--- /dev/null
+/*
+ * Windows support routines for PhysicsFS.
+ *
+ * Please see the file LICENSE.txt in the source's root directory.
+ *
+ * This file written by Ryan C. Gordon, and made sane by Gregory S. Read.
+ */
+
+#define __PHYSICSFS_INTERNAL__
+#include "physfs_platforms.h"
+
+#ifdef PHYSFS_PLATFORM_WINDOWS
+
+/* Forcibly disable UNICODE, since we manage this ourselves. */
+#ifdef UNICODE
+#undef UNICODE
+#endif
+
+#include <windows.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <time.h>
+
+#include "physfs_internal.h"
+
+#define LOWORDER_UINT64(pos) ((PHYSFS_uint32) (pos & 0xFFFFFFFF))
+#define HIGHORDER_UINT64(pos) ((PHYSFS_uint32) ((pos >> 32) & 0xFFFFFFFF))
+
+/*
+ * Users without the platform SDK don't have this defined. The original docs
+ * for SetFilePointer() just said to compare with 0xFFFFFFFF, so this should
+ * work as desired.
+ */
+#define PHYSFS_INVALID_SET_FILE_POINTER 0xFFFFFFFF
+
+/* just in case... */
+#define PHYSFS_INVALID_FILE_ATTRIBUTES 0xFFFFFFFF
+
+/* Not defined before the Vista SDK. */
+#define PHYSFS_IO_REPARSE_TAG_SYMLINK 0xA000000C
+
+
+#define UTF8_TO_UNICODE_STACK_MACRO(w_assignto, str) { \
+ if (str == NULL) \
+ w_assignto = NULL; \
+ else { \
+ const PHYSFS_uint64 len = (PHYSFS_uint64) ((strlen(str) + 1) * 2); \
+ w_assignto = (WCHAR *) __PHYSFS_smallAlloc(len); \
+ if (w_assignto != NULL) \
+ PHYSFS_utf8ToUcs2(str, (PHYSFS_uint16 *) w_assignto, len); \
+ } \
+} \
+
+static PHYSFS_uint64 wStrLen(const WCHAR *wstr)
+{
+ PHYSFS_uint64 len = 0;
+ while (*(wstr++))
+ len++;
+ return(len);
+} /* wStrLen */
+
+static char *unicodeToUtf8Heap(const WCHAR *w_str)
+{
+ char *retval = NULL;
+ if (w_str != NULL)
+ {
+ void *ptr = NULL;
+ const PHYSFS_uint64 len = (wStrLen(w_str) * 4) + 1;
+ retval = allocator.Malloc(len);
+ BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
+ PHYSFS_utf8FromUcs2((const PHYSFS_uint16 *) w_str, retval, len);
+ ptr = allocator.Realloc(retval, strlen(retval) + 1); /* shrink. */
+ if (ptr != NULL)
+ retval = (char *) ptr;
+ } /* if */
+ return(retval);
+} /* unicodeToUtf8Heap */
+
+
+static char *codepageToUtf8Heap(const char *cpstr)
+{
+ char *retval = NULL;
+ if (cpstr != NULL)
+ {
+ const int len = (int) (strlen(cpstr) + 1);
+ WCHAR *wbuf = (WCHAR *) __PHYSFS_smallAlloc(len * sizeof (WCHAR));
+ BAIL_IF_MACRO(wbuf == NULL, ERR_OUT_OF_MEMORY, NULL);
+ MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, cpstr, len, wbuf, len);
+ retval = (char *) allocator.Malloc(len * 4);
+ if (retval == NULL)
+ __PHYSFS_setError(ERR_OUT_OF_MEMORY);
+ else
+ PHYSFS_utf8FromUcs2(wbuf, retval, len * 4);
+ __PHYSFS_smallFree(wbuf);
+ } /* if */
+ return(retval);
+} /* codepageToUtf8Heap */
+
+
+typedef struct
+{
+ HANDLE handle;
+ int readonly;
+} WinApiFile;
+
+
+static char *userDir = NULL;
+static int osHasUnicode = 0;
+
+
+/* pointers for APIs that may not exist on some Windows versions... */
+static HANDLE libKernel32 = NULL;
+static HANDLE libUserEnv = NULL;
+static HANDLE libAdvApi32 = NULL;
+static DWORD (WINAPI *pGetModuleFileNameW)(HMODULE, LPWCH, DWORD);
+static BOOL (WINAPI *pGetUserProfileDirectoryW)(HANDLE, LPWSTR, LPDWORD);
+static BOOL (WINAPI *pGetUserNameW)(LPWSTR, LPDWORD);
+static DWORD (WINAPI *pGetFileAttributesW)(LPCWSTR);
+static HANDLE (WINAPI *pFindFirstFileW)(LPCWSTR, LPWIN32_FIND_DATAW);
+static BOOL (WINAPI *pFindNextFileW)(HANDLE, LPWIN32_FIND_DATAW);
+static DWORD (WINAPI *pGetCurrentDirectoryW)(DWORD, LPWSTR);
+static BOOL (WINAPI *pDeleteFileW)(LPCWSTR);
+static BOOL (WINAPI *pRemoveDirectoryW)(LPCWSTR);
+static BOOL (WINAPI *pCreateDirectoryW)(LPCWSTR, LPSECURITY_ATTRIBUTES);
+static BOOL (WINAPI *pGetFileAttributesExA)
+ (LPCSTR, GET_FILEEX_INFO_LEVELS, LPVOID);
+static BOOL (WINAPI *pGetFileAttributesExW)
+ (LPCWSTR, GET_FILEEX_INFO_LEVELS, LPVOID);
+static DWORD (WINAPI *pFormatMessageW)
+ (DWORD, LPCVOID, DWORD, DWORD, LPWSTR, DWORD, va_list *);
+static HANDLE (WINAPI *pCreateFileW)
+ (LPCWSTR, DWORD, DWORD, LPSECURITY_ATTRIBUTES, DWORD, DWORD, HANDLE);
+
+
+/*
+ * Fallbacks for missing Unicode functions on Win95/98/ME. These are filled
+ * into the function pointers if looking up the real Unicode entry points
+ * in the system DLLs fails, so they're never used on WinNT/XP/Vista/etc.
+ * They make an earnest effort to convert to/from UTF-8 and UCS-2 to
+ * the user's current codepage.
