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