1// RUN: cp %s %t
2// RUN: %clang_cc1 -pedantic -Wall -fixit %t
3// RUN: %clang_cc1 -fsyntax-only -pedantic -Wall -Werror %t
4// RUN: %clang_cc1 -E -o - %t | FileCheck %s
5
6/* This is a test of the various code modification hints that are
7   provided as part of warning or extension diagnostics. All of the
8   warnings will be fixed by -fixit, and the resulting file should
9   compile cleanly with -Werror -pedantic. */
10
11int printf(char const *, ...);
12
13typedef __SIZE_TYPE__ size_t;
14typedef __INTMAX_TYPE__ intmax_t;
15typedef __UINTMAX_TYPE__ uintmax_t;
16typedef __PTRDIFF_TYPE__ ptrdiff_t;
17typedef __WCHAR_TYPE__ wchar_t;
18
19void test() {
20  // Basic types
21  printf("%s", (int) 123);
22  printf("abc%0f", "testing testing 123");
23  printf("%u", (long) -12);
24  printf("%p", 123);
25  printf("%c\n", "x");
26  printf("%c\n", 1.23);
27
28  // Larger types
29  printf("%+.2d", (unsigned long long) 123456);
30  printf("%1d", (long double) 1.23);
31
32  // Flag handling
33  printf("%0+s", (unsigned) 31337); // 0 flag should stay
34  printf("%#p", (void *) 0);
35  printf("% +f", 1.23); // + flag should stay
36  printf("%0-f", 1.23); // - flag should stay
37
38  // Positional arguments
39#pragma clang diagnostic push // Don't warn about using positional arguments.
40#pragma clang diagnostic ignored "-Wformat-non-iso"
41  printf("%1$f:%2$.*3$f:%4$.*3$f\n", 1, 2, 3, 4);
42#pragma clang diagnostic pop
43
44  // Precision
45  printf("%10.5d", 1l); // (bug 7394)
46  printf("%.2c", 'a');
47
48  // Ignored flags
49  printf("%0-f", 1.23);
50
51  // Bad length modifiers
52  printf("%hhs", "foo");
53#pragma clang diagnostic push // Don't warn about using positional arguments.
54#pragma clang diagnostic ignored "-Wformat-non-iso"
55  printf("%1$zp", (void *)0);
56#pragma clang diagnostic pop
57
58  // Preserve the original formatting for unsigned integers.
59  unsigned long val = 42;
60  printf("%X", val);
61
62  // size_t, etc.
63  printf("%f", (size_t) 42);
64  printf("%f", (intmax_t) 42);
65  printf("%f", (uintmax_t) 42);
66  printf("%f", (ptrdiff_t) 42);
67
68  // Look beyond the first typedef.
69  typedef size_t my_size_type;
70  typedef intmax_t my_intmax_type;
71  typedef uintmax_t my_uintmax_type;
72  typedef ptrdiff_t my_ptrdiff_type;
73  typedef int my_int_type;
74  printf("%f", (my_size_type) 42);
75  printf("%f", (my_intmax_type) 42);
76  printf("%f", (my_uintmax_type) 42);
77  printf("%f", (my_ptrdiff_type) 42);
78  printf("%f", (my_int_type) 42);
79
80  // string
81  printf("%ld", "foo");
82
83  // Preserve the original choice of conversion specifier.
