--- /dev/null
+diff -u -r ../util-linux-2.28/sys-utils/ipcutils.c ./sys-utils/ipcutils.c
+--- ../util-linux-2.28/sys-utils/ipcutils.c 2016-04-04 04:29:50.698566374 -0400
++++ ./sys-utils/ipcutils.c 2016-06-23 06:20:15.952794444 -0400
+@@ -15,516 +15,63 @@
+ # define SHMMIN 1 /* min shared segment size in bytes */
+ #endif
+
+-
+ int ipc_msg_get_limits(struct ipc_limits *lim)
+ {
+- if (path_exist(_PATH_PROC_IPC_MSGMNI) &&
+- path_exist(_PATH_PROC_IPC_MSGMNB) &&
+- path_exist(_PATH_PROC_IPC_MSGMAX)) {
+-
+- lim->msgmni = path_read_s32(_PATH_PROC_IPC_MSGMNI);
+- lim->msgmnb = path_read_s32(_PATH_PROC_IPC_MSGMNB);
+- lim->msgmax = path_read_s32(_PATH_PROC_IPC_MSGMAX);
+- } else {
+- struct msginfo msginfo;
+-
+- if (msgctl(0, IPC_INFO, (struct msqid_ds *) &msginfo) < 0)
+- return 1;
+- lim->msgmni = msginfo.msgmni;
+- lim->msgmnb = msginfo.msgmnb;
+- lim->msgmax = msginfo.msgmax;
+- }
+-
+- return 0;
++ return -1;
+ }
+
+ int ipc_sem_get_limits(struct ipc_limits *lim)
+ {
+- FILE *f;
+- int rc = 0;
+-
+- lim->semvmx = SEMVMX;
+-
+- f = path_fopen("r", 0, _PATH_PROC_IPC_SEM);
+- if (f) {
+- rc = fscanf(f, "%d\t%d\t%d\t%d",
+- &lim->semmsl, &lim->semmns, &lim->semopm, &lim->semmni);
+- fclose(f);
+-
+- }
+-
+- if (rc != 4) {
+- struct seminfo seminfo = { .semmni = 0 };
+- union semun arg = { .array = (ushort *) &seminfo };
+-
+- if (semctl(0, 0, IPC_INFO, arg) < 0)
+- return 1;
+- lim->semmni = seminfo.semmni;
+- lim->semmsl = seminfo.semmsl;
+- lim->semmns = seminfo.semmns;
+- lim->semopm = seminfo.semopm;
+- }
+-
+- return 0;
++ return -1;
+ }
+
+ int ipc_shm_get_limits(struct ipc_limits *lim)
+ {
+- lim->shmmin = SHMMIN;
+-
+- if (path_exist(_PATH_PROC_IPC_SHMALL) &&
+- path_exist(_PATH_PROC_IPC_SHMMAX) &&
+- path_exist(_PATH_PROC_IPC_SHMMNI)) {
+-
+- lim->shmall = path_read_u64(_PATH_PROC_IPC_SHMALL);
+- lim->shmmax = path_read_u64(_PATH_PROC_IPC_SHMMAX);
+- lim->shmmni = path_read_u64(_PATH_PROC_IPC_SHMMNI);
+-
+- } else {
+- struct shminfo *shminfo;
+- struct shmid_ds shmbuf;
+-
+- if (shmctl(0, IPC_INFO, &shmbuf) < 0)
+- return 1;
+- shminfo = (struct shminfo *) &shmbuf;
+- lim->shmmni = shminfo->shmmni;
+- lim->shmall = shminfo->shmall;
+- lim->shmmax = shminfo->shmmax;
+- }
+-
+- return 0;
++ return -1;
+ }
+
+ int ipc_shm_get_info(int id, struct shm_data **shmds)
+ {
+- FILE *f;
+- int i = 0, maxid;
+- char buf[BUFSIZ];
+- struct shm_data *p;
+- struct shmid_ds dummy;
+-
+- p = *shmds = xcalloc(1, sizeof(struct shm_data));
+- p->next = NULL;
+-
+- f = path_fopen("r", 0, _PATH_PROC_SYSV_SHM);
+- if (!f)
+- goto shm_fallback;
+-
+- while (fgetc(f) != '\n'); /* skip header */
+-
+- while (fgets(buf, sizeof(buf), f) != NULL) {
+- /* scan for the first 14-16 columns (e.g. Linux 2.6.32 has 14) */
+- p->shm_rss = 0xdead;
+- p->shm_swp = 0xdead;
+- if (sscanf(buf,
+- "%d %d %o %"SCNu64 " %u %u "
+- "%"SCNu64 " %u %u %u %u %"SCNi64 " %"SCNi64 " %"SCNi64
+- " %"SCNu64 " %"SCNu64 "\n",
+- &p->shm_perm.key,
