forked from pool/v4l-utils
33 lines
1.2 KiB
Diff
33 lines
1.2 KiB
Diff
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From ac8eb4d8e1c16b907e795da123a032869c77c56f Mon Sep 17 00:00:00 2001
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From: Riku Voipio <riku.voipio@linaro.org>
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Date: Tue, 22 Jan 2013 12:44:48 +0200
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Subject: [PATCH] libv4lsyscall-priv.h: use openat when available
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New architectures such as 64-Bit arm build kernels without legacy
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system calls - Such as the the no-at system calls. Thus, use
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SYS_openat whenever it is available.
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Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
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---
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lib/libv4lconvert/libv4lsyscall-priv.h | 5 +++++
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1 file changed, 5 insertions(+)
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Index: v4l-utils-0.8.9/lib/libv4lconvert/libv4lsyscall-priv.h
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===================================================================
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--- v4l-utils-0.8.9.orig/lib/libv4lconvert/libv4lsyscall-priv.h
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+++ v4l-utils-0.8.9/lib/libv4lconvert/libv4lsyscall-priv.h
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@@ -72,8 +72,13 @@ typedef off_t __off_t;
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#ifndef CONFIG_SYS_WRAPPER
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+#ifdef SYS_openat
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+#define SYS_OPEN(file, oflag, mode) \
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+ syscall(SYS_openat, AT_FDCWD, (const char *)(file), (int)(oflag), (mode_t)(mode))
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+#else
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#define SYS_OPEN(file, oflag, mode) \
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syscall(SYS_open, (const char *)(file), (int)(oflag), (mode_t)(mode))
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+#endif
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#define SYS_CLOSE(fd) \
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syscall(SYS_close, (int)(fd))
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#define SYS_IOCTL(fd, cmd, arg) \
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