+ */
+
+static BOOL WINAPI fallbackGetUserNameW(LPWSTR buf, LPDWORD len)
+{
+ const DWORD cplen = *len;
+ char *cpstr = __PHYSFS_smallAlloc(cplen);
+ BOOL retval = GetUserNameA(cpstr, len);
+ if (buf != NULL)
+ MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, cpstr, cplen, buf, *len);
+ __PHYSFS_smallFree(cpstr);
+ return(retval);
+} /* fallbackGetUserNameW */
+
+static DWORD WINAPI fallbackFormatMessageW(DWORD dwFlags, LPCVOID lpSource,
+ DWORD dwMessageId, DWORD dwLangId,
+ LPWSTR lpBuf, DWORD nSize,
+ va_list *Arguments)
+{
+ char *cpbuf = (char *) __PHYSFS_smallAlloc(nSize);
+ DWORD retval = FormatMessageA(dwFlags, lpSource, dwMessageId, dwLangId,
+ cpbuf, nSize, Arguments);
+ if (retval > 0)
+ MultiByteToWideChar(CP_ACP,MB_PRECOMPOSED,cpbuf,retval,lpBuf,nSize);
+ __PHYSFS_smallFree(cpbuf);
+ return(retval);
+} /* fallbackFormatMessageW */
+
+static DWORD WINAPI fallbackGetModuleFileNameW(HMODULE hMod, LPWCH lpBuf,
+ DWORD nSize)
+{
+ char *cpbuf = (char *) __PHYSFS_smallAlloc(nSize);
+ DWORD retval = GetModuleFileNameA(hMod, cpbuf, nSize);
+ if (retval > 0)
+ MultiByteToWideChar(CP_ACP,MB_PRECOMPOSED,cpbuf,retval,lpBuf,nSize);
+ __PHYSFS_smallFree(cpbuf);
+ return(retval);
+} /* fallbackGetModuleFileNameW */
+
+static DWORD WINAPI fallbackGetFileAttributesW(LPCWSTR fname)
+{
+ DWORD retval = 0;
+ const int buflen = (int) (wStrLen(fname) + 1);
+ char *cpstr = (char *) __PHYSFS_smallAlloc(buflen);
+ WideCharToMultiByte(CP_ACP, 0, fname, buflen, cpstr, buflen, NULL, NULL);
+ retval = GetFileAttributesA(cpstr);
+ __PHYSFS_smallFree(cpstr);
+ return(retval);
+} /* fallbackGetFileAttributesW */
+
+static DWORD WINAPI fallbackGetCurrentDirectoryW(DWORD buflen, LPWSTR buf)
+{
+ DWORD retval = 0;
+ char *cpbuf = NULL;
+ if (buf != NULL)
+ cpbuf = (char *) __PHYSFS_smallAlloc(buflen);
+ retval = GetCurrentDirectoryA(buflen, cpbuf);
+ if (cpbuf != NULL)
+ {
+ MultiByteToWideChar(CP_ACP,MB_PRECOMPOSED,cpbuf,retval,buf,buflen);
+ __PHYSFS_smallFree(cpbuf);
+ } /* if */
+ return(retval);
+} /* fallbackGetCurrentDirectoryW */
+
+static BOOL WINAPI fallbackRemoveDirectoryW(LPCWSTR dname)
+{
+ BOOL retval = 0;
+ const int buflen = (int) (wStrLen(dname) + 1);
+ char *cpstr = (char *) __PHYSFS_smallAlloc(buflen);
+ WideCharToMultiByte(CP_ACP, 0, dname, buflen, cpstr, buflen, NULL, NULL);
+ retval = RemoveDirectoryA(cpstr);
+ __PHYSFS_smallFree(cpstr);
+ return(retval);
+} /* fallbackRemoveDirectoryW */
+
+static BOOL WINAPI fallbackCreateDirectoryW(LPCWSTR dname,
+ LPSECURITY_ATTRIBUTES attr)
+{
+ BOOL retval = 0;
+ const int buflen = (int) (wStrLen(dname) + 1);
+ char *cpstr = (char *) __PHYSFS_smallAlloc(buflen);
+ WideCharToMultiByte(CP_ACP, 0, dname, buflen, cpstr, buflen, NULL, NULL);
+ retval = CreateDirectoryA(cpstr, attr);
+ __PHYSFS_smallFree(cpstr);
+ return(retval);
+} /* fallbackCreateDirectoryW */
+
+static BOOL WINAPI fallbackDeleteFileW(LPCWSTR fname)
+{
+ BOOL retval = 0;
+ const int buflen = (int) (wStrLen(fname) + 1);
+ char *cpstr = (char *) __PHYSFS_smallAlloc(buflen);
+ WideCharToMultiByte(CP_ACP, 0, fname, buflen, cpstr, buflen, NULL, NULL);
+ retval = DeleteFileA(cpstr);
+ __PHYSFS_smallFree(cpstr);
+ return(retval);
+} /* fallbackDeleteFileW */
+
+static HANDLE WINAPI fallbackCreateFileW(LPCWSTR fname,
+ DWORD dwDesiredAccess, DWORD dwShareMode,
+ LPSECURITY_ATTRIBUTES lpSecurityAttrs,
+ DWORD dwCreationDisposition,
+ DWORD dwFlagsAndAttrs, HANDLE hTemplFile)
+{
+ HANDLE retval;
+ const int buflen = (int) (wStrLen(fname) + 1);
+ char *cpstr = (char *) __PHYSFS_smallAlloc(buflen);
+ WideCharToMultiByte(CP_ACP, 0, fname, buflen, cpstr, buflen, NULL, NULL);
+ retval = CreateFileA(cpstr, dwDesiredAccess, dwShareMode, lpSecurityAttrs,
+ dwCreationDisposition, dwFlagsAndAttrs, hTemplFile);
+ __PHYSFS_smallFree(cpstr);
+ return(retval);
+} /* fallbackCreateFileW */
+
+
+#if (PHYSFS_MINIMUM_GCC_VERSION(3,3))
+ typedef FARPROC __attribute__((__may_alias__)) PHYSFS_FARPROC;
+#else
+ typedef FARPROC PHYSFS_FARPROC;
+#endif
+
+
+static void symLookup(HMODULE dll, PHYSFS_FARPROC *addr, const char *sym,
+ int reallyLook, PHYSFS_FARPROC fallback)
+{
+ PHYSFS_FARPROC proc;
+ proc = (PHYSFS_FARPROC) ((reallyLook) ? GetProcAddress(dll, sym) : NULL);
+ if (proc == NULL)
+ proc = fallback; /* may also be NULL. */
+ *addr = proc;
+} /* symLookup */
+
+
+static int findApiSymbols(void)
+{
+ HMODULE dll = NULL;
+
+ #define LOOKUP_NOFALLBACK(x, reallyLook) \
+ symLookup(dll, (PHYSFS_FARPROC *) &p##x, #x, reallyLook, NULL)
+
+ #define LOOKUP(x, reallyLook) \
+ symLookup(dll, (PHYSFS_FARPROC *) &p##x, #x, \
+ reallyLook, (PHYSFS_FARPROC) fallback##x)
+
+ /* Apparently Win9x HAS the Unicode entry points, they just don't WORK. */
+ /* ...so don't look them up unless we're on NT+. (see osHasUnicode.) */
+
+ dll = libUserEnv = LoadLibraryA("userenv.dll");
+ if (dll != NULL)
+ LOOKUP_NOFALLBACK(GetUserProfileDirectoryW, osHasUnicode);
+
+ /* !!! FIXME: what do they call advapi32.dll on Win64? */
+ dll = libAdvApi32 = LoadLibraryA("advapi32.dll");
+ if (dll != NULL)
+ LOOKUP(GetUserNameW, osHasUnicode);
+
+ /* !!! FIXME: what do they call kernel32.dll on Win64? */
+ dll = libKernel32 = LoadLibraryA("kernel32.dll");
+ if (dll != NULL)
+ {
+ LOOKUP_NOFALLBACK(GetFileAttributesExA, 1);
+ LOOKUP_NOFALLBACK(GetFileAttributesExW, osHasUnicode);
+ LOOKUP_NOFALLBACK(FindFirstFileW, osHasUnicode);
+ LOOKUP_NOFALLBACK(FindNextFileW, osHasUnicode);
+ LOOKUP(GetModuleFileNameW, osHasUnicode);
+ LOOKUP(FormatMessageW, osHasUnicode);
+ LOOKUP(GetFileAttributesW, osHasUnicode);
+ LOOKUP(GetCurrentDirectoryW, osHasUnicode);
+ LOOKUP(CreateDirectoryW, osHasUnicode);
+ LOOKUP(RemoveDirectoryW, osHasUnicode);
+ LOOKUP(CreateFileW, osHasUnicode);
+ LOOKUP(DeleteFileW, osHasUnicode);
+ } /* if */
+
+ #undef LOOKUP_NOFALLBACK
+ #undef LOOKUP
+
+ return(1);
+} /* findApiSymbols */
+
+
+const char *__PHYSFS_platformDirSeparator = "\\";
+
+
+/*
+ * Figure out what the last failing Windows API call was, and
+ * generate a human-readable string for the error message.
