt_size         utt_size
+#define _pcre_utt_names        utt_names
+#define _pcre_OP_lengths       OP_lengths
+#include "pcre_tables.c"
+/* We also need the pcre_printint() function for printing out compiled
+patterns. This function is in a separate file so that it can be included in
+pcre_compile.c when that module is compiled with debugging enabled.
+The definition of the macro PRINTABLE, which determines whether to print an
+output character as-is or as a hex value when showing compiled patterns, is
+contained in this file. We uses it here also, in cases when the locale has not
+been explicitly changed, so as to get consistent output from systems that
+differ in their output from isprint() even in the "C" locale. */
+#include "pcre_printint.src"
+#define PRINTHEX(c) (locale_set? isprint(c) : PRINTABLE(c))
+/* It is possible to compile this test program without including support for
+testing the POSIX interface, though this is not available via the standard
+Makefile. */
+#if !defined NOPOSIX
+#include "pcreposix.h"
+#endif
+/* It is also possible, for the benefit of the version currently imported into
+Exim, to build pcretest without support for UTF8 (define NOUTF8), without the
+interface to the DFA matcher (NODFA), and without the doublecheck of the old
+"info" function (define NOINFOCHECK). In fact, we automatically cut out the
+UTF8 support if PCRE is built without it. */
+#ifndef SUPPORT_UTF8
+#ifndef NOUTF8
+#define NOUTF8
+#endif
+#endif
+/* Other parameters */
+#ifndef CLOCKS_PER_SEC
+#ifdef CLK_TCK
+#define CLOCKS_PER_SEC CLK_TCK
+#else
+#define CLOCKS_PER_SEC 100
+#endif
+#endif
+/* This is the default loop count for timing. */
+#define LOOPREPEAT 500000
+/* Static variables */
+static FILE *outfile;
+static int log_store = 0;
+static int callout_count;
+static int callout_extra;
+static int callout_fail_count;
+static int callout_fail_id;
+static int debug_lengths;
+static int first_callout;
+static int locale_set = 0;
+static int show_malloc;
+static int use_utf8;
+static size_t gotten_store;
+/* The buffers grow automatically if very long input lines are encountered. */
+static int buffer_size = 50000;
+static uschar *buffer = NULL;
+static uschar *dbuffer = NULL;
+static uschar *pbuffer = NULL;
+/*************************************************
+*        Read or extend an input line            *
+*************************************************/
+/* Input lines are read into buffer, but both patterns and data lines can be
+continued over multiple input lines. In addition, if the buffer fills up, we
+want to automatically expand it so as to be able to handle extremely large
+lines that are needed for certain stress tests. When the input buffer is
+expanded, the other two buffers must also be expanded likewise, and the
+contents of pbuffer, which are a copy of the input for callouts, must be
+preserved (for when expansion happens for a data line). This is not the most
+optimal way of handling this, but hey, this is just a test program!
+Arguments:
+f            the file to read
+start        where in buffer to start (this *must* be within buffer)
+prompt       for stdin or readline()
+Returns:       pointer to the start of new data
+could be a copy of start, or could be moved
+NULL if no data read and EOF reached
+*/
+static uschar *
+extend_inputline(FILE *f, uschar *start, const char *prompt)
+{
+uschar *here = start;
+for (;;)
+{
+int rlen = buffer_size - (here - buffer);
+if (rlen > 1000)
+{
+int dlen;
+/* If libreadline support is required, use readline() to read a line if the
+input is a terminal. Note that readline() removes the trailing newline, so
+we must put it back again, to be compatible with fgets(). */
+#ifdef SUPPORT_LIBREADLINE
+if (isatty(fileno(f)))
+{
+size_t len;
+char *s = readline(prompt);
+if (s == NULL) return (here == start)? NULL : start;
+len = strlen(s);
+if (len > 0) add_history(s);
+if (len > rlen - 1) len = rlen - 1;
+memcpy(here, s, len);
+here[len] = '\n';
+here[len+1] = 0;
+free(s);
+}
+else
+#endif
+/* Read the next line by normal means, prompting if the file is stdin. */
+{
+if (f == stdin) printf(prompt);
+if (fgets((char *)here, rlen,  f) == NULL)
+return (here == start)? NULL : start;
+}
+dlen = (int)strlen((char *)here);
+if (dlen > 0 && here[dlen - 1] == '\n') return start;
+here += dlen;
+}
+else
+{
+int new_buffer_size = 2*buffer_size;
+uschar *new_buffer = (unsigned char *)malloc(new_buffer_size);
+uschar *new_dbuffer = (unsigned char *)malloc(new_buffer_size);
+uschar *new_pbuffer = (unsigned char *)malloc(new_buffer_size);
+if (new_buffer == NULL || new_dbuffer == NULL || new_pbuffer == NULL)
+{
+fprintf(stderr, "pcretest: malloc(%d) failed\n", new_buffer_size);
+exit(1);
+}
+memcpy(new_buffer, buffer, buffer_size);
+memcpy(new_pbuffer, pbuffer, buffer_size);
+buffer_size = new_buffer_size;
+start = new_buffer + (start - buffer);
+here = new_buffer + (here - buffer);
+free(buffer);
+free(dbuffer);
+free(pbuffer);
+buffer = new_buffer;
+dbuffer = new_dbuffer;
+pbuffer = new_pbuffer;
+}
+}
+return NULL;  /* Control never gets here */
+}
+/*************************************************
+*          Read number from string               *
+*************************************************/
+/* We don't use strtoul() because SunOS4 doesn't have it. Rather than mess
+around with conditional compilation, just do the job by hand. It is only used
+for unpicking arguments, so just keep it simple.
+Arguments:
+str           string to be converted
+endptr        where to put the end pointer
+Returns:        the unsigned long
+*/
+static int
+get_value(unsigned char *str, unsigned char **endptr)
+{
+int result = 0;
+while(*str != 0 && isspace(*str)) str++;
+while (isdigit(*str)) result = result * 10 + (int)(*str++ - '0');
+*endptr = str;
+return(result);
+}
+/*************************************************
+*            Convert UTF-8 string to value       *
+*************************************************/
+/* This function takes one or more bytes that represents a UTF-8 character,
+and returns the value of the character.
+Argument:
+utf8bytes   a pointer to the byte vector
+vptr        a pointer to an int to receive the value
+Returns:      >  0 => the number of bytes consumed
+-6 to 0 => malformed UTF-8 character at offset = (-return)
+*/
+#if !defined NOUTF8
+static int
+utf82ord(unsigned char *utf8bytes, int *vptr)
+{
+int c = *utf8bytes++;
+int d = c;
+int i, j, s;
+for (i = -1; i < 6; i++)               /* i is number of additional bytes */
+{
+if ((d & 0x80) == 0) break;
+d <<= 1;
+}
+if (i == -1) { *vptr = c; return 1; }  /* ascii character */
+if (i == 0 || i == 6) return 0;        /* invalid UTF-8 */
+/* i now has a value in the range 1-5 */
+s = 6*i;
+d = (c & utf8_table3[i]) << s;
+for (j = 0; j < i; j++)
+{
+c = *utf8bytes++;
+if ((c & 0xc0) != 0x80) return -(j+1);
+s -= 6;
+d |= (c & 0x3f) << s;
+}
+/* Check that encoding was the correct unique one */
+for (j = 0; j < utf8_table1_size; j++)
+if (d <= utf8_table1[j]) break;
+if (j != i) return -(i+1);
+/* Valid value */
+*vptr = d;
+return i+1;
+}
+#endif
+/*************************************************
+*       Convert character value to UTF-8         *
+*************************************************/
+/* This function takes an integer value in the range 0 - 0x7fffffff
+and encodes it as a UTF-8 character in 0 to 6 bytes.