+- &p->shm_perm.id,
+- &p->shm_perm.mode,
+- &p->shm_segsz,
+- &p->shm_cprid,
+- &p->shm_lprid,
+- &p->shm_nattch,
+- &p->shm_perm.uid,
+- &p->shm_perm.gid,
+- &p->shm_perm.cuid,
+- &p->shm_perm.cgid,
+- &p->shm_atim,
+- &p->shm_dtim,
+- &p->shm_ctim,
+- &p->shm_rss,
+- &p->shm_swp) < 14)
+- continue; /* ivalid line, skipped */
+-
+- if (id > -1) {
+- /* ID specified */
+- if (id == p->shm_perm.id) {
+- i = 1;
+- break;
+- } else
+- continue;
+- }
+-
+- p->next = xcalloc(1, sizeof(struct shm_data));
+- p = p->next;
+- p->next = NULL;
+- i++;
+- }
+-
+- if (i == 0)
+- free(*shmds);
+- fclose(f);
+- return i;
+-
+- /* Fallback; /proc or /sys file(s) missing. */
+-shm_fallback:
+- maxid = shmctl(0, SHM_INFO, &dummy);
+-
+- for (int j = 0; j <= maxid; j++) {
+- int shmid;
+- struct shmid_ds shmseg;
+- struct ipc_perm *ipcp = &shmseg.shm_perm;
+-
+- shmid = shmctl(j, SHM_STAT, &shmseg);
+- if (shmid < 0 || (id > -1 && shmid != id)) {
+- continue;
+- }
+-
+- i++;
+- p->shm_perm.key = ipcp->KEY;
+- p->shm_perm.id = shmid;
+- p->shm_perm.mode = ipcp->mode;
+- p->shm_segsz = shmseg.shm_segsz;
+- p->shm_cprid = shmseg.shm_cpid;
+- p->shm_lprid = shmseg.shm_lpid;
+- p->shm_nattch = shmseg.shm_nattch;
+- p->shm_perm.uid = ipcp->uid;
+- p->shm_perm.gid = ipcp->gid;
+- p->shm_perm.cuid = ipcp->cuid;
+- p->shm_perm.cgid = ipcp->cuid;
+- p->shm_atim = shmseg.shm_atime;
+- p->shm_dtim = shmseg.shm_dtime;
+- p->shm_ctim = shmseg.shm_ctime;
+- p->shm_rss = 0xdead;
+- p->shm_swp = 0xdead;
+-
+- if (id < 0) {
+- p->next = xcalloc(1, sizeof(struct shm_data));
+- p = p->next;
+- p->next = NULL;
+- } else
+- break;
+- }
+-
+- if (i == 0)
+- free(*shmds);
+- return i;
++ return -1;
+ }
+
+ void ipc_shm_free_info(struct shm_data *shmds)
+ {
+- while (shmds) {
+- struct shm_data *next = shmds->next;
+- free(shmds);
+- shmds = next;
+- }
++ return;
+ }
+
+ static void get_sem_elements(struct sem_data *p)
+ {
+- size_t i;
+-
+- if (!p || !p->sem_nsems || p->sem_perm.id < 0)
+- return;
+-
+- p->elements = xcalloc(p->sem_nsems, sizeof(struct sem_elem));
+-
+- for (i = 0; i < p->sem_nsems; i++) {
+- struct sem_elem *e = &p->elements[i];
+- union semun arg = { .val = 0 };
+-
+- e->semval = semctl(p->sem_perm.id, i, GETVAL, arg);
+- if (e->semval < 0)
+- err(EXIT_FAILURE, _("%s failed"), "semctl(GETVAL)");
+-
+- e->ncount = semctl(p->sem_perm.id, i, GETNCNT, arg);
+- if (e->ncount < 0)
+- err(EXIT_FAILURE, _("%s failed"), "semctl(GETNCNT)");
+-
+- e->zcount = semctl(p->sem_perm.id, i, GETZCNT, arg);
+- if (e->zcount < 0)
+- err(EXIT_FAILURE, _("%s failed"), "semctl(GETZCNT)");
+-
+- e->pid = semctl(p->sem_perm.id, i, GETPID, arg);
+- if (e->pid < 0)
+- err(EXIT_FAILURE, _("%s failed"), "semctl(GETPID)");
+- }
++ return;
+ }
+
+ int ipc_sem_get_info(int id, struct sem_data **semds)
+ {
+- FILE *f;
+- int i = 0, maxid;
+- struct sem_data *p;
+- struct seminfo dummy;
+- union semun arg;
+-
+- p = *semds = xcalloc(1, sizeof(struct sem_data));
+- p->next = NULL;
