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