+Arguments:
+cvalue     the character value
+utf8bytes  pointer to buffer for result - at least 6 bytes long
+Returns:     number of characters placed in the buffer
+*/
+#if !defined NOUTF8
+static int
+ord2utf8(int cvalue, uschar *utf8bytes)
+{
+register int i, j;
+for (i = 0; i < utf8_table1_size; i++)
+if (cvalue <= utf8_table1[i]) break;
+utf8bytes += i;
+for (j = i; j > 0; j--)
+{
+*utf8bytes-- = 0x80 | (cvalue & 0x3f);
+cvalue >>= 6;
+}
+*utf8bytes = utf8_table2[i] | cvalue;
+return i + 1;
+}
+#endif
+/*************************************************
+*             Print character string             *
+*************************************************/
+/* Character string printing function. Must handle UTF-8 strings in utf8
+mode. Yields number of characters printed. If handed a NULL file, just counts
+chars without printing. */
+static int pchars(unsigned char *p, int length, FILE *f)
+{
+int c = 0;
+int yield = 0;
+while (length-- > 0)
+{
+#if !defined NOUTF8
+if (use_utf8)
+{
+int rc = utf82ord(p, &c);
+if (rc > 0 && rc <= length + 1)   /* Mustn't run over the end */
+{
+length -= rc - 1;
+p += rc;
+if (PRINTHEX(c))
+{
+if (f != NULL) fprintf(f, "%c", c);
+yield++;
+}
+else
+{
+int n = 4;
+if (f != NULL) fprintf(f, "\\x{%02x}", c);
+yield += (n <= 0x000000ff)? 2 :
+(n <= 0x00000fff)? 3 :
+(n <= 0x0000ffff)? 4 :
+(n <= 0x000fffff)? 5 : 6;
+}
+continue;
+}
+}
+#endif
+/* Not UTF-8, or malformed UTF-8  */
+c = *p++;
+if (PRINTHEX(c))
+{
+if (f != NULL) fprintf(f, "%c", c);
+yield++;
+}
+else
+{
+if (f != NULL) fprintf(f, "\\x%02x", c);
+yield += 4;
+}
+}
+return yield;
+}
+/*************************************************
+*              Callout function                  *
+*************************************************/
+/* Called from PCRE as a result of the (?C) item. We print out where we are in
+the match. Yield zero unless more callouts than the fail count, or the callout
+data is not zero. */
+static int callout(pcre_callout_block *cb)
+{
+FILE *f = (first_callout | callout_extra)? outfile : NULL;
+int i, pre_start, post_start, subject_length;
+if (callout_extra)
+{
+fprintf(f, "Callout %d: last capture = %d\n",
+cb->callout_number, cb->capture_last);
+for (i = 0; i < cb->capture_top * 2; i += 2)
+{
+if (cb->offset_vector[i] < 0)
+fprintf(f, "%2d: <unset>\n", i/2);
+else
+{
+fprintf(f, "%2d: ", i/2);
+(void)pchars((unsigned char *)cb->subject + cb->offset_vector[i],
+cb->offset_vector[i+1] - cb->offset_vector[i], f);
+fprintf(f, "\n");
+}
+}
+}
+/* Re-print the subject in canonical form, the first time or if giving full
+datails. On subsequent calls in the same match, we use pchars just to find the
+printed lengths of the substrings. */
+if (f != NULL) fprintf(f, "--->");
+pre_start = pchars((unsigned char *)cb->subject, cb->start_match, f);
+post_start = pchars((unsigned char *)(cb->subject + cb->start_match),
+cb->current_position - cb->start_match, f);
+subject_length = pchars((unsigned char *)cb->subject, cb->subject_length, NULL);
+(void)pchars((unsigned char *)(cb->subject + cb->current_position),
+cb->subject_length - cb->current_position, f);
+if (f != NULL) fprintf(f, "\n");
+/* Always print appropriate indicators, with callout number if not already
+shown. For automatic callouts, show the pattern offset. */
+if (cb->callout_number == 255)
+{
+fprintf(outfile, "%+3d ", cb->pattern_position);
+if (cb->pattern_position > 99) fprintf(outfile, "\n    ");
+}
+else
+{
+if (callout_extra) fprintf(outfile, "    ");
+else fprintf(outfile, "%3d ", cb->callout_number);
+}
+for (i = 0; i < pre_start; i++) fprintf(outfile, " ");
+fprintf(outfile, "^");
+if (post_start > 0)
+{
+for (i = 0; i < post_start - 1; i++) fprintf(outfile, " ");
+fprintf(outfile, "^");
+}
+for (i = 0; i < subject_length - pre_start - post_start + 4; i++)
+fprintf(outfile, " ");
+fprintf(outfile, "%.*s", (cb->next_item_length == 0)? 1 : cb->next_item_length,
+pbuffer + cb->pattern_position);
+fprintf(outfile, "\n");
+first_callout = 0;
+if (cb->callout_data != NULL)
+{
+int callout_data = *((int *)(cb->callout_data));
+if (callout_data != 0)
+{
+fprintf(outfile, "Callout data = %d\n", callout_data);
+return callout_data;
+}
+}
+return (cb->callout_number != callout_fail_id)? 0 :
+(++callout_count >= callout_fail_count)? 1 : 0;
+}
+/*************************************************
+*            Local malloc functions              *
+*************************************************/
+/* Alternative malloc function, to test functionality and show the size of the
+compiled re. */
+static void *new_malloc(size_t size)
+{
+void *block = malloc(size);
+gotten_store = size;
+if (show_malloc)
+fprintf(outfile, "malloc       %3d %p\n", (int)size, block);
+return block;
+}
+static void new_free(void *block)
+{
+if (show_malloc)
+fprintf(outfile, "free             %p\n", block);
+free(block);
+}
+/* For recursion malloc/free, to test stacking calls */
+static void *stack_malloc(size_t size)
+{
+void *block = malloc(size);
+if (show_malloc)
+fprintf(outfile, "stack_malloc %3d %p\n", (int)size, block);
+return block;
+}
+static void stack_free(void *block)
+{
+if (show_malloc)
+fprintf(outfile, "stack_free       %p\n", block);
+free(block);
+}
+/*************************************************
+*          Call pcre_fullinfo()                  *
+*************************************************/
+/* Get one piece of information from the pcre_fullinfo() function */
+static void new_info(pcre *re, pcre_extra *study, int option, void *ptr)
+{
+int rc;
+if ((rc = pcre_fullinfo(re, study, option, ptr)) < 0)
+fprintf(outfile, "Error %d from pcre_fullinfo(%d)\n", rc, option);
+}
+/*************************************************
+*         Byte flipping function                 *
+*************************************************/
+static unsigned long int
+byteflip(unsigned long int value, int n)
+{
+if (n == 2) return ((value & 0x00ff) << 8) | ((value & 0xff00) >> 8);
+return ((value & 0x000000ff) << 24) |
+((value & 0x0000ff00) <<  8) |
+((value & 0x00ff0000) >>  8) |
+((value & 0xff000000) >> 24);
+}
+/*************************************************
+*        Check match or recursion limit          *
+*************************************************/
+static int
+check_match_limit(pcre *re, pcre_extra *extra, uschar *bptr, int len,
+int start_offset, int options, int *use_offsets, int use_size_offsets,
+int flag, unsigned long int *limit, int errnumber, const char *msg)
+{
+int count;
+int min = 0;
+int mid = 64;
+int max = -1;
+extra->flags |= flag;
+for (;;)
+{
+*limit = mid;
+count = pcre_exec(re, extra, (char *)bptr, len, start_offset, options,
+use_offsets, use_size_offsets);
+if (count == errnumber)
+{
+/* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
+min = mid;
+mid = (mid == max - 1)? max : (max > 0)? (min + max)/2 : mid*2;
+}
+else if (count >= 0 || count == PCRE_ERROR_NOMATCH ||
+count == PCRE_ERROR_PARTIAL)
+{
+if (mid == min + 1)
+{
+fprintf(outfile, "Minimum %s limit = %d\n", msg, mid);
+break;
+}
+/* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
+max = mid;
+mid = (min + mid)/2;
+}
+else break;    /* Some other error */
+}
+extra->flags &= ~flag;
+return count;
+}
+/*************************************************
+*         Case-independent strncmp() function    *
+*************************************************/
+/*
+Arguments:
+s         first string
+t         second string
+n         number of characters to compare
+Returns:    < 0, = 0, or > 0, according to the comparison
+*/
+static int
+strncmpic(uschar *s, uschar *t, int n)
+{
+while (n--)
+{
+int c = tolower(*s++) - tolower(*t++);
+if (c) return c;
+}
+return 0;
+}
+/*************************************************
+*         Check newline indicator                *
+*************************************************/
+/* This is used both at compile and run-time to check for <xxx> escapes, where
+xxx is LF, CR, CRLF, ANYCRLF, or ANY. Print a message and return 0 if there is
+no match.
