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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /media/libav/libavutil/file_open.c
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'media/libav/libavutil/file_open.c')
-rw-r--r--media/libav/libavutil/file_open.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/media/libav/libavutil/file_open.c b/media/libav/libavutil/file_open.c
new file mode 100644
index 000000000..765eb60ef
--- /dev/null
+++ b/media/libav/libavutil/file_open.c
@@ -0,0 +1,93 @@
+/*
+ * This file is part of Libav.
+ *
+ * Libav 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 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav 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 Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+#include "internal.h"
+#include "mem.h"
+#include <stdarg.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#if HAVE_IO_H
+#include <io.h>
+#endif
+
+#if defined(_WIN32) && !defined(__MINGW32CE__)
+#undef open
+#undef lseek
+#undef stat
+#undef fstat
+#include <windows.h>
+#include <share.h>
+#include <errno.h>
+
+static int win32_open(const char *filename_utf8, int oflag, int pmode)
+{
+ int fd;
+ int num_chars;
+ wchar_t *filename_w;
+
+ /* convert UTF-8 to wide chars */
+ num_chars = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, filename_utf8, -1, NULL, 0);
+ if (num_chars <= 0)
+ goto fallback;
+ filename_w = av_mallocz(sizeof(wchar_t) * num_chars);
+ if (!filename_w) {
+ errno = ENOMEM;
+ return -1;
+ }
+ MultiByteToWideChar(CP_UTF8, 0, filename_utf8, -1, filename_w, num_chars);
+
+ fd = _wsopen(filename_w, oflag, SH_DENYNO, pmode);
+ av_freep(&filename_w);
+
+ if (fd != -1 || (oflag & O_CREAT))
+ return fd;
+
+fallback:
+ /* filename may be be in CP_ACP */
+ return _sopen(filename_utf8, oflag, SH_DENYNO, pmode);
+}
+#define open win32_open
+#endif
+
+int avpriv_open(const char *filename, int flags, ...)
+{
+ int fd;
+ unsigned int mode = 0;
+ va_list ap;
+
+ va_start(ap, flags);
+ if (flags & O_CREAT)
+ mode = va_arg(ap, unsigned int);
+ va_end(ap);
+
+#ifdef O_CLOEXEC
+ flags |= O_CLOEXEC;
+#endif
+
+ fd = open(filename, flags, mode);
+#if HAVE_FCNTL
+ if (fd != -1)
+ fcntl(fd, F_SETFD, FD_CLOEXEC);
+#endif
+
+ return fd;
+}