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Unified Diff: nspr/pr/src/md/windows/w95io.c

Issue 2078763002: Delete bundled copy of NSS and replace with README. (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/nss@master
Patch Set: Delete bundled copy of NSS and replace with README. Created 4 years, 6 months ago
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Index: nspr/pr/src/md/windows/w95io.c
diff --git a/nspr/pr/src/md/windows/w95io.c b/nspr/pr/src/md/windows/w95io.c
deleted file mode 100644
index 9bae6f8dfa99432f2e1bf4563705bf9216ff05db..0000000000000000000000000000000000000000
--- a/nspr/pr/src/md/windows/w95io.c
+++ /dev/null
@@ -1,1373 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-/* Windows 95 IO module
- *
- * Assumes synchronous I/O.
- *
- */
-
-#include "primpl.h"
-#include <direct.h>
-#include <mbstring.h>
-#ifdef MOZ_UNICODE
-#include <wchar.h>
-#endif /* MOZ_UNICODE */
-
-struct _MDLock _pr_ioq_lock;
-
-/*
- * NSPR-to-NT access right mapping table for files.
- */
-static DWORD fileAccessTable[] = {
- FILE_GENERIC_READ,
- FILE_GENERIC_WRITE,
- FILE_GENERIC_EXECUTE
-};
-
-/*
- * NSPR-to-NT access right mapping table for directories.
- */
-static DWORD dirAccessTable[] = {
- FILE_GENERIC_READ,
- FILE_GENERIC_WRITE|FILE_DELETE_CHILD,
- FILE_GENERIC_EXECUTE
-};
-
-static PRBool IsPrevCharSlash(const char *str, const char *current);
-
-void
-_PR_MD_INIT_IO()
-{
- WORD WSAVersion = 0x0101;
- WSADATA WSAData;
- int err;
-
- err = WSAStartup( WSAVersion, &WSAData );
- PR_ASSERT(0 == err);
-
-#ifdef DEBUG
- /* Doublecheck _pr_filetime_offset's hard-coded value is correct. */
- {
- SYSTEMTIME systime;
- union {
- PRTime prt;
- FILETIME ft;
- } filetime;
- BOOL rv;
-
- systime.wYear = 1970;
- systime.wMonth = 1;
- /* wDayOfWeek is ignored */
- systime.wDay = 1;
- systime.wHour = 0;
- systime.wMinute = 0;
- systime.wSecond = 0;
- systime.wMilliseconds = 0;
-
- rv = SystemTimeToFileTime(&systime, &filetime.ft);
- PR_ASSERT(0 != rv);
- PR_ASSERT(filetime.prt == _pr_filetime_offset);
- }
-#endif /* DEBUG */
-
- _PR_NT_InitSids();
-
- _PR_MD_InitSockets();
-}
-
-PRStatus
-_PR_MD_WAIT(PRThread *thread, PRIntervalTime ticks)
-{
- DWORD rv;
-
- PRUint32 msecs = (ticks == PR_INTERVAL_NO_TIMEOUT) ?
- INFINITE : PR_IntervalToMilliseconds(ticks);
- rv = WaitForSingleObject(thread->md.blocked_sema, msecs);
- switch(rv)
- {
- case WAIT_OBJECT_0:
- return PR_SUCCESS;
- case WAIT_TIMEOUT:
- _PR_THREAD_LOCK(thread);
- if (thread->state == _PR_IO_WAIT) {
- ;
- } else {
- if (thread->wait.cvar != NULL) {
- thread->wait.cvar = NULL;
- _PR_THREAD_UNLOCK(thread);
- } else {
- /* The CVAR was notified just as the timeout
- * occurred. This led to us being notified twice.
- * call WaitForSingleObject() to clear the semaphore.
- */
- _PR_THREAD_UNLOCK(thread);
- rv = WaitForSingleObject(thread->md.blocked_sema, 0);
- PR_ASSERT(rv == WAIT_OBJECT_0);
- }
- }
- return PR_SUCCESS;
- default:
- return PR_FAILURE;
- }
-}
-PRStatus
-_PR_MD_WAKEUP_WAITER(PRThread *thread)
-{
- if ( _PR_IS_NATIVE_THREAD(thread) )
- {
- if (ReleaseSemaphore(thread->md.blocked_sema, 1, NULL) == FALSE)
- return PR_FAILURE;
- else
- return PR_SUCCESS;
- }
-}
-
-
-/* --- FILE IO ----------------------------------------------------------- */
-/*
- * _PR_MD_OPEN() -- Open a file
- *
- * returns: a fileHandle
- *
- * The NSPR open flags (osflags) are translated into flags for Win95
- *
- * Mode seems to be passed in as a unix style file permissions argument
- * as in 0666, in the case of opening the logFile.