+ *
+ * The return value is a static buffer that is overwritten with
+ * each call to this function.
+ */
+static const char *winApiStrError(void)
+{
+ static char utf8buf[255];
+ WCHAR msgbuf[255];
+ WCHAR *ptr;
+ DWORD rc = pFormatMessageW(
+ FORMAT_MESSAGE_FROM_SYSTEM |
+ FORMAT_MESSAGE_IGNORE_INSERTS,
+ NULL, GetLastError(),
+ MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+ msgbuf, __PHYSFS_ARRAYLEN(msgbuf),
+ NULL);
+
+ if (rc == 0)
+ msgbuf[0] = '\0'; /* oh well. */
+
+ /* chop off newlines. */
+ for (ptr = msgbuf; *ptr; ptr++)
+ {
+ if ((*ptr == '\n') || (*ptr == '\r'))
+ {
+ *ptr = '\0';
+ break;
+ } /* if */
+ } /* for */
+
+ /* may truncate, but oh well. */
+ PHYSFS_utf8FromUcs2((PHYSFS_uint16 *) msgbuf, utf8buf, sizeof (utf8buf));
+ return((const char *) utf8buf);
+} /* winApiStrError */
+
+
+static char *getExePath(void)
+{
+ DWORD buflen = 64;
+ LPWSTR modpath = NULL;
+ char *retval = NULL;
+
+ while (1)
+ {
+ DWORD rc;
+ void *ptr;
+
+ if ( !(ptr = allocator.Realloc(modpath, buflen*sizeof(WCHAR))) )
+ {
+ allocator.Free(modpath);
+ BAIL_MACRO(ERR_OUT_OF_MEMORY, NULL);
+ } /* if */
+ modpath = (LPWSTR) ptr;
+
+ rc = pGetModuleFileNameW(NULL, modpath, buflen);
+ if (rc == 0)
+ {
+ allocator.Free(modpath);
+ BAIL_MACRO(winApiStrError(), NULL);
+ } /* if */
+
+ if (rc < buflen)
+ {
+ buflen = rc;
+ break;
+ } /* if */
+
+ buflen *= 2;
+ } /* while */
+
+ if (buflen > 0) /* just in case... */
+ {
+ WCHAR *ptr = (modpath + buflen) - 1;
+ while (ptr != modpath)
+ {
+ if (*ptr == '\\')
+ break;
+ ptr--;
+ } /* while */
+
+ if ((ptr == modpath) && (*ptr != '\\'))
+ __PHYSFS_setError(ERR_GETMODFN_NO_DIR);
+ else
+ {
+ *(ptr + 1) = '\0'; /* chop off filename. */
+ retval = unicodeToUtf8Heap(modpath);
+ } /* else */
+ } /* else */
+ allocator.Free(modpath);
+
+ return(retval); /* w00t. */
+} /* getExePath */
+
+
+/*
+ * Try to make use of GetUserProfileDirectoryW(), which isn't available on
+ * some common variants of Win32. If we can't use this, we just punt and
+ * use the physfs base dir for the user dir, too.
+ *
+ * On success, module-scope variable (userDir) will have a pointer to
+ * a malloc()'d string of the user's profile dir, and a non-zero value is
+ * returned. If we can't determine the profile dir, (userDir) will
+ * be NULL, and zero is returned.
+ */
+static int determineUserDir(void)
+{
+ if (userDir != NULL)
+ return(1); /* already good to go. */
+
+ /*
+ * GetUserProfileDirectoryW() is only available on NT 4.0 and later.
+ * This means Win95/98/ME (and CE?) users have to do without, so for
+ * them, we'll default to the base directory when we can't get the
+ * function pointer. Since this is originally an NT API, we don't
+ * offer a non-Unicode fallback.
+ */
+ if (pGetUserProfileDirectoryW != NULL)
+ {
+ HANDLE accessToken = NULL; /* Security handle to process */
+ HANDLE processHandle = GetCurrentProcess();
+ if (OpenProcessToken(processHandle, TOKEN_QUERY, &accessToken))
+ {
+ DWORD psize = 0;
+ WCHAR dummy = 0;
+ LPWSTR wstr = NULL;
+ BOOL rc = 0;
+
+ /*
+ * Should fail. Will write the size of the profile path in
+ * psize. Also note that the second parameter can't be
+ * NULL or the function fails.
