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-rw-r--r--shell/ash.c14
-rw-r--r--shell/ash_test/ash-signals/signal4.right4
-rwxr-xr-xshell/ash_test/ash-signals/signal4.tests5
3 files changed, 19 insertions, 4 deletions
diff --git a/shell/ash.c b/shell/ash.c
index e285130..0cfa4fc 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -12281,7 +12281,7 @@ trapcmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
{
char *action;
char **ap;
- int signo;
+ int signo, exitcode;
nextopt(nullstr);
ap = argptr;
@@ -12314,10 +12314,15 @@ trapcmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
action = NULL;
if (ap[1])
action = *ap++;
+ exitcode = 0;
while (*ap) {
signo = get_signum(*ap);
- if (signo < 0)
- ash_msg_and_raise_error("%s: bad trap", *ap);
+ if (signo < 0) {
+ /* Mimic bash message exactly */
+ ash_msg("%s: invalid signal specification", *ap);
+ exitcode = 1;
+ goto next;
+ }
INT_OFF;
if (action) {
if (LONE_DASH(action))
@@ -12330,9 +12335,10 @@ trapcmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
if (signo != 0)
setsignal(signo);
INT_ON;
+ next:
ap++;
}
- return 0;
+ return exitcode;
}
diff --git a/shell/ash_test/ash-signals/signal4.right b/shell/ash_test/ash-signals/signal4.right
new file mode 100644
index 0000000..3260584
--- /dev/null
+++ b/shell/ash_test/ash-signals/signal4.right
@@ -0,0 +1,4 @@
+./signal4.tests: trap: line 3: BADNAME: invalid signal specification
+1
+Trapped
+Ok
diff --git a/shell/ash_test/ash-signals/signal4.tests b/shell/ash_test/ash-signals/signal4.tests
new file mode 100755
index 0000000..6f1c4a9
--- /dev/null
+++ b/shell/ash_test/ash-signals/signal4.tests
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+trap "echo Trapped" BADNAME TERM; echo $?
+kill $$
+echo Ok