hush: fix mishandling of "true | f() { echo QWE; }"

function                                             old     new   delta
run_pipe                                            1820    1826      +6

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

diff --git a/shell/hush.c b/shell/hush.c
index b64993faa8fcc32f027a20affb931433bea71b7c..94e429c0d452d3c58e1e0a869dbb52046ef3fbf7 100644 (file)
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -7705,6 +7705,15 @@ static void pseudo_exec(nommu_save_t *nommu_save,
                struct command *command,
                char **argv_expanded)
 {
+#if ENABLE_HUSH_FUNCTIONS
+       if (command->cmd_type == CMD_FUNCDEF) {
+               /* Ignore funcdefs in pipes:
+                * true | f() { cmd }
+                */
+               _exit(0);
+       }
+#endif
+
        if (command->argv) {
                pseudo_exec_argv(nommu_save, command->argv,
                                command->assignment_cnt, argv_expanded);