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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
// RUN: %clang_cc1 -triple i386-apple-darwin9 -fsyntax-only -fblocks -Wformat-non-iso -verify %s
// RUN: %clang_cc1 -triple x86_64-apple-darwin9 -fsyntax-only -fblocks -Wformat-non-iso -verify %s
// RUN: %clang_cc1 -triple i386-apple-darwin9 -fdiagnostics-parseable-fixits -fblocks -Wformat-non-iso %s 2>&1 | FileCheck %s
// RUN: %clang_cc1 -triple x86_64-apple-darwin9 -fdiagnostics-parseable-fixits -fblocks -Wformat-non-iso %s 2>&1 | FileCheck %s
// RUN: %clang_cc1 -triple i386-apple-darwin9 -fdiagnostics-parseable-fixits -fblocks -Wformat-non-iso %s 2>&1 | FileCheck -check-prefix=CHECK-32 %s
// RUN: %clang_cc1 -triple x86_64-apple-darwin9 -fdiagnostics-parseable-fixits -fblocks -Wformat-non-iso %s 2>&1 | FileCheck -check-prefix=CHECK-64 %s
int printf(const char * restrict, ...);
#if __LP64__
typedef long NSInteger;
typedef unsigned long NSUInteger;
typedef int SInt32;
typedef unsigned int UInt32;
#else
typedef int NSInteger;
typedef unsigned int NSUInteger;
typedef long SInt32;
typedef unsigned long UInt32;
#endif
typedef SInt32 OSStatus;
NSInteger getNSInteger();
NSUInteger getNSUInteger();
SInt32 getSInt32();
UInt32 getUInt32();
void testCorrectionInAllCases() {
printf("%s", getNSInteger()); // expected-warning{{values of type 'NSInteger' should not be used as format arguments; add an explicit cast to 'long' instead}}
printf("%s", getNSUInteger()); // expected-warning{{values of type 'NSUInteger' should not be used as format arguments; add an explicit cast to 'unsigned long' instead}}
printf("%s", getSInt32()); // expected-warning{{values of type 'SInt32' should not be used as format arguments; add an explicit cast to 'int' instead}}
printf("%s", getUInt32()); // expected-warning{{values of type 'UInt32' should not be used as format arguments; add an explicit cast to 'unsigned int' instead}}
// CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:11-[[@LINE-5]]:13}:"%ld"
// CHECK: fix-it:"{{.*}}":{[[@LINE-6]]:16-[[@LINE-6]]:16}:"(long)"
// CHECK: fix-it:"{{.*}}":{[[@LINE-7]]:11-[[@LINE-7]]:13}:"%lu"
// CHECK: fix-it:"{{.*}}":{[[@LINE-8]]:16-[[@LINE-8]]:16}:"(unsigned long)"
// CHECK: fix-it:"{{.*}}":{[[@LINE-9]]:11-[[@LINE-9]]:13}:"%d"
// CHECK: fix-it:"{{.*}}":{[[@LINE-10]]:16-[[@LINE-10]]:16}:"(int)"
// CHECK: fix-it:"{{.*}}":{[[@LINE-11]]:11-[[@LINE-11]]:13}:"%u"
// CHECK: fix-it:"{{.*}}":{[[@LINE-12]]:16-[[@LINE-12]]:16}:"(unsigned int)"
}
@interface Foo {
@public
NSInteger _value;
}
- (NSInteger)getInteger;
@property NSInteger value;
@end
struct Bar {
NSInteger value;
};
void testParens(Foo *obj, struct Bar *record) {
NSInteger arr[4] = {0};
NSInteger i = 0;
// These cases match the relevant cases in CheckPrintfHandler::checkFormatExpr.
