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@@ -0,0 +1,93 @@
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+/*
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+ * This file is part of FFmpeg.
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+ *
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+ * FFmpeg is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU Lesser General Public
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+ * License as published by the Free Software Foundation; either
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+ * version 2.1 of the License, or (at your option) any later version.
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+ *
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+ * FFmpeg is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ * Lesser General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU Lesser General Public
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+ * License along with FFmpeg; if not, write to the Free Software
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+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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+ */
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+
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+#include "config.h"
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+#include "internal.h"
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+#include "mem.h"
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+#include <stdarg.h>
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+#include <fcntl.h>
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+#include <sys/stat.h>
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+#if HAVE_UNISTD_H
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+#include <unistd.h>
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+#endif
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+#if HAVE_IO_H
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+#include <io.h>
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+#endif
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+
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+#if defined(_WIN32) && !defined(__MINGW32CE__)
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+#undef open
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+#undef lseek
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+#undef stat
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+#undef fstat
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+#include <windows.h>
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+#include <share.h>
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+#include <errno.h>
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+
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+static int win32_open(const char *filename_utf8, int oflag, int pmode)
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+{
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+ int fd;
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+ int num_chars;
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+ wchar_t *filename_w;
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+
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+ /* convert UTF-8 to wide chars */
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+ num_chars = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, filename_utf8, -1, NULL, 0);
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+ if (num_chars <= 0)
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+ goto fallback;
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+ filename_w = av_mallocz(sizeof(wchar_t) * num_chars);
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+ if (!filename_w) {
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+ errno = ENOMEM;
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+ return -1;
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+ }
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+ MultiByteToWideChar(CP_UTF8, 0, filename_utf8, -1, filename_w, num_chars);
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+
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+ fd = _wsopen(filename_w, oflag, SH_DENYNO, pmode);
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+ av_freep(&filename_w);
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+
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+ if (fd != -1 || (oflag & O_CREAT))
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+ return fd;
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+
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+fallback:
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+ /* filename may be be in CP_ACP */
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+ return _sopen(filename_utf8, oflag, SH_DENYNO, pmode);
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+}
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+#define open win32_open
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+#endif
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+
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+int avpriv_open(const char *filename, int flags, ...)
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+{
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+ int fd;
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+ unsigned int mode = 0;
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+ va_list ap;
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+
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+ va_start(ap, flags);
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+ if (flags & O_CREAT)
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+ mode = va_arg(ap, unsigned int);
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+ va_end(ap);
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+
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+#ifdef O_CLOEXEC
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+ flags |= O_CLOEXEC;
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+#endif
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+
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+ fd = open(filename, flags, mode);
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+#if HAVE_FCNTL
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+ if (fd != -1)
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+ fcntl(fd, F_SETFD, FD_CLOEXEC);
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+#endif
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+
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+ return fd;
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+}
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