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add -Wundef, fix uncovered bugs

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This commit is contained in:
Denis Vlasenko
2006-11-17 20:29:00 +00:00
parent 04c6386c45
commit a7189f01a4
19 changed files with 71 additions and 74 deletions
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26
procps/renice.c
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@@ -20,23 +20,11 @@
*/
#include "busybox.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <errno.h>
#include <unistd.h>
#include <sys/resource.h>
#if (PRIO_PROCESS < CHAR_MIN) || (PRIO_PROCESS > CHAR_MAX)
#error Assumption violated : PRIO_PROCESS value
#endif
#if (PRIO_PGRP < CHAR_MIN) || (PRIO_PGRP > CHAR_MAX)
#error Assumption violated : PRIO_PGRP value
#endif
#if (PRIO_USER < CHAR_MIN) || (PRIO_USER > CHAR_MAX)
#error Assumption violated : PRIO_USER value
#endif
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)
{
@@ -49,6 +37,14 @@ int renice_main(int argc, char **argv)
unsigned who;
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();
arg = *++argv;
/* Check if we are using a relative adjustment. */