patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts commit https://github.com/vim/vim/commit/c799fe206e61f2e2c1231bc46cbe4bb354f3da69 Author: Bram Moolenaar <Bram@vim.org> Date: Tue May 28 23:08:19 2019 +0200 patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts Problem: Alloc() returning "char_u *" causes a lot of type casts. Solution: Have it return "void *". (Mike Williams) Define ALLOC_ONE() to check the simple allocations.

--- a/src/os_mac_conv.c
+++ b/src/os_mac_conv.c
@@ -550,7 +550,7 @@ mac_utf8_to_utf16(
     }
 
     convertRange = CFRangeMake(0, CFStringGetLength(utf8_str));
-    result = (UniChar *)alloc(convertRange.length * sizeof(UniChar));
+    result = ALLOC_MULT(UniChar, convertRange.length);
 
     CFStringGetCharacters(utf8_str, convertRange, result);