diff options
Diffstat (limited to 'common/hush.c')
| -rw-r--r-- | common/hush.c | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/common/hush.c b/common/hush.c index 8200931387..288114c6cf 100644 --- a/common/hush.c +++ b/common/hush.c @@ -557,6 +557,18 @@ static int builtin_getopt(struct p_context *ctx, struct child_prog *child, } #endif +static int builtin_exit(struct p_context *ctx, struct child_prog *child, + int argc, char *argv[]) +{ + int r; + + r = last_return_code; + if (argc > 1) + r = simple_strtoul(argv[1], NULL, 0); + + return -r - 2; +} + static void remove_quotes_in_str(char *src) { char *trg = src; @@ -775,6 +787,8 @@ static int run_pipe_real(struct p_context *ctx, struct pipe *pi) if (!strcmp(globbuf.gl_pathv[0], "getopt")) ret = builtin_getopt(ctx, child, globbuf.gl_pathc, globbuf.gl_pathv); + else if (!strcmp(globbuf.gl_pathv[0], "exit")) + ret = builtin_exit(ctx, child, globbuf.gl_pathc, globbuf.gl_pathv); else ret = execute_binfmt(globbuf.gl_pathc, globbuf.gl_pathv); @@ -1885,16 +1899,28 @@ BAREBOX_CMD_START(source) BAREBOX_CMD_HELP(cmd_source_help) BAREBOX_CMD_END -#ifdef CONFIG_HUSH_GETOPT -static int do_getopt(int argc, char *argv[]) +static int do_dummy_command(int argc, char *argv[]) { /* - * This function is never reached. The 'getopt' command is - * only here to provide a help text for the getopt builtin. + * This function is never reached. These commands are only here to + * provide help texts for the builtins. */ return 0; } +static const __maybe_unused char cmd_exit_help[] = +"Usage: exit [n]\n" +"\n" +"exit script with a status of n. If n is omitted, the exit status is that\n" +"of the last command executed\n"; + +BAREBOX_CMD_START(exit) + .cmd = do_dummy_command, + .usage = "exit script", + BAREBOX_CMD_HELP(cmd_exit_help) +BAREBOX_CMD_END + +#ifdef CONFIG_HUSH_GETOPT static const __maybe_unused char cmd_getopt_help[] = "Usage: getopt <optstring> <var>\n" "\n" @@ -1905,7 +1931,7 @@ static const __maybe_unused char cmd_getopt_help[] = "can be accessed starting from $1\n"; BAREBOX_CMD_START(getopt) - .cmd = do_getopt, + .cmd = do_dummy_command, .usage = "getopt <optstring> <var>", BAREBOX_CMD_HELP(cmd_getopt_help) BAREBOX_CMD_END |