cgen: don't subtract null ptr in __offsetof, fix for `v -cstrict -c…

…c clang-14 cmd/tools/vpm.v` and other programs using `import net.http` (fix #19222) (#19520)
vlang · Oct 7, 2023 · 1e89b0b · 1e89b0b
1 parent aba38d1
commit 1e89b0b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/vlib/v/gen/c/cheaders.v b/vlib/v/gen/c/cheaders.v
@@ -360,7 +360,7 @@ const c_common_macros = '
 
 // for __offset_of
 #ifndef __offsetof
-	#define __offsetof(PTYPE,FIELDNAME) ((size_t)((char *)&((PTYPE *)0)->FIELDNAME - (char *)0))
+	#define __offsetof(PTYPE,FIELDNAME) ((size_t)(&((PTYPE *)0)->FIELDNAME))
 #endif
 
 #define OPTION_CAST(x) (x)