110 lines
2.6 KiB
C
110 lines
2.6 KiB
C
|
/* -*-comment-start: "//";comment-end:""-*-
|
||
|
|
* Mes --- Maxwell Equations of Software
|
||
|
|
* Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
|
||
|
|
*
|
||
|
|
* This file is part of Mes.
|
||
|
|
*
|
||
|
|
* Mes is free software; you can redistribute it and/or modify it
|
||
|
|
* under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation; either version 3 of the License, or (at
|
||
|
|
* your option) any later version.
|
||
|
|
*
|
||
|
|
* Mes is distributed in the hope that it will be useful, but
|
||
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with Mes. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <libmes.h>
|
||
|
|
#include <fcntl.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
|
||
|
|
int
|
||
|
|
dump (char const *name, char const* contents)
|
||
|
|
{
|
||
|
|
unlink (name);
|
||
|
|
FILE *f = fopen (name, "w");
|
||
|
|
fwrite (contents, strlen (contents), 1, f);
|
||
|
|
fclose (f);
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
main ()
|
||
|
|
{
|
||
|
|
char *line = "The first line.\n";
|
||
|
|
char *contents = "The first line.\nThe second line.\nThe last line.\n";
|
||
|
|
char* end = "That's all folks!\n";
|
||
|
|
|
||
|
|
char *tmp = "foo";
|
||
|
|
|
||
|
|
dump (tmp, contents);
|
||
|
|
|
||
|
|
|
||
|
|
FILE *t = fopen (tmp, "r+");
|
||
|
|
|
||
|
|
|
||
|
|
char buf[80];
|
||
|
|
memset (buf, 0, sizeof (buf));
|
||
|
|
fread (buf, strlen (line), 1, t);
|
||
|
|
eputs ("buf="); eputs (buf); eputs ("\n");
|
||
|
|
if (strcmp (buf, line))
|
||
|
|
return 1;
|
||
|
|
|
||
|
|
fwrite (end, strlen (end), 1, t);
|
||
|
|
|
||
|
|
fseek (t, 0, SEEK_SET);
|
||
|
|
memset (buf, 0, sizeof (buf));
|
||
|
|
fread (buf, strlen (line), 1, t);
|
||
|
|
eputs ("buf="); eputs (buf); eputs ("\n");
|
||
|
|
if (strcmp (buf, line))
|
||
|
|
return 2;
|
||
|
|
|
||
|
|
tmp = "bar";
|
||
|
|
dump (tmp, contents);
|
||
|
|
t = fopen (tmp, "w+");
|
||
|
|
|
||
|
|
fwrite (end, strlen (end), 1, t);
|
||
|
|
fseek (t, 0, SEEK_SET);
|
||
|
|
memset (buf, 0, sizeof (buf));
|
||
|
|
fread (buf, strlen (end), 1, t);
|
||
|
|
eputs ("buf="); eputs (buf); eputs ("\n");
|
||
|
|
if (strcmp (buf, end))
|
||
|
|
return 3;
|
||
|
|
|
||
|
|
fwrite (end, strlen (end), 1, t);
|
||
|
|
|
||
|
|
fseek (t, 0, SEEK_SET);
|
||
|
|
memset (buf, 0, sizeof (buf));
|
||
|
|
fread (buf, strlen (end), 1, t);
|
||
|
|
if (strcmp (buf, end))
|
||
|
|
return 4;
|
||
|
|
|
||
|
|
tmp = "baz";
|
||
|
|
dump (tmp, contents);
|
||
|
|
t = fopen (tmp, "a+");
|
||
|
|
|
||
|
|
fwrite (end, strlen (end), 1, t);
|
||
|
|
fseek (t, 0, SEEK_SET);
|
||
|
|
memset (buf, 0, sizeof (buf));
|
||
|
|
fread (buf, strlen (line), 1, t);
|
||
|
|
eputs ("buf="); eputs (buf); eputs ("\n");
|
||
|
|
if (strcmp (buf, line))
|
||
|
|
return 5;
|
||
|
|
|
||
|
|
fwrite (end, strlen (end), 1, t);
|
||
|
|
|
||
|
|
fseek (t, 0, SEEK_SET);
|
||
|
|
fread (buf, strlen (line), 1, t);
|
||
|
|
eputs ("buf="); eputs (buf); eputs ("\n");
|
||
|
|
if (strcmp (buf, line))
|
||
|
|
return 6;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|