+Arguments:
+p           points after the leading '<'
+f           file for error message
+Returns:      appropriate PCRE_NEWLINE_xxx flags, or 0
+*/
+static int
+check_newline(uschar *p, FILE *f)
+{
+if (strncmpic(p, (uschar *)"cr>", 3) == 0) return PCRE_NEWLINE_CR;
+if (strncmpic(p, (uschar *)"lf>", 3) == 0) return PCRE_NEWLINE_LF;
+if (strncmpic(p, (uschar *)"crlf>", 5) == 0) return PCRE_NEWLINE_CRLF;
+if (strncmpic(p, (uschar *)"anycrlf>", 8) == 0) return PCRE_NEWLINE_ANYCRLF;
+if (strncmpic(p, (uschar *)"any>", 4) == 0) return PCRE_NEWLINE_ANY;
+if (strncmpic(p, (uschar *)"bsr_anycrlf>", 12) == 0) return PCRE_BSR_ANYCRLF;
+if (strncmpic(p, (uschar *)"bsr_unicode>", 12) == 0) return PCRE_BSR_UNICODE;
+fprintf(f, "Unknown newline type at: <%s\n", p);
+return 0;
+}
+/*************************************************
+*             Usage function                     *
+*************************************************/
+static void
+usage(void)
+{
+printf("Usage:     pcretest [options] [<input file> [<output file>]]\n\n");
+printf("Input and output default to stdin and stdout.\n");
+#ifdef SUPPORT_LIBREADLINE
+printf("If input is a terminal, readline() is used to read from it.\n");
+#else
+printf("This version of pcretest is not linked with readline().\n");
+#endif
+printf("\nOptions:\n");
+printf("  -b       show compiled code (bytecode)\n");
+printf("  -C       show PCRE compile-time options and exit\n");
+printf("  -d       debug: show compiled code and information (-b and -i)\n");
+#if !defined NODFA
+printf("  -dfa     force DFA matching for all subjects\n");
+#endif
+printf("  -help    show usage information\n");
+printf("  -i       show information about compiled patterns\n"
+"  -m       output memory used information\n"
+"  -o <n>   set size of offsets vector to <n>\n");
+#if !defined NOPOSIX
+printf("  -p       use POSIX interface\n");
+#endif
+printf("  -q       quiet: do not output PCRE version number at start\n");
+printf("  -S <n>   set stack size to <n> megabytes\n");
+printf("  -s       output store (memory) used information\n"
+"  -t       time compilation and execution\n");
+printf("  -t <n>   time compilation and execution, repeating <n> times\n");
+printf("  -tm      time execution (matching) only\n");
+printf("  -tm <n>  time execution (matching) only, repeating <n> times\n");
+}
+/*************************************************
+*                Main Program                    *
+*************************************************/
+/* Read lines from named file or stdin and write to named file or stdout; lines
+consist of a regular expression, in delimiters and optionally followed by
+options, followed by a set of test data, terminated by an empty line. */
+int main(int argc, char **argv)
+{
+FILE *infile = stdin;
+int options = 0;
+int study_options = 0;
+int op = 1;
+int timeit = 0;
+int timeitm = 0;
+int showinfo = 0;
+int showstore = 0;
+int quiet = 0;
+int size_offsets = 45;
+int size_offsets_max;
+int *offsets = NULL;
+#if !defined NOPOSIX
+int posix = 0;
+#endif
+int debug = 0;
+int done = 0;
+int all_use_dfa = 0;
+int yield = 0;
+int stack_size;
+/* These vectors store, end-to-end, a list of captured substring names. Assume
+that 1024 is plenty long enough for the few names we'll be testing. */
+uschar copynames[1024];
+uschar getnames[1024];
+uschar *copynamesptr;
+uschar *getnamesptr;
+/* Get buffers from malloc() so that Electric Fence will check their misuse
+when I am debugging. They grow automatically when very long lines are read. */
+buffer = (unsigned char *)malloc(buffer_size);
+dbuffer = (unsigned char *)malloc(buffer_size);
+pbuffer = (unsigned char *)malloc(buffer_size);
+/* The outfile variable is static so that new_malloc can use it. */
+outfile = stdout;
+/* The following  _setmode() stuff is some Windows magic that tells its runtime
+library to translate CRLF into a single LF character. At least, that's what
+I've been told: never having used Windows I take this all on trust. Originally
+it set 0x8000, but then I was advised that _O_BINARY was better. */
+#if defined(_WIN32) || defined(WIN32)
+_setmode( _fileno( stdout ), _O_BINARY );
+#endif
+/* Scan options */
+while (argc > 1 && argv[op][0] == '-')
+{
+unsigned char *endptr;
+if (strcmp(argv[op], "-s") == 0 || strcmp(argv[op], "-m") == 0)
+showstore = 1;
+else if (strcmp(argv[op], "-q") == 0) quiet = 1;
+else if (strcmp(argv[op], "-b") == 0) debug = 1;
+else if (strcmp(argv[op], "-i") == 0) showinfo = 1;
+else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;
+#if !defined NODFA
+else if (strcmp(argv[op], "-dfa") == 0) all_use_dfa = 1;
+#endif
+else if (strcmp(argv[op], "-o") == 0 && argc > 2 &&
+((size_offsets = get_value((unsigned char *)argv[op+1], &endptr)),
+*endptr == 0))
+{
+op++;
+argc--;
+}
+else if (strcmp(argv[op], "-t") == 0 || strcmp(argv[op], "-tm") == 0)
+{
+int both = argv[op][2] == 0;
+int temp;
+if (argc > 2 && (temp = get_value((unsigned char *)argv[op+1], &endptr),
+*endptr == 0))
+{
+timeitm = temp;
+op++;
+argc--;
+}
+else timeitm = LOOPREPEAT;
+if (both) timeit = timeitm;
+}
+else if (strcmp(argv[op], "-S") == 0 && argc > 2 &&
+((stack_size = get_value((unsigned char *)argv[op+1], &endptr)),
+*endptr == 0))
+{
+#if defined(_WIN32) || defined(WIN32)
+printf("PCRE: -S not supported on this OS\n");
+exit(1);
+#else
+int rc;
+struct rlimit rlim;
+getrlimit(RLIMIT_STACK, &rlim);
+rlim.rlim_cur = stack_size * 1024 * 1024;
+rc = setrlimit(RLIMIT_STACK, &rlim);
+if (rc != 0)
+{
+printf("PCRE: setrlimit() failed with error %d\n", rc);
+exit(1);
+}
+op++;
+argc--;
+#endif
+}
+#if !defined NOPOSIX
+else if (strcmp(argv[op], "-p") == 0) posix = 1;
+#endif
+else if (strcmp(argv[op], "-C") == 0)
+{
+int rc;
+printf("PCRE version %s\n", pcre_version());
+printf("Compiled with\n");
+(void)pcre_config(PCRE_CONFIG_UTF8, &rc);
+printf("  %sUTF-8 support\n", rc? "" : "No ");
+(void)pcre_config(PCRE_CONFIG_UNICODE_PROPERTIES, &rc);
+printf("  %sUnicode properties support\n", rc? "" : "No ");
+(void)pcre_config(PCRE_CONFIG_NEWLINE, &rc);
+printf("  Newline sequence is %s\n", (rc == '\r')? "CR" :
+(rc == '\n')? "LF" : (rc == ('\r'<<8 | '\n'))? "CRLF" :
+(rc == -2)? "ANYCRLF" :
+(rc == -1)? "ANY" : "???");
+(void)pcre_config(PCRE_CONFIG_BSR, &rc);
+printf("  \\R matches %s\n", rc? "CR, LF, or CRLF only" :
+"all Unicode newlines");
+(void)pcre_config(PCRE_CONFIG_LINK_SIZE, &rc);
+printf("  Internal link size = %d\n", rc);
+(void)pcre_config(PCRE_CONFIG_POSIX_MALLOC_THRESHOLD, &rc);
+printf("  POSIX malloc threshold = %d\n", rc);
+(void)pcre_config(PCRE_CONFIG_MATCH_LIMIT, &rc);
+printf("  Default match limit = %d\n", rc);
+(void)pcre_config(PCRE_CONFIG_MATCH_LIMIT_RECURSION, &rc);
+printf("  Default recursion depth limit = %d\n", rc);
+(void)pcre_config(PCRE_CONFIG_STACKRECURSE, &rc);
+printf("  Match recursion uses %s\n", rc? "stack" : "heap");
+goto EXIT;
+}
+else if (strcmp(argv[op], "-help") == 0 ||
+strcmp(argv[op], "--help") == 0)
+{
+usage();
+goto EXIT;
+}
+else
+{
+printf("** Unknown or malformed option %s\n", argv[op]);
+usage();
+yield = 1;
+goto EXIT;
+}
+op++;
+argc--;
+}
+/* Get the store for the offsets vector, and remember what it was */
+size_offsets_max = size_offsets;
+offsets = (int *)malloc(size_offsets_max * sizeof(int));
+if (offsets == NULL)
+{
+printf("** Failed to get %d bytes of memory for offsets vector\n",
+(int)(size_offsets_max * sizeof(int)));
+yield = 1;
+goto EXIT;
+}
+/* Sort out the input and output files */
+if (argc > 1)
+{
+infile = fopen(argv[op], INPUT_MODE);
+if (infile == NULL)
+{
+printf("** Failed to open %s\n", argv[op]);
+yield = 1;
+goto EXIT;
+}
+}
+if (argc > 2)
+{
+outfile = fopen(argv[op+1], OUTPUT_MODE);
+if (outfile == NULL)
+{
