gcc/testsuite/gcc.dg/format/dfp-printf-1.c

   1 /* Test for printf formats for Decimal Floating Point types.  */
   2
   3 /* { dg-do compile } */
   4 /* { dg-require-effective-target dfp } */
   5 /* { dg-options "-Wformat" } */
   6 /* { dg-skip-if "No scanf/printf dfp support" { *-*-mingw* } } */
   7
   8 extern int printf (const char *restrict, ...);
   9
  10 void
  11 foo (_Decimal32 x, _Decimal64 y, _Decimal128 z, int i, unsigned int j,
  12      double d, char *p)
  13 {
  14   /* See ISO/IEC DTR 24732 subclause 9.3 (currently Working Draft 5 from
  15       2005-03-06).  */
  16   /* Formatted input/output specifiers.  */
  17
  18   /* Check lack of warnings for valid usage.  */
  19
  20   printf ("%Hf\n", x);
  21   printf ("%HF\n", x);
  22   printf ("%He\n", x);
  23   printf ("%HE\n", x);
  24   printf ("%Hg\n", x);
  25   printf ("%HG\n", x);
  26
  27   printf ("%Df\n", y);
  28   printf ("%DF\n", y);
  29   printf ("%De\n", y);
  30   printf ("%DE\n", y);
  31   printf ("%Dg\n", y);
  32   printf ("%DG\n", y);
  33
  34   printf ("%DDf\n", z);
  35   printf ("%DDF\n", z);
  36   printf ("%DDe\n", z);
  37   printf ("%DDE\n", z);
  38   printf ("%DDg\n", z);
  39   printf ("%DDG\n", z);
  40
  41   printf ("%DG%DDE%HF%DDe%He%HE%DF%DDF%De%DDG%HG%Df%Hg%DE%DDf%Dg%DDg%Hf\n",
  42            y, z, x, z, x, x, y, z, y, z, x, y, x, y, z, y, z, x);
  43
  44   /* Check warnings for type mismatches.  */
  45
  46   printf ("%Hf\n", y);  /* { dg-warning "expects argument" "bad use of %H" } */
  47   printf ("%HF\n", y);  /* { dg-warning "expects argument" "bad use of %H" } */
  48   printf ("%He\n", y);  /* { dg-warning "expects argument" "bad use of %H" } */
  49   printf ("%HE\n", y);  /* { dg-warning "expects argument" "bad use of %H" } */
  50   printf ("%Hg\n", y);  /* { dg-warning "expects argument" "bad use of %H" } */
  51   printf ("%HG\n", y);  /* { dg-warning "expects argument" "bad use of %H" } */
  52   printf ("%Hf\n", z);  /* { dg-warning "expects argument" "bad use of %H" } */
  53   printf ("%HF\n", z);  /* { dg-warning "expects argument" "bad use of %H" } */
  54   printf ("%He\n", z);  /* { dg-warning "expects argument" "bad use of %H" } */
  55   printf ("%HE\n", z);  /* { dg-warning "expects argument" "bad use of %H" } */
  56   printf ("%Hg\n", z);  /* { dg-warning "expects argument" "bad use of %H" } */
  57   printf ("%HG\n", z);  /* { dg-warning "expects argument" "bad use of %H" } */
  58
  59   printf ("%Df\n", x);  /* { dg-warning "expects argument" "bad use of %D" } */
  60   printf ("%DF\n", x);  /* { dg-warning "expects argument" "bad use of %D" } */
  61   printf ("%De\n", x);  /* { dg-warning "expects argument" "bad use of %D" } */
  62   printf ("%DE\n", x);  /* { dg-warning "expects argument" "bad use of %D" } */
  63   printf ("%Dg\n", x);  /* { dg-warning "expects argument" "bad use of %D" } */
  64   printf ("%DG\n", x);  /* { dg-warning "expects argument" "bad use of %D" } */
  65   printf ("%Df\n", z);  /* { dg-warning "expects argument" "bad use of %D" } */
  66   printf ("%DF\n", z);  /* { dg-warning "expects argument" "bad use of %D" } */
