1 2 #include <php_compat.h> 3 4 #ifdef PHP_WIN32 5 # include <config.w32.h> 6 #else 7 # include <php_config.h> 8 #endif 9 10 #undef PACKAGE_NAME 11 #undef PACKAGE_VERSION 12 #undef PACKAGE_TARNAME 13 #undef PACKAGE_STRING 14 15 #define SUPPORT_UNICODE 1 16 #define SUPPORT_PCRE2_8 1 17 18 #if defined(__GNUC__) && __GNUC__ >= 4 19 # ifdef __cplusplus 20 # define PCRE2_EXP_DECL extern "C" __attribute__ ((visibility("default"))) 21 # else 22 # define PCRE2_EXP_DECL extern __attribute__ ((visibility("default"))) 23 # endif 24 # define PCRE2_EXP_DEFN __attribute__ ((visibility("default"))) 25 #endif 26 27 /* Define to any value for valgrind support to find invalid memory reads. */ 28 #if HAVE_PCRE_VALGRIND_SUPPORT 29 #define SUPPORT_VALGRIND 1 30 #endif 31 32 /* Define to any value to enable support for Just-In-Time compiling. */ 33 #if HAVE_PCRE_JIT_SUPPORT 34 #define SUPPORT_JIT 35 #endif 36 37 /* This limits the amount of memory that pcre2_match() may use while matching 38 a pattern. The value is in kilobytes. */ 39 #ifndef HEAP_LIMIT 40 #define HEAP_LIMIT 20000000 41 #endif 42 43 /* The value of PARENS_NEST_LIMIT specifies the maximum depth of nested 44 parentheses (of any kind) in a pattern. This limits the amount of system 45 stack that is used while compiling a pattern. */ 46 #ifndef PARENS_NEST_LIMIT 47 #define PARENS_NEST_LIMIT 250 48 #endif 49 50 /* The value of MATCH_LIMIT determines the default number of times the 51 pcre2_match() function can record a backtrack position during a single 52 matching attempt. There is a runtime interface for setting a different 53 limit. The limit exists in order to catch runaway regular expressions that 54 take for ever to determine that they do not match. The default is set very 55 large so that it does not accidentally catch legitimate cases. */ 56 #ifndef MATCH_LIMIT 57 #define MATCH_LIMIT 10000000 58 #endif 59 60 /* The above limit applies to all backtracks, whether or not they are nested. 61 In some environments it is desirable to limit the nesting of backtracking 62 (that is, the depth of tree that is searched) more strictly, in order to 63 restrict the maximum amount of heap memory that is used. The value of 64 MATCH_LIMIT_DEPTH provides this facility. To have any useful effect, it 65 must be less than the value of MATCH_LIMIT. The default is to use the same 66 value as MATCH_LIMIT. There is a runtime method for setting a different 67 limit. */ 68 #ifndef MATCH_LIMIT_DEPTH 69 #define MATCH_LIMIT_DEPTH MATCH_LIMIT 70 #endif 71 72 /* This limit is parameterized just in case anybody ever wants to change it. 73 Care must be taken if it is increased, because it guards against integer 74 overflow caused by enormously large patterns. */ 75 #ifndef MAX_NAME_COUNT 76 #define MAX_NAME_COUNT 10000 77 #endif 78 79 /* This limit is parameterized just in case anybody ever wants to change it. 80 Care must be taken if it is increased, because it guards against integer 81 overflow caused by enormously large patterns. */ 82 #ifndef MAX_NAME_SIZE 83 #define MAX_NAME_SIZE 32 84 #endif 85 86 /* Defining NEVER_BACKSLASH_C locks out the use of \C in all patterns. */ 87 /* #undef NEVER_BACKSLASH_C */ 88 89 /* The value of NEWLINE_DEFAULT determines the default newline character 90 sequence. PCRE2 client programs can override this by selecting other values 91 at run time. The valid values are 1 (CR), 2 (LF), 3 (CRLF), 4 (ANY), 5 92 (ANYCRLF), and 6 (NUL). */ 93 #ifndef NEWLINE_DEFAULT 94 #define NEWLINE_DEFAULT 2 95 #endif 96 97 /* The value of LINK_SIZE determines the number of bytes used to store links 98 as offsets within the compiled regex. The default is 2, which allows for 99 compiled patterns up to 64K long. This covers the vast majority of cases. 100 However, PCRE2 can also be compiled to use 3 or 4 bytes instead. This 101 allows for longer patterns in extreme cases. */ 102 #ifndef LINK_SIZE 103 #define LINK_SIZE 2 104 #endif 105 106
