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
   7 extern int printf (const char *restrict, ...);
   8
   9 void
  10 foo (_Decimal32 x, _Decimal64 y, _Decimal128 z, int i, unsigned int j,
  11      double d, char *p)
  12 {
  13   /* See ISO/IEC DTR 24732 subclause 9.3 (currently Working Draft 5 from
  14       2005-03-06).  */
  15   /* Formatted input/output specifiers.  */
  16
  17   /* Check lack of warnings for valid usage.  */
  18
  19   printf ("%Hf\n", x);
  20   printf ("%HF\n", x);
  21   printf ("%He\n", x);
  22   printf ("%HE\n", x);
  23   printf ("%Hg\n", x);
  24   printf ("%HG\n", x);
  25
  26   printf ("%Df\n", y);
  27   printf ("%DF\n", y);
  28   printf ("%De\n", y);
  29   printf ("%DE\n", y);
  30   printf ("%Dg\n", y);
  31   printf ("%DG\n", y);
  32
  33   printf ("%DDf\n", z);
  34   printf ("%DDF\n", z);
  35   printf ("%DDe\n", z);
  36   printf ("%DDE\n", z);
  37   printf ("%DDg\n", z);
  38   printf ("%DDG\n", z);
  39
  40   printf ("%DG%DDE%HF%DDe%He%HE%DF%DDF%De%DDG%HG%Df%Hg%DE%DDf%Dg%DDg%Hf\n",
  41            y, z, x, z, x, x, y, z, y, z, x, y, x, y, z, y, z, x);
  42
  43   /* Check warnings for type mismatches.  */
  44
  45   printf ("%Hf\n", y);  /* { dg-warning "expects type" "bad use of %H" } */
  46   printf ("%HF\n", y);  /* { dg-warning "expects type" "bad use of %H" } */
  47   printf ("%He\n", y);  /* { dg-warning "expects type" "bad use of %H" } */
  48   printf ("%HE\n", y);  /* { dg-warning "expects type" "bad use of %H" } */
  49   printf ("%Hg\n", y);  /* { dg-warning "expects type" "bad use of %H" } */
  50   printf ("%HG\n", y);  /* { dg-warning "expects type" "bad use of %H" } */
  51   printf ("%Hf\n", z);  /* { dg-warning "expects type" "bad use of %H" } */
  52   printf ("%HF\n", z);  /* { dg-warning "expects type" "bad use of %H" } */
  53   printf ("%He\n", z);  /* { dg-warning "expects type" "bad use of %H" } */
  54   printf ("%HE\n", z);  /* { dg-warning "expects type" "bad use of %H" } */
  55   printf ("%Hg\n", z);  /* { dg-warning "expects type" "bad use of %H" } */
  56   printf ("%HG\n", z);  /* { dg-warning "expects type" "bad use of %H" } */
  57
  58   printf ("%Df\n", x);  /* { dg-warning "expects type" "bad use of %D" } */
  59   printf ("%DF\n", x);  /* { dg-warning "expects type" "bad use of %D" } */
  60   printf ("%De\n", x);  /* { dg-warning "expects type" "bad use of %D" } */
  61   printf ("%DE\n", x);  /* { dg-warning "expects type" "bad use of %D" } */
  62   printf ("%Dg\n", x);  /* { dg-warning "expects type" "bad use of %D" } */
  63   printf ("%DG\n", x);  /* { dg-warning "expects type" "bad use of %D" } */
  64   printf ("%Df\n", z);  /* { dg-warning "expects type" "bad use of %D" } */
  65   printf ("%DF\n", z);  /* { dg-warning "expects type" "bad use of %D" } */
  66   printf ("%De\n", z);  /* { dg-warning "expects type" "bad use of %D" } */
  67   printf ("%DE\n", z);  /* { dg-warning "expects type" "bad use of %D" } */
  68   printf ("%Dg\n", z);  /* { dg-warning "expects type" "bad use of %D" } */
  69   printf ("%DG\n", z);  /* { dg-warning "expects type" "bad use of %D" } */
  70
  71   printf ("%DDf\n", x); /* { dg-warning "expects type" "bad use of %DD" } */
  72   printf ("%DDF\n", x); /* { dg-warning "expects type" "bad use of %DD" } */
  73   printf ("%DDe\n", x); /* { dg-warning "expects type" "bad use of %DD" } */
  74   printf ("%DDE\n", x); /* { dg-warning "expects type" "bad use of %DD" } */
  75   printf ("%DDg\n", x); /* { dg-warning "expects type" "bad use of %DD" } */
  76   printf ("%DDG\n", x); /* { dg-warning "expects type" "bad use of %DD" } */
  77   printf ("%DDf\n", y); /* { dg-warning "expects type" "bad use of %DD" } */
  78   printf ("%DDF\n", y); /* { dg-warning "expects type" "bad use of %DD" } */
  79   printf ("%DDe\n", y); /* { dg-warning "expects type" "bad use of %DD" } */
  80   printf ("%DDE\n", y); /* { dg-warning "expects type" "bad use of %DD" } */
  81   printf ("%DDg\n", y); /* { dg-warning "expects type" "bad use of %DD" } */
  82   printf ("%DDG\n", y); /* { dg-warning "expects type" "bad use of %DD" } */
  83
  84   /* Check for warnings for bad use of H, D, and DD length specifiers.  */
  85
  86   printf ("%Hd\n", i);  /* { dg-warning "length" "bad use of %H" } */
  87   printf ("%Hi\n", i);  /* { dg-warning "length" "bad use of %H" } */
  88   printf ("%Ho\n", j);  /* { dg-warning "length" "bad use of %H" } */
  89   printf ("%Hu\n", j);  /* { dg-warning "length" "bad use of %H" } */
  90   printf ("%Hx\n", j);  /* { dg-warning "length" "bad use of %H" } */
  91   printf ("%HX\n", j);  /* { dg-warning "length" "bad use of %H" } */
  92   printf ("%Ha\n", d);  /* { dg-warning "length" "bad use of %H" } */
  93   printf ("%HA\n", d);  /* { dg-warning "length" "bad use of %H" } */
  94   printf ("%Hc\n", i);  /* { dg-warning "length" "bad use of %H" } */
  95   printf ("%Hs\n", p);  /* { dg-warning "length" "bad use of %H" } */
  96   printf ("%Hp\n", p);  /* { dg-warning "length" "bad use of %H" } */
  97   printf ("%Hn\n", p);  /* { dg-warning "length" "bad use of %H" } */
  98
  99   /* Sanity checks for flags, field width, and precision in formats for
 100      DFP types.  */
 101
 102   printf ("%-Hf\n", x);
 103   printf ("%+HF\n", x);
 104   printf ("% He\n", x);
 105   printf ("%#HE\n", x);
 106   printf ("%0Hg\n", x);
 107   printf ("%#0HG\n", x);
 108
 109   printf ("%0#Df\n", y);
 110   printf ("%0DF\n", y);
 111   printf ("%#De\n", y);
 112   printf ("%-#DE\n", y);
 113   printf ("%-#0Dg\n", y);  /* { dg-warning "flag ignored" "ignore flag" } */
 114   printf ("%0+ DG\n", y);  /* { dg-warning "flag ignored" "ignore flag" } */
 115
 116   printf ("%DDf\n", z);
 117   printf ("%0DDF\n", z);
 118   printf ("%#0DDe\n", z);
 119   printf ("%+DDE\n", z);
 120   printf ("%0-#DDg\n", z); /* { dg-warning "flag ignored" "ignore flag" } */
 121   printf ("% DDG\n", z);
 122 }