243 lines
7.4 KiB
C
243 lines
7.4 KiB
C
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// RUN: cp %s %t
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// RUN: %clang_cc1 -pedantic -Wall -fixit %t
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// RUN: %clang_cc1 -fsyntax-only -pedantic -Wall -Werror %t
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// RUN: %clang_cc1 -E -o - %t | FileCheck %s
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/* This is a test of the various code modification hints that are
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provided as part of warning or extension diagnostics. All of the
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warnings will be fixed by -fixit, and the resulting file should
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compile cleanly with -Werror -pedantic. */
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int printf(char const *, ...);
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typedef __SIZE_TYPE__ size_t;
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typedef __INTMAX_TYPE__ intmax_t;
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typedef __UINTMAX_TYPE__ uintmax_t;
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typedef __PTRDIFF_TYPE__ ptrdiff_t;
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void test() {
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// Basic types
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printf("%s", (int) 123);
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printf("abc%0f", "testing testing 123");
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printf("%u", (long) -12);
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printf("%p", 123);
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printf("%c\n", "x");
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printf("%c\n", 1.23);
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// Larger types
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printf("%+.2d", (unsigned long long) 123456);
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printf("%1d", (long double) 1.23);
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// Flag handling
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printf("%0+s", (unsigned) 31337); // 0 flag should stay
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printf("%#p", (void *) 0);
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printf("% +f", 1.23); // + flag should stay
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printf("%0-f", 1.23); // - flag should stay
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// Positional arguments
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#pragma clang diagnostic push // Don't warn about using positional arguments.
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#pragma clang diagnostic ignored "-Wformat-non-iso"
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printf("%1$f:%2$.*3$f:%4$.*3$f\n", 1, 2, 3, 4);
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#pragma clang diagnostic pop
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// Precision
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printf("%10.5d", 1l); // (bug 7394)
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printf("%.2c", 'a');
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// Ignored flags
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printf("%0-f", 1.23);
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// Bad length modifiers
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printf("%hhs", "foo");
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#pragma clang diagnostic push // Don't warn about using positional arguments.
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#pragma clang diagnostic ignored "-Wformat-non-iso"
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printf("%1$zp", (void *)0);
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#pragma clang diagnostic pop
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// Preserve the original formatting for unsigned integers.
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unsigned long val = 42;
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printf("%X", val);
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// size_t, etc.
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printf("%f", (size_t) 42);
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printf("%f", (intmax_t) 42);
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printf("%f", (uintmax_t) 42);
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printf("%f", (ptrdiff_t) 42);
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// Look beyond the first typedef.
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typedef size_t my_size_type;
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typedef intmax_t my_intmax_type;
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typedef uintmax_t my_uintmax_type;
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typedef ptrdiff_t my_ptrdiff_type;
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typedef int my_int_type;
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printf("%f", (my_size_type) 42);
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printf("%f", (my_intmax_type) 42);
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printf("%f", (my_uintmax_type) 42);
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printf("%f", (my_ptrdiff_type) 42);
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printf("%f", (my_int_type) 42);
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// string
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printf("%ld", "foo");
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// Preserve the original choice of conversion specifier.
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printf("%o", (long) 42);
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printf("%u", (long) 42);
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printf("%x", (long) 42);
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printf("%X", (long) 42);
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printf("%i", (unsigned long) 42);
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printf("%d", (unsigned long) 42);
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printf("%F", (long double) 42);
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printf("%e", (long double) 42);
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printf("%E", (long double) 42);
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printf("%g", (long double) 42);
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printf("%G", (long double) 42);
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printf("%a", (long double) 42);
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printf("%A", (long double) 42);
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}
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int scanf(char const *, ...);
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void test2() {
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char str[100];
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short shortVar;
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unsigned short uShortVar;
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int intVar;
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unsigned uIntVar;
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float floatVar;
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double doubleVar;
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long double longDoubleVar;
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long longVar;
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unsigned long uLongVar;
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long long longLongVar;
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unsigned long long uLongLongVar;
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size_t sizeVar;
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intmax_t intmaxVar;
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uintmax_t uIntmaxVar;
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ptrdiff_t ptrdiffVar;
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scanf("%lf", str);
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scanf("%f", &shortVar);
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scanf("%f", &uShortVar);
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scanf("%p", &intVar);
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scanf("%Lf", &uIntVar);
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scanf("%ld", &floatVar);
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scanf("%f", &doubleVar);
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scanf("%d", &longDoubleVar);
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scanf("%f", &longVar);
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scanf("%f", &uLongVar);
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scanf("%f", &longLongVar);
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scanf("%f", &uLongLongVar);
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// Some named ints.
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scanf("%f", &sizeVar);
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scanf("%f", &intmaxVar);
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scanf("%f", &uIntmaxVar);
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scanf("%f", &ptrdiffVar);
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// Look beyond the first typedef for named integer types.
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typedef size_t my_size_type;
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typedef intmax_t my_intmax_type;
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typedef uintmax_t my_uintmax_type;
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typedef ptrdiff_t my_ptrdiff_type;
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typedef int my_int_type;
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scanf("%f", (my_size_type*)&sizeVar);
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scanf("%f", (my_intmax_type*)&intmaxVar);
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scanf("%f", (my_uintmax_type*)&uIntmaxVar);
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scanf("%f", (my_ptrdiff_type*)&ptrdiffVar);
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scanf("%f", (my_int_type*)&intVar);
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// Preserve the original formatting.
