--- /dev/null
+/*************************************************
+* 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 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.
+-----------------------------------------------------------------------------
+*/
+
+
+#include <ctype.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <time.h>
+#include <locale.h>
+#include <errno.h>
+
+/* We need the internal info for displaying the results of pcre_study(). Also
+for getting the opcodes for showing compiled code. */
+
+#define PCRE_SPY /* For Win32 build, import data, not export */
+#include "internal.h"
+
+/* 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
+
+#ifndef CLOCKS_PER_SEC
+#ifdef CLK_TCK
+#define CLOCKS_PER_SEC CLK_TCK
+#else
+#define CLOCKS_PER_SEC 100
+#endif
+#endif
+
+#define LOOPREPEAT 500000
+
+#define BUFFER_SIZE 30000
+#define PBUFFER_SIZE BUFFER_SIZE
+#define DBUFFER_SIZE BUFFER_SIZE
+
+
+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 first_callout;
+static int show_malloc;
+static int use_utf8;
+static size_t gotten_store;
+
+static uschar *pbuffer = NULL;
+
+
+static const int utf8_table1[] = {
+ 0x0000007f, 0x000007ff, 0x0000ffff, 0x001fffff, 0x03ffffff, 0x7fffffff};
+
+static const int utf8_table2[] = {
+ 0, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc};
+
+static const int utf8_table3[] = {
+ 0xff, 0x1f, 0x0f, 0x07, 0x03, 0x01};
+
+
+
+/*************************************************
+* Print compiled regex *
+*************************************************/
+
+/* The code for doing this is held in a separate file that is also included in
+pcre.c when it is compiled with the debug switch. It defines a function called
+print_internals(), which uses a table of opcode lengths defined by the macro
+OP_LENGTHS, whose name must be OP_lengths. It also uses a table that translates
+Unicode property names to numbers; this is kept in a separate file. */
+
+static uschar OP_lengths[] = { OP_LENGTHS };
+
+#ifdef SUPPORT_UCP
+#include "ucp.h"
+#include "ucptypetable.c"
+#endif
+
+#include "printint.c"
+
+
+
+/*************************************************
+* 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 the -o argument, 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 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
+ buffer pointer to buffer for result - at least 6 bytes long
+
+Returns: number of characters placed in the buffer
+ -1 if input character is negative
+ 0 if input character is positive but too big (only when
+ int is longer than 32 bits)
+*/
+
+static int
+ord2utf8(int cvalue, unsigned char *buffer)
+{
+register int i, j;
+for (i = 0; i < sizeof(utf8_table1)/sizeof(int); i++)
+ if (cvalue <= utf8_table1[i]) break;
+if (i >= sizeof(utf8_table1)/sizeof(int)) return 0;
+if (cvalue < 0) return -1;
+
+buffer += i;
+for (j = i; j > 0; j--)
+ {
+ *buffer-- = 0x80 | (cvalue & 0x3f);
+ cvalue >>= 6;
+ }
+*buffer = utf8_table2[i] | cvalue;
+return i + 1;
+}
+
+
+/*************************************************
+* 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:
+ buffer 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)
+*/
+
+static int
+utf82ord(unsigned char *buffer, int *vptr)
+{
+int c = *buffer++;
+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 = *buffer++;
+ 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 < sizeof(utf8_table1)/sizeof(int); j++)
+ if (d <= utf8_table1[j]) break;
+if (j != i) return -(i+1);
+
+/* Valid value */
+
+*vptr = d;
+return i+1;
+}
+
+
+
+/*************************************************
+* 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;
+int yield = 0;
+
+while (length-- > 0)
+ {
+ 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 (c < 256 && isprint(c))
+ {
+ if (f != NULL) fprintf(f, "%c", c);
+ yield++;
+ }
+ else
+ {
+ int n;
+ if (f != NULL) fprintf(f, "\\x{%02x}%n", c, &n);
+ yield += n;
+ }
+ continue;
+ }
+ }
+
+ /* Not UTF-8, or malformed UTF-8 */
+
+ if (isprint(c = *(p++)))
+ {
+ 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 long int
+byteflip(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);
+}
+
+
+
+
+/*************************************************
+* 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 showinfo = 0;
