new NOFORKs: pwdx,kill[all5],ttysize,realpath,readlink NOEXECs: date,resize

function                                             old     new   delta
run_nofork_applet                                    258     280     +22
readlink_main                                        112     123     +11
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 33/0)               Total: 33 bytes

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

1 files changed, 3 insertions, 4 deletions

diff --git a/coreutils/readlink.c b/coreutils/readlink.c
index 9690290e3..7f8d6b239 100644
--- a/coreutils/readlink.c
+++ b/coreutils/readlink.c
@@ -20,7 +20,7 @@
 //config:       help
 //config:       Enable the readlink option (-f).
 
-//applet:IF_READLINK(APPLET(readlink, BB_DIR_USR_BIN, BB_SUID_DROP))
+//applet:IF_READLINK(APPLET_NOFORK(readlink, readlink, BB_DIR_USR_BIN, BB_SUID_DROP, readlink))
 
 //kbuild:lib-$(CONFIG_READLINK) += readlink.o
 
@@ -85,6 +85,7 @@ int readlink_main(int argc UNUSED_PARAM, char **argv)
         if (!(opt & 4)) /* not -v */
                 logmode = LOGMODE_NONE;
 
+        /* NOFORK: only one alloc is allowed; must free */
         if (opt & 1) { /* -f */
                 buf = xmalloc_realpath(fname);
         } else {
@@ -94,9 +95,7 @@ int readlink_main(int argc UNUSED_PARAM, char **argv)
         if (!buf)
                 return EXIT_FAILURE;
         printf((opt & 2) ? "%s" : "%s\n", buf);
-
-        if (ENABLE_FEATURE_CLEAN_UP)
-                free(buf);
+        free(buf);
 
         fflush_stdout_and_exit(EXIT_SUCCESS);
 }