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glibc  2.9
Defines | Functions | Variables
tst_swprintf.c File Reference
#include <stdio.h>
#include <wchar.h>
#include <sys/types.h>

Go to the source code of this file.

Defines

#define nbuf   (sizeof (buf) / sizeof (buf[0]))

Functions

int main (int argc, char *argv[])

Variables

static wchar_t buf [100]
struct {
size_t n
const char * str
ssize_t exp
tests []

Define Documentation

#define nbuf   (sizeof (buf) / sizeof (buf[0]))

Definition at line 7 of file tst_swprintf.c.


Function Documentation

int main ( int  argc,
char *  argv[] 
)

Definition at line 22 of file tst_swprintf.c.

{
  size_t n;
  int result = 0;

  puts ("test 1");
  n = swprintf (buf, nbuf, L"Hello %s", "world");
  if (n != 11)
    {
      printf ("incorrect return value: %zd instead of 11\n", n);
      result = 1;
    }
  else if (wcscmp (buf, L"Hello world") != 0)
    {
      printf ("incorrect string: L\"%ls\" instead of L\"Hello world\"\n", buf);
      result = 1;
    }

  puts ("test 2");
  n = swprintf (buf, nbuf, L"Is this >%g< 3.1?", 3.1);
  if (n != 18)
    {
      printf ("incorrect return value: %zd instead of 18\n", n);
      result = 1;
    }
  else if (wcscmp (buf, L"Is this >3.1< 3.1?") != 0)
    {
      printf ("incorrect string: L\"%ls\" instead of L\"Is this >3.1< 3.1?\"\n",
             buf);
      result = 1;
    }

  for (n = 0; n < sizeof (tests) / sizeof (tests[0]); ++n)
    {
      ssize_t res = swprintf (buf, tests[n].n, L"%s", tests[n].str);

      if (tests[n].exp < 0 && res >= 0)
       {
         printf ("swprintf (buf, %Zu, L\"%%s\", \"%s\") expected to fail\n",
                tests[n].n, tests[n].str);
         result = 1;
       }
      else if (tests[n].exp >= 0 && tests[n].exp != res)
       {
         printf ("swprintf (buf, %Zu, L\"%%s\", \"%s\") expected to return %Zd, but got %Zd\n",
                tests[n].n, tests[n].str, tests[n].exp, res);
         result = 1;
       }
      else
       printf ("swprintf (buf, %Zu, L\"%%s\", \"%s\") OK\n",
              tests[n].n, tests[n].str);
    }

  if (swprintf (buf, nbuf, L"%.0s", "foo") != 0
      || wcslen (buf) != 0)
    {
      printf ("swprintf (buf, %Zu, L\"%%.0s\", \"foo\") create some output\n",
             nbuf);
      result = 1;
    }

  if (swprintf (buf, nbuf, L"%.0ls", L"foo") != 0
      || wcslen (buf) != 0)
    {
      printf ("swprintf (buf, %Zu, L\"%%.0ls\", L\"foo\") create some output\n",
             nbuf);
      result = 1;
    }

  return result;
}

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Variable Documentation

wchar_t buf[100] [static]

Definition at line 6 of file tst_swprintf.c.

struct { ... } tests[] [static]