Re: [PATCH 1/4] Use off_t and off64_t instead of __off_t and __off64_t

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Em Sun, 25 Jan 2015 21:36:15 +0100
Felix Janda <felix.janda@xxxxxxxxx> escreveu:

> Since _LARGEFILE64_SOURCE is 1, these types coincide if defined.

The __off_t macro was also added by the FreeBSD patchset. Removing this
will likely break for FreeBSD.

So, provided that this is not causing any issues, better to keep it
as-is.

Regards,
Mauro



> 
> Signed-off-by: Felix Janda <felix.janda@xxxxxxxxx>
> ---
>  lib/libv4l1/v4l1compat.c               | 5 ++---
>  lib/libv4l2/v4l2convert.c              | 4 ++--
>  lib/libv4lconvert/libv4lsyscall-priv.h | 7 +++----
>  3 files changed, 7 insertions(+), 9 deletions(-)
> 
> diff --git a/lib/libv4l1/v4l1compat.c b/lib/libv4l1/v4l1compat.c
> index e328288..07240c1 100644
> --- a/lib/libv4l1/v4l1compat.c
> +++ b/lib/libv4l1/v4l1compat.c
> @@ -26,7 +26,6 @@
>  #include <stdarg.h>
>  #include <fcntl.h>
>  #include <libv4l1.h>
> -#include "../libv4lconvert/libv4lsyscall-priv.h" /* for __off_t */
>  
>  #include <sys/ioctl.h>
>  #include <sys/mman.h>
> @@ -112,14 +111,14 @@ LIBV4L_PUBLIC ssize_t read(int fd, void *buffer, size_t n)
>  }
>  
>  LIBV4L_PUBLIC void *mmap(void *start, size_t length, int prot, int flags, int fd,
> -		__off_t offset)
> +		off_t offset)
>  {
>  	return v4l1_mmap(start, length, prot, flags, fd, offset);
>  }
>  
>  #ifdef linux
>  LIBV4L_PUBLIC void *mmap64(void *start, size_t length, int prot, int flags, int fd,
> -		__off64_t offset)
> +		off64_t offset)
>  {
>  	return v4l1_mmap(start, length, prot, flags, fd, offset);
>  }
> diff --git a/lib/libv4l2/v4l2convert.c b/lib/libv4l2/v4l2convert.c
> index 9b46ab8..b65da5e 100644
> --- a/lib/libv4l2/v4l2convert.c
> +++ b/lib/libv4l2/v4l2convert.c
> @@ -139,14 +139,14 @@ LIBV4L_PUBLIC ssize_t read(int fd, void *buffer, size_t n)
>  }
>  
>  LIBV4L_PUBLIC void *mmap(void *start, size_t length, int prot, int flags, int fd,
> -		__off_t offset)
> +		off_t offset)
>  {
>  	return v4l2_mmap(start, length, prot, flags, fd, offset);
>  }
>  
>  #ifdef linux
>  LIBV4L_PUBLIC void *mmap64(void *start, size_t length, int prot, int flags, int fd,
> -		__off64_t offset)
> +		off64_t offset)
>  {
>  	return v4l2_mmap(start, length, prot, flags, fd, offset);
>  }
> diff --git a/lib/libv4lconvert/libv4lsyscall-priv.h b/lib/libv4lconvert/libv4lsyscall-priv.h
> index cdd38bc..ce89073 100644
> --- a/lib/libv4lconvert/libv4lsyscall-priv.h
> +++ b/lib/libv4lconvert/libv4lsyscall-priv.h
> @@ -59,7 +59,6 @@
>  #define	_IOC_SIZE(cmd) IOCPARM_LEN(cmd)
>  #define	MAP_ANONYMOUS MAP_ANON
>  #define	MMAP2_PAGE_SHIFT 0
> -typedef off_t __off_t;
>  #endif
>  
>  #undef SYS_OPEN
> @@ -91,15 +90,15 @@ typedef off_t __off_t;
>  #if defined(__FreeBSD__)
>  #define SYS_MMAP(addr, len, prot, flags, fd, off) \
>  	__syscall(SYS_mmap, (void *)(addr), (size_t)(len), \
> -			(int)(prot), (int)(flags), (int)(fd), (__off_t)(off))
> +			(int)(prot), (int)(flags), (int)(fd), (off_t)(off))
>  #elif defined(__FreeBSD_kernel__)
>  #define SYS_MMAP(addr, len, prot, flags, fd, off) \
>  	syscall(SYS_mmap, (void *)(addr), (size_t)(len), \
> -			(int)(prot), (int)(flags), (int)(fd), (__off_t)(off))
> +			(int)(prot), (int)(flags), (int)(fd), (off_t)(off))
>  #else
>  #define SYS_MMAP(addr, len, prot, flags, fd, off) \
>  	syscall(SYS_mmap2, (void *)(addr), (size_t)(len), \
> -			(int)(prot), (int)(flags), (int)(fd), (__off_t)((off) >> MMAP2_PAGE_SHIFT))
> +			(int)(prot), (int)(flags), (int)(fd), (off_t)((off) >> MMAP2_PAGE_SHIFT))
>  #endif
>  
>  #define SYS_MUNMAP(addr, len) \
--
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