+int showstore = 0;
+int size_offsets = 45;
+int size_offsets_max;
+int *offsets;
+#if !defined NOPOSIX
+int posix = 0;
+#endif
+int debug = 0;
+int done = 0;
+
+unsigned char *buffer;
+unsigned char *dbuffer;
+
+/* Get buffers from malloc() so that Electric Fence will check their misuse
+when I am debugging. */
+
+buffer = (unsigned char *)malloc(BUFFER_SIZE);
+dbuffer = (unsigned char *)malloc(DBUFFER_SIZE);
+pbuffer = (unsigned char *)malloc(PBUFFER_SIZE);
+
+/* The outfile variable is static so that new_malloc can use it. The _setmode()
+stuff is some magic that I don't understand, but which apparently does good
+things in Windows. It's related to line terminations. */
+
+#if defined(_WIN32) || defined(WIN32)
+_setmode( _fileno( stdout ), 0x8000 );
+#endif /* defined(_WIN32) || defined(WIN32) */
+
+outfile = stdout;
+
+/* 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], "-t") == 0) timeit = 1;
+ else if (strcmp(argv[op], "-i") == 0) showinfo = 1;
+ else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;
+ else if (strcmp(argv[op], "-o") == 0 && argc > 2 &&
+ ((size_offsets = get_value((unsigned char *)argv[op+1], &endptr)),
+ *endptr == 0))
+ {
+ op++;
+ argc--;
+ }
+#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 character is %s\n", (rc == '\r')? "CR" : "LF");
+ (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_STACKRECURSE, &rc);
+ printf(" Match recursion uses %s\n", rc? "stack" : "heap");
+ exit(0);
+ }
+ else
+ {
+ printf("** Unknown or malformed option %s\n", argv[op]);
+ printf("Usage: pcretest [-d] [-i] [-o <n>] [-p] [-s] [-t] [<input> [<output>]]\n");
+ printf(" -C show PCRE compile-time options and exit\n");
+ printf(" -d debug: show compiled code; implies -i\n"
+ " -i show information about compiled pattern\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(" -s output store (memory) used information\n"
+ " -t time compilation and execution\n");
+ return 1;
+ }
+ 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",
+ size_offsets_max * sizeof(int));
+ return 1;
+ }
+
+/* Sort out the input and output files */
+
+if (argc > 1)
+ {
+ infile = fopen(argv[op], "rb");
+ if (infile == NULL)
+ {
+ printf("** Failed to open %s\n", argv[op]);
+ return 1;
+ }
+ }
+
+if (argc > 2)
+ {
+ outfile = fopen(argv[op+1], "wb");
+ if (outfile == NULL)
+ {
+ printf("** Failed to open %s\n", argv[op+1]);
+ return 1;
+ }
+ }
+
+/* Set alternative malloc function */
+
+pcre_malloc = new_malloc;
+pcre_free = new_free;
+pcre_stack_malloc = stack_malloc;
+pcre_stack_free = stack_free;
+
+/* Heading line, then prompt for first regex if stdin */
+
+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;
+
+ use_utf8 = 0;
+
+ if (infile == stdin) printf(" re> ");
+ if (fgets((char *)buffer, BUFFER_SIZE, infile) == 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;
+ 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, &options);
+ use_utf8 = (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 alphameric or \\\n");
+ goto SKIP_DATA;
+ }
+
+ pp = p;
+
+ for(;;)
+ {
+ while (*pp != 0)
+ {
+ if (*pp == '\\' && pp[1] != 0) pp++;
+ else if (*pp == delimiter) break;
+ pp++;
+ }
+ if (*pp != 0) break;
+
+ len = BUFFER_SIZE - (pp - buffer);
+ if (len < 256)
+ {
+ fprintf(outfile, "** Expression too long - missing delimiter?\n");
+ goto SKIP_DATA;
+ }
+
+ if (infile == stdin) printf(" > ");
+ if (fgets((char *)pp, len, infile) == NULL)
+ {
+ fprintf(outfile, "** Unexpected EOF\n");
+ done = 1;
+ goto CONTINUE;
+ }
+ if (infile != stdin) fprintf(outfile, "%s", (char *)pp);
+ }
+
+ /* 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 '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 '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 '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 '8': options |= PCRE_UTF8; use_utf8 = 1; break;
+ case '?': options |= PCRE_NO_UTF8_CHECK; break;
+
+ case 'L':
+ ppp = pp;
+ while (*ppp != '\n' && *ppp != ' ') ppp++;
+ *ppp = 0;
+ if (setlocale(LC_CTYPE, (const char *)pp) == NULL)
+ {
+ fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);
+ goto SKIP_DATA;
+ }
+ tables = pcre_maketables();
+ pp = ppp;
+ break;
+
+ case '>':
+ to_file = pp;
+ while (*pp != 0) pp++;
