From 6b2585147b842c69faecb136c17dbdda79b3e4b4 Mon Sep 17 00:00:00 2001 From: Peter Stephenson Date: Sun, 2 Oct 2016 19:16:03 +0100 Subject: 39540: "! command" should suppress ERR_EXIT and ERR_RETURN --- Src/exec.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'Src/exec.c') diff --git a/Src/exec.c b/Src/exec.c index 2714edbcb..906cf6cca 100644 --- a/Src/exec.c +++ b/Src/exec.c @@ -1226,6 +1226,7 @@ execlist(Estate state, int dont_change_job, int exiting) } while (wc_code(code) == WC_LIST && !breaks && !retflag && !errflag) { int donedebug; + int this_noerrexit = 0; ltype = WC_LIST_TYPE(code); csp = cmdsp; @@ -1309,9 +1310,12 @@ execlist(Estate state, int dont_change_job, int exiting) goto sublist_done; } while (wc_code(code) == WC_SUBLIST) { + int isend = (WC_SUBLIST_TYPE(code) == WC_SUBLIST_END); next = state->pc + WC_SUBLIST_SKIP(code); if (!oldnoerrexit) - noerrexit = (WC_SUBLIST_TYPE(code) != WC_SUBLIST_END); + noerrexit = !isend; + if ((WC_SUBLIST_FLAGS(code) & WC_SUBLIST_NOT) && isend) + this_noerrexit = 1; switch (WC_SUBLIST_TYPE(code)) { case WC_SUBLIST_END: /* End of sublist; just execute, ignoring status. */ @@ -1427,7 +1431,7 @@ sublist_done: /* Check whether we are suppressing traps/errexit * * (typically in init scripts) and if we haven't * * already performed them for this sublist. */ - if (!noerrexit && !donetrap) { + if (!noerrexit && !this_noerrexit && !donetrap) { if (sigtrapped[SIGZERR] && lastval) { dotrap(SIGZERR); donetrap = 1; -- cgit 1.4.1