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/if_perlsfio.c
+++ b/src/if_perlsfio.c
@@ -51,7 +51,7 @@ sfdcnewvim(void)
 {
     Sfdisc_t	*disc;
 
-    disc = (Sfdisc_t *)alloc(sizeof(Sfdisc_t));
+    disc = ALLOC_ONE(Sfdisc_t);
     if (disc == NULL)
 	return NULL;