https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90580
Bug ID: 90580
Summary: error: ‘offsetof’ undeclared when it is declared, but
used with the wrong number of arguments
Product: gcc
Version: 8.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: slandden at gmail dot com
Target Milestone: ---
test2.c: In function ‘main’:
test2.c:113:42: error: macro "offsetof" requires 2 arguments, but only 1 given
113 | printf("offsetof %u", offsetof(key.rounds));
| ^
In file included from test2.c:64:
/usr/lib/gcc/powerpc64le-linux-gnu/9/include/stddef.h:406: note: macro
"offsetof" defined here
406 | #define offsetof(TYPE, MEMBER) __builtin_offsetof (TYPE, MEMBER)
|
test2.c:113:23: error: ‘offsetof’ undeclared (first use in this function)
113 | printf("offsetof %u", offsetof(key.rounds));
| ^~~~~~~~
test2.c:65:1: note: ‘offsetof’ is defined in header ‘<stddef.h>’; did you
forget to ‘#include <stddef.h>’?
64 | #include <stddef.h>
+++ |+#include <stddef.h>
65 | /*
test2.c:113:23: note: each undeclared identifier is reported only once for each
function it appears in
113 | printf("offsetof %u", offsetof(key.rounds));
| ^~~~~~~~