- *
- */
-PROsfd
-_PR_MD_OPEN(const char *name, PRIntn osflags, int mode)
-{
- HANDLE file;
- PRInt32 access = 0;
- PRInt32 flags = 0;
- PRInt32 flag6 = 0;
-
- if (osflags & PR_SYNC) flag6 = FILE_FLAG_WRITE_THROUGH;
-
- if (osflags & PR_RDONLY || osflags & PR_RDWR)
- access |= GENERIC_READ;
- if (osflags & PR_WRONLY || osflags & PR_RDWR)
- access |= GENERIC_WRITE;
-
- if ( osflags & PR_CREATE_FILE && osflags & PR_EXCL )
- flags = CREATE_NEW;
- else if (osflags & PR_CREATE_FILE) {
- if (osflags & PR_TRUNCATE)
- flags = CREATE_ALWAYS;
- else
- flags = OPEN_ALWAYS;
- } else {
- if (osflags & PR_TRUNCATE)
- flags = TRUNCATE_EXISTING;
- else
- flags = OPEN_EXISTING;
- }
-
- file = CreateFileA(name,
- access,
- FILE_SHARE_READ|FILE_SHARE_WRITE,
- NULL,
- flags,
- flag6,
- NULL);
- if (file == INVALID_HANDLE_VALUE) {
- _PR_MD_MAP_OPEN_ERROR(GetLastError());
- return -1;
- }
-
- return (PROsfd)file;
-}
-
-PROsfd
-_PR_MD_OPEN_FILE(const char *name, PRIntn osflags, int mode)
-{
- HANDLE file;
- PRInt32 access = 0;
- PRInt32 flags = 0;
- PRInt32 flag6 = 0;
- SECURITY_ATTRIBUTES sa;
- LPSECURITY_ATTRIBUTES lpSA = NULL;
- PSECURITY_DESCRIPTOR pSD = NULL;
- PACL pACL = NULL;
-
- if (osflags & PR_CREATE_FILE) {
- if (_PR_NT_MakeSecurityDescriptorACL(mode, fileAccessTable,
- &pSD, &pACL) == PR_SUCCESS) {
- sa.nLength = sizeof(sa);
- sa.lpSecurityDescriptor = pSD;
- sa.bInheritHandle = FALSE;
- lpSA = &sa;
- }
- }
-
- if (osflags & PR_SYNC) flag6 = FILE_FLAG_WRITE_THROUGH;
-
- if (osflags & PR_RDONLY || osflags & PR_RDWR)
- access |= GENERIC_READ;
- if (osflags & PR_WRONLY || osflags & PR_RDWR)
- access |= GENERIC_WRITE;
-
- if ( osflags & PR_CREATE_FILE && osflags & PR_EXCL )
- flags = CREATE_NEW;
- else if (osflags & PR_CREATE_FILE) {
- if (osflags & PR_TRUNCATE)
- flags = CREATE_ALWAYS;
- else
- flags = OPEN_ALWAYS;
- } else {
- if (osflags & PR_TRUNCATE)
- flags = TRUNCATE_EXISTING;
- else
- flags = OPEN_EXISTING;
- }
-
- file = CreateFileA(name,
- access,
- FILE_SHARE_READ|FILE_SHARE_WRITE,
- lpSA,
- flags,
- flag6,
- NULL);
- if (lpSA != NULL) {
- _PR_NT_FreeSecurityDescriptorACL(pSD, pACL);
- }
- if (file == INVALID_HANDLE_VALUE) {
- _PR_MD_MAP_OPEN_ERROR(GetLastError());
- return -1;
- }
-
- return (PROsfd)file;
-}
-
-PRInt32
-_PR_MD_READ(PRFileDesc *fd, void *buf, PRInt32 len)
-{
- PRUint32 bytes;
- int rv, err;
-
- rv = ReadFile((HANDLE)fd->secret->md.osfd,
- (LPVOID)buf,
- len,
- &bytes,
- NULL);
-
- if (rv == 0)
- {
- err = GetLastError();
- /* ERROR_HANDLE_EOF can only be returned by async io */
- PR_ASSERT(err != ERROR_HANDLE_EOF);
- if (err == ERROR_BROKEN_PIPE)
- return 0;
- else {
- _PR_MD_MAP_READ_ERROR(err);
- return -1;
- }
- }
- return bytes;
-}
-
-PRInt32
-_PR_MD_WRITE(PRFileDesc *fd, const void *buf, PRInt32 len)
-{
- PROsfd f = fd->secret->md.osfd;
- PRInt32 bytes;
- int rv;
-
- rv = WriteFile((HANDLE)f,
- buf,
- len,
- &bytes,
- NULL );
-
- if (rv == 0)
- {
- _PR_MD_MAP_WRITE_ERROR(GetLastError());
- return -1;
- }
- return bytes;
-} /* --- end _PR_MD_WRITE() --- */
-
-PROffset32
-_PR_MD_LSEEK(PRFileDesc *fd, PROffset32 offset, PRSeekWhence whence)
-{
- DWORD moveMethod;
- PROffset32 rv;
-
- switch (whence) {
- case PR_SEEK_SET:
- moveMethod = FILE_BEGIN;
- break;
- case PR_SEEK_CUR:
- moveMethod = FILE_CURRENT;
- break;
- case PR_SEEK_END:
- moveMethod = FILE_END;
- break;
- default:
- PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
- return -1;
- }
-
- rv = SetFilePointer((HANDLE)fd->secret->md.osfd, offset, NULL, moveMethod);
-
- /*
- * If the lpDistanceToMoveHigh argument (third argument) is
- * NULL, SetFilePointer returns 0xffffffff on failure.
- */
- if (-1 == rv) {
- _PR_MD_MAP_LSEEK_ERROR(GetLastError());
- }
- return rv;
-}
-
-PROffset64
-_PR_MD_LSEEK64(PRFileDesc *fd, PROffset64 offset, PRSeekWhence whence)
-{
- DWORD moveMethod;
- LARGE_INTEGER li;
- DWORD err;
-
- switch (whence) {
- case PR_SEEK_SET:
- moveMethod = FILE_BEGIN;
- break;
- case PR_SEEK_CUR:
- moveMethod = FILE_CURRENT;
- break;
- case PR_SEEK_END:
- moveMethod = FILE_END;
- break;
- default:
- PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
- return -1;
- }
-
- li.QuadPart = offset;
- li.LowPart = SetFilePointer((HANDLE)fd->secret->md.osfd,
- li.LowPart, &li.HighPart, moveMethod);
-
- if (0xffffffff == li.LowPart && (err = GetLastError()) != NO_ERROR) {
- _PR_MD_MAP_LSEEK_ERROR(err);
- li.QuadPart = -1;
- }
- return li.QuadPart;
-}
-
-/*
- * This is documented to succeed on read-only files, but Win32's
- * FlushFileBuffers functions fails with "access denied" in such a
- * case. So we only signal an error if the error is *not* "access
- * denied".