84  printf("%o", (long) 42);
85  printf("%u", (long) 42);
86  printf("%x", (long) 42);
87  printf("%X", (long) 42);
88  printf("%i", (unsigned long) 42);
89  printf("%d", (unsigned long) 42);
90  printf("%F", (long double) 42);
91  printf("%e", (long double) 42);
92  printf("%E", (long double) 42);
93  printf("%g", (long double) 42);
94  printf("%G", (long double) 42);
95  printf("%a", (long double) 42);
96  printf("%A", (long double) 42);
97}
98
99int scanf(char const *, ...);
100
101void test2(int intSAParm[static 2]) {
102  char str[100];
103  char *vstr = "abc";
104  short shortVar;
105  unsigned short uShortVar;
106  int intVar;
107  int intAVar[2];
108  unsigned uIntVar;
109  float floatVar;
110  double doubleVar;
111  long double longDoubleVar;
112  long longVar;
113  unsigned long uLongVar;
114  long long longLongVar;
115  unsigned long long uLongLongVar;
116  size_t sizeVar;
117  intmax_t intmaxVar;
118  uintmax_t uIntmaxVar;
119  ptrdiff_t ptrdiffVar;
120  enum {A, B, C} enumVar;
121
122  // Some string types.
123  scanf("%lf", str);
124  scanf("%lf", vstr);
125  scanf("%ls", str);
126  scanf("%ls", str);
127
128  // Some integer types.
129  scanf("%f", &shortVar);
130  scanf("%f", &uShortVar);
131  scanf("%p", &intVar);
132  scanf("%f", intAVar);
133  scanf("%f", intSAParm);
134  scanf("%Lf", &uIntVar);
135  scanf("%ld", &floatVar);
136  scanf("%f", &doubleVar);
137  scanf("%d", &longDoubleVar);
138  scanf("%f", &longVar);
139  scanf("%f", &uLongVar);
140  scanf("%f", &longLongVar);
141  scanf("%f", &uLongLongVar);
142  scanf("%d", &enumVar); // FIXME: We ought to fix specifiers for enums.
143
144  // Some named ints.
145  scanf("%f", &sizeVar);
146  scanf("%f", &intmaxVar);
147  scanf("%f", &uIntmaxVar);
148  scanf("%f", &ptrdiffVar);
149
150  // Look beyond the first typedef for named integer types.
151  typedef size_t my_size_type;
152  typedef intmax_t my_intmax_type;
153  typedef uintmax_t my_uintmax_type;
154  typedef ptrdiff_t my_ptrdiff_type;
155  typedef int my_int_type;
156  scanf("%f", (my_size_type*)&sizeVar);
157  scanf("%f", (my_intmax_type*)&intmaxVar);
158  scanf("%f", (my_uintmax_type*)&uIntmaxVar);
159  scanf("%f", (my_ptrdiff_type*)&ptrdiffVar);
160  scanf("%f", (my_int_type*)&intVar);
161
162  // Preserve the original formatting.
163  scanf("%o", &longVar);
164  scanf("%u", &longVar);
165  scanf("%x", &longVar);
166  scanf("%X", &longVar);
167  scanf("%i", &uLongVar);
168  scanf("%d", &uLongVar);
169  scanf("%F", &longDoubleVar);
170  scanf("%e", &longDoubleVar);
171  scanf("%E", &longDoubleVar);
172  scanf("%g", &longDoubleVar);
173  scanf("%G", &longDoubleVar);
174  scanf("%a", &longDoubleVar);
175  scanf("%A", &longDoubleVar);
176}
177
178// Validate the fixes.
