renice: use BUILD_BUG_ON()

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

diff --git a/util-linux/renice.c b/util-linux/renice.c
index 70c494b3df8f3e97bcd786c58feac67ffacc76ed..65a80001b14d4e032b847722669004b5a390e902 100644 (file)
--- a/util-linux/renice.c
+++ b/util-linux/renice.c
@@ -42,10 +42,6 @@
 #include "libbb.h"
 #include <sys/resource.h>
 
-void BUG_bad_PRIO_PROCESS(void);
-void BUG_bad_PRIO_PGRP(void);
-void BUG_bad_PRIO_USER(void);
-
 int renice_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int renice_main(int argc UNUSED_PARAM, char **argv)
 {
@@ -59,12 +55,9 @@ int renice_main(int argc UNUSED_PARAM, char **argv)
        char *arg;
 
        /* Yes, they are not #defines in glibc 2.4! #if won't work */
-       if (PRIO_PROCESS < CHAR_MIN || PRIO_PROCESS > CHAR_MAX)
-               BUG_bad_PRIO_PROCESS();
-       if (PRIO_PGRP < CHAR_MIN || PRIO_PGRP > CHAR_MAX)
-               BUG_bad_PRIO_PGRP();
-       if (PRIO_USER < CHAR_MIN || PRIO_USER > CHAR_MAX)
-               BUG_bad_PRIO_USER();
+       BUILD_BUG_ON(PRIO_PROCESS < CHAR_MIN || PRIO_PROCESS > CHAR_MAX);
+       BUILD_BUG_ON(PRIO_PGRP < CHAR_MIN || PRIO_PGRP > CHAR_MAX);
+       BUILD_BUG_ON(PRIO_USER < CHAR_MIN || PRIO_USER > CHAR_MAX);
 
        arg = *++argv;