Hi Mike,
On Sun, Jan 22, 2012 at 10:30 PM, Mike Frysinger vapier@gentoo.org wrote:
Follow up patches want to be able to seek fd's.
Signed-off-by: Mike Frysinger vapier@gentoo.org
arch/sandbox/cpu/os.c | 5 +++++ include/os.h | 10 ++++++++++ 2 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c index 093e7dc..6e257ff 100644 --- a/arch/sandbox/cpu/os.c +++ b/arch/sandbox/cpu/os.c @@ -45,6 +45,11 @@ ssize_t os_write(int fd, const void *buf, size_t count) return write(fd, buf, count); }
+off_t os_lseek(int fd, off_t offset, int whence) +{
- return lseek(fd, offset, whence);
+}
I think we need some sort of #define setup for the whence parameter in the header file, like I did with open().
int os_open(const char *pathname, int flags) { return open(pathname, flags); diff --git a/include/os.h b/include/os.h index c17a8a5..d182f40 100644 --- a/include/os.h +++ b/include/os.h @@ -49,6 +49,16 @@ ssize_t os_read(int fd, void *buf, size_t count); ssize_t os_write(int fd, const void *buf, size_t count);
/**
- Access to the OS lseek() system call
- \param fd File descriptor as returned by os_open()
- \param offset File offset (based on whence)
- \param whence Position offset is relative to
Document the values of this param, since people can't really assume the mirror lseek() unless we tell them.
- \return new file offset
- */
+off_t os_lseek(int fd, off_t offset, int whence);
+/** * Access to the OS open() system call * * \param pathname Pathname of file to open -- 1.7.8.3
Regards, Simon