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/*
* Unset an environment vairable.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <rtems.h>
#include <rtems/shell.h>
#include "internal.h"
static int rtems_shell_main_unsetenv(int argc, char *argv[])
{
if (argc != 2)
{
printf ("error: only argument is the variable name\n");
return 1;
}
if (unsetenv (argv[1]) < 0)
{
printf ("error: %s\n", strerror (errno));
return 1;
}
return 0;
}
rtems_shell_cmd_t rtems_shell_UNSETENV_Command = {
"unsetenv", /* name */
"unsetenv [var]", /* usage */
"misc", /* topic */
rtems_shell_main_unsetenv, /* command */
NULL, /* alias */
NULL /* next */
};
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