forked from Imagelibrary/rtems
f1d9293ec8
* libmisc/shell/cmds.c: Make rtems_shell_main_monitor static. * libmisc/shell/main_alias.c: Make rtems_shell_rtems_main_alias static. * libmisc/shell/main_blksync.c: Make rtems_shell_main_blksync static. * libmisc/shell/main_cat.c: Make rtems_shell_main_cat static. * libmisc/shell/main_chdir.c: Make rtems_shell_main_chdir static. * libmisc/shell/main_chmod.c: Make rtems_shell_main_chmod static. * libmisc/shell/main_chroot.c: Make rtems_shell_main_chroot static. * libmisc/shell/main_cp.c: Make rtems_shell_cp_exit, rtems_shell_main_cp static. * libmisc/shell/main_cpuuse.c: Make rtems_shell_main_cpuuse static. * libmisc/shell/main_date.c: Make rtems_shell_main_date static. * libmisc/shell/main_dd.c: Make rtems_shell_main_dd static. * libmisc/shell/main_echo.c: Make rtems_shell_main_echo static. * libmisc/shell/main_getenv.c: Make rtems_shell_main_getenv static. * libmisc/shell/main_halt.c: Make rtems_shell_main_halt static.
50 lines
913 B
C
50 lines
913 B
C
/*
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* Get 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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static int rtems_shell_main_getenv(int argc, char *argv[])
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{
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char* string;
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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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string = getenv (argv[1]);
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if (!string)
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{
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printf ("error: %s not found\n", argv[1]);
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return 1;
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}
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printf ("%s\n", string);
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return 0;
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}
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rtems_shell_cmd_t rtems_shell_GETENV_Command = {
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"getenv", /* name */
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"getenv [var]", /* usage */
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"misc", /* topic */
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rtems_shell_main_getenv, /* command */
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NULL, /* alias */
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NULL /* next */
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};
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