+printf("** Failed to open %s\n", argv[op+1]);
+yield = 1;
+goto EXIT;
+}
+}
+/* Set alternative malloc function */
+pcre_malloc = new_malloc;
+pcre_free = new_free;
+pcre_stack_malloc = stack_malloc;
+pcre_stack_free = stack_free;
+/* Heading line unless quiet, then prompt for first regex if stdin */
+if (!quiet) fprintf(outfile, "PCRE version %s\n\n", pcre_version());
+/* Main loop */
+while (!done)
+{
+pcre *re = NULL;
+pcre_extra *extra = NULL;
+#if !defined NOPOSIX  /* There are still compilers that require no indent */
+regex_t preg;
+int do_posix = 0;
+#endif
+const char *error;
+unsigned char *p, *pp, *ppp;
+unsigned char *to_file = NULL;
+const unsigned char *tables = NULL;
+unsigned long int true_size, true_study_size = 0;
+size_t size, regex_gotten_store;
+int do_study = 0;
+int do_debug = debug;
+int do_G = 0;
+int do_g = 0;
+int do_showinfo = showinfo;
+int do_showrest = 0;
+int do_flip = 0;
+int erroroffset, len, delimiter, poffset;
+use_utf8 = 0;
+debug_lengths = 1;
+if (extend_inputline(infile, buffer, "  re> ") == NULL) break;
+if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
+fflush(outfile);
+p = buffer;
+while (isspace(*p)) p++;
+if (*p == 0) continue;
+/* See if the pattern is to be loaded pre-compiled from a file. */
+if (*p == '<' && strchr((char *)(p+1), '<') == NULL)
+{
+unsigned long int magic, get_options;
+uschar sbuf[8];
+FILE *f;
+p++;
+pp = p + (int)strlen((char *)p);
+while (isspace(pp[-1])) pp--;
+*pp = 0;
+f = fopen((char *)p, "rb");
+if (f == NULL)
+{
+fprintf(outfile, "Failed to open %s: %s\n", p, strerror(errno));
+continue;
+}
+if (fread(sbuf, 1, 8, f) != 8) goto FAIL_READ;
+true_size =
+(sbuf[0] << 24) | (sbuf[1] << 16) | (sbuf[2] << 8) | sbuf[3];
+true_study_size =
+(sbuf[4] << 24) | (sbuf[5] << 16) | (sbuf[6] << 8) | sbuf[7];
+re = (real_pcre *)new_malloc(true_size);
+regex_gotten_store = gotten_store;
+if (fread(re, 1, true_size, f) != true_size) goto FAIL_READ;
+magic = ((real_pcre *)re)->magic_number;
+if (magic != MAGIC_NUMBER)
+{
+if (byteflip(magic, sizeof(magic)) == MAGIC_NUMBER)
+{
+do_flip = 1;
+}
+else
+{
+fprintf(outfile, "Data in %s is not a compiled PCRE regex\n", p);
+fclose(f);
+continue;
+}
+}
+fprintf(outfile, "Compiled regex%s loaded from %s\n",
+do_flip? " (byte-inverted)" : "", p);
+/* Need to know if UTF-8 for printing data strings */
+new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
+use_utf8 = (get_options & PCRE_UTF8) != 0;
+/* Now see if there is any following study data */
+if (true_study_size != 0)
+{
+pcre_study_data *psd;
+extra = (pcre_extra *)new_malloc(sizeof(pcre_extra) + true_study_size);
+extra->flags = PCRE_EXTRA_STUDY_DATA;
+psd = (pcre_study_data *)(((char *)extra) + sizeof(pcre_extra));
+extra->study_data = psd;
+if (fread(psd, 1, true_study_size, f) != true_study_size)
+{
+FAIL_READ:
+fprintf(outfile, "Failed to read data from %s\n", p);
+if (extra != NULL) new_free(extra);
+if (re != NULL) new_free(re);
+fclose(f);
+continue;
+}
+fprintf(outfile, "Study data loaded from %s\n", p);
+do_study = 1;     /* To get the data output if requested */
+}
+else fprintf(outfile, "No study data\n");
+fclose(f);
+goto SHOW_INFO;
+}
+/* In-line pattern (the usual case). Get the delimiter and seek the end of
+the pattern; if is isn't complete, read more. */
+delimiter = *p++;
+if (isalnum(delimiter) || delimiter == '\\')
+{
+fprintf(outfile, "** Delimiter must not be alphanumeric or \\\n");
+goto SKIP_DATA;
+}
+pp = p;
+poffset = p - buffer;
+for(;;)
+{
+while (*pp != 0)
+{
+if (*pp == '\\' && pp[1] != 0) pp++;
+else if (*pp == delimiter) break;
+pp++;
+}
+if (*pp != 0) break;
+if ((pp = extend_inputline(infile, pp, "    > ")) == NULL)
+{
+fprintf(outfile, "** Unexpected EOF\n");
+done = 1;
+goto CONTINUE;
+}
+if (infile != stdin) fprintf(outfile, "%s", (char *)pp);
+}
+/* The buffer may have moved while being extended; reset the start of data
+pointer to the correct relative point in the buffer. */
+p = buffer + poffset;
+/* If the first character after the delimiter is backslash, make
+the pattern end with backslash. This is purely to provide a way
+of testing for the error message when a pattern ends with backslash. */
+if (pp[1] == '\\') *pp++ = '\\';
+/* Terminate the pattern at the delimiter, and save a copy of the pattern
+for callouts. */
+*pp++ = 0;
+strcpy((char *)pbuffer, (char *)p);
+/* Look for options after final delimiter */
+options = 0;
+study_options = 0;
+log_store = showstore;  /* default from command line */
+while (*pp != 0)
+{
+switch (*pp++)
+{
+case 'f': options |= PCRE_FIRSTLINE; break;
+case 'g': do_g = 1; break;
+case 'i': options |= PCRE_CASELESS; break;
+case 'm': options |= PCRE_MULTILINE; break;
+case 's': options |= PCRE_DOTALL; break;
+case 'x': options |= PCRE_EXTENDED; break;
+case '+': do_showrest = 1; break;
+case 'A': options |= PCRE_ANCHORED; break;
+case 'B': do_debug = 1; break;
+case 'C': options |= PCRE_AUTO_CALLOUT; break;
+case 'D': do_debug = do_showinfo = 1; break;
+case 'E': options |= PCRE_DOLLAR_ENDONLY; break;
+case 'F': do_flip = 1; break;
+case 'G': do_G = 1; break;
+case 'I': do_showinfo = 1; break;
+case 'J': options |= PCRE_DUPNAMES; break;
+case 'M': log_store = 1; break;
+case 'N': options |= PCRE_NO_AUTO_CAPTURE; break;
+#if !defined NOPOSIX
+case 'P': do_posix = 1; break;
+#endif
+case 'S': do_study = 1; break;
+case 'U': options |= PCRE_UNGREEDY; break;
+case 'X': options |= PCRE_EXTRA; break;
+case 'Z': debug_lengths = 0; break;
+case '8': options |= PCRE_UTF8; use_utf8 = 1; break;
+case '?': options |= PCRE_NO_UTF8_CHECK; break;
+case 'L':
+ppp = pp;
+/* The '\r' test here is so that it works on Windows. */
+/* The '0' test is just in case this is an unterminated line. */
+while (*ppp != 0 && *ppp != '\n' && *ppp != '\r' && *ppp != ' ') ppp++;
+*ppp = 0;
+if (setlocale(LC_CTYPE, (const char *)pp) == NULL)
+{
+fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);
+goto SKIP_DATA;
+}
+locale_set = 1;
+tables = pcre_maketables();
+pp = ppp;
+break;
+case '>':
+to_file = pp;
+while (*pp != 0) pp++;
+while (isspace(pp[-1])) pp--;
+*pp = 0;
+break;
+case '<':
+{
+if (strncmp((char *)pp, "JS>", 3) == 0)
+{
+options |= PCRE_JAVASCRIPT_COMPAT;
+pp += 3;
+}
+else
+{
+int x = check_newline(pp, outfile);
+if (x == 0) goto SKIP_DATA;
+options |= x;
+while (*pp++ != '>');
+}
+}
+break;
+case '\r':                      /* So that it works in Windows */
+case '\n':
+case ' ':
+break;
+default:
+fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);
+goto SKIP_DATA;
+}
+}
+/* Handle compiling via the POSIX interface, which doesn't support the
+timing, showing, or debugging options, nor the ability to pass over
+local character tables. */
+#if !defined NOPOSIX
+if (posix || do_posix)
+{
+int rc;
+int cflags = 0;
+if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;
+if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;
+if ((options & PCRE_DOTALL) != 0) cflags |= REG_DOTALL;
+if ((options & PCRE_NO_AUTO_CAPTURE) != 0) cflags |= REG_NOSUB;
+if ((options & PCRE_UTF8) != 0) cflags |= REG_UTF8;
+rc = regcomp(&preg, (char *)p, cflags);
+/* Compilation failed; go back for another re, skipping to blank line
+if non-interactive. */
+if (rc != 0)
+{
+(void)regerror(rc, &preg, (char *)buffer, buffer_size);
+fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);
+goto SKIP_DATA;
+}
+}
+/* Handle compiling via the native interface */
+else
+#endif  /* !defined NOPOSIX */
+{
+if (timeit > 0)
+{
+register int i;
+clock_t time_taken;
+clock_t start_time = clock();
+for (i = 0; i < timeit; i++)
+{
+re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
+if (re != NULL) free(re);
+}
+time_taken = clock() - start_time;
+fprintf(outfile, "Compile time %.4f milliseconds\n",