+ */
+ rc = pGetUserProfileDirectoryW(accessToken, &dummy, &psize);
+ assert(!rc); /* !!! FIXME: handle this gracefully. */
+
+ /* Allocate memory for the profile directory */
+ wstr = (LPWSTR) __PHYSFS_smallAlloc(psize * sizeof (WCHAR));
+ if (wstr != NULL)
+ {
+ if (pGetUserProfileDirectoryW(accessToken, wstr, &psize))
+ userDir = unicodeToUtf8Heap(wstr);
+ __PHYSFS_smallFree(wstr);
+ } /* else */
+ } /* if */
+
+ CloseHandle(accessToken);
+ } /* if */
+
+ if (userDir == NULL) /* couldn't get profile for some reason. */
+ {
+ /* Might just be a non-NT system; resort to the basedir. */
+ userDir = getExePath();
+ BAIL_IF_MACRO(userDir == NULL, NULL, 0); /* STILL failed?! */
+ } /* if */
+
+ return(1); /* We made it: hit the showers. */
+} /* determineUserDir */
+
+
+static BOOL mediaInDrive(const char *drive)
+{
+ UINT oldErrorMode;
+ DWORD tmp;
+ BOOL retval;
+
+ /* Prevent windows warning message appearing when checking media size */
+ oldErrorMode = SetErrorMode(SEM_FAILCRITICALERRORS);
+
+ /* If this function succeeds, there's media in the drive */
+ retval = GetVolumeInformationA(drive, NULL, 0, NULL, NULL, &tmp, NULL, 0);
+
+ /* Revert back to old windows error handler */
+ SetErrorMode(oldErrorMode);
+
+ return(retval);
+} /* mediaInDrive */
+
+
+void __PHYSFS_platformDetectAvailableCDs(PHYSFS_StringCallback cb, void *data)
+{
+ /* !!! FIXME: Can CD drives be non-drive letter paths? */
+ /* !!! FIXME: (so can they be Unicode paths?) */
+ char drive_str[4] = "x:\\";
+ char ch;
+ for (ch = 'A'; ch <= 'Z'; ch++)
+ {
+ drive_str[0] = ch;
+ if (GetDriveType(drive_str) == DRIVE_CDROM && mediaInDrive(drive_str))
+ cb(data, drive_str);
+ } /* for */
+} /* __PHYSFS_platformDetectAvailableCDs */
+
+
+char *__PHYSFS_platformCalcBaseDir(const char *argv0)
+{
+ if ((argv0 != NULL) && (strchr(argv0, '\\') != NULL))
+ return(NULL); /* default behaviour can handle this. */
+
+ return(getExePath());
+} /* __PHYSFS_platformCalcBaseDir */
+
+
+char *__PHYSFS_platformGetUserName(void)
+{
+ DWORD bufsize = 0;
+ char *retval = NULL;
+
+ if (pGetUserNameW(NULL, &bufsize) == 0) /* This SHOULD fail. */
+ {
+ LPWSTR wbuf = (LPWSTR) __PHYSFS_smallAlloc(bufsize * sizeof (WCHAR));
+ BAIL_IF_MACRO(wbuf == NULL, ERR_OUT_OF_MEMORY, NULL);
+ if (pGetUserNameW(wbuf, &bufsize) == 0) /* ?! */
+ __PHYSFS_setError(winApiStrError());
+ else
+ retval = unicodeToUtf8Heap(wbuf);
+ __PHYSFS_smallFree(wbuf);
+ } /* if */
+
+ return(retval);
+} /* __PHYSFS_platformGetUserName */
+
+
+char *__PHYSFS_platformGetUserDir(void)
+{
+ char *retval = (char *) allocator.Malloc(strlen(userDir) + 1);
+ BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
+ strcpy(retval, userDir); /* calculated at init time. */
+ return(retval);
+} /* __PHYSFS_platformGetUserDir */
+
+
+PHYSFS_uint64 __PHYSFS_platformGetThreadID(void)
+{
+ return((PHYSFS_uint64) GetCurrentThreadId());
+} /* __PHYSFS_platformGetThreadID */
+
+
+static int doPlatformExists(LPWSTR wpath)
+{
+ BAIL_IF_MACRO
+ (
+ pGetFileAttributesW(wpath) == PHYSFS_INVALID_FILE_ATTRIBUTES,
+ winApiStrError(), 0
+ );
+ return(1);
+} /* doPlatformExists */
+
+
+int __PHYSFS_platformExists(const char *fname)
+{
+ int retval = 0;
+ LPWSTR wpath;
+ UTF8_TO_UNICODE_STACK_MACRO(wpath, fname);
+ BAIL_IF_MACRO(wpath == NULL, ERR_OUT_OF_MEMORY, 0);
+ retval = doPlatformExists(wpath);
+ __PHYSFS_smallFree(wpath);
+ return(retval);
+} /* __PHYSFS_platformExists */
+
+
+static int isSymlinkAttrs(const DWORD attr, const DWORD tag)
+{
+ return ( (attr & FILE_ATTRIBUTE_REPARSE_POINT) &&
+ (tag == PHYSFS_IO_REPARSE_TAG_SYMLINK) );
+} /* isSymlinkAttrs */
+
+
+int __PHYSFS_platformIsSymLink(const char *fname)
+{
+ /* !!! FIXME:
+ * Windows Vista can have NTFS symlinks. Can older Windows releases have
+ * them when talking to a network file server? What happens when you
+ * mount a NTFS partition on XP that was plugged into a Vista install
+ * that made a symlink?
+ */
+
+ int retval = 0;
+ LPWSTR wpath;
+ HANDLE dir;
+ WIN32_FIND_DATAW entw;
+
+ /* no unicode entry points? Probably no symlinks. */
+ BAIL_IF_MACRO(pFindFirstFileW == NULL, NULL, 0);
+
+ UTF8_TO_UNICODE_STACK_MACRO(wpath, fname);
+ BAIL_IF_MACRO(wpath == NULL, ERR_OUT_OF_MEMORY, 0);
+
+ /* !!! FIXME: filter wildcard chars? */
+ dir = pFindFirstFileW(wpath, &entw);
+ if (dir != INVALID_HANDLE_VALUE)
+ {
+ retval = isSymlinkAttrs(entw.dwFileAttributes, entw.dwReserved0);
+ FindClose(dir);
+ } /* if */
+
+ __PHYSFS_smallFree(wpath);
+ return(retval);
+} /* __PHYSFS_platformIsSymlink */
+
+
+int __PHYSFS_platformIsDirectory(const char *fname)
+{
+ int retval = 0;
+ LPWSTR wpath;
+ UTF8_TO_UNICODE_STACK_MACRO(wpath, fname);
+ BAIL_IF_MACRO(wpath == NULL, ERR_OUT_OF_MEMORY, 0);
+ retval = ((pGetFileAttributesW(wpath) & FILE_ATTRIBUTE_DIRECTORY) != 0);
+ __PHYSFS_smallFree(wpath);
+ return(retval);
+} /* __PHYSFS_platformIsDirectory */
+
+
+char *__PHYSFS_platformCvtToDependent(const char *prepend,
+ const char *dirName,
+ const char *append)
