78 lines
1.9 KiB
C
78 lines
1.9 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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main ()
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{
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char *temp = "COPYING.tmp";
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char *new = "COPYING.new";
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unlink (temp);
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unlink (new);
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FILE *t = fopen (temp, "wb+");
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FILE *n = fopen (new, "wb");
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char *header = "!<header>\n";
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fwrite (header, strlen (header), 1, n);
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char *data = "foo bar baz\n";
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fwrite (data, strlen (data), 1, t);
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fseek (t, 0, SEEK_END);
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int size = ftell (t);
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fprintf (stderr, " size=>%d\n", size);
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fseek (t, 0, SEEK_SET);
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char *p = (char*)malloc (size + 1);
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fread (p, size, 1, t);
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fwrite (p, size, 1, n);
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char header_plus_data[200];
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strcpy (header_plus_data, header);
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strcat (header_plus_data, data);
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FILE *test = fopen (new, "r");
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char buf[200];
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fflush (n);
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fread (buf, strlen (header_plus_data), 1, test);
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eputs ("buf="); eputs (buf); eputs ("\n");
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if (strcmp (buf, header_plus_data))
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return 1;
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if (access (temp, R_OK))
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return 22;
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unlink (temp);
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if (!access (temp, R_OK))
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return 3;
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unlink (new);
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return 0;
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}
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