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) 2016-2022 Sebastian Pipping <sebastian@pipping.org> 13 Copyright (c) 2022 Martin Ettl <ettl.martin78@googlemail.com> 14 Licensed under the MIT license: 15 16 Permission is hereby granted, free of charge, to any person obtaining 17 a copy of this software and associated documentation files (the 18 "Software"), to deal in the Software without restriction, including 19 without limitation the rights to use, copy, modify, merge, publish, 20 distribute, sublicense, and/or sell copies of the Software, and to permit 21 persons to whom the Software is furnished to do so, subject to the 22 following conditions: 23 24 The above copyright notice and this permission notice shall be included 25 in all copies or substantial portions of the Software. 26 27 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 28 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 29 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN 30 NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 31 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 32 OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 33 USE OR OTHER DEALINGS IN THE SOFTWARE. 34 */ 35 36 #define STRICT 1 37 #define WIN32_LEAN_AND_MEAN 1 38 39 #ifdef XML_UNICODE_WCHAR_T 40 # ifndef XML_UNICODE 41 # define XML_UNICODE 42 # endif 43 #endif 44 45 #ifdef XML_UNICODE 46 # define UNICODE 47 # define _UNICODE 48 #endif /* XML_UNICODE */ 49 #include <windows.h> 50 #include <stdio.h> 51 #include <tchar.h> 52 #include "filemap.h" 53 54 static void win32perror(const TCHAR *); 55 56 int 57 filemap(const TCHAR *name, 58 void (*processor)(const void *, size_t, const TCHAR *, void *arg), 59 void *arg) { 60 HANDLE f; 61 HANDLE m; 62 DWORD size; 63 DWORD sizeHi; 64 void *p; 65 66 f = CreateFile(name, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 67 FILE_FLAG_SEQUENTIAL_SCAN, NULL); 68 if (f == INVALID_HANDLE_VALUE) { 69 win32perror(name); 70 return 0; 71 } 72 size = GetFileSize(f, &sizeHi); 73 if (size == (DWORD)-1) { 74 win32perror(name); 75 CloseHandle(f); 76 return 0; 77 } 78 if (sizeHi || (size > XML_MAX_CHUNK_LEN)) { 79 CloseHandle(f); 80 return 2; /* Cannot be passed to XML_Parse in one go */ 81 } 82 /* CreateFileMapping barfs on zero length files */ 83 if (size == 0) { 84 static const char c = '\0'; 85 processor(&c, 0, name, arg); 86 CloseHandle(f); 87 return 1; 88 } 89 m = CreateFileMapping(f, NULL, PAGE_READONLY, 0, 0, NULL); 90 if (m == NULL) { 91 win32perror(name); 92 CloseHandle(f); 93 return 0; 94 } 95 p = MapViewOfFile(m, FILE_MAP_READ, 0, 0, 0); 96 if (p == NULL) { 97 win32perror(name); 98 CloseHandle(m); 99 CloseHandle(f); 100 return 0; 101 } 102 processor(p, size, name, arg); 103 UnmapViewOfFile(p); 104 CloseHandle(m); 105 CloseHandle(f); 106 return 1; 107 } 108 109 static void 110 win32perror(const TCHAR *s) { 111 LPVOID buf = NULL; 112 if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, 113 NULL, GetLastError(), 114 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&buf, 0, 115 NULL)) { 116 _ftprintf(stderr, _T("%s: %s"), s, buf); 117 fflush(stderr); 118 LocalFree(buf); 119 } else 120 _ftprintf(stderr, _T("%s: unknown Windows error\n"), s); 121 } 122