1 void f00(void *restrict dst);
2 void f01(void *restrict *dst);
3 void f02(void *restrict *dst);
4 void f03(void *restrict *dst);
5
6 void *restrict rp;
7 void * up;
8
f00(void * dst)9 void f00(void *dst) { } /* check-should-pass */
f01(typeof (& rp)dst)10 void f01(typeof(&rp) dst) { } /* check-should-pass */
f02(void ** dst)11 void f02(void **dst) { } /* check-should-fail */
f03(typeof (& up)dst)12 void f03(typeof(&up) dst) { } /* check-should-fail */
13
foo(void)14 void foo(void)
15 {
16 rp = up; /* check-should-pass */
17 up = rp; /* check-should-pass */
18 }
19
ref(void)20 void ref(void)
21 {
22 void *const qp;
23 void * up;
24 extern void *const *pqp;
25 extern void **pup;
26
27 pqp = &qp; /* check-should-pass */
28 pqp = &up; /* check-should-pass */
29 pqp = pup;
30
31 pup = &up; /* check-should-pass */
32
33 pup = &qp; /* check-should-fail */
34 pup = pqp; /* check-should-fail */
35 }
36
bar(void)37 void bar(void)
38 {
39 extern void *restrict *prp;
40 extern void **pup;
41
42 prp = &rp; /* check-should-pass */
43 prp = &up; /* check-should-pass */
44 prp = pup;
45
46 pup = &up; /* check-should-pass */
47
48 pup = &rp; /* check-should-fail */
49 pup = prp; /* check-should-fail */
50 }
51
baz(void)52 void baz(void)
53 {
54 extern typeof(&rp) prp;
55 extern typeof(&up) pup;
56
57 prp = &rp; /* check-should-pass */
58 prp = &up; /* check-should-pass */
59 prp = pup;
60
61 pup = &up; /* check-should-pass */
62
63 pup = &rp; /* check-should-fail */
64 pup = prp; /* check-should-fail */
65 }
66
67 /*
68 * check-name: restrict qualifier
69 * check-command: sparse -Wno-decl $file;
70 *
71 * check-error-start
72 restrict.c:11:6: error: symbol 'f02' redeclared with different type (originally declared at restrict.c:3) - incompatible argument 1 (different modifiers)
73 restrict.c:12:6: error: symbol 'f03' redeclared with different type (originally declared at restrict.c:4) - incompatible argument 1 (different modifiers)
74 restrict.c:33:13: warning: incorrect type in assignment (different modifiers)
75 restrict.c:33:13: expected void **extern [assigned] pup
76 restrict.c:33:13: got void *const *
77 restrict.c:34:13: warning: incorrect type in assignment (different modifiers)
78 restrict.c:34:13: expected void **extern [assigned] pup
79 restrict.c:34:13: got void *const *extern [assigned] pqp
80 restrict.c:48:13: warning: incorrect type in assignment (different modifiers)
81 restrict.c:48:13: expected void **extern [assigned] pup
82 restrict.c:48:13: got void *restrict *
83 restrict.c:49:13: warning: incorrect type in assignment (different modifiers)
84 restrict.c:49:13: expected void **extern [assigned] pup
85 restrict.c:49:13: got void *restrict *extern [assigned] prp
86 restrict.c:63:13: warning: incorrect type in assignment (different modifiers)
87 restrict.c:63:13: expected void **extern [assigned] pup
88 restrict.c:63:13: got void *restrict *
89 restrict.c:64:13: warning: incorrect type in assignment (different modifiers)
90 restrict.c:64:13: expected void **extern [assigned] pup
91 restrict.c:64:13: got void *restrict *extern [assigned] prp
92 * check-error-end
93 */
94