diff options
Diffstat (limited to 'cpukit/libmisc/shell/main_unsetenv.c')
-rw-r--r-- | cpukit/libmisc/shell/main_unsetenv.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/cpukit/libmisc/shell/main_unsetenv.c b/cpukit/libmisc/shell/main_unsetenv.c new file mode 100644 index 0000000000..8805ba4341 --- /dev/null +++ b/cpukit/libmisc/shell/main_unsetenv.c @@ -0,0 +1,43 @@ +/* + * 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" + +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 */ +}; |