- */
-PRInt32
-_PR_MD_FSYNC(PRFileDesc *fd)
-{
- /*
- * From the documentation:
- *
- * On Windows NT, the function FlushFileBuffers fails if hFile
- * is a handle to console output. That is because console
- * output is not buffered. The function returns FALSE, and
- * GetLastError returns ERROR_INVALID_HANDLE.
- *
- * On the other hand, on Win95, it returns without error. I cannot
- * assume that 0, 1, and 2 are console, because if someone closes
- * System.out and then opens a file, they might get file descriptor
- * 1. An error on *that* version of 1 should be reported, whereas
- * an error on System.out (which was the original 1) should be
- * ignored. So I use isatty() to ensure that such an error was due
- * to this bogosity, and if it was, I ignore the error.
- */
-
- BOOL ok = FlushFileBuffers((HANDLE)fd->secret->md.osfd);
-
- if (!ok) {
- DWORD err = GetLastError();
- if (err != ERROR_ACCESS_DENIED) { // from winerror.h
- _PR_MD_MAP_FSYNC_ERROR(err);
- return -1;
- }
- }
- return 0;
-}
-
-PRInt32
-_MD_CloseFile(PROsfd osfd)
-{
- PRInt32 rv;
-
- rv = (CloseHandle((HANDLE)osfd))?0:-1;
- if (rv == -1)
- _PR_MD_MAP_CLOSE_ERROR(GetLastError());
- return rv;
-}
-
-
-/* --- DIR IO ------------------------------------------------------------ */
-#define GetFileFromDIR(d) (d)->d_entry.cFileName
-#define FileIsHidden(d) ((d)->d_entry.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN)
-
-static void FlipSlashes(char *cp, size_t len)
-{
- while (len-- > 0) {
- if (cp[0] == '/') {
- cp[0] = PR_DIRECTORY_SEPARATOR;
- }
- cp = _mbsinc(cp);
- }
-} /* end FlipSlashes() */
-
-
-/*
-**
-** Local implementations of standard Unix RTL functions which are not provided
-** by the VC RTL.
-**
-*/
-
-PRInt32
-_PR_MD_CLOSE_DIR(_MDDir *d)
-{
- if ( d ) {
- if (FindClose(d->d_hdl)) {
- d->magic = (PRUint32)-1;
- return 0;
- } else {
- _PR_MD_MAP_CLOSEDIR_ERROR(GetLastError());
- return -1;
- }
- }
- PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
- return -1;
-}
-
-
-PRStatus
-_PR_MD_OPEN_DIR(_MDDir *d, const char *name)
-{
- char filename[ MAX_PATH ];
- size_t len;
-
- len = strlen(name);
- /* Need 5 bytes for \*.* and the trailing null byte. */
- if (len + 5 > MAX_PATH) {
- PR_SetError(PR_NAME_TOO_LONG_ERROR, 0);
- return PR_FAILURE;
- }
- strcpy(filename, name);
-
- /*
- * If 'name' ends in a slash or backslash, do not append
- * another backslash.
- */
- if (IsPrevCharSlash(filename, filename + len)) {
- len--;
- }
- strcpy(&filename[len], "\\*.*");
- FlipSlashes( filename, strlen(filename) );
-
- d->d_hdl = FindFirstFileA( filename, &(d->d_entry) );
- if ( d->d_hdl == INVALID_HANDLE_VALUE ) {
- _PR_MD_MAP_OPENDIR_ERROR(GetLastError());
- return PR_FAILURE;
- }
- d->firstEntry = PR_TRUE;
- d->magic = _MD_MAGIC_DIR;
- return PR_SUCCESS;
-}
-
-char *
-_PR_MD_READ_DIR(_MDDir *d, PRIntn flags)
-{
- PRInt32 err;
- BOOL rv;
- char *fileName;
-
- if ( d ) {
- while (1) {
- if (d->firstEntry) {
- d->firstEntry = PR_FALSE;
- rv = 1;
- } else {
- rv = FindNextFileA(d->d_hdl, &(d->d_entry));
- }
- if (rv == 0) {
- break;
- }
- fileName = GetFileFromDIR(d);
- if ( (flags & PR_SKIP_DOT) &&
- (fileName[0] == '.') && (fileName[1] == '\0'))
- continue;
- if ( (flags & PR_SKIP_DOT_DOT) &&
- (fileName[0] == '.') && (fileName[1] == '.') &&
- (fileName[2] == '\0'))
- continue;
- if ( (flags & PR_SKIP_HIDDEN) && FileIsHidden(d))
- continue;
- return fileName;
- }
- err = GetLastError();
- PR_ASSERT(NO_ERROR != err);
- _PR_MD_MAP_READDIR_ERROR(err);
- return NULL;
- }
- PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
- return NULL;
-}
-
-PRInt32
-_PR_MD_DELETE(const char *name)
-{
- if (DeleteFileA(name)) {
- return 0;
- } else {
- _PR_MD_MAP_DELETE_ERROR(GetLastError());
- return -1;
- }
-}
-
-void
-_PR_FileTimeToPRTime(const FILETIME *filetime, PRTime *prtm)
-{
- PR_ASSERT(sizeof(FILETIME) == sizeof(PRTime));
- CopyMemory(prtm, filetime, sizeof(PRTime));
-#if defined(__MINGW32__)
- *prtm = (*prtm - _pr_filetime_offset) / 10LL;
-#else
- *prtm = (*prtm - _pr_filetime_offset) / 10i64;
-#endif
-
-#ifdef DEBUG
- /* Doublecheck our calculation. */
- {
- SYSTEMTIME systime;
- PRExplodedTime etm;
- PRTime cmp; /* for comparison */
- BOOL rv;
-
- rv = FileTimeToSystemTime(filetime, &systime);
- PR_ASSERT(0 != rv);
-
- /*
- * PR_ImplodeTime ignores wday and yday.
