Annotation of embedaddon/pcre/pcre_config.c, revision 1.1.1.1
1.1 misho 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) 1997-2011 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: #include "pcre_internal.h"
49:
50:
51: /*************************************************
52: * Return info about what features are configured *
53: *************************************************/
54:
55: /* This function has an extensible interface so that additional items can be
56: added compatibly.
57:
58: Arguments:
59: what what information is required
60: where where to put the information
61:
62: Returns: 0 if data returned, negative on error
63: */
64:
65: PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
66: pcre_config(int what, void *where)
67: {
68: switch (what)
69: {
70: case PCRE_CONFIG_UTF8:
71: #ifdef SUPPORT_UTF8
72: *((int *)where) = 1;
73: #else
74: *((int *)where) = 0;
75: #endif
76: break;
77:
78: case PCRE_CONFIG_UNICODE_PROPERTIES:
79: #ifdef SUPPORT_UCP
80: *((int *)where) = 1;
81: #else
82: *((int *)where) = 0;
83: #endif
84: break;
85:
86: case PCRE_CONFIG_JIT:
87: #ifdef SUPPORT_JIT
88: *((int *)where) = 1;
89: #else
90: *((int *)where) = 0;
91: #endif
92: break;
93:
94: case PCRE_CONFIG_NEWLINE:
95: *((int *)where) = NEWLINE;
96: break;
97:
98: case PCRE_CONFIG_BSR:
99: #ifdef BSR_ANYCRLF
100: *((int *)where) = 1;
101: #else
102: *((int *)where) = 0;
103: #endif
104: break;
105:
106: case PCRE_CONFIG_LINK_SIZE:
107: *((int *)where) = LINK_SIZE;
108: break;
109:
110: case PCRE_CONFIG_POSIX_MALLOC_THRESHOLD:
111: *((int *)where) = POSIX_MALLOC_THRESHOLD;
112: break;
113:
114: case PCRE_CONFIG_MATCH_LIMIT:
115: *((unsigned long int *)where) = MATCH_LIMIT;
116: break;
117:
118: case PCRE_CONFIG_MATCH_LIMIT_RECURSION:
119: *((unsigned long int *)where) = MATCH_LIMIT_RECURSION;
120: break;
121:
122: case PCRE_CONFIG_STACKRECURSE:
123: #ifdef NO_RECURSE
124: *((int *)where) = 0;
125: #else
126: *((int *)where) = 1;
127: #endif
128: break;
129:
130: default: return PCRE_ERROR_BADOPTION;
131: }
132:
133: return 0;
134: }
135:
136: /* End of pcre_config.c */
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