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scanf("%o", &longVar);
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scanf("%u", &longVar);
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scanf("%x", &longVar);
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scanf("%X", &longVar);
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scanf("%i", &uLongVar);
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scanf("%d", &uLongVar);
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scanf("%F", &longDoubleVar);
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scanf("%e", &longDoubleVar);
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scanf("%E", &longDoubleVar);
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scanf("%g", &longDoubleVar);
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scanf("%G", &longDoubleVar);
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scanf("%a", &longDoubleVar);
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scanf("%A", &longDoubleVar);
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}
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// Validate the fixes.
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// CHECK: printf("%d", (int) 123);
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// CHECK: printf("abc%s", "testing testing 123");
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// CHECK: printf("%ld", (long) -12);
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// CHECK: printf("%d", 123);
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// CHECK: printf("%s\n", "x");
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// CHECK: printf("%f\n", 1.23);
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// CHECK: printf("%+.2lld", (unsigned long long) 123456);
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// CHECK: printf("%1Lf", (long double) 1.23);
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// CHECK: printf("%0u", (unsigned) 31337);
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// CHECK: printf("%p", (void *) 0);
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// CHECK: printf("%+f", 1.23);
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// CHECK: printf("%-f", 1.23);
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// CHECK: printf("%1$d:%2$.*3$d:%4$.*3$d\n", 1, 2, 3, 4);
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// CHECK: printf("%10.5ld", 1l);
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// CHECK: printf("%c", 'a');
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// CHECK: printf("%-f", 1.23);
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// CHECK: printf("%s", "foo");
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// CHECK: printf("%1$p", (void *)0);
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// CHECK: printf("%lX", val);
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// CHECK: printf("%zu", (size_t) 42);
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// CHECK: printf("%jd", (intmax_t) 42);
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// CHECK: printf("%ju", (uintmax_t) 42);
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// CHECK: printf("%td", (ptrdiff_t) 42);
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// CHECK: printf("%zu", (my_size_type) 42);
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// CHECK: printf("%jd", (my_intmax_type) 42);
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// CHECK: printf("%ju", (my_uintmax_type) 42);
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// CHECK: printf("%td", (my_ptrdiff_type) 42);
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// CHECK: printf("%d", (my_int_type) 42);
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// CHECK: printf("%s", "foo");
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// CHECK: printf("%lo", (long) 42);
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// CHECK: printf("%ld", (long) 42);
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// CHECK: printf("%lx", (long) 42);
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// CHECK: printf("%lX", (long) 42);
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// CHECK: printf("%lu", (unsigned long) 42);
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// CHECK: printf("%lu", (unsigned long) 42);
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// CHECK: printf("%LF", (long double) 42);
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// CHECK: printf("%Le", (long double) 42);
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// CHECK: printf("%LE", (long double) 42);
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// CHECK: printf("%Lg", (long double) 42);
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// CHECK: printf("%LG", (long double) 42);
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// CHECK: printf("%La", (long double) 42);
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// CHECK: printf("%LA", (long double) 42);
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// CHECK: scanf("%s", str);
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// CHECK: scanf("%hd", &shortVar);
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// CHECK: scanf("%hu", &uShortVar);
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// CHECK: scanf("%d", &intVar);
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// CHECK: scanf("%u", &uIntVar);
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// CHECK: scanf("%f", &floatVar);
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// CHECK: scanf("%lf", &doubleVar);
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// CHECK: scanf("%Lf", &longDoubleVar);
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// CHECK: scanf("%ld", &longVar);
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// CHECK: scanf("%lu", &uLongVar);
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// CHECK: scanf("%lld", &longLongVar);
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// CHECK: scanf("%llu", &uLongLongVar);
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// CHECK: scanf("%zu", &sizeVar);
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// CHECK: scanf("%jd", &intmaxVar);
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// CHECK: scanf("%ju", &uIntmaxVar);
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// CHECK: scanf("%td", &ptrdiffVar);
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// CHECK: scanf("%zu", (my_size_type*)&sizeVar);
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// CHECK: scanf("%jd", (my_intmax_type*)&intmaxVar);
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// CHECK: scanf("%ju", (my_uintmax_type*)&uIntmaxVar);
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// CHECK: scanf("%td", (my_ptrdiff_type*)&ptrdiffVar);
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// CHECK: scanf("%d", (my_int_type*)&intVar);
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// CHECK: scanf("%lo", &longVar);
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// CHECK: scanf("%lu", &longVar);
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// CHECK: scanf("%lx", &longVar);
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// CHECK: scanf("%lX", &longVar);
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// CHECK: scanf("%li", &uLongVar);
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// CHECK: scanf("%ld", &uLongVar);
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// CHECK: scanf("%LF", &longDoubleVar);
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// CHECK: scanf("%Le", &longDoubleVar);
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// CHECK: scanf("%LE", &longDoubleVar);
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// CHECK: scanf("%Lg", &longDoubleVar);
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// CHECK: scanf("%LG", &longDoubleVar);
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// CHECK: scanf("%La", &longDoubleVar);
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// CHECK: scanf("%LA", &longDoubleVar);
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