clang/test/Sema/format-strings-signedness-fixit.c

   1 // RUN: cp %s %t
   2 // RUN: %clang_cc1 -triple=x86_64-pc-linux-gnu -Wformat -Wformat-signedness -fixit %t
   3 // RUN: %clang_cc1 -triple=x86_64-pc-linux-gnu -fsyntax-only -Wformat -Wformat-signedness -Werror %t
   4 // RUN: %clang_cc1 -triple=x86_64-pc-linux-gnu -E -o - %t | FileCheck %s
   5
   6 #include <limits.h>
   7
   8 int printf(const char *restrict format, ...);
   9
  10 void test_printf_int(int x)
  11 {
  12     printf("%u", x);
  13 }
  14
  15 void test_printf_unsigned(unsigned x)
  16 {
  17     printf("%d", x);
  18 }
  19
  20 void test_printf_long(long x)
  21 {
  22     printf("%lu", x);
  23 }
  24
  25 void test_printf_unsigned_long(unsigned long x)
  26 {
  27     printf("%ld", x);
  28 }
  29
  30 void test_printf_long_long(long long x)
  31 {
  32     printf("%llu", x);
  33 }
  34
  35 void test_printf_unsigned_long_long(unsigned long long x)
  36 {
  37     printf("%lld", x);
  38 }
  39
  40 enum enum_int {
  41     minus_1 = -1
  42 };
  43
  44 void test_printf_enum_int(enum enum_int x)
  45 {
  46     printf("%u", x);
  47 }
  48
  49 enum enum_unsigned {
  50     zero = 0
  51 };
  52
  53 void test_printf_enum_unsigned(enum enum_unsigned x)
  54 {
  55     printf("%d", x);
  56 }
  57
  58 enum enum_long {
  59     minus_one = -1,
  60     int_val = INT_MAX,
  61     unsigned_val = (unsigned)INT_MIN
  62 };
  63
  64 void test_printf_enum_long(enum enum_long x)
  65 {
  66     printf("%lu", x);
  67 }
  68
  69 enum enum_unsigned_long {
  70     uint_max_plus = (unsigned long)UINT_MAX+1,
  71 };
  72
  73 void test_printf_enum_unsigned_long(enum enum_unsigned_long x)
  74 {
  75     printf("%ld", x);
  76 }
  77
  78 // Validate the fixes.
  79 // CHECK: void test_printf_int(int x)
  80 // CHECK: printf("%d", x);
  81 // CHECK: void test_printf_unsigned(unsigned x)
  82 // CHECK: printf("%u", x);
  83 // CHECK: void test_printf_long(long x)
  84 // CHECK: printf("%ld", x);
  85 // CHECK: void test_printf_unsigned_long(unsigned long x)
  86 // CHECK: printf("%lu", x);
  87 // CHECK: void test_printf_long_long(long long x)
  88 // CHECK: printf("%lld", x);
  89 // CHECK: void test_printf_unsigned_long_long(unsigned long long x)
  90 // CHECK: printf("%llu", x);
  91 // CHECK: void test_printf_enum_int(enum enum_int x)
  92 // CHECK: printf("%d", x);
  93 // CHECK: void test_printf_enum_unsigned(enum enum_unsigned x)
  94 // CHECK: printf("%u", x);
  95 // CHECK: void test_printf_enum_long(enum enum_long x)
  96 // CHECK: printf("%ld", x);
  97 // CHECK: void test_printf_enum_unsigned_long(enum enum_unsigned_long x)
  98 // CHECK: printf("%lu", x);