/[pcre]/code/trunk/pcre_internal.h
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revision 412 by ph10, Sat Apr 11 10:34:37 2009 UTC revision 498 by ph10, Wed Mar 3 19:29:38 2010 UTC
# Line 7  Line 7 
7  and semantics are as close as possible to those of the Perl 5 language.  and semantics are as close as possible to those of the Perl 5 language.
8    
9                         Written by Philip Hazel                         Written by Philip Hazel
10             Copyright (c) 1997-2009 University of Cambridge             Copyright (c) 1997-2010 University of Cambridge
11    
12  -----------------------------------------------------------------------------  -----------------------------------------------------------------------------
13  Redistribution and use in source and binary forms, with or without  Redistribution and use in source and binary forms, with or without
# Line 45  functions whose names all begin with "_p Line 45  functions whose names all begin with "_p
45  #ifndef PCRE_INTERNAL_H  #ifndef PCRE_INTERNAL_H
46  #define PCRE_INTERNAL_H  #define PCRE_INTERNAL_H
47    
48  /* Define DEBUG to get debugging output on stdout. */  /* Define PCRE_DEBUG to get debugging output on stdout. */
49    
50  #if 0  #if 0
51  #define DEBUG  #define PCRE_DEBUG
52  #endif  #endif
53    
54  /* We do not support both EBCDIC and UTF-8 at the same time. The "configure"  /* We do not support both EBCDIC and UTF-8 at the same time. The "configure"
# Line 74  It turns out that the Mac Debugging.h he Line 74  It turns out that the Mac Debugging.h he
74  be absolutely sure we get our version. */  be absolutely sure we get our version. */
75    
76  #undef DPRINTF  #undef DPRINTF
77  #ifdef DEBUG  #ifdef PCRE_DEBUG
78  #define DPRINTF(p) printf p  #define DPRINTF(p) printf p
79  #else  #else
80  #define DPRINTF(p) /* Nothing */  #define DPRINTF(p) /* Nothing */
# Line 86  setjmp and stdarg are used is when NO_RE Line 86  setjmp and stdarg are used is when NO_RE
86    
87  #include <ctype.h>  #include <ctype.h>
88  #include <limits.h>  #include <limits.h>
 #include <setjmp.h>  
 #include <stdarg.h>  
89  #include <stddef.h>  #include <stddef.h>
90  #include <stdio.h>  #include <stdio.h>
91  #include <stdlib.h>  #include <stdlib.h>
# Line 186  preprocessor time in standard C environm Line 184  preprocessor time in standard C environm
184    #error Cannot determine a type for 32-bit unsigned integers    #error Cannot determine a type for 32-bit unsigned integers
185  #endif  #endif
186    
187    /* When checking for integer overflow in pcre_compile(), we need to handle
188    large integers. If a 64-bit integer type is available, we can use that.
189    Otherwise we have to cast to double, which of course requires floating point
190    arithmetic. Handle this by defining a macro for the appropriate type. If
191    stdint.h is available, include it; it may define INT64_MAX. Systems that do not
192    have stdint.h (e.g. Solaris) may have inttypes.h. The macro int64_t may be set
193    by "configure". */
194    
195    #if HAVE_STDINT_H
196    #include <stdint.h>
197    #elif HAVE_INTTYPES_H
198    #include <inttypes.h>
199    #endif
200    
201    #if defined INT64_MAX || defined int64_t
202    #define INT64_OR_DOUBLE int64_t
203    #else
204    #define INT64_OR_DOUBLE double
205    #endif
206    
207  /* All character handling must be done as unsigned characters. Otherwise there  /* All character handling must be done as unsigned characters. Otherwise there
208  are problems with top-bit-set characters and functions such as isspace().  are problems with top-bit-set characters and functions such as isspace().