+(((double)time_taken * 1000.0) / (double)timeit) /
+(double)CLOCKS_PER_SEC);
+}
+re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
+/* Compilation failed; go back for another re, skipping to blank line
+if non-interactive. */
+if (re == NULL)
+{
+fprintf(outfile, "Failed: %s at offset %d\n", error, erroroffset);
+SKIP_DATA:
+if (infile != stdin)
+{
+for (;;)
+{
+if (extend_inputline(infile, buffer, NULL) == NULL)
+{
+done = 1;
+goto CONTINUE;
+}
+len = (int)strlen((char *)buffer);
+while (len > 0 && isspace(buffer[len-1])) len--;
+if (len == 0) break;
+}
+fprintf(outfile, "\n");
+}
+goto CONTINUE;
+}
+/* Compilation succeeded; print data if required. There are now two
+info-returning functions. The old one has a limited interface and
+returns only limited data. Check that it agrees with the newer one. */
+if (log_store)
+fprintf(outfile, "Memory allocation (code space): %d\n",
+(int)(gotten_store -
+sizeof(real_pcre) -
+((real_pcre *)re)->name_count * ((real_pcre *)re)->name_entry_size));
+/* Extract the size for possible writing before possibly flipping it,
+and remember the store that was got. */
+true_size = ((real_pcre *)re)->size;
+regex_gotten_store = gotten_store;
+/* If /S was present, study the regexp to generate additional info to
+help with the matching. */
+if (do_study)
+{
+if (timeit > 0)
+{
+register int i;
+clock_t time_taken;
+clock_t start_time = clock();
+for (i = 0; i < timeit; i++)
+extra = pcre_study(re, study_options, &error);
+time_taken = clock() - start_time;
+if (extra != NULL) free(extra);
+fprintf(outfile, "  Study time %.4f milliseconds\n",
+(((double)time_taken * 1000.0) / (double)timeit) /
+(double)CLOCKS_PER_SEC);
+}
+extra = pcre_study(re, study_options, &error);
+if (error != NULL)
+fprintf(outfile, "Failed to study: %s\n", error);
+else if (extra != NULL)
+true_study_size = ((pcre_study_data *)(extra->study_data))->size;
+}
+/* If the 'F' option was present, we flip the bytes of all the integer
+fields in the regex data block and the study block. This is to make it
+possible to test PCRE's handling of byte-flipped patterns, e.g. those
+compiled on a different architecture. */
+if (do_flip)
+{
+real_pcre *rre = (real_pcre *)re;
+rre->magic_number =
+byteflip(rre->magic_number, sizeof(rre->magic_number));
+rre->size = byteflip(rre->size, sizeof(rre->size));
+rre->options = byteflip(rre->options, sizeof(rre->options));
+rre->flags = (pcre_uint16)byteflip(rre->flags, sizeof(rre->flags));
+rre->top_bracket =
+(pcre_uint16)byteflip(rre->top_bracket, sizeof(rre->top_bracket));
+rre->top_backref =
+(pcre_uint16)byteflip(rre->top_backref, sizeof(rre->top_backref));
+rre->first_byte =
+(pcre_uint16)byteflip(rre->first_byte, sizeof(rre->first_byte));
+rre->req_byte =
+(pcre_uint16)byteflip(rre->req_byte, sizeof(rre->req_byte));
+rre->name_table_offset = (pcre_uint16)byteflip(rre->name_table_offset,
+sizeof(rre->name_table_offset));
+rre->name_entry_size = (pcre_uint16)byteflip(rre->name_entry_size,
+sizeof(rre->name_entry_size));
+rre->name_count = (pcre_uint16)byteflip(rre->name_count,
+sizeof(rre->name_count));
+if (extra != NULL)
+{
+pcre_study_data *rsd = (pcre_study_data *)(extra->study_data);
+rsd->size = byteflip(rsd->size, sizeof(rsd->size));
+rsd->options = byteflip(rsd->options, sizeof(rsd->options));
+}
+}
+/* Extract information from the compiled data if required */
+SHOW_INFO:
+if (do_debug)
+{
+fprintf(outfile, "------------------------------------------------------------------\n");
+pcre_printint(re, outfile, debug_lengths);
+}
+if (do_showinfo)
+{
+unsigned long int get_options, all_options;
+#if !defined NOINFOCHECK
+int old_first_char, old_options, old_count;
+#endif
+int count, backrefmax, first_char, need_char, okpartial, jchanged,
+hascrorlf;
+int nameentrysize, namecount;
+const uschar *nametable;
+new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
+new_info(re, NULL, PCRE_INFO_SIZE, &size);
+new_info(re, NULL, PCRE_INFO_CAPTURECOUNT, &count);
+new_info(re, NULL, PCRE_INFO_BACKREFMAX, &backrefmax);
+new_info(re, NULL, PCRE_INFO_FIRSTBYTE, &first_char);
+new_info(re, NULL, PCRE_INFO_LASTLITERAL, &need_char);
+new_info(re, NULL, PCRE_INFO_NAMEENTRYSIZE, &nameentrysize);
+new_info(re, NULL, PCRE_INFO_NAMECOUNT, &namecount);
+new_info(re, NULL, PCRE_INFO_NAMETABLE, (void *)&nametable);
+new_info(re, NULL, PCRE_INFO_OKPARTIAL, &okpartial);
+new_info(re, NULL, PCRE_INFO_JCHANGED, &jchanged);
+new_info(re, NULL, PCRE_INFO_HASCRORLF, &hascrorlf);
+#if !defined NOINFOCHECK
+old_count = pcre_info(re, &old_options, &old_first_char);
+if (count < 0) fprintf(outfile,
+"Error %d from pcre_info()\n", count);
+else
+{
+if (old_count != count) fprintf(outfile,
+"Count disagreement: pcre_fullinfo=%d pcre_info=%d\n", count,
+old_count);
+if (old_first_char != first_char) fprintf(outfile,
+"First char disagreement: pcre_fullinfo=%d pcre_info=%d\n",
+first_char, old_first_char);
+if (old_options != (int)get_options) fprintf(outfile,
+"Options disagreement: pcre_fullinfo=%ld pcre_info=%d\n",
+get_options, old_options);
+}
+#endif
+if (size != regex_gotten_store) fprintf(outfile,
+"Size disagreement: pcre_fullinfo=%d call to malloc for %d\n",
+(int)size, (int)regex_gotten_store);
+fprintf(outfile, "Capturing subpattern count = %d\n", count);
+if (backrefmax > 0)
+fprintf(outfile, "Max back reference = %d\n", backrefmax);
+if (namecount > 0)
+{
+fprintf(outfile, "Named capturing subpatterns:\n");
+while (namecount-- > 0)
+{
+fprintf(outfile, "  %s %*s%3d\n", nametable + 2,
+nameentrysize - 3 - (int)strlen((char *)nametable + 2), "",
+GET2(nametable, 0));
+nametable += nameentrysize;
+}
+}
+if (!okpartial) fprintf(outfile, "Partial matching not supported\n");
+if (hascrorlf) fprintf(outfile, "Contains explicit CR or LF match\n");
+all_options = ((real_pcre *)re)->options;
+if (do_flip) all_options = byteflip(all_options, sizeof(all_options));
+if (get_options == 0) fprintf(outfile, "No options\n");
+else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
+((get_options & PCRE_ANCHORED) != 0)? " anchored" : "",
+((get_options & PCRE_CASELESS) != 0)? " caseless" : "",
+((get_options & PCRE_EXTENDED) != 0)? " extended" : "",
+((get_options & PCRE_MULTILINE) != 0)? " multiline" : "",
+((get_options & PCRE_FIRSTLINE) != 0)? " firstline" : "",
+((get_options & PCRE_DOTALL) != 0)? " dotall" : "",
+((get_options & PCRE_BSR_ANYCRLF) != 0)? " bsr_anycrlf" : "",
+((get_options & PCRE_BSR_UNICODE) != 0)? " bsr_unicode" : "",
+((get_options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",
+((get_options & PCRE_EXTRA) != 0)? " extra" : "",
+((get_options & PCRE_UNGREEDY) != 0)? " ungreedy" : "",
+((get_options & PCRE_NO_AUTO_CAPTURE) != 0)? " no_auto_capture" : "",
+((get_options & PCRE_UTF8) != 0)? " utf8" : "",
+((get_options & PCRE_NO_UTF8_CHECK) != 0)? " no_utf8_check" : "",
+((get_options & PCRE_DUPNAMES) != 0)? " dupnames" : "");
+if (jchanged) fprintf(outfile, "Duplicate name status changes\n");
+switch (get_options & PCRE_NEWLINE_BITS)
+{
+case PCRE_NEWLINE_CR:
+fprintf(outfile, "Forced newline sequence: CR\n");
+break;
+case PCRE_NEWLINE_LF:
+fprintf(outfile, "Forced newline sequence: LF\n");
+break;
+case PCRE_NEWLINE_CRLF:
+fprintf(outfile, "Forced newline sequence: CRLF\n");
+break;
+case PCRE_NEWLINE_ANYCRLF:
+fprintf(outfile, "Forced newline sequence: ANYCRLF\n");
+break;
+case PCRE_NEWLINE_ANY:
+fprintf(outfile, "Forced newline sequence: ANY\n");
+break;
+default:
+break;
+}
+if (first_char == -1)
+{
+fprintf(outfile, "First char at start or follows newline\n");
+}
+else if (first_char < 0)
+{
+fprintf(outfile, "No first char\n");
+}
+else
+{
+int ch = first_char & 255;
+const char *caseless = ((first_char & REQ_CASELESS) == 0)?
