echo: do not retry on write errors

function                                             old     new   delta
echo_main                                            297     336     +39
stpcpy                                                 -      22     +22
run_pipe                                            1561    1566      +5
pseudo_exec_argv                                     187     192      +5
hush_exit                                             75      80      +5
------------------------------------------------------------------------------
(add/remove: 3/0 grow/shrink: 4/0 up/down: 98/0)               Total: 76 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

3 files changed, 10 insertions, 0 deletions

diff --git a/shell/ash_test/ash-misc/echo_write_error.right b/shell/ash_test/ash-misc/echo_write_error.right
new file mode 100644
index 000000000..3e91a13d3
--- /dev/null
+++ b/shell/ash_test/ash-misc/echo_write_error.right
@@ -0,0 +1,2 @@
+ash: write error: Broken pipe
+Ok: 1
diff --git a/shell/ash_test/ash-misc/echo_write_error.tests b/shell/ash_test/ash-misc/echo_write_error.tests
new file mode 100644
index 000000000..0a40c9ff7
--- /dev/null
+++ b/shell/ash_test/ash-misc/echo_write_error.tests
@@ -0,0 +1,7 @@
+trap "" PIPE
+
+{
+sleep 1
+echo Cant write this - get EPIPE
+echo Ok: $? >&2
+} | { true; }
diff --git a/shell/ash_test/ash-redir/redir.right b/shell/ash_test/ash-redir/redir.right
index 2a02d41ce..c1a6e729a 100644
--- a/shell/ash_test/ash-redir/redir.right
+++ b/shell/ash_test/ash-redir/redir.right
@@ -1 +1,2 @@
+ash: write error: Bad file descriptor
 TEST