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Member "tin-2.6.2/pcre/pcreposix.h" (23 Aug 2021, 4775 Bytes) of package /linux/misc/tin-2.6.2.tar.xz:

    1 /*************************************************
    2 *       Perl-Compatible Regular Expressions      *
    3 *************************************************/
    4 
    5 #ifndef _PCREPOSIX_H
    6 #define _PCREPOSIX_H
    7 
    8 /* This is the header for the POSIX wrapper interface to the PCRE Perl-
    9 Compatible Regular Expression library. It defines the things POSIX says should
   10 be there. I hope.
   11 
   12             Copyright (c) 1997-2006 University of Cambridge
   13 
   14 -----------------------------------------------------------------------------
   15 Redistribution and use in source and binary forms, with or without
   16 modification, are permitted provided that the following conditions are met:
   17 
   18     * Redistributions of source code must retain the above copyright notice,
   19       this list of conditions and the following disclaimer.
   20 
   21     * Redistributions in binary form must reproduce the above copyright
   22       notice, this list of conditions and the following disclaimer in the
   23       documentation and/or other materials provided with the distribution.
   24 
   25     * Neither the name of the University of Cambridge nor the names of its
   26       contributors may be used to endorse or promote products derived from
   27       this software without specific prior written permission.
   28 
   29 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   30 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   31 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   32 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   33 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   34 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   35 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   36 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   37 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   38 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   39 POSSIBILITY OF SUCH DAMAGE.
   40 -----------------------------------------------------------------------------
   41 */
   42 
   43 /* Have to include stdlib.h in order to ensure that size_t is defined. */
   44 
   45 #include <stdlib.h>
   46 
   47 /* Allow for C++ users */
   48 
   49 #ifdef __cplusplus
   50 extern "C" {
   51 #endif
   52 
   53 /* Options, mostly defined by POSIX, but with a couple of extras. */
   54 
   55 #define REG_ICASE     0x0001
   56 #define REG_NEWLINE   0x0002
   57 #define REG_NOTBOL    0x0004
   58 #define REG_NOTEOL    0x0008
   59 #define REG_DOTALL    0x0010   /* NOT defined by POSIX. */
   60 #define REG_NOSUB     0x0020
   61 #define REG_UTF8      0x0040   /* NOT defined by POSIX. */
   62 
   63 /* This is not used by PCRE, but by defining it we make it easier
   64 to slot PCRE into existing programs that make POSIX calls. */
   65 
   66 #define REG_EXTENDED  0
   67 
   68 /* Error values. Not all these are relevant or used by the wrapper. */
   69 
   70 enum {
   71   REG_ASSERT = 1,  /* internal error ? */
   72   REG_BADBR,       /* invalid repeat counts in {} */
   73   REG_BADPAT,      /* pattern error */
   74   REG_BADRPT,      /* ? * + invalid */
   75   REG_EBRACE,      /* unbalanced {} */
   76   REG_EBRACK,      /* unbalanced [] */
   77   REG_ECOLLATE,    /* collation error - not relevant */
   78   REG_ECTYPE,      /* bad class */
   79   REG_EESCAPE,     /* bad escape sequence */
   80   REG_EMPTY,       /* empty expression */
   81   REG_EPAREN,      /* unbalanced () */
   82   REG_ERANGE,      /* bad range inside [] */
   83   REG_ESIZE,       /* expression too big */
   84   REG_ESPACE,      /* failed to get memory */
   85   REG_ESUBREG,     /* bad back reference */
   86   REG_INVARG,      /* bad argument */
   87   REG_NOMATCH      /* match failed */
   88 };
   89 
   90 
   91 /* The structure representing a compiled regular expression. */
   92 
   93 typedef struct {
   94   void *re_pcre;
   95   size_t re_nsub;
   96   size_t re_erroffset;
   97 } regex_t;
   98 
   99 /* The structure in which a captured offset is returned. */
  100 
  101 typedef int regoff_t;
  102 
  103 typedef struct {
  104   regoff_t rm_so;
  105   regoff_t rm_eo;
  106 } regmatch_t;
  107 
  108 /* Win32 uses DLL by default; it needs special stuff for exported functions
  109 when building PCRE. */
  110 
  111 #ifndef PCRE_DATA_SCOPE
  112 #ifdef _WIN32
  113 #  ifdef PCRE_DEFINITION
  114 #    ifdef DLL_EXPORT
  115 #      define PCRE_DATA_SCOPE __declspec(dllexport)
  116 #    endif
  117 #  else
  118 #    ifndef PCRE_STATIC
  119 #      define PCRE_DATA_SCOPE extern __declspec(dllimport)
  120 #    endif
  121 #  endif
  122 #endif
  123 #endif
  124 
  125 /* Otherwise, we use the standard "extern". */
  126 
  127 #ifndef PCRE_DATA_SCOPE
  128 #  ifdef __cplusplus
  129 #    define PCRE_DATA_SCOPE     extern "C"
  130 #  else
  131 #    define PCRE_DATA_SCOPE     extern
  132 #  endif
  133 #endif
  134 
  135 /* The functions */
  136 
  137 PCRE_DATA_SCOPE int regcomp(regex_t *, const char *, int);
  138 PCRE_DATA_SCOPE int regexec(const regex_t *, const char *, size_t,
  139                   regmatch_t *, int);
  140 PCRE_DATA_SCOPE size_t regerror(int, const regex_t *, char *, size_t);
  141 PCRE_DATA_SCOPE void regfree(regex_t *);
  142 
  143 #ifdef __cplusplus
  144 }   /* extern "C" */
  145 #endif
  146 
  147 #endif /* End of pcreposix.h */