diff options
Diffstat (limited to 'ext/pcre/pcrelib/pcre_internal.h')
| -rw-r--r-- | ext/pcre/pcrelib/pcre_internal.h | 41 |
1 files changed, 28 insertions, 13 deletions
diff --git a/ext/pcre/pcrelib/pcre_internal.h b/ext/pcre/pcrelib/pcre_internal.h index de0961435b..aa1983e8f9 100644 --- a/ext/pcre/pcrelib/pcre_internal.h +++ b/ext/pcre/pcrelib/pcre_internal.h @@ -7,7 +7,7 @@ and semantics are as close as possible to those of the Perl 5 language. Written by Philip Hazel - Copyright (c) 1997-2009 University of Cambridge + Copyright (c) 1997-2010 University of Cambridge ----------------------------------------------------------------------------- Redistribution and use in source and binary forms, with or without @@ -45,10 +45,10 @@ functions whose names all begin with "_pcre_". */ #ifndef PCRE_INTERNAL_H #define PCRE_INTERNAL_H -/* Define DEBUG to get debugging output on stdout. */ +/* Define PCRE_DEBUG to get debugging output on stdout. */ #if 0 -#define DEBUG +#define PCRE_DEBUG #endif /* We do not support both EBCDIC and UTF-8 at the same time. The "configure" @@ -74,7 +74,7 @@ It turns out that the Mac Debugging.h header also defines the macro DPRINTF, so be absolutely sure we get our version. */ #undef DPRINTF -#ifdef DEBUG +#ifdef PCRE_DEBUG #define DPRINTF(p) printf p #else #define DPRINTF(p) /* Nothing */ @@ -86,8 +86,6 @@ setjmp and stdarg are used is when NO_RECURSE is set. */ #include <ctype.h> #include <limits.h> -#include <setjmp.h> -#include <stdarg.h> #include <stddef.h> #include <stdio.h> #include <stdlib.h> @@ -186,6 +184,23 @@ preprocessor time in standard C environments. */ #error Cannot determine a type for 32-bit unsigned integers #endif +/* When checking for integer overflow in pcre_compile(), we need to handle +large integers. If a 64-bit integer type is available, we can use that. +Otherwise we have to cast to double, which of course requires floating point +arithmetic. Handle this by defining a macro for the appropriate type. If +stdint.h is available, include it; it may define INT64_MAX. The macro int64_t +may be set by "configure". */ + +#if HAVE_STDINT_H +#include <stdint.h> +#endif + +#if defined INT64_MAX || defined int64_t +#define INT64_OR_DOUBLE int64_t +#else +#define INT64_OR_DOUBLE double +#endif + /* All character handling must be done as unsigned characters. Otherwise there are problems with top-bit-set characters and functions such as isspace(). However, we leave the interface to the outside world as char *, because that @@ -1536,11 +1551,13 @@ typedef struct pcre_study_data { /* Structure for building a chain of open capturing subpatterns during compiling, so that instructions to close them can be compiled when (*ACCEPT) is -encountered. */ +encountered. This is also used to identify subpatterns that contain recursive +back references to themselves, so that they can be made atomic. */ typedef struct open_capitem { struct open_capitem *next; /* Chain link */ pcre_uint16 number; /* Capture number */ + pcre_uint16 flag; /* Set TRUE if recursive back ref */ } open_capitem; /* Structure for passing "static" information around between the functions @@ -1579,7 +1596,7 @@ branches, for testing for left recursion. */ typedef struct branch_chain { struct branch_chain *outer; - uschar *current; + uschar *current_branch; } branch_chain; /* Structure for items in a linked list that represents an explicit recursive @@ -1738,14 +1755,12 @@ one of the exported public functions. They have to be "external" in the C sense, but are not part of the PCRE public API. */ extern const uschar *_pcre_find_bracket(const uschar *, BOOL, int); -extern BOOL _pcre_is_newline(const uschar *, int, const uschar *, - int *, BOOL); +extern BOOL _pcre_is_newline(USPTR, int, USPTR, int *, BOOL); extern int _pcre_ord2utf8(int, uschar *); extern real_pcre *_pcre_try_flipped(const real_pcre *, real_pcre *, const pcre_study_data *, pcre_study_data *); -extern int _pcre_valid_utf8(const uschar *, int); -extern BOOL _pcre_was_newline(const uschar *, int, const uschar *, - int *, BOOL); +extern int _pcre_valid_utf8(USPTR, int); +extern BOOL _pcre_was_newline(USPTR, int, USPTR, int *, BOOL); extern BOOL _pcre_xclass(int, const uschar *); |