revert last two commits. vfork cannot be used in subroutine,
it trashes stack on return
diff --git a/miscutils/crontab.c b/miscutils/crontab.c
index 4bba9fb..dc3179d 100644
--- a/miscutils/crontab.c
+++ b/miscutils/crontab.c
@@ -38,8 +38,10 @@
static void edit_file(const struct passwd *pas, const char *file)
{
const char *ptr;
- int pid = xvfork();
+ int pid = vfork();
+ if (pid < 0) /* failure */
+ bb_perror_msg_and_die("vfork");
if (pid) { /* parent */
wait4pid(pid);
return;
@@ -63,7 +65,9 @@
pid_t pid;
char c;
- pid = xvfork();
+ pid = vfork();
+ if (pid < 0) /* ERROR */
+ bb_perror_msg_and_die("vfork");
if (pid) { /* PARENT */
if (wait4pid(pid) == 0) {
/* exitcode 0: child says it can read */