NCBI C++ ToolKit
pcre_config.c
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1 /*************************************************
2 * Perl-Compatible Regular Expressions *
3 *************************************************/
4 
5 /* PCRE is a library of functions to support regular expressions whose syntax
6 and semantics are as close as possible to those of the Perl 5 language.
7 
8  Written by Philip Hazel
9  Copyright (c) 1997-2012 University of Cambridge
10 
11 -----------------------------------------------------------------------------
12 Redistribution and use in source and binary forms, with or without
13 modification, are permitted provided that the following conditions are met:
14 
15  * Redistributions of source code must retain the above copyright notice,
16  this list of conditions and the following disclaimer.
17 
18  * Redistributions in binary form must reproduce the above copyright
19  notice, this list of conditions and the following disclaimer in the
20  documentation and/or other materials provided with the distribution.
21 
22  * Neither the name of the University of Cambridge nor the names of its
23  contributors may be used to endorse or promote products derived from
24  this software without specific prior written permission.
25 
26 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
27 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
30 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 POSSIBILITY OF SUCH DAMAGE.
37 -----------------------------------------------------------------------------
38 */
39 
40 
41 /* This module contains the external function pcre_config(). */
42 
43 
44 #ifdef HAVE_CONFIG_H
45 #include "config.h"
46 #endif
47 
48 /* Keep the original link size. */
50 
51 #include "pcre_internal.h"
52 
53 
54 /*************************************************
55 * Return info about what features are configured *
56 *************************************************/
57 
58 /* This function has an extensible interface so that additional items can be
59 added compatibly.
60 
61 Arguments:
62  what what information is required
63  where where to put the information
64 
65 Returns: 0 if data returned, negative on error
66 */
67 
68 #if defined COMPILE_PCRE8
70 pcre_config(int what, void *where)
71 #elif defined COMPILE_PCRE16
73 pcre16_config(int what, void *where)
74 #elif defined COMPILE_PCRE32
76 pcre32_config(int what, void *where)
77 #endif
78 {
79 switch (what)
80  {
81  case PCRE_CONFIG_UTF8:
82 #if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
83  *((int *)where) = 0;
84  return PCRE_ERROR_BADOPTION;
85 #else
86 #if defined SUPPORT_UTF
87  *((int *)where) = 1;
88 #else
89  *((int *)where) = 0;
90 #endif
91  break;
92 #endif
93 
94  case PCRE_CONFIG_UTF16:
95 #if defined COMPILE_PCRE8 || defined COMPILE_PCRE32
96  *((int *)where) = 0;
97  return PCRE_ERROR_BADOPTION;
98 #else
99 #if defined SUPPORT_UTF
100  *((int *)where) = 1;
101 #else
102  *((int *)where) = 0;
103 #endif
104  break;
105 #endif
106 
107  case PCRE_CONFIG_UTF32:
108 #if defined COMPILE_PCRE8 || defined COMPILE_PCRE16
109  *((int *)where) = 0;
110  return PCRE_ERROR_BADOPTION;
111 #else
112 #if defined SUPPORT_UTF
113  *((int *)where) = 1;
114 #else
115  *((int *)where) = 0;
116 #endif
117  break;
118 #endif
119 
121 #ifdef SUPPORT_UCP
122  *((int *)where) = 1;
123 #else
124  *((int *)where) = 0;
125 #endif
126  break;
127 
128  case PCRE_CONFIG_JIT:
129 #ifdef SUPPORT_JIT
130  *((int *)where) = 1;
131 #else
132  *((int *)where) = 0;
133 #endif
134  break;
135 
137 #ifdef SUPPORT_JIT
138  *((const char **)where) = PRIV(jit_get_target)();
139 #else
140  *((const char **)where) = NULL;
141 #endif
142  break;
143 
144  case PCRE_CONFIG_NEWLINE:
145  *((int *)where) = NEWLINE;
146  break;
147 
148  case PCRE_CONFIG_BSR:
149 #ifdef BSR_ANYCRLF
150  *((int *)where) = 1;
151 #else
152  *((int *)where) = 0;
153 #endif
154  break;
155 
157  *((int *)where) = real_link_size;
158  break;
159 
161  *((int *)where) = POSIX_MALLOC_THRESHOLD;
162  break;
163 
165  *((unsigned long int *)where) = PARENS_NEST_LIMIT;
166  break;
167 
169  *((unsigned long int *)where) = MATCH_LIMIT;
170  break;
171 
173  *((unsigned long int *)where) = MATCH_LIMIT_RECURSION;
174  break;
175 
177 #ifdef NO_RECURSE
178  *((int *)where) = 0;
179 #else
180  *((int *)where) = 1;
181 #endif
182  break;
183 
184  default: return PCRE_ERROR_BADOPTION;
185  }
186 
187 return 0;
188 }
189 
190 /* End of pcre_config.c */
#define NEWLINE
#define NULL
Definition: ncbistd.hpp:225
#define PCRE_CONFIG_LINK_SIZE
Definition: pcre.h:296
#define PCRE_CONFIG_UNICODE_PROPERTIES
Definition: pcre.h:300
#define PCRE_CONFIG_JIT
Definition: pcre.h:303
#define PCRE_CONFIG_JITTARGET
Definition: pcre.h:305
#define PCRE_CONFIG_UTF16
Definition: pcre.h:304
int pcre32_config(int, void *)
#define PCRE_ERROR_BADOPTION
Definition: pcre.h:183
#define PCRE_CONFIG_MATCH_LIMIT
Definition: pcre.h:298
#define PCRE_CONFIG_PARENS_LIMIT
Definition: pcre.h:307
#define PCRE_CONFIG_MATCH_LIMIT_RECURSION
Definition: pcre.h:301
#define PCRE_CONFIG_POSIX_MALLOC_THRESHOLD
Definition: pcre.h:297
#define PCRE_CONFIG_UTF32
Definition: pcre.h:306
#define PCRE_CONFIG_NEWLINE
Definition: pcre.h:295
#define PCRE_CONFIG_STACKRECURSE
Definition: pcre.h:299
#define PCRE_CONFIG_UTF8
Definition: pcre.h:294
#define PCRE_CONFIG_BSR
Definition: pcre.h:302
int pcre16_config(int, void *)
int pcre_config(int what, void *where)
Definition: pcre_config.c:70
static int real_link_size
Definition: pcre_config.c:49
#define PCRE_EXP_DEFN
#define PCRE_CALL_CONVENTION
#define PRIV(name)
#define POSIX_MALLOC_THRESHOLD
Definition: config.h:313
#define MATCH_LIMIT_RECURSION
Definition: config.h:216
#define LINK_SIZE
Definition: config.h:188
#define MATCH_LIMIT
Definition: config.h:204
#define PARENS_NEST_LIMIT
Definition: config.h:279
Modified on Mon Apr 22 04:04:54 2024 by modify_doxy.py rev. 669887