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crates/stdlib/src/mmap.rs

Lines changed: 17 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -44,7 +44,7 @@ mod mmap {
4444
};
4545
#[cfg(windows)]
4646
use windows_sys::Win32::Storage::FileSystem::{
47-
GetFileSize, SetEndOfFile, SetFilePointerEx, FILE_BEGIN,
47+
FILE_BEGIN, GetFileSize, SetEndOfFile, SetFilePointerEx,
4848
};
4949
#[cfg(windows)]
5050
use windows_sys::Win32::System::Threading::GetCurrentProcess;
@@ -489,9 +489,7 @@ mod mmap {
489489
let handle = unsafe { suppress_iph!(libc::get_osfhandle(fileno)) };
490490
// Check for invalid handle value (-1 on Windows)
491491
if handle == -1 || handle == INVALID_HANDLE_VALUE as isize {
492-
return Err(
493-
vm.new_os_error(format!("Invalid file descriptor: {}", fileno))
494-
);
492+
return Err(vm.new_os_error(format!("Invalid file descriptor: {}", fileno)));
495493
}
496494
Some(handle as HANDLE)
497495
} else {
@@ -1110,7 +1108,12 @@ mod mmap {
11101108
// Restore original mmap on error
11111109
let err = io::Error::last_os_error();
11121110
let old_size = self.size.load();
1113-
if let Ok(mmap) = Self::create_mmap_windows(handle as HANDLE, self.offset, old_size, &self.access) {
1111+
if let Ok(mmap) = Self::create_mmap_windows(
1112+
handle as HANDLE,
1113+
self.offset,
1114+
old_size,
1115+
&self.access,
1116+
) {
11141117
*mmap_guard = Some(mmap);
11151118
}
11161119
return Err(err.to_pyexception(vm));
@@ -1120,15 +1123,21 @@ mod mmap {
11201123
if result == 0 {
11211124
let err = io::Error::last_os_error();
11221125
let old_size = self.size.load();
1123-
if let Ok(mmap) = Self::create_mmap_windows(handle as HANDLE, self.offset, old_size, &self.access) {
1126+
if let Ok(mmap) = Self::create_mmap_windows(
1127+
handle as HANDLE,
1128+
self.offset,
1129+
old_size,
1130+
&self.access,
1131+
) {
11241132
*mmap_guard = Some(mmap);
11251133
}
11261134
return Err(err.to_pyexception(vm));
11271135
}
11281136

11291137
// Create new mmap with the new size
1130-
let new_mmap = Self::create_mmap_windows(handle as HANDLE, self.offset, newsize, &self.access)
1131-
.map_err(|e| e.to_pyexception(vm))?;
1138+
let new_mmap =
1139+
Self::create_mmap_windows(handle as HANDLE, self.offset, newsize, &self.access)
1140+
.map_err(|e| e.to_pyexception(vm))?;
11321141

11331142
*mmap_guard = Some(new_mmap);
11341143
self.size.store(newsize);

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