1 // RUN: cp %s %t
2 // RUN: %clang_cc1 -triple=x86_64-pc-linux-gnu -Wformat -Wformat-signedness -fixit %t
3 // RUN: %clang_cc1 -triple=x86_64-pc-linux-gnu -fsyntax-only -Wformat -Wformat-signedness -Werror %t
4 // RUN: %clang_cc1 -triple=x86_64-pc-linux-gnu -E -o - %t | FileCheck %s
5
6 #include <limits.h>
7
8 int printf(const char *restrict format, ...);
9
test_printf_int(int x)10 void test_printf_int(int x)
11 {
12 printf("%u", x);
13 }
14
test_printf_unsigned(unsigned x)15 void test_printf_unsigned(unsigned x)
16 {
17 printf("%d", x);
18 }
19
test_printf_long(long x)20 void test_printf_long(long x)
21 {
22 printf("%lu", x);
23 }
24
test_printf_unsigned_long(unsigned long x)25 void test_printf_unsigned_long(unsigned long x)
26 {
27 printf("%ld", x);
28 }
29
test_printf_long_long(long long x)30 void test_printf_long_long(long long x)
31 {
32 printf("%llu", x);
33 }
34
test_printf_unsigned_long_long(unsigned long long x)35 void test_printf_unsigned_long_long(unsigned long long x)
36 {
37 printf("%lld", x);
38 }
39
40 enum enum_int {
41 minus_1 = -1
42 };
43
test_printf_enum_int(enum enum_int x)44 void test_printf_enum_int(enum enum_int x)
45 {
46 printf("%u", x);
47 }
48
49 enum enum_unsigned {
50 zero = 0
51 };
52
test_printf_enum_unsigned(enum enum_unsigned x)53 void test_printf_enum_unsigned(enum enum_unsigned x)
54 {
55 printf("%d", x);
56 }
57
58 enum enum_long {
59 minus_one = -1,
60 int_val = INT_MAX,
61 unsigned_val = (unsigned)INT_MIN
62 };
63
test_printf_enum_long(enum enum_long x)64 void test_printf_enum_long(enum enum_long x)
65 {
66 printf("%lu", x);
67 }
68
69 enum enum_unsigned_long {
70 uint_max_plus = (unsigned long)UINT_MAX+1,
71 };
72
test_printf_enum_unsigned_long(enum enum_unsigned_long x)73 void test_printf_enum_unsigned_long(enum enum_unsigned_long x)
74 {
75 printf("%ld", x);
76 }
77
78 // Validate the fixes.
79 // CHECK: void test_printf_int(int x)
80 // CHECK: printf("%d", x);
81 // CHECK: void test_printf_unsigned(unsigned x)
82 // CHECK: printf("%u", x);
83 // CHECK: void test_printf_long(long x)
84 // CHECK: printf("%ld", x);
85 // CHECK: void test_printf_unsigned_long(unsigned long x)
86 // CHECK: printf("%lu", x);
87 // CHECK: void test_printf_long_long(long long x)
88 // CHECK: printf("%lld", x);
89 // CHECK: void test_printf_unsigned_long_long(unsigned long long x)
90 // CHECK: printf("%llu", x);
91 // CHECK: void test_printf_enum_int(enum enum_int x)
92 // CHECK: printf("%d", x);
93 // CHECK: void test_printf_enum_unsigned(enum enum_unsigned x)
94 // CHECK: printf("%u", x);
95 // CHECK: void test_printf_enum_long(enum enum_long x)
96 // CHECK: printf("%ld", x);
97 // CHECK: void test_printf_enum_unsigned_long(enum enum_unsigned_long x)
98 // CHECK: printf("%lu", x);
99