revert last two commits. vfork cannot be used in subroutine,

it trashes stack on return

1 files changed, 6 insertions, 2 deletions

diff --git a/miscutils/crontab.c b/miscutils/crontab.c
index 4bba9fb44..dc3179dac 100644
--- a/miscutils/crontab.c
+++ b/miscutils/crontab.c
@@ -38,8 +38,10 @@ static void change_user(const struct passwd *pas)
 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 @@ static int open_as_user(const struct passwd *pas, const char *file)
         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 */