/* $NetBSD: d_struct_init_nested.c,v 1.8 2023/03/28 14:44:34 rillig Exp $ */ # 3 "d_struct_init_nested.c" /* * Initialization of a nested struct, in which some parts are initialized * from non-constant expressions of the inner struct type. * * In C99, 6.7.8p13 describes exactly this case. */ /* lint1-extra-flags: -X 351 */ typedef enum O1 { O1C = 101 } O1; typedef enum O2 { O2C = 102 } O2; typedef enum O3 { O3C = 103 } O3; typedef enum I1 { I1C = 201 } I1; typedef enum I2 { I2C = 202 } I2; struct Inner1 { I1 i1; }; struct Outer3Inner1 { O1 o1; struct Inner1 inner; O3 o3; }; O1 funcOuter3Inner1(void) { struct Inner1 inner = { I1C }; struct Outer3Inner1 o3i1 = { O1C, inner, O3C }; return o3i1.o1; } struct Inner2 { I1 i1; I2 i2; }; struct Outer3Inner2 { O1 o1; struct Inner2 inner; O3 o3; }; O1 funcOuter3Inner2(void) { struct Inner2 inner = { I1C, I2C }; struct Outer3Inner2 o3i2 = { O1C, inner, O3C }; return o3i2.o1; } /* * For static storage duration, each initializer expression must be a constant * expression. */ struct Inner2 inner = { I1C, I2C }; struct Outer3Inner2 o3i2 = { O1C, /* expect+1: error: non-constant initializer [177] */ inner, O3C }; |