From a990de90fe41456a23e58bd087d2f107d321f3a1 Mon Sep 17 00:00:00 2001 From: Valentin Popov Date: Fri, 19 Jul 2024 16:37:58 +0400 Subject: Deleted vendor folder --- vendor/redox_syscall/src/scheme/seek.rs | 33 --------------------------------- 1 file changed, 33 deletions(-) delete mode 100644 vendor/redox_syscall/src/scheme/seek.rs (limited to 'vendor/redox_syscall/src/scheme/seek.rs') diff --git a/vendor/redox_syscall/src/scheme/seek.rs b/vendor/redox_syscall/src/scheme/seek.rs deleted file mode 100644 index 09a4518..0000000 --- a/vendor/redox_syscall/src/scheme/seek.rs +++ /dev/null @@ -1,33 +0,0 @@ -use core::cmp; -use core::convert::TryFrom; -use crate::error::*; -use crate::flag::*; - -/// Helper for seek calls -/// In most cases it's easier to use a usize to track the offset and buffer size internally, -/// but the seek interface uses isize. This wrapper ensures EOVERFLOW errors are returned -/// as appropriate if the value in the usize can't fit in the isize. -pub fn calc_seek_offset_usize(cur_offset: usize, pos: isize, whence: usize, buf_len: usize) -> Result { - let cur_offset = isize::try_from(cur_offset).or_else(|_| Err(Error::new(EOVERFLOW)))?; - let buf_len = isize::try_from(buf_len).or_else(|_| Err(Error::new(EOVERFLOW)))?; - calc_seek_offset_isize(cur_offset, pos, whence, buf_len) -} - -/// Helper for seek calls -/// Result is guaranteed to be positive. -/// EOVERFLOW returned if the arguments would cause an overflow. -/// EINVAL returned if the new offset is out of bounds. -pub fn calc_seek_offset_isize(cur_offset: isize, pos: isize, whence: usize, buf_len: isize) -> Result { - let new_offset = match whence { - SEEK_CUR => pos.checked_add(cur_offset), - SEEK_END => pos.checked_add(buf_len), - SEEK_SET => Some(pos), - _ => None, - }; - - match new_offset { - Some(new_offset) if new_offset < 0 => Err(Error::new(EINVAL)), - Some(new_offset) => Ok(cmp::min(new_offset, buf_len)), - None => Err(Error::new(EOVERFLOW)) - } -} \ No newline at end of file -- cgit v1.2.3