Annotation of embedaddon/pcre/pcre_config.c, revision 1.1.1.2
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
1.1.1.2 ! misho 9: Copyright (c) 1997-2012 University of Cambridge
1.1 misho 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:
1.1.1.2 ! misho 48: /* Keep the original link size. */
! 49: static int real_link_size = LINK_SIZE;
! 50:
1.1 misho 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:
1.1.1.2 ! misho 68: #ifdef COMPILE_PCRE8
1.1 misho 69: PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
70: pcre_config(int what, void *where)
1.1.1.2 ! misho 71: #else
! 72: PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
! 73: pcre16_config(int what, void *where)
! 74: #endif
1.1 misho 75: {
76: switch (what)
77: {
78: case PCRE_CONFIG_UTF8:
1.1.1.2 ! misho 79: #if defined COMPILE_PCRE16
! 80: *((int *)where) = 0;
! 81: return PCRE_ERROR_BADOPTION;
! 82: #else
! 83: #if defined SUPPORT_UTF
1.1 misho 84: *((int *)where) = 1;
85: #else
86: *((int *)where) = 0;
87: #endif
88: break;
1.1.1.2 ! misho 89: #endif
! 90:
! 91: case PCRE_CONFIG_UTF16:
! 92: #if defined COMPILE_PCRE8
! 93: *((int *)where) = 0;
! 94: return PCRE_ERROR_BADOPTION;
! 95: #else
! 96: #if defined SUPPORT_UTF
! 97: *((int *)where) = 1;
! 98: #else
! 99: *((int *)where) = 0;
! 100: #endif
! 101: break;
! 102: #endif
1.1 misho 103:
104: case PCRE_CONFIG_UNICODE_PROPERTIES:
105: #ifdef SUPPORT_UCP
106: *((int *)where) = 1;
107: #else
108: *((int *)where) = 0;
109: #endif
110: break;
111:
112: case PCRE_CONFIG_JIT:
113: #ifdef SUPPORT_JIT
114: *((int *)where) = 1;
115: #else
116: *((int *)where) = 0;
117: #endif
118: break;
119:
1.1.1.2 ! misho 120: case PCRE_CONFIG_JITTARGET:
! 121: #ifdef SUPPORT_JIT
! 122: *((const char **)where) = PRIV(jit_get_target)();
! 123: #else
! 124: *((const char **)where) = NULL;
! 125: #endif
! 126: break;
! 127:
1.1 misho 128: case PCRE_CONFIG_NEWLINE:
129: *((int *)where) = NEWLINE;
130: break;
131:
132: case PCRE_CONFIG_BSR:
133: #ifdef BSR_ANYCRLF
134: *((int *)where) = 1;
135: #else
136: *((int *)where) = 0;
137: #endif
138: break;
139:
140: case PCRE_CONFIG_LINK_SIZE:
1.1.1.2 ! misho 141: *((int *)where) = real_link_size;
1.1 misho 142: break;
143:
144: case PCRE_CONFIG_POSIX_MALLOC_THRESHOLD:
145: *((int *)where) = POSIX_MALLOC_THRESHOLD;
146: break;
147:
148: case PCRE_CONFIG_MATCH_LIMIT:
149: *((unsigned long int *)where) = MATCH_LIMIT;
150: break;
151:
152: case PCRE_CONFIG_MATCH_LIMIT_RECURSION:
153: *((unsigned long int *)where) = MATCH_LIMIT_RECURSION;
154: break;
155:
156: case PCRE_CONFIG_STACKRECURSE:
157: #ifdef NO_RECURSE
158: *((int *)where) = 0;
159: #else
160: *((int *)where) = 1;
161: #endif
162: break;
163:
164: default: return PCRE_ERROR_BADOPTION;
165: }
166:
167: return 0;
168: }
169:
170: /* End of pcre_config.c */
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