make xfunctions optionally longjump instead of exit.

use it for making NOFORK more practical.
touch: make it a NOFORK applet

1 files changed, 4 insertions, 9 deletions

diff --git a/coreutils/touch.c b/coreutils/touch.c
index ae4e689f1..5f81b2380 100644
--- a/coreutils/touch.c
+++ b/coreutils/touch.c
@@ -17,21 +17,16 @@
  * Also, exiting on a failure was a bug.  All args should be processed.
  */
 
-#include <stdio.h>
-#include <sys/types.h>
-#include <fcntl.h>
-#include <utime.h>
-#include <errno.h>
-#include <unistd.h>
-#include <stdlib.h>
 #include "busybox.h"
 
+/* This is a NOFORK applet. Be very careful! */
+
 int touch_main(int argc, char **argv);
 int touch_main(int argc, char **argv)
 {
         int fd;
         int status = EXIT_SUCCESS;
-        bool flags = (getopt32(argc, argv, "c") & 1);
+        int flags = getopt32(argc, argv, "c");
 
         argv += optind;
 
@@ -41,7 +36,7 @@ int touch_main(int argc, char **argv)
 
         do {
                 if (utime(*argv, NULL)) {
-                        if (errno == ENOENT) {  /* no such file*/
+                        if (errno == ENOENT) {  /* no such file */
                                 if (flags) {    /* Creation is disabled, so ignore. */
                                         continue;
                                 }