From bad1b218da611bfe521a12130077e70a9c484b7b Mon Sep 17 00:00:00 2001
From: Markos Chandras <markos.chandras@imgtec.com>
Date: Thu, 11 Oct 2012 11:08:28 +0100
Subject: ftruncate: Use ftruncate64 if arch does not have the ftruncate
syscall
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
---
libc/sysdeps/linux/common/ftruncate.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
(limited to 'libc')
diff --git a/libc/sysdeps/linux/common/ftruncate.c b/libc/sysdeps/linux/common/ftruncate.c
index ea4dfc0f6..96076e449 100644
--- a/libc/sysdeps/linux/common/ftruncate.c
+++ b/libc/sysdeps/linux/common/ftruncate.c
@@ -10,5 +10,20 @@
#include <sys/syscall.h>
#include <unistd.h>
+#if defined __NR_ftruncate64 && !defined __NR_ftruncate
+# include <endian.h>
+# include <stdint.h>
+int ftruncate(int fd, __off_t length)
+{
+# if defined __UCLIBC_HAS_LFS__
+ return ftruncate64(fd, length);
+# elif __WORDSIZE == 32
+ return INLINE_SYSCALL(ftruncate64, 3, fd, OFF_HI_LO(length));
+# endif
+}
+libc_hidden_def(ftruncate);
+
+#else
_syscall2(int, ftruncate, int, fd, __off_t, length)
libc_hidden_def(ftruncate)
+#endif
--
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