+ while (isspace(pp[-1])) pp--;
+ *pp = 0;
+ break;
+
+ 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;
+ 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)
+ {
+ register int i;
+ clock_t time_taken;
+ clock_t start_time = clock();
+ for (i = 0; i < LOOPREPEAT; i++)
+ {
+ re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
+ if (re != NULL) free(re);
+ }
+ time_taken = clock() - start_time;
+ fprintf(outfile, "Compile time %.3f milliseconds\n",
+ (((double)time_taken * 1000.0) / (double)LOOPREPEAT) /
+ (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 (fgets((char *)buffer, BUFFER_SIZE, infile) == 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)
+ {
+ register int i;
+ clock_t time_taken;
+ clock_t start_time = clock();
+ for (i = 0; i < LOOPREPEAT; i++)
+ extra = pcre_study(re, study_options, &error);
+ time_taken = clock() - start_time;
+ if (extra != NULL) free(extra);
+ fprintf(outfile, " Study time %.3f milliseconds\n",
+ (((double)time_taken * 1000.0) / (double)LOOPREPEAT) /
+ (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->top_bracket = byteflip(rre->top_bracket, sizeof(rre->top_bracket));
+ rre->top_backref = byteflip(rre->top_backref, sizeof(rre->top_backref));
+ rre->first_byte = byteflip(rre->first_byte, sizeof(rre->first_byte));
+ rre->req_byte = byteflip(rre->req_byte, sizeof(rre->req_byte));
+ rre->name_table_offset = byteflip(rre->name_table_offset,
+ sizeof(rre->name_table_offset));
+ rre->name_entry_size = byteflip(rre->name_entry_size,
+ sizeof(rre->name_entry_size));
+ rre->name_count = 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_showinfo)
+ {
+ unsigned long int get_options, all_options;
+ int old_first_char, old_options, old_count;
+ int count, backrefmax, first_char, need_char;
+ int nameentrysize, namecount;
+ const uschar *nametable;
+
+ if (do_debug)
+ {
+ fprintf(outfile, "------------------------------------------------------------------\n");
+ print_internals(re, outfile);
+ }
+
+ 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);
+
+ 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);
+ }
+
+ 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;
+ }
+ }
+
+ /* The NOPARTIAL bit is a private bit in the options, so we have
+ to fish it out via out back door */
+
+ all_options = ((real_pcre *)re)->options;
+ if (do_flip)
+ {
+ all_options = byteflip(all_options, sizeof(all_options));
+ }
+
+ if ((all_options & PCRE_NOPARTIAL) != 0)
+ fprintf(outfile, "Partial matching not supported\n");
+
+ if (get_options == 0) fprintf(outfile, "No options\n");
+ else fprintf(outfile, "Options:%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_DOTALL) != 0)? " dotall" : "",
+ ((get_options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",
+ ((get_options & PCRE_EXTRA) != 0)? " extra" : "",
+ ((get_options & PCRE_UNGREEDY) != 0)? " ungreedy" : "",
+ ((get_options & PCRE_UTF8) != 0)? " utf8" : "",
+ ((get_options & PCRE_NO_UTF8_CHECK) != 0)? " no_utf8_check" : "");
+
+ if (((((real_pcre *)re)->options) & PCRE_ICHANGED) != 0)
+ fprintf(outfile, "Case state changes\n");
+
+ if (first_char == -1)
+ {
+ fprintf(outfile, "First char at start or follows \\n\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 (isprint(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 (isprint(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 (isprint(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] = (true_size >> 24) & 255;
+ sbuf[1] = (true_size >> 16) & 255;
+ sbuf[2] = (true_size >> 8) & 255;
+ sbuf[3] = (true_size) & 255;
+
+ sbuf[4] = (true_study_size >> 24) & 255;
+ sbuf[5] = (true_study_size >> 16) & 255;
+ sbuf[6] = (true_study_size >> 8) & 255;
+ sbuf[7] = (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);
+ }
+ continue; /* With next regex */
+ }
+ } /* End of non-POSIX compile */
+
+ /* Read data lines and test them */
+
+ for (;;)
+ {
+ unsigned char *q;
+ unsigned char *bptr = dbuffer;
+ 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;
+
+ options = 0;
+
+ pcre_callout = callout;
+ first_callout = 1;
+ callout_extra = 0;
+ callout_count = 0;
+ callout_fail_count = 999999;
+ callout_fail_id = -1;
+ show_malloc = 0;
+
+ if (infile == stdin) printf("data> ");
