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- /*
- The contents of this file are subject to the Mozilla Public License
- Version 1.1 (the "License"); you may not use this file except in
- compliance with the License. You may obtain a copy of the License at
- http://www.mozilla.org/MPL/
-
- Software distributed under the License is distributed on an "AS IS"
- basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
- License for the specific language governing rights and limitations
- under the License.
-
- The Original Code is expat.
-
- The Initial Developer of the Original Code is James Clark.
- Portions created by James Clark are Copyright (C) 1998, 1999
- James Clark. All Rights Reserved.
-
- Contributor(s):
-
- Alternatively, the contents of this file may be used under the terms
- of the GNU General Public License (the "GPL"), in which case the
- provisions of the GPL are applicable instead of those above. If you
- wish to allow use of your version of this file only under the terms of
- the GPL and not to allow others to use your version of this file under
- the MPL, indicate your decision by deleting the provisions above and
- replace them with the notice and other provisions required by the
- GPL. If you do not delete the provisions above, a recipient may use
- your version of this file under either the MPL or the GPL.
- */
-
- #define STRICT 1
- #define WIN32_LEAN_AND_MEAN 1
-
- #ifdef XML_UNICODE_WCHAR_T
- #ifndef XML_UNICODE
- #define XML_UNICODE
- #endif
- #endif
-
- #ifdef XML_UNICODE
- #define UNICODE
- #define _UNICODE
- #endif /* XML_UNICODE */
- #include <windows.h>
- #include <stdio.h>
- #include <tchar.h>
- #include "filemap.h"
-
- static void win32perror(const TCHAR *);
-
- int filemap(const TCHAR *name,
- void (*processor)(const void *, size_t, const TCHAR *, void *arg),
- void *arg)
- {
- HANDLE f;
- HANDLE m;
- DWORD size;
- DWORD sizeHi;
- void *p;
-
- f = CreateFile(name, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING,
- FILE_FLAG_SEQUENTIAL_SCAN, NULL);
- if (f == INVALID_HANDLE_VALUE) {
- win32perror(name);
- return 0;
- }
- size = GetFileSize(f, &sizeHi);
- if (size == (DWORD)-1) {
- win32perror(name);
- return 0;
- }
- if (sizeHi) {
- _ftprintf(stderr, _T("%s: bigger than 2Gb\n"), name);
- return 0;
- }
- /* CreateFileMapping barfs on zero length files */
- if (size == 0) {
- static const char c = '\0';
- processor(&c, 0, name, arg);
- CloseHandle(f);
- return 1;
- }
- m = CreateFileMapping(f, NULL, PAGE_READONLY, 0, 0, NULL);
- if (m == NULL) {
- win32perror(name);
- CloseHandle(f);
- return 0;
- }
- p = MapViewOfFile(m, FILE_MAP_READ, 0, 0, 0);
- if (p == NULL) {
- win32perror(name);
- CloseHandle(m);
- CloseHandle(f);
- return 0;
- }
- processor(p, size, name, arg);
- UnmapViewOfFile(p);
- CloseHandle(m);
- CloseHandle(f);
- return 1;
- }
-
- static
- void win32perror(const TCHAR *s)
- {
- LPVOID buf;
- if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
- NULL,
- GetLastError(),
- MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
- (LPTSTR) &buf,
- 0,
- NULL)) {
- _ftprintf(stderr, _T("%s: %s"), s, buf);
- fflush(stderr);
- LocalFree(buf);
- }
- else
- _ftprintf(stderr, _T("%s: unknown Windows error\n"), s);
- }
-