/[pcre]/code/trunk/config.in
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revision 53 by nigel, Sat Feb 24 21:39:42 2007 UTC revision 75 by nigel, Sat Feb 24 21:40:37 2007 UTC
# Line 11  memmove(), change the definition of HAVE Line 11  memmove(), change the definition of HAVE
11  system has neither bcopy() nor memmove(), leave them both as 0; an emulation  system has neither bcopy() nor memmove(), leave them both as 0; an emulation
12  function will be used. */  function will be used. */
13    
14  /* Define to empty if the keyword does not work. */  /* If you are compiling for a system that uses EBCDIC instead of ASCII
15    character codes, define this macro as 1. On systems that can use "configure",
16    this can be done via --enable-ebcdic. */
17    
18    #ifndef EBCDIC
19    #define EBCDIC 0
20    #endif
21    
22    /* If you are compiling for a system that needs some magic to be inserted
23    before the definition of an exported function, define this macro to contain the
24    relevant magic. It apears at the start of every exported function. */
25    
26    #define EXPORT
27    
28    /* Define to empty if the "const" keyword does not work. */
29    
30  #undef const  #undef const
31    
32  /* Define to `unsigned' if <stddef.h> doesn't define size_t. */  /* Define to "unsigned" if <stddef.h> doesn't define size_t. */
33    
34  #undef size_t  #undef size_t
35    
# Line 44  On Unix systems, "configure" can be used Line 58  On Unix systems, "configure" can be used
58  #define NEWLINE '\n'  #define NEWLINE '\n'
59  #endif  #endif
60    
61    /* The value of LINK_SIZE determines the number of bytes used to store
62    links as offsets within the compiled regex. The default is 2, which allows for
63    compiled patterns up to 64K long. This covers the vast majority of cases.
64    However, PCRE can also be compiled to use 3 or 4 bytes instead. This allows for
65    longer patterns in extreme cases. On Unix systems, "configure" can be used to
66    override this default. */
67    
68    #ifndef LINK_SIZE
69    #define LINK_SIZE   2
70    #endif
71    
72    /* The value of MATCH_LIMIT determines the default number of times the match()
73    function can be called during a single execution of pcre_exec(). (There is a
74    runtime method of setting a different limit.) The limit exists in order to
75    catch runaway regular expressions that take for ever to determine that they do
76    not match. The default is set very large so that it does not accidentally catch
77    legitimate cases. On Unix systems, "configure" can be used to override this
78    default default. */
79    
80    #ifndef MATCH_LIMIT
81    #define MATCH_LIMIT 10000000
82    #endif
83    
84    /* When calling PCRE via the POSIX interface, additional working storage is
85    required for holding the pointers to capturing substrings because PCRE requires
86    three integers per substring, whereas the POSIX interface provides only two. If
87    the number of expected substrings is small, the wrapper function uses space on
88    the stack, because this is faster than using malloc() for each call. The
89    threshold above which the stack is no longer use is defined by POSIX_MALLOC_
90    THRESHOLD. On Unix systems, "configure" can be used to override this default.
91    */
92    
93    #ifndef POSIX_MALLOC_THRESHOLD
94    #define POSIX_MALLOC_THRESHOLD 10
95    #endif
96    
97    /* PCRE uses recursive function calls to handle backtracking while matching.
98    This can sometimes be a problem on systems that have stacks of limited size.
99    Define NO_RECURSE to get a version that doesn't use recursion in the match()
100    function; instead it creates its own stack by steam using pcre_recurse_malloc
101    to get memory. For more detail, see comments and other stuff just above the
102    match() function. On Unix systems, "configure" can be used to set this in the
103    Makefile (use --disable-stack-for-recursion). */
104    
105    /* #define NO_RECURSE */
106    
107  /* End */  /* End */

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