clang/test/Sema/format-strings-no-fixit.c

   1 // RUN: cp %s %t
   2 // RUN: %clang_cc1 -fsyntax-only -fixit %t
   3 // RUN: %clang_cc1 -E -o - %t | FileCheck %s
   4
   5 /* This is a test of the various code modification hints that are
   6    provided as part of warning or extension diagnostics. Only
   7    warnings for format strings within the function call will be
   8    fixed by -fixit.  Other format strings will be left alone. */
   9
  10 int printf(char const *, ...);
  11 int scanf(char const *, ...);
  12
  13 void pr9751(void) {
  14   const char kFormat1[] = "%s";
  15   printf(kFormat1, 5);
  16   printf("%s", 5);
  17
  18   const char kFormat2[] = "%.3p";
  19   void *p;
  20   printf(kFormat2, p);
  21   printf("%.3p", p);
  22
  23   const char kFormat3[] = "%0s";
  24   printf(kFormat3, "a");
  25   printf("%0s", "a");
  26
  27   const char kFormat4[] = "%hhs";
  28   printf(kFormat4, "a");
  29   printf("%hhs", "a");
  30
  31   const char kFormat5[] = "%-0d";
  32   printf(kFormat5, 5);
  33   printf("%-0d", 5);
  34
  35   const char kFormat6[] = "%00d";
  36   int *i;
  37   scanf(kFormat6, i);
  38   scanf("%00d", i);
  39 }
  40
  41 // CHECK:  const char kFormat1[] = "%s";
  42 // CHECK:  printf(kFormat1, 5);
  43 // CHECK:  printf("%d", 5);
  44
  45 // CHECK:  const char kFormat2[] = "%.3p";
  46 // CHECK:  void *p;
  47 // CHECK:  printf(kFormat2, p);
  48 // CHECK:  printf("%p", p);
  49
  50 // CHECK:  const char kFormat3[] = "%0s";
  51 // CHECK:  printf(kFormat3, "a");
  52 // CHECK:  printf("%s", "a");
  53
  54 // CHECK:  const char kFormat4[] = "%hhs";
  55 // CHECK:  printf(kFormat4, "a");
  56 // CHECK:  printf("%s", "a");
  57
  58 // CHECK:  const char kFormat5[] = "%-0d";
  59 // CHECK:  printf(kFormat5, 5);
  60 // CHECK:  printf("%-d", 5);
  61
  62 // CHECK:  const char kFormat6[] = "%00d";
  63 // CHECK:  int *i;
  64 // CHECK:  scanf(kFormat6, i);
  65 // CHECK:  scanf("%d", i);