+ if (fgets((char *)buffer, BUFFER_SIZE, infile) == NULL)
+ {
+ done = 1;
+ goto CONTINUE;
+ }
+ if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
+
+ len = (int)strlen((char *)buffer);
+ while (len > 0 && isspace(buffer[len-1])) len--;
+ buffer[len] = 0;
+ if (len == 0) break;
+
+ p = buffer;
+ while (isspace(*p)) p++;
+
+ 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';
+ break;
+
+ case 'x':
+
+ /* Handle \x{..} specially - new Perl thing for utf8 */
+
+ 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;
+ utn = ord2utf8(c, buff8);
+ for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
+ c = buff8[ii]; /* Last byte */
+ p = pt + 1;
+ break;
+ }
+ /* Not correct form; fall through */
+ }
+
+ /* 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 name[256];
+ uschar *npp = name;
+ while (isalnum(*p)) *npp++ = *p++;
+ *npp = 0;
+ n = pcre_get_stringnumber(re, (char *)name);
+ if (n < 0)
+ fprintf(outfile, "no parentheses with name \"%s\"\n", name);
+ else copystrings |= 1 << n;
+ }
+ 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;
+
+ case 'G':
+ if (isdigit(*p))
+ {
+ while(isdigit(*p)) n = n * 10 + *p++ - '0';
+ getstrings |= 1 << n;
+ }
+ else if (isalnum(*p))
+ {
+ uschar name[256];
+ uschar *npp = name;
+ while (isalnum(*p)) *npp++ = *p++;
+ *npp = 0;
+ n = pcre_get_stringnumber(re, (char *)name);
+ if (n < 0)
+ fprintf(outfile, "no parentheses with name \"%s\"\n", name);
+ else getstrings |= 1 << n;
+ }
+ 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",
+ size_offsets_max * sizeof(int));
+ return 1;
+ }
+ }
+ 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 'S':
+ show_malloc = 1;
+ continue;
+
+ case 'Z':
+ options |= PCRE_NOTEOL;
+ continue;
+
+ case '?':
+ options |= PCRE_NO_UTF8_CHECK;
+ continue;
+ }
+ *q++ = c;
+ }
+ *q = 0;
+ len = q - dbuffer;
+
+ /* 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
+ {
+ 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 (timeit)
+ {
+ register int i;
+ clock_t time_taken;
+ clock_t start_time = clock();
+ for (i = 0; i < LOOPREPEAT; 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 %.3f milliseconds\n",
+ (((double)time_taken * 1000.0) / (double)LOOPREPEAT) /
+ (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. */
+
+ if (find_match_limit)
+ {
+ int min = 0;
+ int mid = 64;
+ int max = -1;
+
+ if (extra == NULL)
+ {
+ extra = (pcre_extra *)malloc(sizeof(pcre_extra));
+ extra->flags = 0;
+ }
+ extra->flags |= PCRE_EXTRA_MATCH_LIMIT;
+
+ for (;;)
+ {
+ extra->match_limit = mid;
+ count = pcre_exec(re, extra, (char *)bptr, len, start_offset,
+ options | g_notempty, use_offsets, use_size_offsets);
+ if (count == PCRE_ERROR_MATCHLIMIT)
+ {
+ /* fprintf(outfile, "Testing match limit = %d\n", 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 match limit = %d\n", mid);
+ break;
+ }
+ /* fprintf(outfile, "Testing match limit = %d\n", mid); */
+ max = mid;
+ mid = (min + mid)/2;
+ }
+ else break; /* Some other error */
+ }
+
+ extra->flags &= ~PCRE_EXTRA_MATCH_LIMIT;
+ }
+
+ /* 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. */
+
+ 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;
+ 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[16];
+ 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 (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);
+ /* free((void *)substring); */
+ 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\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. In the case of UTF-8
+ matching, the advance must be one character, not one byte. Fudge the
+ offset values to achieve this. We won't be at the end of the string -
+ that was checked before setting g_notempty. */
+
+ else
+ {
+ if (g_notempty != 0)
+ {
+ int onechar = 1;
+ use_offsets[0] = start_offset;
+ 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 */
+ } /* End of loop for data lines */
+
+ CONTINUE:
+
+#if !defined NOPOSIX
+ if (posix || do_posix) regfree(&preg);
+#endif
+
+ if (re != NULL) free(re);
+ if (extra != NULL) free(extra);
+ if (tables != NULL)
+ {
+ free((void *)tables);
+ setlocale(LC_CTYPE, "C");
+ }
+ }
+
+if (infile == stdin) fprintf(outfile, "\n");
+return 0;
+}
+
+/* End */
git://git.exim.org / exim.git / blobdiff