Add expat 2.1.0 for Windows, Mac, and for local Linux builds (use system expat otherwise)

lib-src/expat/xmlwf/win32filemap.c

@@ -0,0 +1,96 @@
+/* Copyright (c) 1998, 1999 Thai Open Source Software Center Ltd
+   See the file COPYING for copying permission.
+*/
+
+#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);
+}