- */
- etm.tm_usec = systime.wMilliseconds * PR_USEC_PER_MSEC;
- etm.tm_sec = systime.wSecond;
- etm.tm_min = systime.wMinute;
- etm.tm_hour = systime.wHour;
- etm.tm_mday = systime.wDay;
- etm.tm_month = systime.wMonth - 1;
- etm.tm_year = systime.wYear;
- /*
- * It is not well-documented what time zone the FILETIME's
- * are in. WIN32_FIND_DATA is documented to be in UTC (GMT).
- * But BY_HANDLE_FILE_INFORMATION is unclear about this.
- * By our best judgement, we assume that FILETIME is in UTC.
- */
- etm.tm_params.tp_gmt_offset = 0;
- etm.tm_params.tp_dst_offset = 0;
- cmp = PR_ImplodeTime(&etm);
-
- /*
- * SYSTEMTIME is in milliseconds precision, so we convert PRTime's
- * microseconds to milliseconds before doing the comparison.
- */
- PR_ASSERT((cmp / PR_USEC_PER_MSEC) == (*prtm / PR_USEC_PER_MSEC));
- }
-#endif /* DEBUG */
-}
-
-PRInt32
-_PR_MD_STAT(const char *fn, struct stat *info)
-{
- PRInt32 rv;
-
- rv = _stat(fn, (struct _stat *)info);
- if (-1 == rv) {
- /*
- * Check for MSVC runtime library _stat() bug.
- * (It's really a bug in FindFirstFile().)
- * If a pathname ends in a backslash or slash,
- * e.g., c:\temp\ or c:/temp/, _stat() will fail.
- * Note: a pathname ending in a slash (e.g., c:/temp/)
- * can be handled by _stat() on NT but not on Win95.
- *
- * We remove the backslash or slash at the end and
- * try again.
- */
-
- size_t len = strlen(fn);
- if (len > 0 && len <= _MAX_PATH
- && IsPrevCharSlash(fn, fn + len)) {
- char newfn[_MAX_PATH + 1];
-
- strcpy(newfn, fn);
- newfn[len - 1] = '\0';
- rv = _stat(newfn, (struct _stat *)info);
- }
- }
-
- if (-1 == rv) {
- _PR_MD_MAP_STAT_ERROR(errno);
- }
- return rv;
-}
-
-#define _PR_IS_SLASH(ch) ((ch) == '/' || (ch) == '\\')
-
-static PRBool
-IsPrevCharSlash(const char *str, const char *current)
-{
- const char *prev;
-
- if (str >= current)
- return PR_FALSE;
- prev = _mbsdec(str, current);
- return (prev == current - 1) && _PR_IS_SLASH(*prev);
-}
-
-/*
- * IsRootDirectory --
- *
- * Return PR_TRUE if the pathname 'fn' is a valid root directory,
- * else return PR_FALSE. The char buffer pointed to by 'fn' must
- * be writable. During the execution of this function, the contents
- * of the buffer pointed to by 'fn' may be modified, but on return
- * the original contents will be restored. 'buflen' is the size of
- * the buffer pointed to by 'fn'.
- *
- * Root directories come in three formats:
- * 1. / or \, meaning the root directory of the current drive.
- * 2. C:/ or C:\, where C is a drive letter.
- * 3. \\<server name>\<share point name>\ or
- * \\<server name>\<share point name>, meaning the root directory
- * of a UNC (Universal Naming Convention) name.
- */
-
-static PRBool
-IsRootDirectory(char *fn, size_t buflen)
-{
- char *p;
- PRBool slashAdded = PR_FALSE;
- PRBool rv = PR_FALSE;
-
- if (_PR_IS_SLASH(fn[0]) && fn[1] == '\0') {
- return PR_TRUE;
- }
-
- if (isalpha(fn[0]) && fn[1] == ':' && _PR_IS_SLASH(fn[2])
- && fn[3] == '\0') {
- rv = GetDriveType(fn) > 1 ? PR_TRUE : PR_FALSE;
- return rv;
- }
-
- /* The UNC root directory */
-
- if (_PR_IS_SLASH(fn[0]) && _PR_IS_SLASH(fn[1])) {
- /* The 'server' part should have at least one character. */
- p = &fn[2];
- if (*p == '\0' || _PR_IS_SLASH(*p)) {
- return PR_FALSE;
- }
-
- /* look for the next slash */
- do {
- p = _mbsinc(p);
- } while (*p != '\0' && !_PR_IS_SLASH(*p));
- if (*p == '\0') {
- return PR_FALSE;
- }
-
- /* The 'share' part should have at least one character. */
- p++;
- if (*p == '\0' || _PR_IS_SLASH(*p)) {
- return PR_FALSE;
- }
-
- /* look for the final slash */
- do {
- p = _mbsinc(p);
- } while (*p != '\0' && !_PR_IS_SLASH(*p));
- if (_PR_IS_SLASH(*p) && p[1] != '\0') {
- return PR_FALSE;
- }
- if (*p == '\0') {
- /*
- * GetDriveType() doesn't work correctly if the
- * path is of the form \\server\share, so we add
- * a final slash temporarily.
