zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/sysdeps/linux/common/ftruncate64.c b/ap/build/uClibc/libc/sysdeps/linux/common/ftruncate64.c
new file mode 100644
index 0000000..c5a6160
--- /dev/null
+++ b/ap/build/uClibc/libc/sysdeps/linux/common/ftruncate64.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ *
+ * ftruncate64 syscall. Copes with 64 bit and 32 bit machines
+ * and on 32 bit machines this sends things into the kernel as
+ * two 32-bit arguments (high and low 32 bits of length) that
+ * are ordered based on endianess. It turns out endian.h has
+ * just the macro we need to order things, __LONG_LONG_PAIR.
+ */
+
+#include <features.h>
+
+#ifdef __UCLIBC_HAS_LFS__
+
+# include <unistd.h>
+# include <errno.h>
+# include <endian.h>
+# include <stdint.h>
+# include <sys/types.h>
+# include <sys/syscall.h>
+
+
+# ifdef __NR_ftruncate64
+
+# if __WORDSIZE == 64
+
+/* For a 64 bit machine, life is simple... */
+_syscall2(int, ftruncate64, int, fd, __off64_t, length)
+
+# elif __WORDSIZE == 32
+
+/* The exported ftruncate64 function. */
+int ftruncate64 (int fd, __off64_t length)
+{
+ uint32_t low = length & 0xffffffff;
+ uint32_t high = length >> 32;
+# if defined(__UCLIBC_TRUNCATE64_HAS_4_ARGS__)
+ return INLINE_SYSCALL(ftruncate64,
+ 4, fd, 0, __LONG_LONG_PAIR (high, low));
+# else
+ return INLINE_SYSCALL(ftruncate64, 3, fd,
+ __LONG_LONG_PAIR (high, low));
+# endif
+}
+
+# else /* __WORDSIZE */
+# error Your machine is not 64 bit or 32 bit, I am dazed and confused.
+# endif /* __WORDSIZE */
+
+# else /* __NR_ftruncate64 */
+
+
+int ftruncate64 (int fd, __off64_t length)
+{
+ __off_t x = (__off_t) length;
+
+ if (x == length) {
+ return ftruncate(fd, x);
+ }
+
+ __set_errno((x < 0) ? EINVAL : EFBIG);
+
+ return -1;
+}
+
+# endif /* __NR_ftruncate64 */
+libc_hidden_def(ftruncate64)
+
+#endif /* __UCLIBC_HAS_LFS__ */