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ipcs: getopt_ulflag'ification, -170 bytes

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This commit is contained in:
Denis Vlasenko 2006-09-19 17:40:31 +00:00
parent 79deb66c35
commit c7b9bad519
1 changed files with 16 additions and 39 deletions
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55
util-linux/ipcs.c
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@ -570,52 +570,29 @@ static void print_sem(int semid)
int ipcs_main(int argc, char **argv)
{
int opt, id = 0;
int id = 0;
unsigned flags = 0;
unsigned long opt;
char *opt_i;
#define flag_print (1<<0)
#define flag_msg (1<<1)
#define flag_sem (1<<2)
#define flag_shm (1<<3)
const char *const options = "atclupsmqi:ih?";
while ((opt = getopt(argc, argv, options)) != -1) {
switch (opt) {
case 'i':
id = atoi(optarg);
flags |= flag_print;
break;
case 'a':
flags |= flag_msg | flag_sem | flag_shm;
break;
case 'q':
flags |= flag_msg;
break;
case 's':
flags |= flag_sem;
break;
case 'm':
flags |= flag_shm;
break;
case 't':
format = TIME;
break;
case 'c':
format = CREATOR;
break;
case 'p':
format = PID;
break;
case 'l':
format = LIMITS;
break;
case 'u':
format = STATUS;
break;
case 'h':
case '?':
bb_show_usage();
}
opt = bb_getopt_ulflags(argc, argv, "i:aqsmtcplu", &opt_i);
if (opt & 0x1) { // -i
id = atoi(optarg);
flags |= flag_print;
}
if (opt & 0x2) flags |= flag_msg | flag_sem | flag_shm; // -a
if (opt & 0x4) flags |= flag_msg; // -q
if (opt & 0x8) flags |= flag_sem; // -s
if (opt & 0x10) flags |= flag_shm; // -m
if (opt & 0x20) format = TIME; // -t
if (opt & 0x40) format = CREATOR; // -c
if (opt & 0x80) format = PID; // -p
if (opt & 0x100) format = LIMITS; // -l
if (opt & 0x200) format = STATUS; // -u
if (flags & flag_print) {
if (flags & flag_shm) {