xref: /freebsd/contrib/expat/xmlwf/filemap.h (revision 5f4c09dd85bff675e0ca63c55ea3c517e0fddfcc)
1 /*
2                             __  __            _
3                          ___\ \/ /_ __   __ _| |_
4                         / _ \\  /| '_ \ / _` | __|
5                        |  __//  \| |_) | (_| | |_
6                         \___/_/\_\ .__/ \__,_|\__|
7                                  |_| XML parser
8 
9    Copyright (c) 1997-2000 Thai Open Source Software Center Ltd
10    Copyright (c) 2000      Clark Cooper <coopercc@users.sourceforge.net>
11    Copyright (c) 2002      Fred L. Drake, Jr. <fdrake@users.sourceforge.net>
12    Copyright (c) 2016-2017 Sebastian Pipping <sebastian@pipping.org>
13    Licensed under the MIT license:
14 
15    Permission is  hereby granted,  free of charge,  to any  person obtaining
16    a  copy  of  this  software   and  associated  documentation  files  (the
17    "Software"),  to  deal in  the  Software  without restriction,  including
18    without  limitation the  rights  to use,  copy,  modify, merge,  publish,
19    distribute, sublicense, and/or sell copies of the Software, and to permit
20    persons  to whom  the Software  is  furnished to  do so,  subject to  the
21    following conditions:
22 
23    The above copyright  notice and this permission notice  shall be included
24    in all copies or substantial portions of the Software.
25 
26    THE  SOFTWARE  IS  PROVIDED  "AS  IS",  WITHOUT  WARRANTY  OF  ANY  KIND,
27    EXPRESS  OR IMPLIED,  INCLUDING  BUT  NOT LIMITED  TO  THE WARRANTIES  OF
28    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
29    NO EVENT SHALL THE AUTHORS OR  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
30    DAMAGES OR  OTHER LIABILITY, WHETHER  IN AN  ACTION OF CONTRACT,  TORT OR
31    OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
32    USE OR OTHER DEALINGS IN THE SOFTWARE.
33 */
34 
35 #include <limits.h> /* INT_MAX */
36 #include <stddef.h>
37 
38 /* The following limit (for XML_Parse's int len) derives from
39  * this loop in xmparse.c:
40  *
41  *    do {
42  *      bufferSize = (int) (2U * (unsigned) bufferSize);
43  *    } while (bufferSize < neededSize && bufferSize > 0);
44  */
45 #define XML_MAX_CHUNK_LEN (INT_MAX / 2 + 1)
46 
47 #ifdef XML_UNICODE
48 int filemap(const wchar_t *name,
49             void (*processor)(const void *, size_t, const wchar_t *, void *arg),
50             void *arg);
51 #else
52 int filemap(const char *name,
53             void (*processor)(const void *, size_t, const char *, void *arg),
54             void *arg);
55 #endif
56