  67   printf ("%De\n", z);  /* { dg-warning "expects argument" "bad use of %D" } */
  68   printf ("%DE\n", z);  /* { dg-warning "expects argument" "bad use of %D" } */
  69   printf ("%Dg\n", z);  /* { dg-warning "expects argument" "bad use of %D" } */
  70   printf ("%DG\n", z);  /* { dg-warning "expects argument" "bad use of %D" } */
  71
  72   printf ("%DDf\n", x); /* { dg-warning "expects argument" "bad use of %DD" } */
  73   printf ("%DDF\n", x); /* { dg-warning "expects argument" "bad use of %DD" } */
  74   printf ("%DDe\n", x); /* { dg-warning "expects argument" "bad use of %DD" } */
  75   printf ("%DDE\n", x); /* { dg-warning "expects argument" "bad use of %DD" } */
  76   printf ("%DDg\n", x); /* { dg-warning "expects argument" "bad use of %DD" } */
  77   printf ("%DDG\n", x); /* { dg-warning "expects argument" "bad use of %DD" } */
  78   printf ("%DDf\n", y); /* { dg-warning "expects argument" "bad use of %DD" } */
  79   printf ("%DDF\n", y); /* { dg-warning "expects argument" "bad use of %DD" } */
  80   printf ("%DDe\n", y); /* { dg-warning "expects argument" "bad use of %DD" } */
  81   printf ("%DDE\n", y); /* { dg-warning "expects argument" "bad use of %DD" } */
  82   printf ("%DDg\n", y); /* { dg-warning "expects argument" "bad use of %DD" } */
  83   printf ("%DDG\n", y); /* { dg-warning "expects argument" "bad use of %DD" } */
  84
  85   /* Check for warnings for bad use of H, D, and DD length specifiers.  */
  86
  87   printf ("%Hd\n", i);  /* { dg-warning "length" "bad use of %H" } */
  88   printf ("%Hi\n", i);  /* { dg-warning "length" "bad use of %H" } */
  89   printf ("%Ho\n", j);  /* { dg-warning "length" "bad use of %H" } */
  90   printf ("%Hu\n", j);  /* { dg-warning "length" "bad use of %H" } */
  91   printf ("%Hx\n", j);  /* { dg-warning "length" "bad use of %H" } */
  92   printf ("%HX\n", j);  /* { dg-warning "length" "bad use of %H" } */
  93   printf ("%Ha\n", d);  /* { dg-warning "length" "bad use of %H" } */
  94   printf ("%HA\n", d);  /* { dg-warning "length" "bad use of %H" } */
  95   printf ("%Hc\n", i);  /* { dg-warning "length" "bad use of %H" } */
  96   printf ("%Hs\n", p);  /* { dg-warning "length" "bad use of %H" } */
  97   printf ("%Hp\n", p);  /* { dg-warning "length" "bad use of %H" } */
  98   printf ("%Hn\n", p);  /* { dg-warning "length" "bad use of %H" } */
  99
 100   /* Sanity checks for flags, field width, and precision in formats for
 101      DFP types.  */
 102
 103   printf ("%-Hf\n", x);
 104   printf ("%+HF\n", x);
 105   printf ("% He\n", x);
 106   printf ("%#HE\n", x);
 107   printf ("%0Hg\n", x);
 108   printf ("%#0HG\n", x);
 109
 110   printf ("%0#Df\n", y);
 111   printf ("%0DF\n", y);
 112   printf ("%#De\n", y);
 113   printf ("%-#DE\n", y);
 114   printf ("%-#0Dg\n", y);  /* { dg-warning "flag ignored" "ignore flag" } */
 115   printf ("%0+ DG\n", y);  /* { dg-warning "flag ignored" "ignore flag" } */
 116
 117   printf ("%DDf\n", z);
 118   printf ("%0DDF\n", z);
 119   printf ("%#0DDe\n", z);
 120   printf ("%+DDE\n", z);
 121   printf ("%0-#DDg\n", z); /* { dg-warning "flag ignored" "ignore flag" } */
 122   printf ("% DDG\n", z);
 123 }