stdlib/tst-strtod6.c

   1 #include <math.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <string.h>
   5
   6 static int
   7 do_test (void)
   8 {
   9   static const char str[] = "NaN(blabla)something";
  10   char *endp;
  11   int result = 0;
  12
  13   double d = strtod (str, &endp);
  14   if (!isnan (d))
  15     {
  16       puts ("strtod did not return NAN");
  17       result = 1;
  18     }
  19   if (strcmp (endp, "something") != 0)
  20     {
  21       puts  ("strtod set incorrect end pointer");
  22       result = 1;
  23     }
  24
  25   float f = strtof (str, &endp);
  26   if (!isnanf (f))
  27     {
  28       puts ("strtof did not return NAN");
  29       result = 1;
  30     }
  31   if (strcmp (endp, "something") != 0)
  32     {
  33       puts  ("strtof set incorrect end pointer");
  34       result = 1;
  35     }
  36
  37   long double ld = strtold (str, &endp);
  38   if (!isnan (ld))
  39     {
  40       puts ("strtold did not return NAN");
  41       result = 1;
  42     }
  43   if (strcmp (endp, "something") != 0)
  44     {
  45       puts  ("strtold set incorrect end pointer");
  46       result = 1;
  47     }
  48
  49   return result;
  50 }
  51
  52 #define TEST_FUNCTION do_test ()
  53 #include "../test-skeleton.c"