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renice: use BUILD_BUG_ON()

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2018-01-14 19:05:02 +01:00
parent 6f1c942a31
commit 9967978551
1 changed files with 3 additions and 10 deletions
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13
util-linux/renice.c
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@ -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;