Inital import

[l4.git] / l4 / pkg / uclibc / lib / contrib / uclibc / libc / sysdeps / linux / common / openat64.c

diff --git a/l4/pkg/uclibc/lib/contrib/uclibc/libc/sysdeps/linux/common/openat64.c b/l4/pkg/uclibc/lib/contrib/uclibc/libc/sysdeps/linux/common/openat64.c
new file mode 100644 (file)
index 0000000..06a5819
--- /dev/null
+++ b/l4/pkg/uclibc/lib/contrib/uclibc/libc/sysdeps/linux/common/openat64.c
@@ -0,0 +1,32 @@
+/*
+ * openat() for uClibc
+ *
+ * Copyright (C) 2009 Analog Devices Inc.
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#define openat64 __xx_openat
+#include <sys/syscall.h>
+#include <fcntl.h>
+#undef openat64
+
+#ifdef __UCLIBC_HAS_LFS__
+
+#ifdef __NR_openat
+/* The openat() prototype is varargs based, but we don't care about that
+ * here, so need to provide our own dedicated signature.
+ */
+extern int openat64(int fd, const char *file, int oflag, mode_t mode);
+libc_hidden_proto(openat64)
+
+int openat64(int fd, const char *file, int oflag, mode_t mode)
+{
+       return openat(fd, file, oflag | O_LARGEFILE, mode);
+}
+libc_hidden_def(openat64)
+#else
+/* should add emulation with open() and /proc/self/fd/ ... */
+#endif
+
+#endif