179// CHECK: printf("%d", (int) 123);
180// CHECK: printf("abc%s", "testing testing 123");
181// CHECK: printf("%ld", (long) -12);
182// CHECK: printf("%d", 123);
183// CHECK: printf("%s\n", "x");
184// CHECK: printf("%f\n", 1.23);
185// CHECK: printf("%+.2lld", (unsigned long long) 123456);
186// CHECK: printf("%1Lf", (long double) 1.23);
187// CHECK: printf("%0u", (unsigned) 31337);
188// CHECK: printf("%p", (void *) 0);
189// CHECK: printf("%+f", 1.23);
190// CHECK: printf("%-f", 1.23);
191// CHECK: printf("%1$d:%2$.*3$d:%4$.*3$d\n", 1, 2, 3, 4);
192// CHECK: printf("%10.5ld", 1l);
193// CHECK: printf("%c", 'a');
194// CHECK: printf("%-f", 1.23);
195// CHECK: printf("%s", "foo");
196// CHECK: printf("%1$p", (void *)0);
197// CHECK: printf("%lX", val);
198// CHECK: printf("%zu", (size_t) 42);
199// CHECK: printf("%jd", (intmax_t) 42);
200// CHECK: printf("%ju", (uintmax_t) 42);
201// CHECK: printf("%td", (ptrdiff_t) 42);
202// CHECK: printf("%zu", (my_size_type) 42);
203// CHECK: printf("%jd", (my_intmax_type) 42);
204// CHECK: printf("%ju", (my_uintmax_type) 42);
205// CHECK: printf("%td", (my_ptrdiff_type) 42);
206// CHECK: printf("%d", (my_int_type) 42);
207// CHECK: printf("%s", "foo");
208// CHECK: printf("%lo", (long) 42);
209// CHECK: printf("%ld", (long) 42);
210// CHECK: printf("%lx", (long) 42);
211// CHECK: printf("%lX", (long) 42);
212// CHECK: printf("%lu", (unsigned long) 42);
213// CHECK: printf("%lu", (unsigned long) 42);
214// CHECK: printf("%LF", (long double) 42);
215// CHECK: printf("%Le", (long double) 42);
216// CHECK: printf("%LE", (long double) 42);
217// CHECK: printf("%Lg", (long double) 42);
218// CHECK: printf("%LG", (long double) 42);
219// CHECK: printf("%La", (long double) 42);
220// CHECK: printf("%LA", (long double) 42);
221
222// CHECK: scanf("%99s", str);
223// CHECK: scanf("%s", vstr);
224// CHECK: scanf("%99s", str);
225// CHECK: scanf("%99s", str);
226// CHECK: scanf("%hd", &shortVar);
227// CHECK: scanf("%hu", &uShortVar);
228// CHECK: scanf("%d", &intVar);
229// CHECK: scanf("%d", intAVar);
230// CHECK: scanf("%d", intSAParm);
231// CHECK: scanf("%u", &uIntVar);
232// CHECK: scanf("%f", &floatVar);
233// CHECK: scanf("%lf", &doubleVar);
234// CHECK: scanf("%Lf", &longDoubleVar);
235// CHECK: scanf("%ld", &longVar);
236// CHECK: scanf("%lu", &uLongVar);
237// CHECK: scanf("%lld", &longLongVar);
238// CHECK: scanf("%llu", &uLongLongVar);
239// CHECK: scanf("%d", &enumVar);
240// CHECK: scanf("%zu", &sizeVar);
241// CHECK: scanf("%jd", &intmaxVar);
242// CHECK: scanf("%ju", &uIntmaxVar);
243// CHECK: scanf("%td", &ptrdiffVar);
244// CHECK: scanf("%zu", (my_size_type*)&sizeVar);
245// CHECK: scanf("%jd", (my_intmax_type*)&intmaxVar);
246// CHECK: scanf("%ju", (my_uintmax_type*)&uIntmaxVar);
247// CHECK: scanf("%td", (my_ptrdiff_type*)&ptrdiffVar);
248// CHECK: scanf("%d", (my_int_type*)&intVar);
249// CHECK: scanf("%lo", &longVar);
250// CHECK: scanf("%lu", &longVar);
251// CHECK: scanf("%lx", &longVar);
252// CHECK: scanf("%lX", &longVar);
253// CHECK: scanf("%li", &uLongVar);
254// CHECK: scanf("%ld", &uLongVar);
255// CHECK: scanf("%LF", &longDoubleVar);
256// CHECK: scanf("%Le", &longDoubleVar);
257// CHECK: scanf("%LE", &longDoubleVar);
258// CHECK: scanf("%Lg", &longDoubleVar);
259// CHECK: scanf("%LG", &longDoubleVar);
260// CHECK: scanf("%La", &longDoubleVar);
261// CHECK: scanf("%LA", &longDoubleVar);
262