- */
- if ((p + 1) < (fn + buflen)) {
- *p++ = '\\';
- *p = '\0';
- slashAdded = PR_TRUE;
- } else {
- return PR_FALSE; /* name too long */
- }
- }
- rv = GetDriveType(fn) > 1 ? PR_TRUE : PR_FALSE;
- /* restore the 'fn' buffer */
- if (slashAdded) {
- *--p = '\0';
- }
- }
- return rv;
-}
-
-PRInt32
-_PR_MD_GETFILEINFO64(const char *fn, PRFileInfo64 *info)
-{
- WIN32_FILE_ATTRIBUTE_DATA findFileData;
- BOOL rv;
-
- if (NULL == fn || '\0' == *fn) {
- PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
- return -1;
- }
-
- rv = GetFileAttributesEx(fn, GetFileExInfoStandard, &findFileData);
- if (!rv) {
- _PR_MD_MAP_OPENDIR_ERROR(GetLastError());
- return -1;
- }
-
- if (findFileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
- info->type = PR_FILE_DIRECTORY;
- } else {
- info->type = PR_FILE_FILE;
- }
-
- info->size = findFileData.nFileSizeHigh;
- info->size = (info->size << 32) + findFileData.nFileSizeLow;
-
- _PR_FileTimeToPRTime(&findFileData.ftLastWriteTime, &info->modifyTime);
-
- if (0 == findFileData.ftCreationTime.dwLowDateTime &&
- 0 == findFileData.ftCreationTime.dwHighDateTime) {
- info->creationTime = info->modifyTime;
- } else {
- _PR_FileTimeToPRTime(&findFileData.ftCreationTime,
- &info->creationTime);
- }
-
- return 0;
-}
-
-PRInt32
-_PR_MD_GETFILEINFO(const char *fn, PRFileInfo *info)
-{
- PRFileInfo64 info64;
- PRInt32 rv = _PR_MD_GETFILEINFO64(fn, &info64);
- if (0 == rv)
- {
- info->type = info64.type;
- info->size = (PRUint32) info64.size;
- info->modifyTime = info64.modifyTime;
- info->creationTime = info64.creationTime;
- }
- return rv;
-}
-
-PRInt32
-_PR_MD_GETOPENFILEINFO64(const PRFileDesc *fd, PRFileInfo64 *info)
-{
- int rv;
-
- BY_HANDLE_FILE_INFORMATION hinfo;
-
- rv = GetFileInformationByHandle((HANDLE)fd->secret->md.osfd, &hinfo);
- if (rv == FALSE) {
- _PR_MD_MAP_FSTAT_ERROR(GetLastError());
- return -1;
- }
-
- if (hinfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
- info->type = PR_FILE_DIRECTORY;
- else
- info->type = PR_FILE_FILE;
-
- info->size = hinfo.nFileSizeHigh;
- info->size = (info->size << 32) + hinfo.nFileSizeLow;
-
- _PR_FileTimeToPRTime(&hinfo.ftLastWriteTime, &(info->modifyTime) );
- _PR_FileTimeToPRTime(&hinfo.ftCreationTime, &(info->creationTime) );
-
- return 0;
-}
-
-PRInt32
-_PR_MD_GETOPENFILEINFO(const PRFileDesc *fd, PRFileInfo *info)
-{
- PRFileInfo64 info64;
- int rv = _PR_MD_GETOPENFILEINFO64(fd, &info64);
- if (0 == rv)
- {
- info->type = info64.type;
- info->modifyTime = info64.modifyTime;
- info->creationTime = info64.creationTime;
- LL_L2I(info->size, info64.size);
- }
- return rv;
-}
-
-PRStatus
-_PR_MD_SET_FD_INHERITABLE(PRFileDesc *fd, PRBool inheritable)
-{
- BOOL rv;
-
- /*
- * The SetHandleInformation function fails with the
- * ERROR_CALL_NOT_IMPLEMENTED error on Win95.
- */
- rv = SetHandleInformation(
- (HANDLE)fd->secret->md.osfd,
- HANDLE_FLAG_INHERIT,
- inheritable ? HANDLE_FLAG_INHERIT : 0);
- if (0 == rv) {
- _PR_MD_MAP_DEFAULT_ERROR(GetLastError());
- return PR_FAILURE;
- }
- return PR_SUCCESS;
-}
-
-void
-_PR_MD_INIT_FD_INHERITABLE(PRFileDesc *fd, PRBool imported)
-{
- if (imported) {
- fd->secret->inheritable = _PR_TRI_UNKNOWN;
- } else {
- fd->secret->inheritable = _PR_TRI_FALSE;
- }
-}
-
-void
-_PR_MD_QUERY_FD_INHERITABLE(PRFileDesc *fd)
-{
- DWORD flags;
-
- PR_ASSERT(_PR_TRI_UNKNOWN == fd->secret->inheritable);
- if (GetHandleInformation((HANDLE)fd->secret->md.osfd, &flags)) {
- if (flags & HANDLE_FLAG_INHERIT) {
- fd->secret->inheritable = _PR_TRI_TRUE;
- } else {
- fd->secret->inheritable = _PR_TRI_FALSE;
- }
- }
-}
-
-PRInt32
-_PR_MD_RENAME(const char *from, const char *to)
-{
- /* Does this work with dot-relative pathnames? */
- if (MoveFileA(from, to)) {
- return 0;
- } else {
