diff options
| -rw-r--r-- | util-linux/ipcs.c | 47 |
1 files changed, 23 insertions, 24 deletions
diff --git a/util-linux/ipcs.c b/util-linux/ipcs.c index dc107eb95..4863a5c29 100644 --- a/util-linux/ipcs.c +++ b/util-linux/ipcs.c @@ -565,7 +565,7 @@ static void print_sem(int semid) //usage:#define ipcs_trivial_usage //usage: "[[-smq] -i SHMID] | [[-asmq] [-tcplu]]" //usage:#define ipcs_full_usage "\n\n" -//usage: " -i Show specific resource" +//usage: " -i ID Show specific resource" //usage: "\nResource specification:" //usage: "\n -m Shared memory segments" //usage: "\n -q Message queues" @@ -582,56 +582,55 @@ int ipcs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int ipcs_main(int argc UNUSED_PARAM, char **argv) { int format = 0; - unsigned flags = 0; unsigned opt; char *opt_i; -#define flag_msg (1<<0) -#define flag_sem (1<<1) -#define flag_shm (1<<2) opt = getopt32(argv, "i:aqsmtcplu", &opt_i); - 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 (opt & 1) { // -i +#define flag_msg (1<<2) +#define flag_sem (1<<3) +#define flag_shm (1<<4) + if (opt & (1<<5)) format = TIME; // -t + if (opt & (1<<6)) format = CREATOR; // -c + if (opt & (1<<7)) format = PID; // -p + if (opt & (1<<8)) format = LIMITS; // -l + if (opt & (1<<9)) format = STATUS; // -u + + if (opt & (1<<0)) { // -i int id; id = xatoi(opt_i); - if (flags & flag_shm) { + if (opt & flag_shm) { print_shm(id); fflush_stdout_and_exit(EXIT_SUCCESS); } - if (flags & flag_sem) { + if (opt & flag_sem) { print_sem(id); fflush_stdout_and_exit(EXIT_SUCCESS); } - if (flags & flag_msg) { + if (opt & flag_msg) { print_msg(id); fflush_stdout_and_exit(EXIT_SUCCESS); } bb_show_usage(); } - if (!(flags & (flag_shm | flag_msg | flag_sem))) - flags |= flag_msg | flag_shm | flag_sem; + if ((opt & (1<<1)) // -a + || !(opt & (flag_msg | flag_sem | flag_shm)) // none of -q,-s,-m == all + ) { + opt |= flag_msg | flag_sem | flag_shm; + } + bb_putchar('\n'); - if (flags & flag_msg) { + if (opt & flag_msg) { do_msg(format); bb_putchar('\n'); } - if (flags & flag_shm) { + if (opt & flag_shm) { do_shm(format); bb_putchar('\n'); } - if (flags & flag_sem) { + if (opt & flag_sem) { do_sem(format); bb_putchar('\n'); } |