[PATCH 1/3] libio: Refactor tst-fmemopen to use test-skeleton.c

[Siddhesh Poyarekar]

On Mon, Jun 23, 2014 at 10:20:21AM -0300, Adhemerval Zanella wrote:
> This patch refactor tst-fmemopen.c to use test-skeleton.c.  No logic
> changes are added.
> 
> --
> 
> 	* stdio-common/tst-fmemopen.c (do_test): Refactor to use
> 	test-skeleton.c.
> 
> ---
> 
> diff --git a/stdio-common/tst-fmemopen.c b/stdio-common/tst-fmemopen.c
> index 206bfd7..756d6fe 100644
> --- a/stdio-common/tst-fmemopen.c
> +++ b/stdio-common/tst-fmemopen.c
> @@ -8,10 +8,24 @@
>  #include <sys/stat.h>
>  #include <sys/types.h>
>  
> -int
> -main (int argc, char **argv)
> +static char *test_file;
> +
> +static void
> +do_prepare (int argc, char *argv[])
> +{
> +  /* Construct the test file name based on ARGV[0], which will be
> +     an absolute file name in the build directory.  Don't touch the
> +     source directory, which might be read-only.  */
> +  if (asprintf (&test_file, "%s.test", argv[0]) < 0)
> +    {
> +      puts ("asprintf failed\n");
> +      exit (EXIT_FAILURE);
> +    }
> +}
> +
> +static int
> +do_test (void)
>  {
> -  char *test_file;
>    const char blah[] = "BLAH";
>    FILE *fp;
>    char *mmap_data;
> @@ -19,17 +33,14 @@ main (int argc, char **argv)
>    struct stat fs;
>    const char *cp;
>  
> -  /* Construct the test file name based on ARGV[0], which will be
> -     an absolute file name in the build directory.  Don't touch the
> -     source directory, which might be read-only.  */
> -  if (argc != 1 || asprintf (&test_file, "%s.test", argv[0]) < 0)
> -    exit (99);
> -
>    /* setup the physical file, and use it */
>    if ((fp = fopen (test_file, "w+")) == NULL)
> -    exit (1);
> +    return 1;
>    if (fwrite (blah, 1, strlen (blah), fp) != strlen (blah))
> -    exit (2);
> +    {
> +      fclose (fp);
> +      return 1;

return 2?  Not that it matters much, but it looked like you wanted to
maintain compatibility there.  Looks OK otherwise and can go in
indepdendently.

Siddhesh

> +    }
>  
>    rewind (fp);
>    printf ("file: ");
> @@ -41,7 +52,8 @@ main (int argc, char **argv)
>  	{
>  	  printf ("\ncharacter %td: '%c' instead of '%c'\n",
>  		  cp - blah, ch, *cp);
> -	  exit (1);
> +	  fclose (fp);
> +	  return 1;
>  	}
>        ++cp;
>      }
> @@ -49,33 +61,44 @@ main (int argc, char **argv)
>    if (ferror (fp))
>      {
>        puts ("fp: error");
> -      exit (1);
> +      fclose (fp);
> +      return 1;
>      }
>    if (feof (fp))
>      printf ("fp: EOF\n");
>    else
>      {
>        puts ("not EOF");
> -      exit (1);
> +      fclose (fp);
> +      return 1;
>      }
>    fclose (fp);
>  
>    /* Now, mmap the file into a buffer, and do that too */
>    if ((fd = open (test_file, O_RDONLY)) == -1)
> -    exit (3);
> +    {
> +      printf ("open (%s, O_RDONLY) failed\n", test_file);
> +      return 3;
> +    }
>    if (fstat (fd, &fs) == -1)
> -    exit (4);
> +    {
> +      printf ("stat (%i)\n", fd);
> +      return 4;
> +    }
>  
>    if ((mmap_data = (char *) mmap (NULL, fs.st_size, PROT_READ,
>  				  MAP_SHARED, fd, 0)) == MAP_FAILED)
>      {
> -      if (errno == ENOSYS)
> -	exit (0);
> -      exit (5);
> +      printf ("mmap (NULL, %zu, PROT_READ, MAP_SHARED, %i, 0) failed\n",
> +	      fs.st_size, fd);
> +      return 5;
>      }
>  
>    if ((fp = fmemopen (mmap_data, fs.st_size, "r")) == NULL)
> -    exit (1);
> +    {
> +      printf ("fmemopen (%p, %zu) failed\n", mmap_data, fs.st_size);
> +      return 1;
> +    }
>  
>    printf ("mem: ");
>    cp = blah;
> @@ -86,7 +109,8 @@ main (int argc, char **argv)
>  	{
>  	  printf ("%td character: '%c' instead of '%c'\n",
>  		  cp - blah, ch, *cp);
> -	  exit (1);
> +	  fclose (fp);
> +	  return 1;
>  	}
>        ++cp;
>      }
> @@ -96,14 +120,16 @@ main (int argc, char **argv)
>    if (ferror (fp))
>      {
>        puts ("fp: error");
> -      exit (1);
> +      fclose (fp);
> +      return 1;
>      }
>    if (feof (fp))
>      printf ("fp: EOF\n");
>    else
>      {
>        puts ("not EOF");
> -      exit (1);
> +      fclose (fp);
> +      return 1;
>      }
>  
>    fclose (fp);
> @@ -115,3 +141,7 @@ main (int argc, char **argv)
>  
>    return 0;
>  }
> +
> +#define PREPARE(argc, argv) do_prepare (argc, argv)
> +#define TEST_FUNCTION       do_test ()
> +#include "../test-skeleton.c"
> 
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