zig

commit f0482c95d2c0ed05b6f8ee2826e4fc11982410b4 (tree)
parent 23ac4dd87b740012ba33e8ab2ea6fb25c04b6268
Author: kcbanner <kcbanner@gmail.com>
Date:   Sat, 15 Apr 2023 23:23:29 -0400

DynLib.lookup: cast the pointer to the correct alignment

Diffstat:
M
lib/std/dynamic_library.zig
 | 
4
++--

1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/std/dynamic_library.zig b/lib/std/dynamic_library.zig
@@ -348,7 +348,7 @@ pub const WindowsDynLib = struct {
 
     pub fn lookup(self: *WindowsDynLib, comptime T: type, name: [:0]const u8) ?T {
         if (windows.kernel32.GetProcAddress(self.dll, name.ptr)) |addr| {
-            return @ptrCast(T, addr);
+            return @ptrCast(T, @alignCast(@alignOf(@typeInfo(T).Pointer.child), addr));
         } else {
             return null;
         }
@@ -382,7 +382,7 @@ pub const DlDynlib = struct {
         // dlsym (and other dl-functions) secretly take shadow parameter - return address on stack
         // https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66826
         if (@call(.never_tail, system.dlsym, .{ self.handle, name.ptr })) |symbol| {
-            return @ptrCast(T, symbol);
+            return @ptrCast(T, @alignCast(@alignOf(@typeInfo(T).Pointer.child), symbol));
         } else {
             return null;
         }