+"" : " (caseless)";
+if (PRINTHEX(ch))
+fprintf(outfile, "First char = \'%c\'%s\n", ch, caseless);
+else
+fprintf(outfile, "First char = %d%s\n", ch, caseless);
+}
+if (need_char < 0)
+{
+fprintf(outfile, "No need char\n");
+}
+else
+{
+int ch = need_char & 255;
+const char *caseless = ((need_char & REQ_CASELESS) == 0)?
+"" : " (caseless)";
+if (PRINTHEX(ch))
+fprintf(outfile, "Need char = \'%c\'%s\n", ch, caseless);
+else
+fprintf(outfile, "Need char = %d%s\n", ch, caseless);
+}
+/* Don't output study size; at present it is in any case a fixed
+value, but it varies, depending on the computer architecture, and
+so messes up the test suite. (And with the /F option, it might be
+flipped.) */
+if (do_study)
+{
+if (extra == NULL)
+fprintf(outfile, "Study returned NULL\n");
+else
+{
+uschar *start_bits = NULL;
+new_info(re, extra, PCRE_INFO_FIRSTTABLE, &start_bits);
+if (start_bits == NULL)
+fprintf(outfile, "No starting byte set\n");
+else
+{
+int i;
+int c = 24;
+fprintf(outfile, "Starting byte set: ");
+for (i = 0; i < 256; i++)
+{
+if ((start_bits[i/8] & (1<<(i&7))) != 0)
+{
+if (c > 75)
+{
+fprintf(outfile, "\n  ");
+c = 2;
+}
+if (PRINTHEX(i) && i != ' ')
+{
+fprintf(outfile, "%c ", i);
+c += 2;
+}
+else
+{
+fprintf(outfile, "\\x%02x ", i);
+c += 5;
+}
+}
+}
+fprintf(outfile, "\n");
+}
+}
+}
+}
+/* If the '>' option was present, we write out the regex to a file, and
+that is all. The first 8 bytes of the file are the regex length and then
+the study length, in big-endian order. */
+if (to_file != NULL)
+{
+FILE *f = fopen((char *)to_file, "wb");
+if (f == NULL)
+{
+fprintf(outfile, "Unable to open %s: %s\n", to_file, strerror(errno));
+}
+else
+{
+uschar sbuf[8];
+sbuf[0] = (uschar)((true_size >> 24) & 255);
+sbuf[1] = (uschar)((true_size >> 16) & 255);
+sbuf[2] = (uschar)((true_size >>  8) & 255);
+sbuf[3] = (uschar)((true_size) & 255);
+sbuf[4] = (uschar)((true_study_size >> 24) & 255);
+sbuf[5] = (uschar)((true_study_size >> 16) & 255);
+sbuf[6] = (uschar)((true_study_size >>  8) & 255);
+sbuf[7] = (uschar)((true_study_size) & 255);
+if (fwrite(sbuf, 1, 8, f) < 8 ||
+fwrite(re, 1, true_size, f) < true_size)
+{
+fprintf(outfile, "Write error on %s: %s\n", to_file, strerror(errno));
+}
+else
+{
+fprintf(outfile, "Compiled regex written to %s\n", to_file);
+if (extra != NULL)
+{
+if (fwrite(extra->study_data, 1, true_study_size, f) <
+true_study_size)
+{
+fprintf(outfile, "Write error on %s: %s\n", to_file,
+strerror(errno));
+}
+else fprintf(outfile, "Study data written to %s\n", to_file);
+}
+}
+fclose(f);
+}
+new_free(re);
+if (extra != NULL) new_free(extra);
+if (tables != NULL) new_free((void *)tables);
+continue;  /* With next regex */
+}
+}        /* End of non-POSIX compile */
+/* Read data lines and test them */
+for (;;)
+{
+uschar *q;
+uschar *bptr;
+int *use_offsets = offsets;
+int use_size_offsets = size_offsets;
+int callout_data = 0;
+int callout_data_set = 0;
+int count, c;
+int copystrings = 0;
+int find_match_limit = 0;
+int getstrings = 0;
+int getlist = 0;
+int gmatched = 0;
+int start_offset = 0;
+int g_notempty = 0;
+int use_dfa = 0;
+options = 0;
+*copynames = 0;
+*getnames = 0;
+copynamesptr = copynames;
+getnamesptr = getnames;
+pcre_callout = callout;
+first_callout = 1;
+callout_extra = 0;
+callout_count = 0;
+callout_fail_count = 999999;
+callout_fail_id = -1;
+show_malloc = 0;
+if (extra != NULL) extra->flags &=
+~(PCRE_EXTRA_MATCH_LIMIT|PCRE_EXTRA_MATCH_LIMIT_RECURSION);
+len = 0;
+for (;;)
+{
+if (extend_inputline(infile, buffer + len, "data> ") == NULL)
+{
+if (len > 0) break;
+done = 1;
+goto CONTINUE;
+}
+if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
+len = (int)strlen((char *)buffer);
+if (buffer[len-1] == '\n') break;
+}
+while (len > 0 && isspace(buffer[len-1])) len--;
+buffer[len] = 0;
+if (len == 0) break;
+p = buffer;
+while (isspace(*p)) p++;
+bptr = q = dbuffer;
+while ((c = *p++) != 0)
+{
+int i = 0;
+int n = 0;
+if (c == '\\') switch ((c = *p++))
+{
+case 'a': c =    7; break;
+case 'b': c = '\b'; break;
+case 'e': c =   27; break;
+case 'f': c = '\f'; break;
+case 'n': c = '\n'; break;
+case 'r': c = '\r'; break;
+case 't': c = '\t'; break;
+case 'v': c = '\v'; break;
+case '0': case '1': case '2': case '3':
+case '4': case '5': case '6': case '7':
+c -= '0';
+while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')
+c = c * 8 + *p++ - '0';
+#if !defined NOUTF8
+if (use_utf8 && c > 255)
+{
+unsigned char buff8[8];
+int ii, utn;
+utn = ord2utf8(c, buff8);
+for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
+c = buff8[ii];   /* Last byte */
+}
+#endif
+break;
+case 'x':
+/* Handle \x{..} specially - new Perl thing for utf8 */
+#if !defined NOUTF8
+if (*p == '{')
+{
+unsigned char *pt = p;
+c = 0;
+while (isxdigit(*(++pt)))
+c = c * 16 + tolower(*pt) - ((isdigit(*pt))? '0' : 'W');
+if (*pt == '}')
+{
+unsigned char buff8[8];
+int ii, utn;
+if (use_utf8)
+{
+utn = ord2utf8(c, buff8);
+for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
+c = buff8[ii];   /* Last byte */
+}
+else
+{
+if (c > 255)
+fprintf(outfile, "** Character \\x{%x} is greater than 255 and "
+"UTF-8 mode is not enabled.\n"
+"** Truncation will probably give the wrong result.\n", c);
+}
+p = pt + 1;
+break;
+}
+/* Not correct form; fall through */
+}
+#endif
+/* Ordinary \x */
+c = 0;
+while (i++ < 2 && isxdigit(*p))
+{
+c = c * 16 + tolower(*p) - ((isdigit(*p))? '0' : 'W');
+p++;
+}
+break;
+case 0:   /* \ followed by EOF allows for an empty line */
+p--;
+continue;
+case '>':
+while(isdigit(*p)) start_offset = start_offset * 10 + *p++ - '0';
+continue;
+case 'A':  /* Option setting */
+options |= PCRE_ANCHORED;
+continue;
+case 'B':
+options |= PCRE_NOTBOL;
+continue;
+case 'C':
+if (isdigit(*p))    /* Set copy string */
+{
+while(isdigit(*p)) n = n * 10 + *p++ - '0';
+copystrings |= 1 << n;
+}
+else if (isalnum(*p))
+{
+uschar *npp = copynamesptr;
+while (isalnum(*p)) *npp++ = *p++;
+*npp++ = 0;
+*npp = 0;
+n = pcre_get_stringnumber(re, (char *)copynamesptr);
+if (n < 0)
+fprintf(outfile, "no parentheses with name \"%s\"\n", copynamesptr);
+copynamesptr = npp;
+}
+else if (*p == '+')
+{
+callout_extra = 1;
+p++;
+}
+else if (*p == '-')
+{
+pcre_callout = NULL;
+p++;
+}
+else if (*p == '!')
