diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/uio.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/uio.h | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/ANDROID_3.4.5/include/linux/uio.h b/ANDROID_3.4.5/include/linux/uio.h deleted file mode 100644 index 98c11432..00000000 --- a/ANDROID_3.4.5/include/linux/uio.h +++ /dev/null @@ -1,56 +0,0 @@ -#ifndef __LINUX_UIO_H -#define __LINUX_UIO_H - -#include <linux/compiler.h> -#include <linux/types.h> - -/* - * Berkeley style UIO structures - Alan Cox 1994. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -struct iovec -{ - void __user *iov_base; /* BSD uses caddr_t (1003.1g requires void *) */ - __kernel_size_t iov_len; /* Must be size_t (1003.1g) */ -}; - -/* - * UIO_MAXIOV shall be at least 16 1003.1g (5.4.1.1) - */ - -#define UIO_FASTIOV 8 -#define UIO_MAXIOV 1024 - -#ifdef __KERNEL__ - -struct kvec { - void *iov_base; /* and that should *never* hold a userland pointer */ - size_t iov_len; -}; - -/* - * Total number of bytes covered by an iovec. - * - * NOTE that it is not safe to use this function until all the iovec's - * segment lengths have been validated. Because the individual lengths can - * overflow a size_t when added together. - */ -static inline size_t iov_length(const struct iovec *iov, unsigned long nr_segs) -{ - unsigned long seg; - size_t ret = 0; - - for (seg = 0; seg < nr_segs; seg++) - ret += iov[seg].iov_len; - return ret; -} - -unsigned long iov_shorten(struct iovec *iov, unsigned long nr_segs, size_t to); -#endif - -#endif |