bc: convert to "G trick" - this returns bc to zero bss increase
[oweals/busybox.git] / coreutils / readlink.c
index 9690290e3c3ecdd9a1d758b3e91a81e132396154..49361cea03a899e3f6178829298f516c48915069 100644 (file)
@@ -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
 
@@ -71,8 +71,7 @@ int readlink_main(int argc UNUSED_PARAM, char **argv)
        IF_FEATURE_READLINK_FOLLOW(
                unsigned opt;
                /* We need exactly one non-option argument.  */
-               opt_complementary = "=1";
-               opt = getopt32(argv, "fnvsq");
+               opt = getopt32(argv, "^" "fnvsq" "\0" "=1");
                fname = argv[optind];
        )
        IF_NOT_FEATURE_READLINK_FOLLOW(
@@ -85,8 +84,9 @@ 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);
+               buf = xmalloc_realpath_coreutils(fname);
        } else {
                buf = xmalloc_readlink_or_warn(fname);
        }
@@ -94,9 +94,7 @@ 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);
 }