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glibc  2.9
Defines | Functions | Variables
test-vfprintf.c File Reference
#include <locale.h>
#include <mcheck.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>

Go to the source code of this file.

Defines

#define nlocs   (sizeof (locs) / sizeof (locs[0]))

Functions

int main (void)

Variables

const char * locs []
char large [50000]

Define Documentation

#define nlocs   (sizeof (locs) / sizeof (locs[0]))

Definition at line 35 of file test-vfprintf.c.


Function Documentation

int main ( void  )

Definition at line 41 of file test-vfprintf.c.

{
  char buf[25];
  size_t i;
  int res = 0;
  int fd;

  mtrace ();

  strcpy (buf, "/tmp/test-vfprintfXXXXXX");
  fd = mkstemp (buf);
  if (fd == -1)
    {
      printf ("cannot open temporary file: %m\n");
      exit (1);
    }
  unlink (buf);

  for (i = 0; i < nlocs; ++i)
    {
      FILE *fp;
      struct stat st;
      int fd2;

      setlocale (LC_ALL, locs[i]);

      memset (large, '\1', sizeof (large));
      large[sizeof (large) - 1] = '\0';

      fd2 = dup (fd);
      if (fd2 == -1)
       {
         printf ("cannot dup for locale %s: %m\n",
                setlocale (LC_ALL, NULL));
         exit (1);
       }

      if (ftruncate (fd2, 0) != 0)
       {
         printf ("cannot truncate file for locale %s: %m\n",
                setlocale (LC_ALL, NULL));
         exit (1);
       }

      fp = fdopen (fd2, "a");
      if (fp == NULL)
       {
         printf ("cannot create FILE for locale %s: %m\n",
                setlocale (LC_ALL, NULL));
         exit (1);
       }

      fprintf (fp, "%s", large);
      fprintf (fp, "%.*s", 30000, large);
      large[20000] = '\0';
      fprintf (fp, large);
      fprintf (fp, "%-1.300000000s", "hello");

      if (fflush (fp) != 0 || ferror (fp) != 0 || fclose (fp) != 0)
       {
         printf ("write error for locale %s: %m\n",
                setlocale (LC_ALL, NULL));
         exit (1);
       }

      if (fstat (fd, &st) != 0)
       {
         printf ("cannot stat for locale %s: %m\n",
                setlocale (LC_ALL, NULL));
         exit (1);
       }
      else if (st.st_size != 50000 + 30000 + 19999 + 5)
       {
         printf ("file size incorrect for locale %s: %jd instead of %jd\n",
                setlocale (LC_ALL, NULL),
                (intmax_t) st.st_size,
                (intmax_t) 50000 + 30000 + 19999 + 5);
         res = 1;
       }
      else
       printf ("locale %s OK\n", setlocale (LC_ALL, NULL));
    }

  close (fd);

  return res;
}

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Variable Documentation

char large[50000]

Definition at line 38 of file test-vfprintf.c.

const char* locs[]
Initial value:
{
  "C", "de_DE.ISO-8859-1", "de_DE.UTF-8", "ja_JP.EUC-JP"
}

Definition at line 31 of file test-vfprintf.c.