209  However, we leave the interface to the outside world as char *, because that  However, we leave the interface to the outside world as char *, because that
# Line 535  Standard C system should have one. */ Line 553  Standard C system should have one. */
553    
554  /* Private flags containing information about the compiled regex. They used to  /* Private flags containing information about the compiled regex. They used to
555  live at the top end of the options word, but that got almost full, so now they  live at the top end of the options word, but that got almost full, so now they
556  are in a 16-bit flags word. */  are in a 16-bit flags word. From release 8.00, PCRE_NOPARTIAL is unused, as
557    the restrictions on partial matching have been lifted. It remains for backwards
558    compatibility. */
559    
560  #define PCRE_NOPARTIAL     0x0001  /* can't use partial with this regex */  #define PCRE_NOPARTIAL     0x0001  /* can't use partial with this regex */
561  #define PCRE_FIRSTSET      0x0002  /* first_byte is set */  #define PCRE_FIRSTSET      0x0002  /* first_byte is set */
# Line 547  are in a 16-bit flags word. */ Line 567  are in a 16-bit flags word. */
567  /* Options for the "extra" block produced by pcre_study(). */  /* Options for the "extra" block produced by pcre_study(). */
568    
569  #define PCRE_STUDY_MAPPED   0x01     /* a map of starting chars exists */  #define PCRE_STUDY_MAPPED   0x01     /* a map of starting chars exists */
570    #define PCRE_STUDY_MINLEN   0x02     /* a minimum length field exists */
571    
572  /* Masks for identifying the public options that are permitted at compile  /* Masks for identifying the public options that are permitted at compile
573  time, run time, or study time, respectively. */  time, run time, or study time, respectively. */
# Line 562  time, run time, or study time, respectiv Line 583  time, run time, or study time, respectiv
583     PCRE_JAVASCRIPT_COMPAT)     PCRE_JAVASCRIPT_COMPAT)
584    
585  #define PUBLIC_EXEC_OPTIONS \  #define PUBLIC_EXEC_OPTIONS \
586    (PCRE_ANCHORED|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|PCRE_NO_UTF8_CHECK| \    (PCRE_ANCHORED|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|PCRE_NOTEMPTY_ATSTART| \
587     PCRE_PARTIAL|PCRE_NEWLINE_BITS|PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE| \     PCRE_NO_UTF8_CHECK|PCRE_PARTIAL_HARD|PCRE_PARTIAL_SOFT|PCRE_NEWLINE_BITS| \
588     PCRE_NO_START_OPTIMIZE)     PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE|PCRE_NO_START_OPTIMIZE)
589    
590  #define PUBLIC_DFA_EXEC_OPTIONS \  #define PUBLIC_DFA_EXEC_OPTIONS \
591    (PCRE_ANCHORED|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|PCRE_NO_UTF8_CHECK| \    (PCRE_ANCHORED|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|PCRE_NOTEMPTY_ATSTART| \
592     PCRE_PARTIAL|PCRE_DFA_SHORTEST|PCRE_DFA_RESTART|PCRE_NEWLINE_BITS| \     PCRE_NO_UTF8_CHECK|PCRE_PARTIAL_HARD|PCRE_PARTIAL_SOFT|PCRE_DFA_SHORTEST| \
593     PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE|PCRE_NO_START_OPTIMIZE)     PCRE_DFA_RESTART|PCRE_NEWLINE_BITS|PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE| \
594       PCRE_NO_START_OPTIMIZE)
595    
596  #define PUBLIC_STUDY_OPTIONS 0   /* None defined */  #define PUBLIC_STUDY_OPTIONS 0   /* None defined */
597    
# Line 1206  enum { ESC_A = 1, ESC_G, ESC_K, ESC_B, E Line 1228  enum { ESC_A = 1, ESC_G, ESC_K, ESC_B, E
1228  OP_EOD must correspond in order to the list of escapes immediately above.  OP_EOD must correspond in order to the list of escapes immediately above.
