Annotation of win32/pcre/pcre_config.c, revision 1.5
1.1 misha 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
1.4 misha 9: Copyright (c) 1997-2012 University of Cambridge
1.1 misha 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:
1.4 misha 48: /* Keep the original link size. */
49: static int real_link_size = LINK_SIZE;
50:
1.1 misha 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:
1.5 ! misha 68: #if defined COMPILE_PCRE8
1.2 misha 69: PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
1.1 misha 70: pcre_config(int what, void *where)
1.5 ! misha 71: #elif defined COMPILE_PCRE16
1.4 misha 72: PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
73: pcre16_config(int what, void *where)
1.5 ! misha 74: #elif defined COMPILE_PCRE32
! 75: PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
! 76: pcre32_config(int what, void *where)
1.4 misha 77: #endif
1.1 misha 78: {
79: switch (what)
80: {
81: case PCRE_CONFIG_UTF8:
1.5 ! misha 82: #if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
1.4 misha 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:
1.5 ! misha 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
1.4 misha 109: *((int *)where) = 0;
110: return PCRE_ERROR_BADOPTION;
111: #else
112: #if defined SUPPORT_UTF
1.1 misha 113: *((int *)where) = 1;
114: #else
115: *((int *)where) = 0;
116: #endif
117: break;
1.4 misha 118: #endif
1.1 misha 119:
120: case PCRE_CONFIG_UNICODE_PROPERTIES:
121: #ifdef SUPPORT_UCP
122: *((int *)where) = 1;
123: #else
124: *((int *)where) = 0;
125: #endif
126: break;
127:
1.4 misha 128: case PCRE_CONFIG_JIT:
129: #ifdef SUPPORT_JIT
130: *((int *)where) = 1;
131: #else
132: *((int *)where) = 0;
133: #endif
134: break;
135:
136: case PCRE_CONFIG_JITTARGET:
137: #ifdef SUPPORT_JIT
138: *((const char **)where) = PRIV(jit_get_target)();
139: #else
140: *((const char **)where) = NULL;
141: #endif
142: break;
143:
1.1 misha 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:
156: case PCRE_CONFIG_LINK_SIZE:
1.4 misha 157: *((int *)where) = real_link_size;
1.1 misha 158: break;
159:
160: case PCRE_CONFIG_POSIX_MALLOC_THRESHOLD:
161: *((int *)where) = POSIX_MALLOC_THRESHOLD;
162: break;
163:
164: case PCRE_CONFIG_MATCH_LIMIT:
1.3 misha 165: *((unsigned long int *)where) = MATCH_LIMIT;
1.1 misha 166: break;
167:
168: case PCRE_CONFIG_MATCH_LIMIT_RECURSION:
1.3 misha 169: *((unsigned long int *)where) = MATCH_LIMIT_RECURSION;
1.1 misha 170: break;
171:
172: case PCRE_CONFIG_STACKRECURSE:
173: #ifdef NO_RECURSE
174: *((int *)where) = 0;
175: #else
176: *((int *)where) = 1;
177: #endif
178: break;
179:
180: default: return PCRE_ERROR_BADOPTION;
181: }
182:
183: return 0;
184: }
185:
186: /* End of pcre_config.c */
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