+{
+callout_fail_id = 0;
+p++;
+while(isdigit(*p))
+callout_fail_id = callout_fail_id * 10 + *p++ - '0';
+callout_fail_count = 0;
+if (*p == '!')
+{
+p++;
+while(isdigit(*p))
+callout_fail_count = callout_fail_count * 10 + *p++ - '0';
+}
+}
+else if (*p == '*')
+{
+int sign = 1;
+callout_data = 0;
+if (*(++p) == '-') { sign = -1; p++; }
+while(isdigit(*p))
+callout_data = callout_data * 10 + *p++ - '0';
+callout_data *= sign;
+callout_data_set = 1;
+}
+continue;
+#if !defined NODFA
+case 'D':
+#if !defined NOPOSIX
+if (posix || do_posix)
+printf("** Can't use dfa matching in POSIX mode: \\D ignored\n");
+else
+#endif
+use_dfa = 1;
+continue;
+case 'F':
+options |= PCRE_DFA_SHORTEST;
+continue;
+#endif
+case 'G':
+if (isdigit(*p))
+{
+while(isdigit(*p)) n = n * 10 + *p++ - '0';
+getstrings |= 1 << n;
+}
+else if (isalnum(*p))
+{
+uschar *npp = getnamesptr;
+while (isalnum(*p)) *npp++ = *p++;
+*npp++ = 0;
+*npp = 0;
+n = pcre_get_stringnumber(re, (char *)getnamesptr);
+if (n < 0)
+fprintf(outfile, "no parentheses with name \"%s\"\n", getnamesptr);
+getnamesptr = npp;
+}
+continue;
+case 'L':
+getlist = 1;
+continue;
+case 'M':
+find_match_limit = 1;
+continue;
+case 'N':
+options |= PCRE_NOTEMPTY;
+continue;
+case 'O':
+while(isdigit(*p)) n = n * 10 + *p++ - '0';
+if (n > size_offsets_max)
+{
+size_offsets_max = n;
+free(offsets);
+use_offsets = offsets = (int *)malloc(size_offsets_max * sizeof(int));
+if (offsets == NULL)
+{
+printf("** Failed to get %d bytes of memory for offsets vector\n",
+(int)(size_offsets_max * sizeof(int)));
+yield = 1;
+goto EXIT;
+}
+}
+use_size_offsets = n;
+if (n == 0) use_offsets = NULL;   /* Ensures it can't write to it */
+continue;
+case 'P':
+options |= PCRE_PARTIAL;
+continue;
+case 'Q':
+while(isdigit(*p)) n = n * 10 + *p++ - '0';
+if (extra == NULL)
+{
+extra = (pcre_extra *)malloc(sizeof(pcre_extra));
+extra->flags = 0;
+}
+extra->flags |= PCRE_EXTRA_MATCH_LIMIT_RECURSION;
+extra->match_limit_recursion = n;
+continue;
+case 'q':
+while(isdigit(*p)) n = n * 10 + *p++ - '0';
+if (extra == NULL)
+{
+extra = (pcre_extra *)malloc(sizeof(pcre_extra));
+extra->flags = 0;
+}
+extra->flags |= PCRE_EXTRA_MATCH_LIMIT;
+extra->match_limit = n;
+continue;
+#if !defined NODFA
+case 'R':
+options |= PCRE_DFA_RESTART;
+continue;
+#endif
+case 'S':
+show_malloc = 1;
+continue;
+case 'Z':
+options |= PCRE_NOTEOL;
+continue;
+case '?':
+options |= PCRE_NO_UTF8_CHECK;
+continue;
+case '<':
+{
+int x = check_newline(p, outfile);
+if (x == 0) goto NEXT_DATA;
+options |= x;
+while (*p++ != '>');
+}
+continue;
+}
+*q++ = c;
+}
+*q = 0;
+len = q - dbuffer;
+/* Move the data to the end of the buffer so that a read over the end of
+the buffer will be seen by valgrind, even if it doesn't cause a crash. If
+we are using the POSIX interface, we must include the terminating zero. */
+#if !defined NOPOSIX
+if (posix || do_posix)
+{
+memmove(bptr + buffer_size - len - 1, bptr, len + 1);
+bptr += buffer_size - len - 1;
+}
+else
+#endif
+{
+memmove(bptr + buffer_size - len, bptr, len);
+bptr += buffer_size - len;
+}
+if ((all_use_dfa || use_dfa) && find_match_limit)
+{
+printf("**Match limit not relevant for DFA matching: ignored\n");
+find_match_limit = 0;
+}
+/* Handle matching via the POSIX interface, which does not
+support timing or playing with the match limit or callout data. */
+#if !defined NOPOSIX
+if (posix || do_posix)
+{
+int rc;
+int eflags = 0;
+regmatch_t *pmatch = NULL;
+if (use_size_offsets > 0)
+pmatch = (regmatch_t *)malloc(sizeof(regmatch_t) * use_size_offsets);
+if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;
+if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;
+rc = regexec(&preg, (const char *)bptr, use_size_offsets, pmatch, eflags);
+if (rc != 0)
+{
+(void)regerror(rc, &preg, (char *)buffer, buffer_size);
+fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);
+}
+else if ((((const pcre *)preg.re_pcre)->options & PCRE_NO_AUTO_CAPTURE)
+!= 0)
+{
+fprintf(outfile, "Matched with REG_NOSUB\n");
+}
+else
+{
+size_t i;
+for (i = 0; i < (size_t)use_size_offsets; i++)
+{
+if (pmatch[i].rm_so >= 0)
+{
+fprintf(outfile, "%2d: ", (int)i);
+(void)pchars(dbuffer + pmatch[i].rm_so,
+pmatch[i].rm_eo - pmatch[i].rm_so, outfile);
+fprintf(outfile, "\n");
+if (i == 0 && do_showrest)
+{
+fprintf(outfile, " 0+ ");
+(void)pchars(dbuffer + pmatch[i].rm_eo, len - pmatch[i].rm_eo,
+outfile);
+fprintf(outfile, "\n");
+}
+}
+}
+}
+free(pmatch);
+}
+/* Handle matching via the native interface - repeats for /g and /G */
+else
+#endif  /* !defined NOPOSIX */
+for (;; gmatched++)    /* Loop for /g or /G */
+{
+if (timeitm > 0)
+{
+register int i;
+clock_t time_taken;
+clock_t start_time = clock();
+#if !defined NODFA
+if (all_use_dfa || use_dfa)
+{
+int workspace[1000];
+for (i = 0; i < timeitm; i++)
+count = pcre_dfa_exec(re, NULL, (char *)bptr, len, start_offset,
+options | g_notempty, use_offsets, use_size_offsets, workspace,
+sizeof(workspace)/sizeof(int));
+}
+else
+#endif
+for (i = 0; i < timeitm; i++)
+count = pcre_exec(re, extra, (char *)bptr, len,
+start_offset, options | g_notempty, use_offsets, use_size_offsets);
+time_taken = clock() - start_time;
+fprintf(outfile, "Execute time %.4f milliseconds\n",
+(((double)time_taken * 1000.0) / (double)timeitm) /
+(double)CLOCKS_PER_SEC);
+}
+/* If find_match_limit is set, we want to do repeated matches with
+varying limits in order to find the minimum value for the match limit and
+for the recursion limit. */
+if (find_match_limit)
+{
+if (extra == NULL)
+{
+extra = (pcre_extra *)malloc(sizeof(pcre_extra));
+extra->flags = 0;
+}
+(void)check_match_limit(re, extra, bptr, len, start_offset,
+options|g_notempty, use_offsets, use_size_offsets,
+PCRE_EXTRA_MATCH_LIMIT, &(extra->match_limit),
+PCRE_ERROR_MATCHLIMIT, "match()");
+count = check_match_limit(re, extra, bptr, len, start_offset,
+options|g_notempty, use_offsets, use_size_offsets,
+PCRE_EXTRA_MATCH_LIMIT_RECURSION, &(extra->match_limit_recursion),
+PCRE_ERROR_RECURSIONLIMIT, "match() recursion");
+}
+/* If callout_data is set, use the interface with additional data */
+else if (callout_data_set)
+{
+if (extra == NULL)
+{
+extra = (pcre_extra *)malloc(sizeof(pcre_extra));
+extra->flags = 0;
+}
+extra->flags |= PCRE_EXTRA_CALLOUT_DATA;
+extra->callout_data = &callout_data;
+count = pcre_exec(re, extra, (char *)bptr, len, start_offset,
+options | g_notempty, use_offsets, use_size_offsets);
+extra->flags &= ~PCRE_EXTRA_CALLOUT_DATA;
+}
+/* The normal case is just to do the match once, with the default
+value of match_limit. */
+#if !defined NODFA
+else if (all_use_dfa || use_dfa)
+{
+int workspace[1000];
+count = pcre_dfa_exec(re, NULL, (char *)bptr, len, start_offset,
+options | g_notempty, use_offsets, use_size_offsets, workspace,
+sizeof(workspace)/sizeof(int));
+if (count == 0)
+{
