/*
* Copyright (C) 2013 Eric Biggers
*
- * This file is part of wimlib, a library for working with WIM files.
+ * This file is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the Free
+ * Software Foundation; either version 3 of the License, or (at your option) any
+ * later version.
*
- * wimlib is free software; you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 3 of the License, or (at your option)
- * any later version.
- *
- * wimlib is distributed in the hope that it will be useful, but WITHOUT ANY
- * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
- * A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * This file is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
- * You should have received a copy of the GNU General Public License
- * along with wimlib; if not, see http://www.gnu.org/licenses/.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this file; if not, see http://www.gnu.org/licenses/.
*/
#ifdef __WIN32__
#include <errno.h>
#include <pthread.h>
-#include <shlwapi.h> /* for PathMatchSpecW() */
+#include <io.h> /* for _get_osfhandle() */
+#include <fcntl.h>
+
#include "wimlib/win32_common.h"
#include "wimlib/assert.h"
-#include "wimlib/file_io.h"
#include "wimlib/glob.h"
#include "wimlib/error.h"
-#include "wimlib/wildcard.h"
#include "wimlib/util.h"
/* Replacement for POSIX fsync() */
.dwLength = sizeof(status),
};
GlobalMemoryStatusEx(&status);
- return status.ullTotalPhys;
+ return (u64)min(status.ullTotalPhys, status.ullTotalVirtual) * 85 / 100;
}
/* Replacement for POSIX-2008 realpath(). Warning: partial functionality only
return -1;
}
-/* truncate() replacement */
-int
-win32_truncate_replacement(const wchar_t *path, off_t size)
-{
- DWORD err = NO_ERROR;
- LARGE_INTEGER liOffset;
-
- HANDLE h = win32_open_existing_file(path, GENERIC_WRITE);
- if (h == INVALID_HANDLE_VALUE)
- goto fail;
-
- liOffset.QuadPart = size;
- if (!SetFilePointerEx(h, liOffset, NULL, FILE_BEGIN))
- goto fail_close_handle;
-
- if (!SetEndOfFile(h))
- goto fail_close_handle;
- CloseHandle(h);
- return 0;
-
-fail_close_handle:
- err = GetLastError();
- CloseHandle(h);
-fail:
- if (err == NO_ERROR)
- err = GetLastError();
- set_errno_from_win32_error(err);
- return -1;
-}
-
-
/* This really could be replaced with _wcserror_s, but this doesn't seem to
* actually be available in MSVCRT.DLL on Windows XP (perhaps it's statically
* linked in by Visual Studio...?). */
-extern int
+int
win32_strerror_r_replacement(int errnum, wchar_t *buf, size_t buflen)
{
static pthread_mutex_t strerror_lock = PTHREAD_MUTEX_INITIALIZER;
return do_pread_or_pwrite(fd, (void*)buf, count, offset, true);
}
-int
-win32_get_file_and_vol_ids(const wchar_t *path, u64 *ino_ret, u64 *dev_ret)
-{
- HANDLE h;
- BY_HANDLE_FILE_INFORMATION file_info;
- int ret;
- DWORD err;
-
- h = win32_open_existing_file(path, FILE_READ_ATTRIBUTES);
- if (h == INVALID_HANDLE_VALUE) {
- ret = WIMLIB_ERR_OPEN;
- goto out;
- }
-
- if (!GetFileInformationByHandle(h, &file_info)) {
- ret = WIMLIB_ERR_STAT;
- } else {
- *ino_ret = ((u64)file_info.nFileIndexHigh << 32) |
- (u64)file_info.nFileIndexLow;
- *dev_ret = file_info.dwVolumeSerialNumber;
- ret = 0;
- }
- err = GetLastError();
- CloseHandle(h);
- SetLastError(err);
-out:
- set_errno_from_GetLastError();
- return ret;
-}
-
/* Replacement for glob() in Windows native builds that operates on wide
* characters. */
int
FREE(pglob->gl_pathv);
}
+/* Replacement for fopen(path, "a") that doesn't prevent other processes from
+ * reading the file */
+FILE *
+win32_open_logfile(const wchar_t *path)
+{
+ HANDLE h;
+ int fd;
+ FILE *fp;
+
+ h = CreateFile(path, FILE_APPEND_DATA, FILE_SHARE_VALID_FLAGS,
+ NULL, OPEN_ALWAYS, 0, NULL);
+ if (h == INVALID_HANDLE_VALUE)
+ return NULL;
+
+ fd = _open_osfhandle((intptr_t)h, O_APPEND);
+ if (fd < 0) {
+ CloseHandle(h);
+ return NULL;
+ }
+
+ fp = fdopen(fd, "a");
+ if (!fp) {
+ close(fd);
+ return NULL;
+ }
+
+ return fp;
+}
+
#endif /* __WIN32__ */