1229    
1230  *** NOTE NOTE NOTE *** Whenever this list is updated, the two macro definitions  *** NOTE NOTE NOTE *** Whenever this list is updated, the two macro definitions
1231  that follow must also be updated to match. There is also a table called  that follow must also be updated to match. There are also tables called
1232  "coptable" in pcre_dfa_exec.c that must be updated. */  "coptable" and "poptable" in pcre_dfa_exec.c that must be updated. */
1233    
1234  enum {  enum {
1235    OP_END,            /* 0 End of pattern */    OP_END,            /* 0 End of pattern */
# Line 1343  enum { Line 1365  enum {
1365    OP_SCBRA,          /* 98 Start of capturing bracket, check empty */    OP_SCBRA,          /* 98 Start of capturing bracket, check empty */
1366    OP_SCOND,          /* 99 Conditional group, check empty */    OP_SCOND,          /* 99 Conditional group, check empty */
1367    
1368      /* The next two pairs must (respectively) be kept together. */
1369    
1370    OP_CREF,           /* 100 Used to hold a capture number as condition */    OP_CREF,           /* 100 Used to hold a capture number as condition */
1371    OP_RREF,           /* 101 Used to hold a recursion number as condition */    OP_NCREF,          /* 101 Same, but generaged by a name reference*/
1372    OP_DEF,            /* 102 The DEFINE condition */    OP_RREF,           /* 102 Used to hold a recursion number as condition */
1373      OP_NRREF,          /* 103 Same, but generaged by a name reference*/
1374      OP_DEF,            /* 104 The DEFINE condition */
1375    
1376    OP_BRAZERO,        /* 103 These two must remain together and in this */    OP_BRAZERO,        /* 105 These two must remain together and in this */
1377    OP_BRAMINZERO,     /* 104 order. */    OP_BRAMINZERO,     /* 106 order. */
1378    
1379    /* These are backtracking control verbs */    /* These are backtracking control verbs */
1380    
1381    OP_PRUNE,          /* 105 */    OP_PRUNE,          /* 107 */
1382    OP_SKIP,           /* 106 */    OP_SKIP,           /* 108 */
1383    OP_THEN,           /* 107 */    OP_THEN,           /* 109 */
1384    OP_COMMIT,         /* 108 */    OP_COMMIT,         /* 110 */
1385    
1386    /* These are forced failure and success verbs */    /* These are forced failure and success verbs */
1387    
1388    OP_FAIL,           /* 109 */    OP_FAIL,           /* 111 */
1389    OP_ACCEPT,         /* 110 */    OP_ACCEPT,         /* 112 */
1390      OP_CLOSE,          /* 113 Used before OP_ACCEPT to close open captures */
1391    
1392    /* This is used to skip a subpattern with a {0} quantifier */    /* This is used to skip a subpattern with a {0} quantifier */
1393    
1394    OP_SKIPZERO        /* 111 */    OP_SKIPZERO,       /* 114 */
1395    
1396      /* This is not an opcode, but is used to check that tables indexed by opcode
1397      are the correct length, in order to catch updating errors - there have been
1398      some in the past. */
1399    
1400      OP_TABLE_LENGTH
1401  };  };
1402    
1403    /* *** NOTE NOTE NOTE *** Whenever the list above is updated, the two macro
1404    definitions that follow must also be updated to match. There are also tables
1405    called "coptable" cna "poptable" in pcre_dfa_exec.c that must be updated. */
1406    
1407    
1408  /* This macro defines textual names for all the opcodes. These are used only  /* This macro defines textual names for all the opcodes. These are used only
1409  for debugging. The macro is referenced only in pcre_printint.c. */  for debugging. The macro is referenced only in pcre_printint.c. */
# Line 1388  for debugging. The macro is referenced o Line 1425  for debugging. The macro is referenced o
1425    "Alt", "Ket", "KetRmax", "KetRmin", "Assert", "Assert not",     \    "Alt", "Ket", "KetRmax", "KetRmin", "Assert", "Assert not",     \
1426    "AssertB", "AssertB not", "Reverse",                            \    "AssertB", "AssertB not", "Reverse",                            \
1427    "Once", "Bra", "CBra", "Cond", "SBra", "SCBra", "SCond",        \    "Once", "Bra", "CBra", "Cond", "SBra", "SCBra", "SCond",        \