- _PR_MD_MAP_RENAME_ERROR(GetLastError());
- return -1;
- }
-}
-
-PRInt32
-_PR_MD_ACCESS(const char *name, PRAccessHow how)
-{
-PRInt32 rv;
- switch (how) {
- case PR_ACCESS_WRITE_OK:
- rv = _access(name, 02);
- break;
- case PR_ACCESS_READ_OK:
- rv = _access(name, 04);
- break;
- case PR_ACCESS_EXISTS:
- return _access(name, 00);
- break;
- default:
- PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
- return -1;
- }
- if (rv < 0)
- _PR_MD_MAP_ACCESS_ERROR(errno);
- return rv;
-}
-
-PRInt32
-_PR_MD_MKDIR(const char *name, PRIntn mode)
-{
- /* XXXMB - how to translate the "mode"??? */
- if (CreateDirectoryA(name, NULL)) {
- return 0;
- } else {
- _PR_MD_MAP_MKDIR_ERROR(GetLastError());
- return -1;
- }
-}
-
-PRInt32
-_PR_MD_MAKE_DIR(const char *name, PRIntn mode)
-{
- BOOL rv;
- SECURITY_ATTRIBUTES sa;
- LPSECURITY_ATTRIBUTES lpSA = NULL;
- PSECURITY_DESCRIPTOR pSD = NULL;
- PACL pACL = NULL;
-
- if (_PR_NT_MakeSecurityDescriptorACL(mode, dirAccessTable,
- &pSD, &pACL) == PR_SUCCESS) {
- sa.nLength = sizeof(sa);
- sa.lpSecurityDescriptor = pSD;
- sa.bInheritHandle = FALSE;
- lpSA = &sa;
- }
- rv = CreateDirectoryA(name, lpSA);
- if (lpSA != NULL) {
- _PR_NT_FreeSecurityDescriptorACL(pSD, pACL);
- }
- if (rv) {
- return 0;
- } else {
- _PR_MD_MAP_MKDIR_ERROR(GetLastError());
- return -1;
- }
-}
-
-PRInt32
-_PR_MD_RMDIR(const char *name)
-{
- if (RemoveDirectoryA(name)) {
- return 0;
- } else {
- _PR_MD_MAP_RMDIR_ERROR(GetLastError());
- return -1;
- }
-}
-
-PRStatus
-_PR_MD_LOCKFILE(PROsfd f)
-{
- PRStatus rc = PR_SUCCESS;
- DWORD rv;
-
- rv = LockFile( (HANDLE)f,
- 0l, 0l,
- 0x0l, 0xffffffffl );
- if ( rv == 0 ) {
- DWORD err = GetLastError();
- _PR_MD_MAP_DEFAULT_ERROR(err);
- PR_LOG( _pr_io_lm, PR_LOG_ERROR,
- ("_PR_MD_LOCKFILE() failed. Error: %d", err ));
- rc = PR_FAILURE;
- }
-
- return rc;
-} /* end _PR_MD_LOCKFILE() */
-
-PRStatus
-_PR_MD_TLOCKFILE(PROsfd f)
-{
- PR_SetError( PR_NOT_IMPLEMENTED_ERROR, 0 );
- return PR_FAILURE;
-} /* end _PR_MD_TLOCKFILE() */
-
-
-PRStatus
-_PR_MD_UNLOCKFILE(PROsfd f)
-{
- PRInt32 rv;
-
- rv = UnlockFile( (HANDLE) f,
- 0l, 0l,
- 0x0l, 0xffffffffl );
-
- if ( rv )
- {
- return PR_SUCCESS;
- }
- else
- {
- _PR_MD_MAP_DEFAULT_ERROR(GetLastError());
- return PR_FAILURE;
- }
-} /* end _PR_MD_UNLOCKFILE() */
-
-PRInt32
-_PR_MD_PIPEAVAILABLE(PRFileDesc *fd)
-{
- if (NULL == fd)
- PR_SetError(PR_BAD_DESCRIPTOR_ERROR, 0);
- else
- PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
- return -1;
-}
-
-#ifdef MOZ_UNICODE
-
-typedef HANDLE (WINAPI *CreateFileWFn) (LPCWSTR, DWORD, DWORD, LPSECURITY_ATTRIBUTES, DWORD, DWORD, HANDLE);
-static CreateFileWFn createFileW = CreateFileW;
-typedef HANDLE (WINAPI *FindFirstFileWFn) (LPCWSTR, LPWIN32_FIND_DATAW);
-static FindFirstFileWFn findFirstFileW = FindFirstFileW;
-typedef BOOL (WINAPI *FindNextFileWFn) (HANDLE, LPWIN32_FIND_DATAW);
-static FindNextFileWFn findNextFileW = FindNextFileW;
-typedef DWORD (WINAPI *GetFullPathNameWFn) (LPCWSTR, DWORD, LPWSTR, LPWSTR *);
-static GetFullPathNameWFn getFullPathNameW = GetFullPathNameW;
-typedef UINT (WINAPI *GetDriveTypeWFn) (LPCWSTR);
-static GetDriveTypeWFn getDriveTypeW = GetDriveTypeW;
-
-#endif /* MOZ_UNICODE */
-
-#ifdef MOZ_UNICODE
-
-/* ================ UTF16 Interfaces ================================ */
-static void FlipSlashesW(PRUnichar *cp, size_t len)
-{
- while (len-- > 0) {
- if (cp[0] == L'/') {
- cp[0] = L'\\';
- }
- cp++;
- }
-} /* end FlipSlashesW() */
-
-PROsfd
-_PR_MD_OPEN_FILE_UTF16(const PRUnichar *name, PRIntn osflags, int mode)
-{
- HANDLE file;
- PRInt32 access = 0;
- PRInt32 flags = 0;
- PRInt32 flag6 = 0;
- SECURITY_ATTRIBUTES sa;
- LPSECURITY_ATTRIBUTES lpSA = NULL;
- PSECURITY_DESCRIPTOR pSD = NULL;
- PACL pACL = NULL;
-
- if (osflags & PR_CREATE_FILE) {
