File use-openat-if-available.patch of Package v4l-utils

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File use-openat-if-available.patch of Package v4l-utils (Revision 5283fc7dc2a0b464d1fd8b21a03071ca)

Currently displaying revision 5283fc7dc2a0b464d1fd8b21a03071ca , Show latest

From ac8eb4d8e1c16b907e795da123a032869c77c56f Mon Sep 17 00:00:00 2001
From: Riku Voipio <riku.voipio@linaro.org>
Date: Tue, 22 Jan 2013 12:44:48 +0200
Subject: [PATCH] libv4lsyscall-priv.h: use openat when available

New architectures such as 64-Bit arm build kernels without legacy
system calls - Such as the the no-at system calls. Thus, use
SYS_openat whenever it is available.

Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
---
 lib/libv4lconvert/libv4lsyscall-priv.h |    5 +++++
 1 file changed, 5 insertions(+)

Index: v4l-utils-0.8.9/lib/libv4lconvert/libv4lsyscall-priv.h
===================================================================
--- v4l-utils-0.8.9.orig/lib/libv4lconvert/libv4lsyscall-priv.h
+++ v4l-utils-0.8.9/lib/libv4lconvert/libv4lsyscall-priv.h
@@ -72,8 +72,13 @@ typedef off_t __off_t;
 
 #ifndef CONFIG_SYS_WRAPPER
 
+#ifdef SYS_openat
+#define SYS_OPEN(file, oflag, mode) \
+       syscall(SYS_openat, AT_FDCWD, (const char *)(file), (int)(oflag), (mode_t)(mode))
+#else
 #define SYS_OPEN(file, oflag, mode) \
 	syscall(SYS_open, (const char *)(file), (int)(oflag), (mode_t)(mode))
+#endif
 #define SYS_CLOSE(fd) \
 	syscall(SYS_close, (int)(fd))
 #define SYS_IOCTL(fd, cmd, arg) \

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File use-openat-if-available.patch of Package v4l-utils (Revision 5283fc7dc2a0b464d1fd8b21a03071ca)

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