+{
+ int len = ((prepend) ? strlen(prepend) : 0) +
+ ((append) ? strlen(append) : 0) +
+ strlen(dirName) + 1;
+ char *retval = (char *) allocator.Malloc(len);
+ char *p;
+
+ BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
+
+ if (prepend)
+ strcpy(retval, prepend);
+ else
+ retval[0] = '\0';
+
+ strcat(retval, dirName);
+
+ if (append)
+ strcat(retval, append);
+
+ for (p = strchr(retval, '/'); p != NULL; p = strchr(p + 1, '/'))
+ *p = '\\';
+
+ return(retval);
+} /* __PHYSFS_platformCvtToDependent */
+
+
+void __PHYSFS_platformEnumerateFiles(const char *dirname,
+ int omitSymLinks,
+ PHYSFS_EnumFilesCallback callback,
+ const char *origdir,
+ void *callbackdata)
+{
+ const int unicode = (pFindFirstFileW != NULL) && (pFindNextFileW != NULL);
+ HANDLE dir = INVALID_HANDLE_VALUE;
+ WIN32_FIND_DATA ent;
+ WIN32_FIND_DATAW entw;
+ size_t len = strlen(dirname);
+ char *searchPath = NULL;
+ WCHAR *wSearchPath = NULL;
+ char *utf8 = NULL;
+
+ /* Allocate a new string for path, maybe '\\', "*", and NULL terminator */
+ searchPath = (char *) __PHYSFS_smallAlloc(len + 3);
+ if (searchPath == NULL)
+ return;
+
+ /* Copy current dirname */
+ strcpy(searchPath, dirname);
+
+ /* if there's no '\\' at the end of the path, stick one in there. */
+ if (searchPath[len - 1] != '\\')
+ {
+ searchPath[len++] = '\\';
+ searchPath[len] = '\0';
+ } /* if */
+
+ /* Append the "*" to the end of the string */
+ strcat(searchPath, "*");
+
+ UTF8_TO_UNICODE_STACK_MACRO(wSearchPath, searchPath);
+ if (wSearchPath == NULL)
+ return; /* oh well. */
+
+ if (unicode)
+ dir = pFindFirstFileW(wSearchPath, &entw);
+ else
+ {
+ const int len = (int) (wStrLen(wSearchPath) + 1);
+ char *cp = (char *) __PHYSFS_smallAlloc(len);
+ if (cp != NULL)
+ {
+ WideCharToMultiByte(CP_ACP, 0, wSearchPath, len, cp, len, 0, 0);
+ dir = FindFirstFileA(cp, &ent);
+ __PHYSFS_smallFree(cp);
+ } /* if */
+ } /* else */
+
+ __PHYSFS_smallFree(wSearchPath);
+ __PHYSFS_smallFree(searchPath);
+ if (dir == INVALID_HANDLE_VALUE)
+ return;
+
+ if (unicode)
+ {
+ do
+ {
+ const DWORD attr = entw.dwFileAttributes;
+ const DWORD tag = entw.dwReserved0;
+ const WCHAR *fn = entw.cFileName;
+ if ((fn[0] == '.') && (fn[1] == '\0'))
+ continue;
+ if ((fn[0] == '.') && (fn[1] == '.') && (fn[2] == '\0'))
+ continue;
+ if ((omitSymLinks) && (isSymlinkAttrs(attr, tag)))
+ continue;
+
+ utf8 = unicodeToUtf8Heap(fn);
+ if (utf8 != NULL)
+ {
+ callback(callbackdata, origdir, utf8);
+ allocator.Free(utf8);
+ } /* if */
+ } while (pFindNextFileW(dir, &entw) != 0);
+ } /* if */
+
+ else /* ANSI fallback. */
+ {
+ do
+ {
+ const DWORD attr = ent.dwFileAttributes;
+ const DWORD tag = ent.dwReserved0;
+ const char *fn = ent.cFileName;
+ if ((fn[0] == '.') && (fn[1] == '\0'))
+ continue;
+ if ((fn[0] == '.') && (fn[1] == '.') && (fn[2] == '\0'))
+ continue;
+ if ((omitSymLinks) && (isSymlinkAttrs(attr, tag)))
+ continue;
+
+ utf8 = codepageToUtf8Heap(fn);
+ if (utf8 != NULL)
+ {
+ callback(callbackdata, origdir, utf8);
+ allocator.Free(utf8);
+ } /* if */
+ } while (FindNextFileA(dir, &ent) != 0);
+ } /* else */
+
+ FindClose(dir);
+} /* __PHYSFS_platformEnumerateFiles */
+
+
+char *__PHYSFS_platformCurrentDir(void)
+{
+ char *retval = NULL;
+ WCHAR *wbuf = NULL;
+ DWORD buflen = 0;
+
+ buflen = pGetCurrentDirectoryW(buflen, NULL);
+ wbuf = (WCHAR *) __PHYSFS_smallAlloc((buflen + 2) * sizeof (WCHAR));
+ BAIL_IF_MACRO(wbuf == NULL, ERR_OUT_OF_MEMORY, NULL);
+ pGetCurrentDirectoryW(buflen, wbuf);
+
+ if (wbuf[buflen - 2] == '\\')
+ wbuf[buflen-1] = '\0'; /* just in case... */
+ else
+ {
+ wbuf[buflen - 1] = '\\';
+ wbuf[buflen] = '\0';
+ } /* else */
+
+ retval = unicodeToUtf8Heap(wbuf);
+ __PHYSFS_smallFree(wbuf);
+ return(retval);
+} /* __PHYSFS_platformCurrentDir */
+
+
+/* this could probably use a cleanup. */
+char *__PHYSFS_platformRealPath(const char *path)
+{
+ /* !!! FIXME: this should return NULL if (path) doesn't exist? */
+ /* !!! FIXME: Need to handle symlinks in Vista... */
+ /* !!! FIXME: try GetFullPathName() instead? */
+ /* this function should be UTF-8 clean. */
+ char *retval = NULL;
+ char *p = NULL;
+
+ BAIL_IF_MACRO(path == NULL, ERR_INVALID_ARGUMENT, NULL);
+ BAIL_IF_MACRO(*path == '\0', ERR_INVALID_ARGUMENT, NULL);
+
+ retval = (char *) allocator.Malloc(MAX_PATH);
+ BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
+
+ /*
+ * If in \\server\path format, it's already an absolute path.
+ * We'll need to check for "." and ".." dirs, though, just in case.
+ */
+ if ((path[0] == '\\') && (path[1] == '\\'))
+ strcpy(retval, path);
+
+ else
+ {
+ char *currentDir = __PHYSFS_platformCurrentDir();
+ if (currentDir == NULL)
+ {
+ allocator.Free(retval);
+ BAIL_MACRO(ERR_OUT_OF_MEMORY, NULL);
+ } /* if */
+
+ if (path[1] == ':') /* drive letter specified? */
+ {
+ /*
+ * Apparently, "D:mypath" is the same as "D:\\mypath" if
+ * D: is not the current drive. However, if D: is the
+ * current drive, then "D:mypath" is a relative path. Ugh.