+-
+- f = path_fopen("r", 0, _PATH_PROC_SYSV_SEM);
+- if (!f)
+- goto sem_fallback;
+-
+- while (fgetc(f) != '\n') ; /* skip header */
+-
+- while (feof(f) == 0) {
+- if (fscanf(f,
+- "%d %d %o %" SCNu64 " %u %u %u %u %"
+- SCNi64 " %" SCNi64 "\n",
+- &p->sem_perm.key,
+- &p->sem_perm.id,
+- &p->sem_perm.mode,
+- &p->sem_nsems,
+- &p->sem_perm.uid,
+- &p->sem_perm.gid,
+- &p->sem_perm.cuid,
+- &p->sem_perm.cgid,
+- &p->sem_otime,
+- &p->sem_ctime) != 10)
+- continue;
+-
+- if (id > -1) {
+- /* ID specified */
+- if (id == p->sem_perm.id) {
+- get_sem_elements(p);
+- i = 1;
+- break;
+- } else
+- continue;
+- }
+-
+- p->next = xcalloc(1, sizeof(struct sem_data));
+- p = p->next;
+- p->next = NULL;
+- i++;
+- }
+-
+- if (i == 0)
+- free(*semds);
+- fclose(f);
+- return i;
+-
+- /* Fallback; /proc or /sys file(s) missing. */
+-sem_fallback:
+- arg.array = (ushort *) (void *)&dummy;
+- maxid = semctl(0, 0, SEM_INFO, arg);
+-
+- for (int j = 0; j <= maxid; j++) {
+- int semid;
+- struct semid_ds semseg;
+- struct ipc_perm *ipcp = &semseg.sem_perm;
+- arg.buf = (struct semid_ds *)&semseg;
+-
+- semid = semctl(j, 0, SEM_STAT, arg);
+- if (semid < 0 || (id > -1 && semid != id)) {
+- continue;
+- }
+-
+- i++;
+- p->sem_perm.key = ipcp->KEY;
+- p->sem_perm.id = semid;
+- p->sem_perm.mode = ipcp->mode;
+- p->sem_nsems = semseg.sem_nsems;
+- p->sem_perm.uid = ipcp->uid;
+- p->sem_perm.gid = ipcp->gid;
+- p->sem_perm.cuid = ipcp->cuid;
+- p->sem_perm.cgid = ipcp->cuid;
+- p->sem_otime = semseg.sem_otime;
+- p->sem_ctime = semseg.sem_ctime;
+-
+- if (id < 0) {
+- p->next = xcalloc(1, sizeof(struct sem_data));
+- p = p->next;
+- p->next = NULL;
+- i++;
+- } else {
+- get_sem_elements(p);
+- break;
+- }
+- }
+-
+- if (i == 0)
+- free(*semds);
+- return i;
++ return -1;
+ }
+
+ void ipc_sem_free_info(struct sem_data *semds)
+ {
+- while (semds) {
+- struct sem_data *next = semds->next;
+- free(semds->elements);
+- free(semds);
+- semds = next;
+- }
++ return;
+ }
+
+ int ipc_msg_get_info(int id, struct msg_data **msgds)
+ {
+- FILE *f;
+- int i = 0, maxid;
+- struct msg_data *p;
+- struct msqid_ds dummy;
+- struct msqid_ds msgseg;
+-
+- p = *msgds = xcalloc(1, sizeof(struct msg_data));
+- p->next = NULL;
+-
+- f = path_fopen("r", 0, _PATH_PROC_SYSV_MSG);
+- if (!f)
+- goto msg_fallback;
+-
+- while (fgetc(f) != '\n') ; /* skip header */
+-
+- while (feof(f) == 0) {
+- if (fscanf(f,
+- "%d %d %o %" SCNu64 " %" SCNu64
+- " %u %u %u %u %u %u %" SCNi64 " %" SCNi64 " %" SCNi64 "\n",
+- &p->msg_perm.key,
+- &p->msg_perm.id,
+- &p->msg_perm.mode,
+- &p->q_cbytes,
+- &p->q_qnum,
+- &p->q_lspid,
+- &p->q_lrpid,
+- &p->msg_perm.uid,
+- &p->msg_perm.gid,
+- &p->msg_perm.cuid,
+- &p->msg_perm.cgid,
+- &p->q_stime,
+- &p->q_rtime,
+- &p->q_ctime) != 14)
+- continue;
+-
+- if (id > -1) {
+- /* ID specified */
+- if (id == p->msg_perm.id) {
+- if (msgctl(id, IPC_STAT, &msgseg) != -1)
+- p->q_qbytes = msgseg.msg_qbytes;
+- i = 1;
+- break;
