mes/scaffold/tests/61-array.c
Jan Nieuwenhuizen bd82d5988d core: Add setenv.
* lib/libc.c (setenv): New function.
* include/stdlib.h (setenv): Declare it.
* scaffold/tests/61-array.c (test): Test it.
2018-04-07 09:21:51 +02:00

107 lines
2.3 KiB
C

/* -*-comment-start: "//";comment-end:""-*-
* Mes --- Maxwell Equations of Software
* Copyright © 2017 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 <mlibc.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
char *env[] = {"foo", "bar", "baz", 0};
int
test (char **e)
{
int i = 0;
puts ("\n");
puts ("a[i] = i-1\n");
int a[3];
for (int i=0; i < 3; i++) a[i] = i-1;
for (int i=0; i < 3; i++) if (a[i] != i-1) return 1;
puts ("env [");
puts (itoa ((int)env));
puts ("]\n");
puts ("e [");
puts (itoa ((int)e));
puts ("]\n");
puts ("env [0] == \"foo\"\n");
if (strcmp (env[0], "foo")) return 2;
puts ("env [1] == \"bar\"\n");
if (strcmp (env[1], "bar")) return 3;
puts ("t: **p in *env[]\n");
char **pp = env;
while (*pp)
{
puts ("pp [");
puts (itoa ((int)pp));
puts ("]: ");
if (*pp) puts (*pp);
puts ("\n");
pp++;
i++;
}
if (i != 3) return i;
pp = env;
puts ("t: *pp++ == \"foo\"\n");
if (strcmp (*pp++, "foo")) return 4;
puts ("t: *pp++ == \"bar\"\n");
if (strcmp (*pp++, "bar")) return 5;
char *buf = "hello";
puts ("t: buf[0]\n");
if (buf[0] != 'h') return 6;
puts ("t: buf + 1\n");
if (*(buf+1) != 'e') return 7;
char **p = &buf;
puts ("t: **p\n");
if (**p != 'h') return 8;
puts ("t: *(p + 1)\n");
if (*(*p + 1) != 'e') return 9;
puts ("t: getenv ()");
if (!getenv ("PATH")) return 10;
puts ("t: setenv ()");
if (setenv ("61-array", "yes", 1)) return 11;
puts ("t: getenv2 ()");
if (strcmp (getenv ("61-array"), "yes")) return 12;
return 0;
}
int
main (int argc, char *argv[])
{
return test (env);
}