diff options
Diffstat (limited to 'shell')
| -rw-r--r-- | shell/hush.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/shell/hush.c b/shell/hush.c index 5e51adfdc..78a8f5c03 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -6983,12 +6983,12 @@ static const char *get_cmdtext(struct pipe *pi) * On subsequent bg argv is trashed, but we won't use it */ if (pi->cmdtext) return pi->cmdtext; + argv = pi->cmds[0].argv; - if (!argv || !argv[0]) { + if (!argv) { pi->cmdtext = xzalloc(1); return pi->cmdtext; } - len = 0; do { len += strlen(*argv) + 1; @@ -6997,9 +6997,7 @@ static const char *get_cmdtext(struct pipe *pi) pi->cmdtext = p; argv = pi->cmds[0].argv; do { - len = strlen(*argv); - memcpy(p, *argv, len); - p += len; + p = stpcpy(p, *argv); *p++ = ' '; } while (*++argv); p[-1] = '\0'; @@ -7965,8 +7963,8 @@ static int run_list(struct pipe *pi) /* We ran a builtin, function, or group. * rcode is already known * and we don't need to wait for anything. */ - G.last_exitcode = rcode; debug_printf_exec(": builtin/func exitcode %d\n", rcode); + G.last_exitcode = rcode; check_and_run_traps(); #if ENABLE_HUSH_LOOPS /* Was it "break" or "continue"? */ @@ -7998,30 +7996,30 @@ static int run_list(struct pipe *pi) /* even bash 3.2 doesn't do that well with nested bg: * try "{ { sleep 10; echo DEEP; } & echo HERE; } &". * I'm NOT treating inner &'s as jobs */ - check_and_run_traps(); #if ENABLE_HUSH_JOB if (G.run_list_level == 1) insert_bg_job(pi); #endif /* Last command's pid goes to $! */ G.last_bg_pid = pi->cmds[pi->num_cmds - 1].pid; - G.last_exitcode = rcode = EXIT_SUCCESS; debug_printf_exec(": cmd&: exitcode EXIT_SUCCESS\n"); +/* Check pi->pi_inverted? "! sleep 1 & echo $?": bash says 1. dash and ash says 0 */ + G.last_exitcode = rcode = EXIT_SUCCESS; + check_and_run_traps(); } else { #if ENABLE_HUSH_JOB if (G.run_list_level == 1 && G_interactive_fd) { /* Waits for completion, then fg's main shell */ rcode = checkjobs_and_fg_shell(pi); debug_printf_exec(": checkjobs_and_fg_shell exitcode %d\n", rcode); - check_and_run_traps(); } else #endif { /* This one just waits for completion */ rcode = checkjobs(pi, 0 /*(no pid to wait for)*/); debug_printf_exec(": checkjobs exitcode %d\n", rcode); - check_and_run_traps(); } G.last_exitcode = rcode; + check_and_run_traps(); } } |