+- } else
+- continue;
+- }
+-
+- p->next = xcalloc(1, sizeof(struct msg_data));
+- p = p->next;
+- p->next = NULL;
+- i++;
+- }
+-
+- if (i == 0)
+- free(*msgds);
+- fclose(f);
+- return i;
+-
+- /* Fallback; /proc or /sys file(s) missing. */
+-msg_fallback:
+- maxid = msgctl(0, MSG_INFO, &dummy);
+-
+- for (int j = 0; j <= maxid; j++) {
+- int msgid;
+- struct ipc_perm *ipcp = &msgseg.msg_perm;
+-
+- msgid = msgctl(j, MSG_STAT, &msgseg);
+- if (msgid < 0 || (id > -1 && msgid != id)) {
+- continue;
+- }
+-
+- i++;
+- p->msg_perm.key = ipcp->KEY;
+- p->msg_perm.id = msgid;
+- p->msg_perm.mode = ipcp->mode;
+- p->q_cbytes = msgseg.msg_cbytes;
+- p->q_qnum = msgseg.msg_qnum;
+- p->q_lspid = msgseg.msg_lspid;
+- p->q_lrpid = msgseg.msg_lrpid;
+- p->msg_perm.uid = ipcp->uid;
+- p->msg_perm.gid = ipcp->gid;
+- p->msg_perm.cuid = ipcp->cuid;
+- p->msg_perm.cgid = ipcp->cgid;
+- p->q_stime = msgseg.msg_stime;
+- p->q_rtime = msgseg.msg_rtime;
+- p->q_ctime = msgseg.msg_ctime;
+- p->q_qbytes = msgseg.msg_qbytes;
+-
+- if (id < 0) {
+- p->next = xcalloc(1, sizeof(struct msg_data));
+- p = p->next;
+- p->next = NULL;
+- } else
+- break;
+- }
+-
+- if (i == 0)
+- free(*msgds);
+- return i;
++ return -1;
+ }
+
+ void ipc_msg_free_info(struct msg_data *msgds)
+ {
+- while (msgds) {
+- struct msg_data *next = msgds->next;
+- free(msgds);
+- msgds = next;
+- }
++ return;
+ }
+
+ void ipc_print_perms(FILE *f, struct ipc_stat *is)
+ {
+- struct passwd *pw;
+- struct group *gr;
+-
+- fprintf(f, "%-10d %-10o", is->id, is->mode & 0777);
+-
+- if ((pw = getpwuid(is->cuid)))
+- fprintf(f, " %-10s", pw->pw_name);
+- else
+- fprintf(f, " %-10u", is->cuid);
+-
+- if ((gr = getgrgid(is->cgid)))
+- fprintf(f, " %-10s", gr->gr_name);
+- else
+- fprintf(f, " %-10u", is->cgid);
+-
+- if ((pw = getpwuid(is->uid)))
+- fprintf(f, " %-10s", pw->pw_name);
+- else
+- fprintf(f, " %-10u", is->uid);
+-
+- if ((gr = getgrgid(is->gid)))
+- fprintf(f, " %-10s\n", gr->gr_name);
+- else
+- fprintf(f, " %-10u\n", is->gid);
++ return;
+ }
+
+ void ipc_print_size(int unit, char *msg, uint64_t size, const char *end,
+ int width)
+ {
+- char format[32];
+-
+- if (!msg)
+- /* NULL */ ;
+- else if (msg[strlen(msg) - 1] == '=')
+- printf("%s", msg);
+- else if (unit == IPC_UNIT_BYTES)
+- printf(_("%s (bytes) = "), msg);
+- else if (unit == IPC_UNIT_KB)
+- printf(_("%s (kbytes) = "), msg);
+- else
+- printf("%s = ", msg);
+-
+- switch (unit) {
+- case IPC_UNIT_DEFAULT:
+- case IPC_UNIT_BYTES:
+- sprintf(format, "%%%dju", width);
+- printf(format, size);
+- break;
+- case IPC_UNIT_KB:
+- sprintf(format, "%%%dju", width);
+- printf(format, size / 1024);
+- break;
+- case IPC_UNIT_HUMAN:
+- sprintf(format, "%%%ds", width);
+- printf(format, size_to_human_string(SIZE_SUFFIX_1LETTER, size));
+- break;
+- default:
+- /* impossible occurred */
+- abort();
+- }
+-
+- if (end)
+- printf("%s", end);
++ return;
+ }
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