+ */
+ if (path[2] == '\\') /* maybe an absolute path? */
+ strcpy(retval, path);
+ else /* definitely an absolute path. */
+ {
+ if (path[0] == currentDir[0]) /* current drive; relative. */
+ {
+ strcpy(retval, currentDir);
+ strcat(retval, path + 2);
+ } /* if */
+
+ else /* not current drive; absolute. */
+ {
+ retval[0] = path[0];
+ retval[1] = ':';
+ retval[2] = '\\';
+ strcpy(retval + 3, path + 2);
+ } /* else */
+ } /* else */
+ } /* if */
+
+ else /* no drive letter specified. */
+ {
+ if (path[0] == '\\') /* absolute path. */
+ {
+ retval[0] = currentDir[0];
+ retval[1] = ':';
+ strcpy(retval + 2, path);
+ } /* if */
+ else
+ {
+ strcpy(retval, currentDir);
+ strcat(retval, path);
+ } /* else */
+ } /* else */
+
+ allocator.Free(currentDir);
+ } /* else */
+
+ /* (whew.) Ok, now take out "." and ".." path entries... */
+
+ p = retval;
+ while ( (p = strstr(p, "\\.")) != NULL)
+ {
+ /* it's a "." entry that doesn't end the string. */
+ if (p[2] == '\\')
+ memmove(p + 1, p + 3, strlen(p + 3) + 1);
+
+ /* it's a "." entry that ends the string. */
+ else if (p[2] == '\0')
+ p[0] = '\0';
+
+ /* it's a ".." entry. */
+ else if (p[2] == '.')
+ {
+ char *prevEntry = p - 1;
+ while ((prevEntry != retval) && (*prevEntry != '\\'))
+ prevEntry--;
+
+ if (prevEntry == retval) /* make it look like a "." entry. */
+ memmove(p + 1, p + 2, strlen(p + 2) + 1);
+ else
+ {
+ if (p[3] != '\0') /* doesn't end string. */
+ *prevEntry = '\0';
+ else /* ends string. */
+ memmove(prevEntry + 1, p + 4, strlen(p + 4) + 1);
+
+ p = prevEntry;
+ } /* else */
+ } /* else if */
+
+ else
+ {
+ p++; /* look past current char. */
+ } /* else */
+ } /* while */
+
+ /* shrink the retval's memory block if possible... */
+ p = (char *) allocator.Realloc(retval, strlen(retval) + 1);
+ if (p != NULL)
+ retval = p;
+
+ return(retval);
+} /* __PHYSFS_platformRealPath */
+
+
+int __PHYSFS_platformMkDir(const char *path)
+{
+ WCHAR *wpath;
+ DWORD rc;
+ UTF8_TO_UNICODE_STACK_MACRO(wpath, path);
+ rc = pCreateDirectoryW(wpath, NULL);
+ __PHYSFS_smallFree(wpath);
+ BAIL_IF_MACRO(rc == 0, winApiStrError(), 0);
+ return(1);
+} /* __PHYSFS_platformMkDir */
+
+
+ /*
+ * Get OS info and save the important parts.
+ *
+ * Returns non-zero if successful, otherwise it returns zero on failure.
+ */
+static int getOSInfo(void)
+{
+ OSVERSIONINFO osVerInfo; /* Information about the OS */
+ osVerInfo.dwOSVersionInfoSize = sizeof(osVerInfo);
+ BAIL_IF_MACRO(!GetVersionEx(&osVerInfo), winApiStrError(), 0);
+ osHasUnicode = (osVerInfo.dwPlatformId != VER_PLATFORM_WIN32_WINDOWS);
+ return(1);
+} /* getOSInfo */
+
+
+int __PHYSFS_platformInit(void)
+{
+ BAIL_IF_MACRO(!getOSInfo(), NULL, 0);
+ BAIL_IF_MACRO(!findApiSymbols(), NULL, 0);
+ BAIL_IF_MACRO(!determineUserDir(), NULL, 0);
+ return(1); /* It's all good */
+} /* __PHYSFS_platformInit */
+
+
+int __PHYSFS_platformDeinit(void)
+{
+ HANDLE *libs[] = { &libKernel32, &libUserEnv, &libAdvApi32, NULL };
+ int i;
+
+ allocator.Free(userDir);
+ userDir = NULL;
+
+ for (i = 0; libs[i] != NULL; i++)
+ {
+ const HANDLE lib = *(libs[i]);
+ if (lib)
+ FreeLibrary(lib);
+ *(libs[i]) = NULL;
+ } /* for */
+
+ return(1); /* It's all good */
+} /* __PHYSFS_platformDeinit */
+
+
+static void *doOpen(const char *fname, DWORD mode, DWORD creation, int rdonly)
+{
+ HANDLE fileHandle;
+ WinApiFile *retval;
+ WCHAR *wfname;
+
+ UTF8_TO_UNICODE_STACK_MACRO(wfname, fname);
+ BAIL_IF_MACRO(wfname == NULL, ERR_OUT_OF_MEMORY, NULL);
+ fileHandle = pCreateFileW(wfname, mode, FILE_SHARE_READ | FILE_SHARE_WRITE,
+ NULL, creation, FILE_ATTRIBUTE_NORMAL, NULL);
+ __PHYSFS_smallFree(wfname);
+
+ BAIL_IF_MACRO
+ (
+ fileHandle == INVALID_HANDLE_VALUE,
+ winApiStrError(), NULL
+ );
+
+ retval = (WinApiFile *) allocator.Malloc(sizeof (WinApiFile));
+ if (retval == NULL)
+ {
+ CloseHandle(fileHandle);
+ BAIL_MACRO(ERR_OUT_OF_MEMORY, NULL);
+ } /* if */
+
+ retval->readonly = rdonly;
+ retval->handle = fileHandle;
+ return(retval);
+} /* doOpen */
+
+
+void *__PHYSFS_platformOpenRead(const char *filename)
+{
+ return(doOpen(filename, GENERIC_READ, OPEN_EXISTING, 1));
+} /* __PHYSFS_platformOpenRead */
+
+
+void *__PHYSFS_platformOpenWrite(const char *filename)
+{
+ return(doOpen(filename, GENERIC_WRITE, CREATE_ALWAYS, 0));
+} /* __PHYSFS_platformOpenWrite */
+
+
+void *__PHYSFS_platformOpenAppend(const char *filename)
+{
+ void *retval = doOpen(filename, GENERIC_WRITE, OPEN_ALWAYS, 0);
+ if (retval != NULL)
+ {
+ HANDLE h = ((WinApiFile *) retval)->handle;
+ DWORD rc = SetFilePointer(h, 0, NULL, FILE_END);
+ if (rc == PHYSFS_INVALID_SET_FILE_POINTER)
+ {
+ const char *err = winApiStrError();
+ CloseHandle(h);
+ allocator.Free(retval);
+ BAIL_MACRO(err, NULL);
+ } /* if */
+ } /* if */
+
+ return(retval);
+} /* __PHYSFS_platformOpenAppend */
+
+
+PHYSFS_sint64 __PHYSFS_platformRead(void *opaque, void *buffer,
+ PHYSFS_uint32 size, PHYSFS_uint32 count)
+{
+ HANDLE Handle = ((WinApiFile *) opaque)->handle;
+ DWORD CountOfBytesRead;
+ PHYSFS_sint64 retval;
+
+ /* Read data from the file */
+ /* !!! FIXME: uint32 might be a greater # than DWORD */
+ if(!ReadFile(Handle, buffer, count * size, &CountOfBytesRead, NULL))
+ {
+ BAIL_MACRO(winApiStrError(), -1);
+ } /* if */
+ else
+ {
+ /* Return the number of "objects" read. */
+ /* !!! FIXME: What if not the right amount of bytes was read to make an object? */
+ retval = CountOfBytesRead / size;
+ } /* else */
+
+ return(retval);
+} /* __PHYSFS_platformRead */
+
+
+PHYSFS_sint64 __PHYSFS_platformWrite(void *opaque, const void *buffer,
+ PHYSFS_uint32 size, PHYSFS_uint32 count)
+{
+ HANDLE Handle = ((WinApiFile *) opaque)->handle;
+ DWORD CountOfBytesWritten;
+ PHYSFS_sint64 retval;
+
+ /* Read data from the file */
+ /* !!! FIXME: uint32 might be a greater # than DWORD */
+ if(!WriteFile(Handle, buffer, count * size, &CountOfBytesWritten, NULL))
+ {
+ BAIL_MACRO(winApiStrError(), -1);
+ } /* if */
+ else
+ {
+ /* Return the number of "objects" read. */
+ /* !!! FIXME: What if not the right number of bytes was written? */
+ retval = CountOfBytesWritten / size;
+ } /* else */
+
+ return(retval);
+} /* __PHYSFS_platformWrite */
+
+
+int __PHYSFS_platformSeek(void *opaque, PHYSFS_uint64 pos)
+{
+ HANDLE Handle = ((WinApiFile *) opaque)->handle;
+ LONG HighOrderPos;
+ PLONG pHighOrderPos;
+ DWORD rc;
+
+ /* Get the high order 32-bits of the position */
+ HighOrderPos = HIGHORDER_UINT64(pos);
+
+ /*
+ * MSDN: "If you do not need the high-order 32 bits, this
+ * pointer must be set to NULL."