printf("%s", arr[0]); // expected-warning{{values of type 'NSInteger' should not be used as format arguments; add an explicit cast to 'long' instead}}
printf("%s", getNSInteger()); // expected-warning{{values of type 'NSInteger' should not be used as format arguments; add an explicit cast to 'long' instead}}
printf("%s", i); // expected-warning{{values of type 'NSInteger' should not be used as format arguments; add an explicit cast to 'long' instead}}
printf("%s", obj->_value); // expected-warning{{values of type 'NSInteger' should not be used as format arguments; add an explicit cast to 'long' instead}}
printf("%s", [obj getInteger]); // expected-warning{{values of type 'NSInteger' should not be used as format arguments; add an explicit cast to 'long' instead}}
printf("%s", obj.value); // expected-warning{{values of type 'NSInteger' should not be used as format arguments; add an explicit cast to 'long' instead}}
printf("%s", record->value); // expected-warning{{values of type 'NSInteger' should not be used as format arguments; add an explicit cast to 'long' instead}}
printf("%s", (i ? i : i)); // expected-warning{{values of type 'NSInteger' should not be used as format arguments; add an explicit cast to 'long' instead}}
printf("%s", *arr); // expected-warning{{values of type 'NSInteger' should not be used as format arguments; add an explicit cast to 'long' instead}}
// CHECK-NOT: fix-it:{{.*}}:")"
printf("%s", i ? i : i); // expected-warning{{values of type 'NSInteger' should not be used as format arguments; add an explicit cast to 'long' instead}}
// CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:11-[[@LINE-2]]:13}:"%ld"
// CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:16-[[@LINE-3]]:16}:"(long)("
// CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:25-[[@LINE-4]]:25}:")"
}
#if __LP64__
void testWarn() {
printf("%d", getNSInteger()); // expected-warning{{values of type 'NSInteger' should not be used as format arguments; add an explicit cast to 'long' instead}}
printf("%u", getNSUInteger()); // expected-warning{{values of type 'NSUInteger' should not be used as format arguments; add an explicit cast to 'unsigned long' instead}}
printf("%ld", getSInt32()); // expected-warning{{values of type 'SInt32' should not be used as format arguments; add an explicit cast to 'int' instead}}
printf("%lu", getUInt32()); // expected-warning{{values of type 'UInt32' should not be used as format arguments; add an explicit cast to 'unsigned int' instead}}
// CHECK-64: fix-it:"{{.*}}":{[[@LINE-5]]:11-[[@LINE-5]]:13}:"%ld"
// CHECK-64: fix-it:"{{.*}}":{[[@LINE-6]]:16-[[@LINE-6]]:16}:"(long)"
// CHECK-64: fix-it:"{{.*}}":{[[@LINE-7]]:11-[[@LINE-7]]:13}:"%lu"
// CHECK-64: fix-it:"{{.*}}":{[[@LINE-8]]:16-[[@LINE-8]]:16}:"(unsigned long)"
// CHECK-64: fix-it:"{{.*}}":{[[@LINE-9]]:11-[[@LINE-9]]:14}:"%d"
// CHECK-64: fix-it:"{{.*}}":{[[@LINE-10]]:17-[[@LINE-10]]:17}:"(int)"
// CHECK-64: fix-it:"{{.*}}":{[[@LINE-11]]:11-[[@LINE-11]]:14}:"%u"
// CHECK-64: fix-it:"{{.*}}":{[[@LINE-12]]:17-[[@LINE-12]]:17}:"(unsigned int)"
}
void testPreserveHex() {
printf("%x", getNSInteger()); // expected-warning{{values of type 'NSInteger' should not be used as format arguments; add an explicit cast to 'long' instead}}
printf("%x", getNSUInteger()); // expected-warning{{values of type 'NSUInteger' should not be used as format arguments; add an explicit cast to 'unsigned long' instead}}
// CHECK-64: fix-it:"{{.*}}":{[[@LINE-3]]:11-[[@LINE-3]]:13}:"%lx"
// CHECK-64: fix-it:"{{.*}}":{[[@LINE-4]]:16-[[@LINE-4]]:16}:"(long)"
// CHECK-64: fix-it:"{{.*}}":{[[@LINE-5]]:11-[[@LINE-5]]:13}:"%lx"
// CHECK-64: fix-it:"{{.*}}":{[[@LINE-6]]:16-[[@LINE-6]]:16}:"(unsigned long)"
}
void testSignedness(NSInteger i, NSUInteger u) {
printf("%d", u); // expected-warning{{values of type 'NSUInteger' should not be used as format arguments; add an explicit cast to 'unsigned long' instead}}
printf("%i", u); // expected-warning{{values of type 'NSUInteger' should not be used as format arguments; add an explicit cast to 'unsigned long' instead}}
printf("%u", i); // expected-warning{{values of type 'NSInteger' should not be used as format arguments; add an explicit cast to 'long' instead}}
// CHECK-64: fix-it:"{{.*}}":{[[@LINE-4]]:11-[[@LINE-4]]:13}:"%lu"
// CHECK-64: fix-it:"{{.*}}":{[[@LINE-4]]:11-[[@LINE-4]]:13}:"%lu"
// CHECK-64: fix-it:"{{.*}}":{[[@LINE-4]]:11-[[@LINE-4]]:13}:"%ld"
}
void testNoWarn() {
printf("%ld", getNSInteger()); // no-warning
printf("%lu", getNSUInteger()); // no-warning
