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| author | Mike Frysinger <vapier@gentoo.org> | 2011-10-25 13:02:58 +0200 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2012-03-12 11:03:42 -0400 |
| commit | e2dcefcb404df39fc38786f4b76e3b94d4f476e1 (patch) | |
| tree | 70c06bebb31006aad7aa0a2d05ab93d314d95f9f /include/os.h | |
| parent | 4f345d5673bc68122bcc5018a97fda2d8275437d (diff) | |
| download | u-boot-imx-e2dcefcb404df39fc38786f4b76e3b94d4f476e1.zip u-boot-imx-e2dcefcb404df39fc38786f4b76e3b94d4f476e1.tar.gz u-boot-imx-e2dcefcb404df39fc38786f4b76e3b94d4f476e1.tar.bz2 | |
sandbox: add lseek helper
Follow up patches want to be able to seek fd's.
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'include/os.h')
| -rw-r--r-- | include/os.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/os.h b/include/os.h index c17a8a5..f74766d 100644 --- a/include/os.h +++ b/include/os.h @@ -49,6 +49,21 @@ 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 (see below) + * \return new file offset + */ +off_t os_lseek(int fd, off_t offset, int whence); + +/* Defines for "whence" in os_lseek() */ +#define OS_SEEK_SET 0 +#define OS_SEEK_CUR 1 +#define OS_SEEK_END 2 + +/** * Access to the OS open() system call * * \param pathname Pathname of file to open |