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authorMike Frysinger <vapier@gentoo.org>2011-10-25 13:02:58 +0200
committerMike Frysinger <vapier@gentoo.org>2012-03-12 11:03:42 -0400
commite2dcefcb404df39fc38786f4b76e3b94d4f476e1 (patch)
tree70c06bebb31006aad7aa0a2d05ab93d314d95f9f /arch/sandbox
parent4f345d5673bc68122bcc5018a97fda2d8275437d (diff)
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 'arch/sandbox')
-rw-r--r--arch/sandbox/cpu/os.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c
index 093e7dc7ad3..f6d0e8457d1 100644
--- a/arch/sandbox/cpu/os.c
+++ b/arch/sandbox/cpu/os.c
@@ -45,6 +45,19 @@ 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)
+{
+ if (whence == OS_SEEK_SET)
+ whence = SEEK_SET;
+ else if (whence == OS_SEEK_CUR)
+ whence = SEEK_CUR;
+ else if (whence == OS_SEEK_END)
+ whence = SEEK_END;
+ else
+ os_exit(1);
+ return lseek(fd, offset, whence);
+}
+
int os_open(const char *pathname, int flags)
{
return open(pathname, flags);