printf("%d", getSInt32()); // no-warning
printf("%u", getUInt32()); // no-warning
}
#else
void testWarn() {
printf("%ld", getNSInteger()); // expected-warning{{values of type 'NSInteger' should not be used as format arguments; add an explicit cast to 'long' instead}}
printf("%lu", getNSUInteger()); // expected-warning{{values of type 'NSUInteger' should not be used as format arguments; add an explicit cast to 'unsigned long' instead}}
printf("%d", getSInt32()); // expected-warning{{values of type 'SInt32' should not be used as format arguments; add an explicit cast to 'int' instead}}
printf("%u", getUInt32()); // expected-warning{{values of type 'UInt32' should not be used as format arguments; add an explicit cast to 'unsigned int' instead}}
// CHECK-32: fix-it:"{{.*}}":{[[@LINE-5]]:17-[[@LINE-5]]:17}:"(long)"
// CHECK-32: fix-it:"{{.*}}":{[[@LINE-5]]:17-[[@LINE-5]]:17}:"(unsigned long)"
// CHECK-32: fix-it:"{{.*}}":{[[@LINE-5]]:16-[[@LINE-5]]:16}:"(int)"
// CHECK-32: fix-it:"{{.*}}":{[[@LINE-5]]:16-[[@LINE-5]]:16}:"(unsigned int)"
}
void testPreserveHex() {
printf("%lx", getNSInteger()); // expected-warning{{values of type 'NSInteger' should not be used as format arguments; add an explicit cast to 'long' instead}}
printf("%lx", getNSUInteger()); // expected-warning{{values of type 'NSUInteger' should not be used as format arguments; add an explicit cast to 'unsigned long' instead}}
// CHECK-32: fix-it:"{{.*}}":{[[@LINE-3]]:17-[[@LINE-3]]:17}:"(long)"
// CHECK-32: fix-it:"{{.*}}":{[[@LINE-3]]:17-[[@LINE-3]]:17}:"(unsigned long)"
}
void testNoWarn() {
printf("%d", getNSInteger()); // no-warning
printf("%u", getNSUInteger()); // no-warning
printf("%ld", getSInt32()); // no-warning
printf("%lu", getUInt32()); // no-warning
}
void testSignedness(NSInteger i, NSUInteger u) {
// It is valid to use a specifier with the opposite signedness as long as
// the type is correct.
printf("%d", u); // no-warning
printf("%i", u); // no-warning
printf("%u", i); // no-warning
}
#endif
void testCasts() {
printf("%s", (NSInteger)0); // expected-warning{{values of type 'NSInteger' should not be used as format arguments; add an explicit cast to 'long' instead}}
printf("%s", (NSUInteger)0); // expected-warning{{values of type 'NSUInteger' should not be used as format arguments; add an explicit cast to 'unsigned long' instead}}
printf("%s", (SInt32)0); // expected-warning{{values of type 'SInt32' should not be used as format arguments; add an explicit cast to 'int' instead}}
printf("%s", (UInt32)0); // expected-warning{{values of type 'UInt32' should not be used as format arguments; add an explicit cast to 'unsigned int' instead}}
// CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:11-[[@LINE-5]]:13}:"%ld"
// CHECK: fix-it:"{{.*}}":{[[@LINE-6]]:16-[[@LINE-6]]:27}:"(long)"
// CHECK: fix-it:"{{.*}}":{[[@LINE-7]]:11-[[@LINE-7]]:13}:"%lu"
// CHECK: fix-it:"{{.*}}":{[[@LINE-8]]:16-[[@LINE-8]]:28}:"(unsigned long)"
// CHECK: fix-it:"{{.*}}":{[[@LINE-9]]:11-[[@LINE-9]]:13}:"%d"
// CHECK: fix-it:"{{.*}}":{[[@LINE-10]]:16-[[@LINE-10]]:24}:"(int)"
// CHECK: fix-it:"{{.*}}":{[[@LINE-11]]:11-[[@LINE-11]]:13}:"%u"
// CHECK: fix-it:"{{.*}}":{[[@LINE-12]]:16-[[@LINE-12]]:24}:"(unsigned int)"
}
void testCapitals() {
printf("%D", 1); // expected-warning{{conversion specifier is not supported by ISO C}} expected-note {{did you mean to use 'd'?}}
printf("%U", 1); // expected-warning{{conversion specifier is not supported by ISO C}} expected-note {{did you mean to use 'u'?}}
printf("%O", 1); // expected-warning{{conversion specifier is not supported by ISO C}} expected-note {{did you mean to use 'o'?}}
// CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:12-[[@LINE-4]]:13}:"d"
// CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:12-[[@LINE-4]]:13}:"u"
// CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:12-[[@LINE-4]]:13}:"o"
printf("%lD", 1); // expected-warning{{conversion specifier is not supported by ISO C}} expected-note {{did you mean to use 'd'?}} expected-warning{{format specifies type 'long' but the argument has type 'int'}}
// FIXME: offering two somewhat-conflicting fixits is less than ideal.
// CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:13-[[@LINE-3]]:14}:"d"
// CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:11-[[@LINE-4]]:14}:"%D"
}
void testLayeredTypedefs(OSStatus i) {
printf("%s", i); // expected-warning {{values of type 'OSStatus' should not be used as format arguments}}
// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:13}:"%d"
}
|
