commit b39ee42904d9210ff3b6872d69535d32f588f907 Author: Nick Mathewson nickm@torproject.org Date: Wed Sep 4 10:56:57 2019 -0400
compat_compiler: fix documentation for STRUCT_VAR_P
Previously we had said that off_t was a reasonable type to hold the result of offsetof(). That isn't so: ptrdiff_t is correct. --- src/lib/cc/compat_compiler.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/lib/cc/compat_compiler.h b/src/lib/cc/compat_compiler.h index a8d159321..92301449e 100644 --- a/src/lib/cc/compat_compiler.h +++ b/src/lib/cc/compat_compiler.h @@ -195,7 +195,7 @@ * structure <b>st</b>. Example: * <pre> * struct a { int foo; int bar; } x; - * off_t bar_offset = offsetof(struct a, bar); + * ptrdiff_t bar_offset = offsetof(struct a, bar); * int *bar_p = STRUCT_VAR_P(&x, bar_offset); * *bar_p = 3; * </pre>