1428    "Cond ref", "Cond rec", "Cond def", "Brazero", "Braminzero",    \    "Cond ref", "Cond nref", "Cond rec", "Cond nrec", "Cond def",   \
1429      "Brazero", "Braminzero",                                        \
1430    "*PRUNE", "*SKIP", "*THEN", "*COMMIT", "*FAIL", "*ACCEPT",      \    "*PRUNE", "*SKIP", "*THEN", "*COMMIT", "*FAIL", "*ACCEPT",      \
1431    "Skip zero"    "Close", "Skip zero"
1432    
1433    
1434  /* This macro defines the length of fixed length operations in the compiled  /* This macro defines the length of fixed length operations in the compiled
# Line 1407  in UTF-8 mode. The code that uses this t Line 1445  in UTF-8 mode. The code that uses this t
1445    1, 1, 1, 1, 1,                 /* \A, \G, \K, \B, \b                     */ \    1, 1, 1, 1, 1,                 /* \A, \G, \K, \B, \b                     */ \
1446    1, 1, 1, 1, 1, 1,              /* \D, \d, \S, \s, \W, \w                 */ \    1, 1, 1, 1, 1, 1,              /* \D, \d, \S, \s, \W, \w                 */ \
1447    1, 1, 1,                       /* Any, AllAny, Anybyte                   */ \    1, 1, 1,                       /* Any, AllAny, Anybyte                   */ \
1448    3, 3, 1,                       /* NOTPROP, PROP, EXTUNI                  */ \    3, 3,                          /* \P, \p                                 */ \
1449    1, 1, 1, 1, 1,                 /* \R, \H, \h, \V, \v                     */ \    1, 1, 1, 1, 1,                 /* \R, \H, \h, \V, \v                     */ \
1450      1,                             /* \X                                     */ \
1451    1, 1, 2, 1, 1,                 /* \Z, \z, Opt, ^, $                      */ \    1, 1, 2, 1, 1,                 /* \Z, \z, Opt, ^, $                      */ \
1452    2,                             /* Char  - the minimum length             */ \    2,                             /* Char  - the minimum length             */ \
1453    2,                             /* Charnc  - the minimum length           */ \    2,                             /* Charnc  - the minimum length           */ \
# Line 1450  in UTF-8 mode. The code that uses this t Line 1489  in UTF-8 mode. The code that uses this t
1489    1+LINK_SIZE,                   /* SBRA                                   */ \    1+LINK_SIZE,                   /* SBRA                                   */ \
1490    3+LINK_SIZE,                   /* SCBRA                                  */ \    3+LINK_SIZE,                   /* SCBRA                                  */ \
1491    1+LINK_SIZE,                   /* SCOND                                  */ \    1+LINK_SIZE,                   /* SCOND                                  */ \
1492    3,                             /* CREF                                   */ \    3, 3,                          /* CREF, NCREF                            */ \
1493    3,                             /* RREF                                   */ \    3, 3,                          /* RREF, NRREF                            */ \
1494    1,                             /* DEF                                    */ \    1,                             /* DEF                                    */ \
1495    1, 1,                          /* BRAZERO, BRAMINZERO                    */ \    1, 1,                          /* BRAZERO, BRAMINZERO                    */ \
1496    1, 1, 1, 1,                    /* PRUNE, SKIP, THEN, COMMIT,             */ \    1, 1, 1, 1,                    /* PRUNE, SKIP, THEN, COMMIT,             */ \
1497    1, 1, 1                        /* FAIL, ACCEPT, SKIPZERO                 */    1, 1, 3, 1                     /* FAIL, ACCEPT, CLOSE, SKIPZERO          */
1498    
1499    
1500  /* A magic value for OP_RREF to indicate the "any recursion" condition. */  /* A magic value for OP_RREF and OP_NRREF to indicate the "any recursion"
1501    condition. */
1502    
1503  #define RREF_ANY  0xffff  #define RREF_ANY  0xffff
1504    
