151 lines
2.9 KiB
C
151 lines
2.9 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2017,2018 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 <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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#if 0 //!SYSTEM_LIBC
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#define getenv xgetenv
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char *
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getenv (char const *s)
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{
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eputs ("getenv\n");
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char **p = environ;
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int length = strlen (s);
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eputs ("getenv length=");
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eputs (itoa (length));
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eputs ("\n");
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while (*p)
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{
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eputs ("*p=");
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eputs (*p);
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eputs ("\n");;
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eputs (" p=");
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eputs (itoa ((long) p));
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eputs ("\n");
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if (!strncmp (s, *p, length) && *(*p + length) == '=')
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return (*p + length + 1);
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p++;
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}
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return 0;
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}
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#endif
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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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oputs ("\n");
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oputs ("a[i] = i-1\n");
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int a[3];
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for (int i = 0; i < 3; i++)
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a[i] = i - 1;
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for (int i = 0; i < 3; i++)
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if (a[i] != i - 1)
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return 1;
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oputs ("env [");
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oputs (itoa ((long) env));
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oputs ("]\n");
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oputs ("e [");
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oputs (itoa ((int) e));
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oputs ("]\n");
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oputs ("env [0] == \"foo\"\n");
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if (strcmp (env[0], "foo"))
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return 2;
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oputs ("env [1] == \"bar\"\n");
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if (strcmp (env[1], "bar"))
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return 3;
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oputs ("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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oputs ("pp [");
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oputs (itoa ((int) pp));
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oputs ("]: ");
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if (*pp)
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oputs (*pp);
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oputs ("\n");
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pp++;
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i++;
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}
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if (i != 3)
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return i;
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pp = env;
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oputs ("t: *pp++ == \"foo\"\n");
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if (strcmp (*pp++, "foo"))
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return 4;
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oputs ("t: *pp++ == \"bar\"\n");
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if (strcmp (*pp++, "bar"))
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return 5;
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char *buf = "hello";
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oputs ("t: buf[0]\n");
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if (buf[0] != 'h')
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return 6;
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oputs ("t: buf + 1\n");
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if (*(buf + 1) != 'e')
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return 7;
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char **p = &buf;
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oputs ("t: **p\n");
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if (**p != 'h')
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return 8;
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oputs ("t: *(p + 1)\n");
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if (*(*p + 1) != 'e')
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return 9;
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oputs ("t: getenv ()\n");
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if (!getenv ("PATH"))
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return 10;
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oputs ("t: setenv ()\n");
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if (setenv ("61-array", "yes", 1))
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return 11;
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oputs ("t: getenv2 ()\n");
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if (strcmp (getenv ("61-array"), "yes"))
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return 12;
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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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