- if (_PR_NT_MakeSecurityDescriptorACL(mode, fileAccessTable,
- &pSD, &pACL) == PR_SUCCESS) {
- sa.nLength = sizeof(sa);
- sa.lpSecurityDescriptor = pSD;
- sa.bInheritHandle = FALSE;
- lpSA = &sa;
- }
- }
-
- if (osflags & PR_SYNC) flag6 = FILE_FLAG_WRITE_THROUGH;
-
- if (osflags & PR_RDONLY || osflags & PR_RDWR)
- access |= GENERIC_READ;
- if (osflags & PR_WRONLY || osflags & PR_RDWR)
- access |= GENERIC_WRITE;
-
- if ( osflags & PR_CREATE_FILE && osflags & PR_EXCL )
- flags = CREATE_NEW;
- else if (osflags & PR_CREATE_FILE) {
- if (osflags & PR_TRUNCATE)
- flags = CREATE_ALWAYS;
- else
- flags = OPEN_ALWAYS;
- } else {
- if (osflags & PR_TRUNCATE)
- flags = TRUNCATE_EXISTING;
- else
- flags = OPEN_EXISTING;
- }
-
- file = createFileW(name,
- access,
- FILE_SHARE_READ|FILE_SHARE_WRITE,
- lpSA,
- flags,
- flag6,
- NULL);
- if (lpSA != NULL) {
- _PR_NT_FreeSecurityDescriptorACL(pSD, pACL);
- }
- if (file == INVALID_HANDLE_VALUE) {
- _PR_MD_MAP_OPEN_ERROR(GetLastError());
- return -1;
- }
-
- return (PROsfd)file;
-}
-
-PRStatus
-_PR_MD_OPEN_DIR_UTF16(_MDDirUTF16 *d, const PRUnichar *name)
-{
- PRUnichar filename[ MAX_PATH ];
- int len;
-
- len = wcslen(name);
- /* Need 5 bytes for \*.* and the trailing null byte. */
- if (len + 5 > MAX_PATH) {
- PR_SetError(PR_NAME_TOO_LONG_ERROR, 0);
- return PR_FAILURE;
- }
- wcscpy(filename, name);
-
- /*
- * If 'name' ends in a slash or backslash, do not append
- * another backslash.
- */
- if (filename[len - 1] == L'/' || filename[len - 1] == L'\\') {
- len--;
- }
- wcscpy(&filename[len], L"\\*.*");
- FlipSlashesW( filename, wcslen(filename) );
-
- d->d_hdl = findFirstFileW( filename, &(d->d_entry) );
- if ( d->d_hdl == INVALID_HANDLE_VALUE ) {
- _PR_MD_MAP_OPENDIR_ERROR(GetLastError());
- return PR_FAILURE;
- }
- d->firstEntry = PR_TRUE;
- d->magic = _MD_MAGIC_DIR;
- return PR_SUCCESS;
-}
-
-PRUnichar *
-_PR_MD_READ_DIR_UTF16(_MDDirUTF16 *d, PRIntn flags)
-{
- PRInt32 err;
- BOOL rv;
- PRUnichar *fileName;
-
- if ( d ) {
- while (1) {
- if (d->firstEntry) {
- d->firstEntry = PR_FALSE;
- rv = 1;
- } else {
- rv = findNextFileW(d->d_hdl, &(d->d_entry));
- }
- if (rv == 0) {
- break;
- }
- fileName = GetFileFromDIR(d);
- if ( (flags & PR_SKIP_DOT) &&
- (fileName[0] == L'.') && (fileName[1] == L'\0'))
- continue;
- if ( (flags & PR_SKIP_DOT_DOT) &&
- (fileName[0] == L'.') && (fileName[1] == L'.') &&
- (fileName[2] == L'\0'))
- continue;
- if ( (flags & PR_SKIP_HIDDEN) && FileIsHidden(d))
- continue;
- return fileName;
- }
- err = GetLastError();
- PR_ASSERT(NO_ERROR != err);
- _PR_MD_MAP_READDIR_ERROR(err);
- return NULL;
- }
- PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
- return NULL;
-}
-
-PRInt32
-_PR_MD_CLOSE_DIR_UTF16(_MDDirUTF16 *d)
-{
- if ( d ) {
- if (FindClose(d->d_hdl)) {
- d->magic = (PRUint32)-1;
- return 0;
- } else {
- _PR_MD_MAP_CLOSEDIR_ERROR(GetLastError());
- return -1;
- }
- }
- PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
- return -1;
-}
-
-#define _PR_IS_W_SLASH(ch) ((ch) == L'/' || (ch) == L'\\')
-
-/*
- * IsRootDirectoryW --
- *
- * Return PR_TRUE if the pathname 'fn' is a valid root directory,
- * else return PR_FALSE. The PRUnichar buffer pointed to by 'fn' must
- * be writable. During the execution of this function, the contents
- * of the buffer pointed to by 'fn' may be modified, but on return
- * the original contents will be restored. 'buflen' is the size of
- * the buffer pointed to by 'fn', in PRUnichars.
- *
- * Root directories come in three formats:
- * 1. / or \, meaning the root directory of the current drive.
- * 2. C:/ or C:\, where C is a drive letter.
- * 3. \\<server name>\<share point name>\ or
- * \\<server name>\<share point name>, meaning the root directory
- * of a UNC (Universal Naming Convention) name.