# Line 1471  enum { ERR0,  ERR1,  ERR2,  ERR3,  ERR4, Line 1511  enum { ERR0,  ERR1,  ERR2,  ERR3,  ERR4,
1511         ERR30, ERR31, ERR32, ERR33, ERR34, ERR35, ERR36, ERR37, ERR38, ERR39,         ERR30, ERR31, ERR32, ERR33, ERR34, ERR35, ERR36, ERR37, ERR38, ERR39,
1512         ERR40, ERR41, ERR42, ERR43, ERR44, ERR45, ERR46, ERR47, ERR48, ERR49,         ERR40, ERR41, ERR42, ERR43, ERR44, ERR45, ERR46, ERR47, ERR48, ERR49,
1513         ERR50, ERR51, ERR52, ERR53, ERR54, ERR55, ERR56, ERR57, ERR58, ERR59,         ERR50, ERR51, ERR52, ERR53, ERR54, ERR55, ERR56, ERR57, ERR58, ERR59,
1514         ERR60, ERR61, ERR62, ERR63, ERR64 };         ERR60, ERR61, ERR62, ERR63, ERR64, ERR65 };
1515    
1516  /* The real format of the start of the pcre block; the index of names and the  /* The real format of the start of the pcre block; the index of names and the
1517  code vector run on as long as necessary after the end. We store an explicit  code vector run on as long as necessary after the end. We store an explicit
# Line 1487  Because people can now save and re-use c Line 1527  Because people can now save and re-use c
1527  structure should be made at the end, and something earlier (e.g. a new  structure should be made at the end, and something earlier (e.g. a new
1528  flag in the options or one of the dummy fields) should indicate that the new  flag in the options or one of the dummy fields) should indicate that the new
1529  fields are present. Currently PCRE always sets the dummy fields to zero.  fields are present. Currently PCRE always sets the dummy fields to zero.
1530  NOTE NOTE NOTE:  NOTE NOTE NOTE
1531  */  */
1532    
1533  typedef struct real_pcre {  typedef struct real_pcre {
# Line 1514  remark (see NOTE above) about extending Line 1554  remark (see NOTE above) about extending
1554    
1555  typedef struct pcre_study_data {  typedef struct pcre_study_data {
1556    pcre_uint32 size;               /* Total that was malloced */    pcre_uint32 size;               /* Total that was malloced */
1557    pcre_uint32 options;    pcre_uint32 flags;              /* Private flags */
1558    uschar start_bits[32];    uschar start_bits[32];          /* Starting char bits */
1559      pcre_uint32 minlength;          /* Minimum subject length */
1560  } pcre_study_data;  } pcre_study_data;
1561    
1562    /* Structure for building a chain of open capturing subpatterns during
1563    compiling, so that instructions to close them can be compiled when (*ACCEPT) is
1564    encountered. This is also used to identify subpatterns that contain recursive
1565    back references to themselves, so that they can be made atomic. */
1566    
1567    typedef struct open_capitem {
1568      struct open_capitem *next;    /* Chain link */
1569      pcre_uint16 number;           /* Capture number */
1570      pcre_uint16 flag;             /* Set TRUE if recursive back ref */
1571    } open_capitem;
1572    
1573  /* Structure for passing "static" information around between the functions  /* Structure for passing "static" information around between the functions
1574  doing the compiling, so that they are thread-safe. */  doing the compiling, so that they are thread-safe. */
1575    
# Line 1530  typedef struct compile_data { Line 1582  typedef struct compile_data {
1582    const uschar *start_code;     /* The start of the compiled code */    const uschar *start_code;     /* The start of the compiled code */
1583    const uschar *start_pattern;  /* The start of the pattern */    const uschar *start_pattern;  /* The start of the pattern */
1584    const uschar *end_pattern;    /* The end of the pattern */    const uschar *end_pattern;    /* The end of the pattern */
1585      open_capitem *open_caps;      /* Chain of open capture items */
1586    uschar *hwm;                  /* High watermark of workspace */    uschar *hwm;                  /* High watermark of workspace */
1587    uschar *name_table;           /* The name/number table */    uschar *name_table;           /* The name/number table */
1588    int  names_found;             /* Number of entries so far */    int  names_found;             /* Number of entries so far */
