std.posix: Handle USER_MAPPED_FILE in windows ftruncate() impl

linusg · andrewrk · commit 68bd82d0cc9b · 2025-02-23T16:58:26.000-05:00
diff --git a/lib/std/posix.zig b/lib/std/posix.zig
@@ -1056,6 +1056,7 @@ pub fn ftruncate(fd: fd_t, length: u64) TruncateError!void {
             .SUCCESS => return,
             .INVALID_HANDLE => unreachable, // Handle not open for writing
             .ACCESS_DENIED => return error.AccessDenied,
+            .USER_MAPPED_FILE => return error.AccessDenied,
             else => return windows.unexpectedStatus(rc),
         }
     }

Original file line number	Diff line number	Diff line change
`@@ -1056,6 +1056,7 @@ pub fn ftruncate(fd: fd_t, length: u64) TruncateError!void {`
`1056`	`1056`	`.SUCCESS => return,`
`1057`	`1057`	`.INVALID_HANDLE => unreachable, // Handle not open for writing`
`1058`	`1058`	`.ACCESS_DENIED => return error.AccessDenied,`
	`1059`	`+ .USER_MAPPED_FILE => return error.AccessDenied,`
`1059`	`1060`	`else => return windows.unexpectedStatus(rc),`
`1060`	`1061`	`}`
`1061`	`1062`	`}`