Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/builtin-object-size-7.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
line wrap: on
line source
/* { dg-do run } */ /* { dg-options "-O2" } */ typedef __SIZE_TYPE__ size_t; extern void *malloc (size_t); extern void abort (void); struct A { int i, j, k; char buf[255]; int l, m, n, o; }; int main (void) { const size_t s = sizeof (struct A); const size_t o = __builtin_offsetof (struct A, buf); struct A *a = malloc (s); struct A *b = malloc (o + 212); if (__builtin_object_size (a->buf, 0) != s - o) abort (); if (__builtin_object_size (a->buf, 1) != sizeof (a->buf)) abort (); if (__builtin_object_size (a->buf, 2) != s - o) abort (); if (__builtin_object_size (a->buf, 3) != sizeof (a->buf)) abort (); if (__builtin_object_size (&a->buf[0], 0) != s - o) abort (); if (__builtin_object_size (&a->buf[0], 1) != sizeof (a->buf)) abort (); if (__builtin_object_size (&a->buf[0], 2) != s - o) abort (); if (__builtin_object_size (&a->buf[0], 3) != sizeof (a->buf)) abort (); if (__builtin_object_size (&a->buf[6], 0) != s - o - 6) abort (); if (__builtin_object_size (&a->buf[6], 1) != sizeof (a->buf) - 6) abort (); if (__builtin_object_size (&a->buf[6], 2) != s - o - 6) abort (); if (__builtin_object_size (&a->buf[6], 3) != sizeof (a->buf) - 6) abort (); if (__builtin_object_size (b->buf, 0) != 212) abort (); if (__builtin_object_size (b->buf, 1) != 212) abort (); if (__builtin_object_size (b->buf, 2) != 212) abort (); if (__builtin_object_size (b->buf, 3) != 212) abort (); if (__builtin_object_size (&b->buf[0], 0) != 212) abort (); if (__builtin_object_size (&b->buf[0], 1) != 212) abort (); if (__builtin_object_size (&b->buf[0], 2) != 212) abort (); if (__builtin_object_size (&b->buf[0], 3) != 212) abort (); if (__builtin_object_size (&b->buf[28], 0) != 212 - 28) abort (); if (__builtin_object_size (&b->buf[28], 1) != 212 - 28) abort (); if (__builtin_object_size (&b->buf[28], 2) != 212 - 28) abort (); if (__builtin_object_size (&b->buf[28], 3) != 212 - 28) abort (); return 0; }