ipcs: getopt_ulflag'ification, -170 bytes

git-svn-id: svn://busybox.net/trunk/busybox@16160 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 16 insertions, 39 deletions

diff --git a/util-linux/ipcs.c b/util-linux/ipcs.c
index c54f53567..78c0ce9cf 100644
--- a/util-linux/ipcs.c
+++ b/util-linux/ipcs.c
@@ -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) {