101 lines
2.1 KiB
C
101 lines
2.1 KiB
C
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/* -*-comment-start: "//";comment-end:""-*-
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* Mes --- Maxwell Equations of Software
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* Copyright © 2017 Jan Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of Mes.
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*
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* 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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* 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 Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <mlibc.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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char *env[] = {"foo", "bar", "baz", 0};
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int
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test (char **e)
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{
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int i = 0;
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puts ("\n");
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puts ("a[i] = i-1\n");
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int a[3];
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for (int i=0; i < 3; i++) a[i] = i-1;
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for (int i=0; i < 3; i++) if (a[i] != i-1) return 1;
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puts ("env [");
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puts (itoa ((int)env));
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puts ("]\n");
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puts ("e [");
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puts (itoa ((int)e));
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puts ("]\n");
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puts ("env [0] == \"foo\"\n");
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if (strcmp (env[0], "foo")) return 1;
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puts ("env [1] == \"bar\"\n");
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if (strcmp (env[1], "bar")) return 1;
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puts ("t: **p in *env[]\n");
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char **pp = env;
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while (*pp)
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{
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puts ("pp [");
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puts (itoa ((int)pp));
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puts ("]: ");
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if (*pp) puts (*pp);
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puts ("\n");
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pp++;
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i++;
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}
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if (i != 3) return i;
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pp = env;
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puts ("t: *pp++ == \"foo\"\n");
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if (strcmp (*pp++, "foo")) return 1;
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puts ("t: *pp++ == \"bar\"\n");
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if (strcmp (*pp++, "bar")) return 1;
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char *buf = "hello";
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puts ("t: buf[0]\n");
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if (buf[0] != 'h') return 1;
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puts ("t: buf + 1\n");
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if (*(buf+1) != 'e') return 1;
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char **p = &buf;
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puts ("t: **p\n");
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if (**p != 'h') return 1;
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puts ("t: *(p + 1)\n");
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if (*(*p + 1) != 'e') return 1;
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puts ("t: getenv ()");
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if (!getenv ("PATH")) return 1;
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return 0;
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}
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int
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main (int argc, char *argv[])
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{
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return test (env);
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}
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