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glibc  2.9
Functions
bug-strtod.c File Reference
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

Go to the source code of this file.

Functions

int main (void)

Function Documentation

int main ( void  )

Definition at line 27 of file bug-strtod.c.

{
  char buf[300];
  int cnt;
  int result = 0;

  for (cnt = 0; cnt < 200; ++cnt)
    {
      ssize_t n;
      float f;

      n = sprintf (buf, "%d", cnt);
      memset (buf + n, '0', cnt);
      sprintf (buf + n + cnt, ".000e-%d", cnt);
      f = strtof (buf, NULL);

      if (f != (float) cnt)
       {
         printf ("strtof(\"%s\") failed for cnt == %d (%g instead of %g)\n",
                buf, cnt, f, (float) cnt);
         result = 1;
       }
      else
       printf ("strtof() fine for cnt == %d\n", cnt);
    }

  for (cnt = 0; cnt < 200; ++cnt)
    {
      ssize_t n;
      double f;

      n = sprintf (buf, "%d", cnt);
      memset (buf + n, '0', cnt);
      sprintf (buf + n + cnt, ".000e-%d", cnt);
      f = strtod (buf, NULL);

      if (f != (double) cnt)
       {
         printf ("strtod(\"%s\") failed for cnt == %d (%g instead of %g)\n",
                buf, cnt, f, (double) cnt);
         result = 1;
       }
      else
       printf ("strtod() fine for cnt == %d\n", cnt);
    }

  for (cnt = 0; cnt < 200; ++cnt)
    {
      ssize_t n;
      long double f;

      n = sprintf (buf, "%d", cnt);
      memset (buf + n, '0', cnt);
      sprintf (buf + n + cnt, ".000e-%d", cnt);
      f = strtold (buf, NULL);

      if (f != (long double) cnt)
       {
         printf ("strtold(\"%s\") failed for cnt == %d (%Lg instead of %Lg)\n",
                buf, cnt, f, (long double) cnt);
         result = 1;
       }
      else
       printf ("strtold() fine for cnt == %d\n", cnt);
    }

  return result;
}

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