+ */
+ pHighOrderPos = (HighOrderPos) ? &HighOrderPos : NULL;
+
+ /*
+ * !!! FIXME: MSDN: "Windows Me/98/95: If the pointer
+ * !!! FIXME: lpDistanceToMoveHigh is not NULL, then it must
+ * !!! FIXME: point to either 0, INVALID_SET_FILE_POINTER, or
+ * !!! FIXME: the sign extension of the value of lDistanceToMove.
+ * !!! FIXME: Any other value will be rejected."
+ */
+
+ /* Move pointer "pos" count from start of file */
+ rc = SetFilePointer(Handle, LOWORDER_UINT64(pos),
+ pHighOrderPos, FILE_BEGIN);
+
+ if ( (rc == PHYSFS_INVALID_SET_FILE_POINTER) &&
+ (GetLastError() != NO_ERROR) )
+ {
+ BAIL_MACRO(winApiStrError(), 0);
+ } /* if */
+
+ return(1); /* No error occured */
+} /* __PHYSFS_platformSeek */
+
+
+PHYSFS_sint64 __PHYSFS_platformTell(void *opaque)
+{
+ HANDLE Handle = ((WinApiFile *) opaque)->handle;
+ LONG HighPos = 0;
+ DWORD LowPos;
+ PHYSFS_sint64 retval;
+
+ /* Get current position */
+ LowPos = SetFilePointer(Handle, 0, &HighPos, FILE_CURRENT);
+ if ( (LowPos == PHYSFS_INVALID_SET_FILE_POINTER) &&
+ (GetLastError() != NO_ERROR) )
+ {
+ BAIL_MACRO(winApiStrError(), 0);
+ } /* if */
+ else
+ {
+ /* Combine the high/low order to create the 64-bit position value */
+ retval = (((PHYSFS_uint64) HighPos) << 32) | LowPos;
+ assert(retval >= 0);
+ } /* else */
+
+ return(retval);
+} /* __PHYSFS_platformTell */
+
+
+PHYSFS_sint64 __PHYSFS_platformFileLength(void *opaque)
+{
+ HANDLE Handle = ((WinApiFile *) opaque)->handle;
+ DWORD SizeHigh;
+ DWORD SizeLow;
+ PHYSFS_sint64 retval;
+
+ SizeLow = GetFileSize(Handle, &SizeHigh);
+ if ( (SizeLow == PHYSFS_INVALID_SET_FILE_POINTER) &&
+ (GetLastError() != NO_ERROR) )
+ {
+ BAIL_MACRO(winApiStrError(), -1);
+ } /* if */
+ else
+ {
+ /* Combine the high/low order to create the 64-bit position value */
+ retval = (((PHYSFS_uint64) SizeHigh) << 32) | SizeLow;
+ assert(retval >= 0);
+ } /* else */
+
+ return(retval);
+} /* __PHYSFS_platformFileLength */
+
+
+int __PHYSFS_platformEOF(void *opaque)
+{
+ PHYSFS_sint64 FilePosition;
+ int retval = 0;
+
+ /* Get the current position in the file */
+ if ((FilePosition = __PHYSFS_platformTell(opaque)) != 0)
+ {
+ /* Non-zero if EOF is equal to the file length */
+ retval = FilePosition == __PHYSFS_platformFileLength(opaque);
+ } /* if */
+
+ return(retval);
+} /* __PHYSFS_platformEOF */
+
+
+int __PHYSFS_platformFlush(void *opaque)
+{
+ WinApiFile *fh = ((WinApiFile *) opaque);
+ if (!fh->readonly)
+ BAIL_IF_MACRO(!FlushFileBuffers(fh->handle), winApiStrError(), 0);
+
+ return(1);
+} /* __PHYSFS_platformFlush */
+
+
+int __PHYSFS_platformClose(void *opaque)
+{
+ HANDLE Handle = ((WinApiFile *) opaque)->handle;
+ BAIL_IF_MACRO(!CloseHandle(Handle), winApiStrError(), 0);
+ allocator.Free(opaque);
+ return(1);
+} /* __PHYSFS_platformClose */
+
+
+static int doPlatformDelete(LPWSTR wpath)
+{
+ /* If filename is a folder */
+ if (pGetFileAttributesW(wpath) & FILE_ATTRIBUTE_DIRECTORY)
+ {
+ BAIL_IF_MACRO(!pRemoveDirectoryW(wpath), winApiStrError(), 0);
+ } /* if */
+ else
+ {
+ BAIL_IF_MACRO(!pDeleteFileW(wpath), winApiStrError(), 0);
+ } /* else */
+
+ return(1); /* if you made it here, it worked. */
+} /* doPlatformDelete */
+
+
+int __PHYSFS_platformDelete(const char *path)
+{
+ int retval = 0;
+ LPWSTR wpath;
+ UTF8_TO_UNICODE_STACK_MACRO(wpath, path);
+ BAIL_IF_MACRO(wpath == NULL, ERR_OUT_OF_MEMORY, 0);
+ retval = doPlatformDelete(wpath);
+ __PHYSFS_smallFree(wpath);
+ return(retval);
+} /* __PHYSFS_platformDelete */
+
+
+/*
+ * !!! FIXME: why aren't we using Critical Sections instead of Mutexes?