+fprintf(outfile, "Matched, but too many subsidiary matches\n");
+count = use_size_offsets/2;
+}
+}
+#endif
+else
+{
+count = pcre_exec(re, extra, (char *)bptr, len,
+start_offset, options | g_notempty, use_offsets, use_size_offsets);
+if (count == 0)
+{
+fprintf(outfile, "Matched, but too many substrings\n");
+count = use_size_offsets/3;
+}
+}
+/* Matched */
+if (count >= 0)
+{
+int i, maxcount;
+#if !defined NODFA
+if (all_use_dfa || use_dfa) maxcount = use_size_offsets/2; else
+#endif
+maxcount = use_size_offsets/3;
+/* This is a check against a lunatic return value. */
+if (count > maxcount)
+{
+fprintf(outfile,
+"** PCRE error: returned count %d is too big for offset size %d\n",
+count, use_size_offsets);
+count = use_size_offsets/3;
+if (do_g || do_G)
+{
+fprintf(outfile, "** /%c loop abandoned\n", do_g? 'g' : 'G');
+do_g = do_G = FALSE;        /* Break g/G loop */
+}
+}
+for (i = 0; i < count * 2; i += 2)
+{
+if (use_offsets[i] < 0)
+fprintf(outfile, "%2d: <unset>\n", i/2);
+else
+{
+fprintf(outfile, "%2d: ", i/2);
+(void)pchars(bptr + use_offsets[i],
+use_offsets[i+1] - use_offsets[i], outfile);
+fprintf(outfile, "\n");
+if (i == 0)
+{
+if (do_showrest)
+{
+fprintf(outfile, " 0+ ");
+(void)pchars(bptr + use_offsets[i+1], len - use_offsets[i+1],
+outfile);
+fprintf(outfile, "\n");
+}
+}
+}
+}
+for (i = 0; i < 32; i++)
+{
+if ((copystrings & (1 << i)) != 0)
+{
+char copybuffer[256];
+int rc = pcre_copy_substring((char *)bptr, use_offsets, count,
+i, copybuffer, sizeof(copybuffer));
+if (rc < 0)
+fprintf(outfile, "copy substring %d failed %d\n", i, rc);
+else
+fprintf(outfile, "%2dC %s (%d)\n", i, copybuffer, rc);
+}
+}
+for (copynamesptr = copynames;
+*copynamesptr != 0;
+copynamesptr += (int)strlen((char*)copynamesptr) + 1)
+{
+char copybuffer[256];
+int rc = pcre_copy_named_substring(re, (char *)bptr, use_offsets,
+count, (char *)copynamesptr, copybuffer, sizeof(copybuffer));
+if (rc < 0)
+fprintf(outfile, "copy substring %s failed %d\n", copynamesptr, rc);
+else
+fprintf(outfile, "  C %s (%d) %s\n", copybuffer, rc, copynamesptr);
+}
+for (i = 0; i < 32; i++)
+{
+if ((getstrings & (1 << i)) != 0)
+{
+const char *substring;
+int rc = pcre_get_substring((char *)bptr, use_offsets, count,
+i, &substring);
+if (rc < 0)
+fprintf(outfile, "get substring %d failed %d\n", i, rc);
+else
+{
+fprintf(outfile, "%2dG %s (%d)\n", i, substring, rc);
+pcre_free_substring(substring);
+}
+}
+}
+for (getnamesptr = getnames;
+*getnamesptr != 0;
+getnamesptr += (int)strlen((char*)getnamesptr) + 1)
+{
+const char *substring;
+int rc = pcre_get_named_substring(re, (char *)bptr, use_offsets,
+count, (char *)getnamesptr, &substring);
+if (rc < 0)
+fprintf(outfile, "copy substring %s failed %d\n", getnamesptr, rc);
+else
+{
+fprintf(outfile, "  G %s (%d) %s\n", substring, rc, getnamesptr);
+pcre_free_substring(substring);
+}
+}
+if (getlist)
+{
+const char **stringlist;
+int rc = pcre_get_substring_list((char *)bptr, use_offsets, count,
+&stringlist);
+if (rc < 0)
+fprintf(outfile, "get substring list failed %d\n", rc);
+else
+{
+for (i = 0; i < count; i++)
+fprintf(outfile, "%2dL %s\n", i, stringlist[i]);
+if (stringlist[i] != NULL)
+fprintf(outfile, "string list not terminated by NULL\n");
+/* free((void *)stringlist); */
+pcre_free_substring_list(stringlist);
+}
+}
+}
+/* There was a partial match */
+else if (count == PCRE_ERROR_PARTIAL)
+{
+fprintf(outfile, "Partial match");
+#if !defined NODFA
+if ((all_use_dfa || use_dfa) && use_size_offsets > 2)
+fprintf(outfile, ": %.*s", use_offsets[1] - use_offsets[0],
+bptr + use_offsets[0]);
+#endif
+fprintf(outfile, "\n");
+break;  /* Out of the /g loop */
+}
+/* Failed to match. If this is a /g or /G loop and we previously set
+g_notempty after a null match, this is not necessarily the end. We want
+to advance the start offset, and continue. We won't be at the end of the
+string - that was checked before setting g_notempty.
+Complication arises in the case when the newline option is "any" or
+"anycrlf". If the previous match was at the end of a line terminated by
+CRLF, an advance of one character just passes the \r, whereas we should
+prefer the longer newline sequence, as does the code in pcre_exec().
+Fudge the offset value to achieve this.
+Otherwise, in the case of UTF-8 matching, the advance must be one
+character, not one byte. */
+else
+{
+if (g_notempty != 0)
+{
+int onechar = 1;
+unsigned int obits = ((real_pcre *)re)->options;
+use_offsets[0] = start_offset;
+if ((obits & PCRE_NEWLINE_BITS) == 0)
+{
+int d;
+(void)pcre_config(PCRE_CONFIG_NEWLINE, &d);
+obits = (d == '\r')? PCRE_NEWLINE_CR :
+(d == '\n')? PCRE_NEWLINE_LF :
+(d == ('\r'<<8 | '\n'))? PCRE_NEWLINE_CRLF :
+(d == -2)? PCRE_NEWLINE_ANYCRLF :
+(d == -1)? PCRE_NEWLINE_ANY : 0;
+}
+if (((obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANY ||
+(obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANYCRLF)
+&&
+start_offset < len - 1 &&
+bptr[start_offset] == '\r' &&
+bptr[start_offset+1] == '\n')
+onechar++;
+else if (use_utf8)
+{
+while (start_offset + onechar < len)
+{
+int tb = bptr[start_offset+onechar];
+if (tb <= 127) break;
+tb &= 0xc0;
+if (tb != 0 && tb != 0xc0) onechar++;
+}
+}
+use_offsets[1] = start_offset + onechar;
+}
+else
+{
+if (count == PCRE_ERROR_NOMATCH)
+{
+if (gmatched == 0) fprintf(outfile, "No match\n");
+}
+else fprintf(outfile, "Error %d\n", count);
+break;  /* Out of the /g loop */
+}
+}
+/* If not /g or /G we are done */
+if (!do_g && !do_G) break;
+/* If we have matched an empty string, first check to see if we are at
+the end of the subject. If so, the /g loop is over. Otherwise, mimic
+what Perl's /g options does. This turns out to be rather cunning. First
+we set PCRE_NOTEMPTY and PCRE_ANCHORED and try the match again at the
+same point. If this fails (picked up above) we advance to the next
+character. */
+g_notempty = 0;
+if (use_offsets[0] == use_offsets[1])
+{
+if (use_offsets[0] == len) break;
+g_notempty = PCRE_NOTEMPTY | PCRE_ANCHORED;
+}
+/* For /g, update the start offset, leaving the rest alone */
+if (do_g) start_offset = use_offsets[1];
+/* For /G, update the pointer and length */
+else
+{
+bptr += use_offsets[1];
+len -= use_offsets[1];
+}
+}  /* End of loop for /g and /G */
+NEXT_DATA: continue;
+}    /* End of loop for data lines */
+CONTINUE:
+#if !defined NOPOSIX
+if (posix || do_posix) regfree(&preg);
+#endif
+if (re != NULL) new_free(re);
+if (extra != NULL) new_free(extra);
+if (tables != NULL)
+{
+new_free((void *)tables);
+setlocale(LC_CTYPE, "C");
+locale_set = 0;
+}
+}
+if (infile == stdin) fprintf(outfile, "\n");
+EXIT:
+if (infile != NULL && infile != stdin) fclose(infile);
+if (outfile != NULL && outfile != stdout) fclose(outfile);
+free(buffer);
+free(dbuffer);
+free(pbuffer);
+free(offsets);
+return yield;
+}
+/* End of pcretest.c */