- */
-
-static PRBool
-IsRootDirectoryW(PRUnichar *fn, size_t buflen)
-{
- PRUnichar *p;
- PRBool slashAdded = PR_FALSE;
- PRBool rv = PR_FALSE;
-
- if (_PR_IS_W_SLASH(fn[0]) && fn[1] == L'\0') {
- return PR_TRUE;
- }
-
- if (iswalpha(fn[0]) && fn[1] == L':' && _PR_IS_W_SLASH(fn[2])
- && fn[3] == L'\0') {
- rv = getDriveTypeW(fn) > 1 ? PR_TRUE : PR_FALSE;
- return rv;
- }
-
- /* The UNC root directory */
-
- if (_PR_IS_W_SLASH(fn[0]) && _PR_IS_W_SLASH(fn[1])) {
- /* The 'server' part should have at least one character. */
- p = &fn[2];
- if (*p == L'\0' || _PR_IS_W_SLASH(*p)) {
- return PR_FALSE;
- }
-
- /* look for the next slash */
- do {
- p++;
- } while (*p != L'\0' && !_PR_IS_W_SLASH(*p));
- if (*p == L'\0') {
- return PR_FALSE;
- }
-
- /* The 'share' part should have at least one character. */
- p++;
- if (*p == L'\0' || _PR_IS_W_SLASH(*p)) {
- return PR_FALSE;
- }
-
- /* look for the final slash */
- do {
- p++;
- } while (*p != L'\0' && !_PR_IS_W_SLASH(*p));
- if (_PR_IS_W_SLASH(*p) && p[1] != L'\0') {
- return PR_FALSE;
- }
- if (*p == L'\0') {
- /*
- * GetDriveType() doesn't work correctly if the
- * path is of the form \\server\share, so we add
- * a final slash temporarily.
- */
- if ((p + 1) < (fn + buflen)) {
- *p++ = L'\\';
- *p = L'\0';
- slashAdded = PR_TRUE;
- } else {
- return PR_FALSE; /* name too long */
- }
- }
- rv = getDriveTypeW(fn) > 1 ? PR_TRUE : PR_FALSE;
- /* restore the 'fn' buffer */
- if (slashAdded) {
- *--p = L'\0';
- }
- }
- return rv;
-}
-
-PRInt32
-_PR_MD_GETFILEINFO64_UTF16(const PRUnichar *fn, PRFileInfo64 *info)
-{
- HANDLE hFindFile;
- WIN32_FIND_DATAW findFileData;
- PRUnichar pathbuf[MAX_PATH + 1];
-
- if (NULL == fn || L'\0' == *fn) {
- PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
- return -1;
- }
-
- /*
- * FindFirstFile() expands wildcard characters. So
- * we make sure the pathname contains no wildcard.
- */
- if (NULL != wcspbrk(fn, L"?*")) {
- PR_SetError(PR_FILE_NOT_FOUND_ERROR, 0);
- return -1;
- }
-
- hFindFile = findFirstFileW(fn, &findFileData);
- if (INVALID_HANDLE_VALUE == hFindFile) {
- DWORD len;
- PRUnichar *filePart;
-
- /*
- * FindFirstFile() does not work correctly on root directories.
- * It also doesn't work correctly on a pathname that ends in a
- * slash. So we first check to see if the pathname specifies a
- * root directory. If not, and if the pathname ends in a slash,
- * we remove the final slash and try again.
- */
-
- /*
- * If the pathname does not contain ., \, and /, it cannot be
- * a root directory or a pathname that ends in a slash.
- */
- if (NULL == wcspbrk(fn, L".\\/")) {
- _PR_MD_MAP_OPENDIR_ERROR(GetLastError());
- return -1;
- }
- len = getFullPathNameW(fn, sizeof(pathbuf)/sizeof(pathbuf[0]), pathbuf,
- &filePart);
- if (0 == len) {
- _PR_MD_MAP_OPENDIR_ERROR(GetLastError());
- return -1;
- }
- if (len > sizeof(pathbuf)/sizeof(pathbuf[0])) {
- PR_SetError(PR_NAME_TOO_LONG_ERROR, 0);
- return -1;
- }
- if (IsRootDirectoryW(pathbuf, sizeof(pathbuf)/sizeof(pathbuf[0]))) {
- info->type = PR_FILE_DIRECTORY;
- info->size = 0;
- /*
- * These timestamps don't make sense for root directories.
- */
- info->modifyTime = 0;
- info->creationTime = 0;
- return 0;
- }
- if (!_PR_IS_W_SLASH(pathbuf[len - 1])) {
- _PR_MD_MAP_OPENDIR_ERROR(GetLastError());
- return -1;
- } else {
- pathbuf[len - 1] = L'\0';
- hFindFile = findFirstFileW(pathbuf, &findFileData);
- if (INVALID_HANDLE_VALUE == hFindFile) {
- _PR_MD_MAP_OPENDIR_ERROR(GetLastError());
- return -1;
- }
- }
- }
-
- FindClose(hFindFile);
-
- if (findFileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
- info->type = PR_FILE_DIRECTORY;
- } else {
- info->type = PR_FILE_FILE;
- }
-
- info->size = findFileData.nFileSizeHigh;
- info->size = (info->size << 32) + findFileData.nFileSizeLow;
-
- _PR_FileTimeToPRTime(&findFileData.ftLastWriteTime, &info->modifyTime);
-
- if (0 == findFileData.ftCreationTime.dwLowDateTime &&
- 0 == findFileData.ftCreationTime.dwHighDateTime) {
- info->creationTime = info->modifyTime;
- } else {
- _PR_FileTimeToPRTime(&findFileData.ftCreationTime,
- &info->creationTime);
- }
-
- return 0;
-}
-/* ================ end of UTF16 Interfaces ================================ */
-#endif /* MOZ_UNICODE */
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