+ * !!! FIXME: mutexes on Windows are for cross-process sync. CritSects are
+ * !!! FIXME: mutexes for threads in a single process and are faster.
+ */
+void *__PHYSFS_platformCreateMutex(void)
+{
+ return((void *) CreateMutex(NULL, FALSE, NULL));
+} /* __PHYSFS_platformCreateMutex */
+
+
+void __PHYSFS_platformDestroyMutex(void *mutex)
+{
+ CloseHandle((HANDLE) mutex);
+} /* __PHYSFS_platformDestroyMutex */
+
+
+int __PHYSFS_platformGrabMutex(void *mutex)
+{
+ return(WaitForSingleObject((HANDLE) mutex, INFINITE) != WAIT_FAILED);
+} /* __PHYSFS_platformGrabMutex */
+
+
+void __PHYSFS_platformReleaseMutex(void *mutex)
+{
+ ReleaseMutex((HANDLE) mutex);
+} /* __PHYSFS_platformReleaseMutex */
+
+
+static PHYSFS_sint64 FileTimeToPhysfsTime(const FILETIME *ft)
+{
+ SYSTEMTIME st_utc;
+ SYSTEMTIME st_localtz;
+ TIME_ZONE_INFORMATION tzi;
+ DWORD tzid;
+ PHYSFS_sint64 retval;
+ struct tm tm;
+
+ BAIL_IF_MACRO(!FileTimeToSystemTime(ft, &st_utc), winApiStrError(), -1);
+ tzid = GetTimeZoneInformation(&tzi);
+ BAIL_IF_MACRO(tzid == TIME_ZONE_ID_INVALID, winApiStrError(), -1);
+
+ /* (This API is unsupported and fails on non-NT systems. */
+ if (!SystemTimeToTzSpecificLocalTime(&tzi, &st_utc, &st_localtz))
+ {
+ /* do it by hand. Grumble... */
+ ULARGE_INTEGER ui64;
+ FILETIME new_ft;
+ ui64.LowPart = ft->dwLowDateTime;
+ ui64.HighPart = ft->dwHighDateTime;
+
+ if (tzid == TIME_ZONE_ID_STANDARD)
+ tzi.Bias += tzi.StandardBias;
+ else if (tzid == TIME_ZONE_ID_DAYLIGHT)
+ tzi.Bias += tzi.DaylightBias;
+
+ /* convert from minutes to 100-nanosecond increments... */
+ ui64.QuadPart -= (((LONGLONG) tzi.Bias) * (600000000));
+
+ /* Move it back into a FILETIME structure... */
+ new_ft.dwLowDateTime = ui64.LowPart;
+ new_ft.dwHighDateTime = ui64.HighPart;
+
+ /* Convert to something human-readable... */
+ if (!FileTimeToSystemTime(&new_ft, &st_localtz))
+ BAIL_MACRO(winApiStrError(), -1);
+ } /* if */
+
+ /* Convert to a format that mktime() can grok... */
+ tm.tm_sec = st_localtz.wSecond;
+ tm.tm_min = st_localtz.wMinute;
+ tm.tm_hour = st_localtz.wHour;
+ tm.tm_mday = st_localtz.wDay;
+ tm.tm_mon = st_localtz.wMonth - 1;
+ tm.tm_year = st_localtz.wYear - 1900;
+ tm.tm_wday = -1 /*st_localtz.wDayOfWeek*/;
+ tm.tm_yday = -1;
+ tm.tm_isdst = -1;
+
+ /* Convert to a format PhysicsFS can grok... */
+ retval = (PHYSFS_sint64) mktime(&tm);
+ BAIL_IF_MACRO(retval == -1, strerror(errno), -1);
+ return(retval);
+} /* FileTimeToPhysfsTime */
+
+
+PHYSFS_sint64 __PHYSFS_platformGetLastModTime(const char *fname)
+{
+ PHYSFS_sint64 retval = -1;
+ WIN32_FILE_ATTRIBUTE_DATA attr;
+ int rc = 0;
+
+ memset(&attr, '\0', sizeof (attr));
+
+ /* GetFileAttributesEx didn't show up until Win98 and NT4. */
+ if ((pGetFileAttributesExW != NULL) || (pGetFileAttributesExA != NULL))
+ {
+ WCHAR *wstr;
+ UTF8_TO_UNICODE_STACK_MACRO(wstr, fname);
+ if (wstr != NULL) /* if NULL, maybe the fallback will work. */
+ {
+ if (pGetFileAttributesExW != NULL) /* NT/XP/Vista/etc system. */
+ rc = pGetFileAttributesExW(wstr, GetFileExInfoStandard, &attr);
+ else /* Win98/ME system */
+ {
+ const int len = (int) (wStrLen(wstr) + 1);
+ char *cp = (char *) __PHYSFS_smallAlloc(len);
+ if (cp != NULL)
+ {
+ WideCharToMultiByte(CP_ACP, 0, wstr, len, cp, len, 0, 0);
+ rc = pGetFileAttributesExA(cp, GetFileExInfoStandard, &attr);
+ __PHYSFS_smallFree(cp);
+ } /* if */
+ } /* else */
+ __PHYSFS_smallFree(wstr);
+ } /* if */
+ } /* if */
+
+ if (rc) /* had API entry point and it worked. */
+ {
+ /* 0 return value indicates an error or not supported */
+ if ( (attr.ftLastWriteTime.dwHighDateTime != 0) ||
+ (attr.ftLastWriteTime.dwLowDateTime != 0) )
+ {
+ retval = FileTimeToPhysfsTime(&attr.ftLastWriteTime);
+ } /* if */
+ } /* if */
+
+ /* GetFileTime() has been in the Win32 API since the start. */
+ if (retval == -1) /* try a fallback... */
+ {
+ FILETIME ft;
+ BOOL rc;
+ const char *err;
+ WinApiFile *f = (WinApiFile *) __PHYSFS_platformOpenRead(fname);
+ BAIL_IF_MACRO(f == NULL, NULL, -1)
+ rc = GetFileTime(f->handle, NULL, NULL, &ft);
+ err = winApiStrError();
+ CloseHandle(f->handle);
+ allocator.Free(f);
+ BAIL_IF_MACRO(!rc, err, -1);
+ retval = FileTimeToPhysfsTime(&ft);
+ } /* if */
+
+ return(retval);
+} /* __PHYSFS_platformGetLastModTime */
+
+
+/* !!! FIXME: Don't use C runtime for allocators? */
+int __PHYSFS_platformSetDefaultAllocator(PHYSFS_Allocator *a)
+{
+ return(0); /* just use malloc() and friends. */
+} /* __PHYSFS_platformSetDefaultAllocator */
+
+#endif /* PHYSFS_PLATFORM_WINDOWS */
+
+/* end of windows.c ... */
+
+
projects / physicsfs / blobdiff