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chrt: code shrink

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function                                             old     new   delta
show_min_max                                          80      60     -20
packed_usage                                       26929   26896     -33
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-53)             Total: -53 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2010-07-01 16:42:27 +02:00
parent cd0f6b0c93
commit 922f6f51db
2 changed files with 48 additions and 46 deletions
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20
miscutils/chrt.c
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@@ -5,33 +5,35 @@
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include <sched.h>
#include "libbb.h"
#ifndef _POSIX_PRIORITY_SCHEDULING
#warning your system may be foobared
#endif
static const struct {
int policy;
char name[12];
char name[sizeof("SCHED_OTHER")];
} policies[] = {
{SCHED_OTHER, "SCHED_OTHER"},
{SCHED_FIFO, "SCHED_FIFO"},
{SCHED_RR, "SCHED_RR"}
};
//TODO: add
// -b, SCHED_BATCH
// -i, SCHED_IDLE
static void show_min_max(int pol)
{
const char *fmt = "%s min/max priority\t: %d/%d\n\0%s not supported?\n";
const char *fmt = "%s min/max priority\t: %u/%u\n";
int max, min;
max = sched_get_priority_max(pol);
min = sched_get_priority_min(pol);
if (max >= 0 && min >= 0)
printf(fmt, policies[pol].name, min, max);
else {
fmt += 29;
printf(fmt, policies[pol].name);
}
if ((max|min) < 0)
fmt = "%s not supported\n";
printf(fmt, policies[pol].name, min, max);
}
#define OPT_m (1<<0)