forked from OSchip/llvm-project
71 lines
2.0 KiB
C
71 lines
2.0 KiB
C
// 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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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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printf("%1$f:%2$.*3$f:%4$.*3$f\n", 1, 2, 3, 4);
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// Precision
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printf("%10.5d", 1l); // (bug 7394)
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printf("%.2c", 'a');
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// Ignored flags
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printf("%0-f", 1.23);
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// Bad length modifiers
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printf("%hhs", "foo");
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printf("%1$zp", (void *)0);
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// Perserve 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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}
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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("%.2llu", (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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