c33d6d00bc
* src/mes.c: Re-indent. * src: Likewise. * include: Likewise. * lib: Likewise. * scaffold: Likewise.
125 lines
2.7 KiB
C
125 lines
2.7 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of GNU Mes.
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*
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* GNU Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* GNU Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <mes/lib.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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int
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dump (char const *name, char const *contents)
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{
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unlink (name);
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FILE *f = fopen (name, "w");
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fwrite (contents, strlen (contents), 1, f);
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fclose (f);
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}
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int
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main ()
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{
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char *line = "The first line.\n";
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char *contents = "The first line.\nThe second line.\nThe last line.\n";
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char *end = "That's all folks!\n";
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char *tmp = "foo";
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dump (tmp, contents);
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FILE *t = fopen (tmp, "r+");
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if (t <= 0)
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return 1;
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char buf[80];
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memset (buf, 0, sizeof (buf));
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fread (buf, strlen (line), 1, t);
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eputs ("buf=");
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eputs (buf);
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eputs ("\n");
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if (strcmp (buf, line))
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return 2;
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fwrite (end, strlen (end), 1, t);
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fseek (t, 0, SEEK_SET);
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memset (buf, 0, sizeof (buf));
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fread (buf, strlen (line), 1, t);
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eputs ("buf=");
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eputs (buf);
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eputs ("\n");
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if (strcmp (buf, line))
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return 3;
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tmp = "bar";
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dump (tmp, contents);
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t = fopen (tmp, "w+");
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if (t <= 0)
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return 4;
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fwrite (end, strlen (end), 1, t);
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fseek (t, 0, SEEK_SET);
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memset (buf, 0, sizeof (buf));
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fread (buf, strlen (end), 1, t);
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eputs ("buf=");
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eputs (buf);
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eputs ("\n");
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if (strcmp (buf, end))
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return 5;
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fwrite (end, strlen (end), 1, t);
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fseek (t, 0, SEEK_SET);
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memset (buf, 0, sizeof (buf));
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fread (buf, strlen (end), 1, t);
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if (strcmp (buf, end))
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return 6;
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tmp = "baz";
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dump (tmp, contents);
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t = fopen (tmp, "a+");
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if (t <= 0)
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return 7;
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fwrite (end, strlen (end), 1, t);
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fseek (t, 0, SEEK_SET);
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memset (buf, 0, sizeof (buf));
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fread (buf, strlen (line), 1, t);
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eputs ("buf=");
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eputs (buf);
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eputs ("\n");
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if (strcmp (buf, line))
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return 8;
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fwrite (end, strlen (end), 1, t);
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fseek (t, 0, SEEK_SET);
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fread (buf, strlen (line), 1, t);
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eputs ("buf=");
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eputs (buf);
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eputs ("\n");
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if (strcmp (buf, line))
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return 9;
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return 0;
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}
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