diff options
Diffstat (limited to 'common/cli_hush_upstream.c')
| -rw-r--r-- | common/cli_hush_upstream.c | 46 |
1 files changed, 41 insertions, 5 deletions
diff --git a/common/cli_hush_upstream.c b/common/cli_hush_upstream.c index 3f2e4a54956..4b6ab20f3b1 100644 --- a/common/cli_hush_upstream.c +++ b/common/cli_hush_upstream.c @@ -7913,7 +7913,17 @@ static void parse_and_run_stream(struct in_str *inp, int end_trigger) } debug_print_tree(pipe_list, 0); debug_printf_exec("parse_and_run_stream: run_and_free_list\n"); +#ifndef __U_BOOT__ run_and_free_list(pipe_list); +#else /* __U_BOOT__ */ + int rcode = run_and_free_list(pipe_list); + /* + * We reset input string to not run the following command, so running + * 'exit; echo foo' does not print foo. + */ + if (rcode <= EXIT_RET_CODE) + setup_file_in_str(inp); +#endif /* __U_BOOT__ */ empty = 0; if (G_flag_return_in_progress == 1) break; @@ -10368,13 +10378,39 @@ static int run_list(struct pipe *pi) #endif /* !__U_BOOT__ */ rcode = r = run_pipe(pi); /* NB: rcode is a smalluint, r is int */ #ifdef __U_BOOT__ - if (r == -2) { - /* -2 indicates exit was called, so we need to quit now. */ - G.last_exitcode = rcode; + if (r <= EXIT_RET_CODE) { + int previous_rcode = G.last_exitcode; + /* + * This magic is to get the exit code given by the user. + * Contrary to old shell code, we use + EXIT_RET_CODE as EXIT_RET_CODE + * equals -2. + */ + G.last_exitcode = -r + EXIT_RET_CODE; - break; + /* + * This case deals with the following: + * => setenv inner 'echo entry inner; exit; echo inner done' + * => setenv outer 'echo entry outer; run inner; echo outer done' + * => run outer + * So, if we are in inner, we need to break and not run the other + * commands. + * Otherwise, we just continue in outer. + * As return code are propagated, we use the previous value to check if + * exit was just called or was propagated. + */ + if (previous_rcode != r) { + /* + * If run from run_command, run_command_flags will be set, so we check + * this to know if we are in main input shell. + */ + if (!G.run_command_flags) + printf("exit not allowed from main input shell.\n"); + + break; + } + continue; } -#endif +#endif /* __U_BOOT__ */ if (r != -1) { /* We ran a builtin, function, or group. * rcode is already known |