# Line 1542  typedef struct compile_data { Line 1595  typedef struct compile_data {
1595    int  external_flags;          /* External flag bits to be set */    int  external_flags;          /* External flag bits to be set */
1596    int  req_varyopt;             /* "After variable item" flag for reqbyte */    int  req_varyopt;             /* "After variable item" flag for reqbyte */
1597    BOOL had_accept;              /* (*ACCEPT) encountered */    BOOL had_accept;              /* (*ACCEPT) encountered */
1598      BOOL check_lookbehind;        /* Lookbehinds need later checking */
1599    int  nltype;                  /* Newline type */    int  nltype;                  /* Newline type */
1600    int  nllen;                   /* Newline string length */    int  nllen;                   /* Newline string length */
1601    uschar nl[4];                 /* Newline string when fixed length */    uschar nl[4];                 /* Newline string when fixed length */
# Line 1552  branches, for testing for left recursion Line 1606  branches, for testing for left recursion
1606    
1607  typedef struct branch_chain {  typedef struct branch_chain {
1608    struct branch_chain *outer;    struct branch_chain *outer;
1609    uschar *current;    uschar *current_branch;
1610  } branch_chain;  } branch_chain;
1611    
1612  /* Structure for items in a linked list that represents an explicit recursive  /* Structure for items in a linked list that represents an explicit recursive
# Line 1565  typedef struct recursion_info { Line 1619  typedef struct recursion_info {
1619    USPTR save_start;             /* Old value of mstart */    USPTR save_start;             /* Old value of mstart */
1620    int *offset_save;             /* Pointer to start of saved offsets */    int *offset_save;             /* Pointer to start of saved offsets */
1621    int saved_max;                /* Number of saved offsets */    int saved_max;                /* Number of saved offsets */
1622      int save_offset_top;          /* Current value of offset_top */
1623  } recursion_info;  } recursion_info;
1624    
1625  /* Structure for building a chain of data for holding the values of the subject  /* Structure for building a chain of data for holding the values of the subject
# Line 1589  typedef struct match_data { Line 1644  typedef struct match_data {
1644    int    offset_max;            /* The maximum usable for return data */    int    offset_max;            /* The maximum usable for return data */
1645    int    nltype;                /* Newline type */    int    nltype;                /* Newline type */
1646    int    nllen;                 /* Newline string length */    int    nllen;                 /* Newline string length */
1647      int    name_count;            /* Number of names in name table */
1648      int    name_entry_size;       /* Size of entry in names table */
1649      uschar *name_table;           /* Table of names */
1650    uschar nl[4];                 /* Newline string when fixed */    uschar nl[4];                 /* Newline string when fixed */
1651    const uschar *lcc;            /* Points to lower casing table */    const uschar *lcc;            /* Points to lower casing table */
1652    const uschar *ctypes;         /* Points to table of type maps */    const uschar *ctypes;         /* Points to table of type maps */
# Line 1599  typedef struct match_data { Line 1657  typedef struct match_data {
1657    BOOL   jscript_compat;        /* JAVASCRIPT_COMPAT flag */    BOOL   jscript_compat;        /* JAVASCRIPT_COMPAT flag */
1658    BOOL   endonly;               /* Dollar not before final \n */    BOOL   endonly;               /* Dollar not before final \n */
1659    BOOL   notempty;              /* Empty string match not wanted */    BOOL   notempty;              /* Empty string match not wanted */
1660    BOOL   partial;               /* PARTIAL flag */    BOOL   notempty_atstart;      /* Empty string match at start not wanted */
1661    BOOL   hitend;                /* Hit the end of the subject at some point */    BOOL   hitend;                /* Hit the end of the subject at some point */
