File: pragma-pack-5.c

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (46 lines) | stat: -rw-r--r-- 1,075 bytes parent folder | download | duplicates (30) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
 
// RUN: %clang_cc1 -triple x86_64-apple-darwin9 %s -fsyntax-only -verify -ffreestanding
// expected-no-diagnostics
// <rdar://problem/10494810> and PR9560
// Check #pragma pack handling with bitfields.

#include <stddef.h>
#pragma pack(2)

struct s0 {
     char        f1;
     unsigned    f2 : 32;
     char        f3;
};
extern int check[sizeof(struct s0) == 6 ? 1 : -1];

struct s1 {
     char        f1;
     unsigned       : 0;
     char        f3;
};
extern int check[sizeof(struct s1) == 5 ? 1 : -1];

struct s2 {
     char        f1;
     unsigned       : 0;
     unsigned    f3 : 8;
     char        f4;
};
extern int check[sizeof(struct s2) == 6 ? 1 : -1];

struct s3 {
     char        f1;
     unsigned       : 0;
     unsigned    f3 : 16;
     char        f4;
};
extern int check[sizeof(struct s3) == 8 ? 1 : -1];
extern int check[offsetof(struct s3, f4) == 6 ? 1 : -1];

struct s4 {
     char        f1;
     unsigned    f2 : 8;
     char        f3;
};
extern int check[sizeof(struct s4) == 4 ? 1 : -1];
extern int check[offsetof(struct s4, f3) == 2 ? 1 : -1];