1662    BOOL   bsr_anycrlf;           /* \R is just any CRLF, not full Unicode */    BOOL   bsr_anycrlf;           /* \R is just any CRLF, not full Unicode */
1663    const uschar *start_code;     /* For use when recursing */    const uschar *start_code;     /* For use when recursing */
# Line 1607  typedef struct match_data { Line 1665  typedef struct match_data {
1665    USPTR  end_subject;           /* End of the subject string */    USPTR  end_subject;           /* End of the subject string */
1666    USPTR  start_match_ptr;       /* Start of matched string */    USPTR  start_match_ptr;       /* Start of matched string */
1667    USPTR  end_match_ptr;         /* Subject position at end match */    USPTR  end_match_ptr;         /* Subject position at end match */
1668      USPTR  start_used_ptr;        /* Earliest consulted character */
1669      int    partial;               /* PARTIAL options */
1670    int    end_offset_top;        /* Highwater mark at end of match */    int    end_offset_top;        /* Highwater mark at end of match */
1671    int    capture_last;          /* Most recent capture number */    int    capture_last;          /* Most recent capture number */
1672    int    start_offset;          /* The start offset value */    int    start_offset;          /* The start offset value */
# Line 1623  typedef struct dfa_match_data { Line 1683  typedef struct dfa_match_data {
1683    const uschar *start_code;     /* Start of the compiled pattern */    const uschar *start_code;     /* Start of the compiled pattern */
1684    const uschar *start_subject;  /* Start of the subject string */    const uschar *start_subject;  /* Start of the subject string */
1685    const uschar *end_subject;    /* End of subject string */    const uschar *end_subject;    /* End of subject string */
1686      const uschar *start_used_ptr; /* Earliest consulted character */
1687    const uschar *tables;         /* Character tables */    const uschar *tables;         /* Character tables */
1688      int   start_offset;           /* The start offset value */
1689    int   moptions;               /* Match options */    int   moptions;               /* Match options */
1690    int   poptions;               /* Pattern options */    int   poptions;               /* Pattern options */
1691    int    nltype;                /* Newline type */    int    nltype;                /* Newline type */
# Line 1702  extern const uschar _pcre_OP_lengths[]; Line 1764  extern const uschar _pcre_OP_lengths[];
1764  one of the exported public functions. They have to be "external" in the C  one of the exported public functions. They have to be "external" in the C
1765  sense, but are not part of the PCRE public API. */  sense, but are not part of the PCRE public API. */
1766    
1767  extern BOOL         _pcre_is_newline(const uschar *, int, const uschar *,  extern const uschar *_pcre_find_bracket(const uschar *, BOOL, int);
1768                        int *, BOOL);  extern BOOL          _pcre_is_newline(USPTR, int, USPTR, int *, BOOL);
1769  extern int          _pcre_ord2utf8(int, uschar *);  extern int           _pcre_ord2utf8(int, uschar *);
1770  extern real_pcre   *_pcre_try_flipped(const real_pcre *, real_pcre *,  extern real_pcre    *_pcre_try_flipped(const real_pcre *, real_pcre *,
1771                        const pcre_study_data *, pcre_study_data *);                         const pcre_study_data *, pcre_study_data *);
1772  extern int          _pcre_valid_utf8(const uschar *, int);  extern int           _pcre_valid_utf8(USPTR, int);
1773  extern BOOL         _pcre_was_newline(const uschar *, int, const uschar *,  extern BOOL          _pcre_was_newline(USPTR, int, USPTR, int *, BOOL);
1774                        int *, BOOL);  extern BOOL          _pcre_xclass(int, const uschar *);
 extern BOOL         _pcre_xclass(int, const uschar *);  
1775    
1776    
1777  /* Unicode character database (UCD) */  /* Unicode character database (UCD) */

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