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C++ GROUP_AT函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中GROUP_AT函数的典型用法代码示例。如果您正苦于以下问题:C++ GROUP_AT函数的具体用法?C++ GROUP_AT怎么用?C++ GROUP_AT使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了GROUP_AT函数的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: groups_sort

/* a simple Shell sort */
static void groups_sort(struct group_info *group_info)
{
	int base, max, stride;
	int gidsetsize = group_info->ngroups;

	for (stride = 1; stride < gidsetsize; stride = 3 * stride + 1)
		; /* nothing */
	stride /= 3;

	while (stride) {
		max = gidsetsize - stride;
		for (base = 0; base < max; base++) {
			int left = base;
			int right = left + stride;
			gid_t tmp = GROUP_AT(group_info, right);

			while (left >= 0 && GROUP_AT(group_info, left) > tmp) {
				GROUP_AT(group_info, right) =
				    GROUP_AT(group_info, left);
				right = left;
				left -= stride;
			}
			GROUP_AT(group_info, right) = tmp;
		}
		stride /= 3;
	}
}
开发者ID:maraz,项目名称:linux-2.6,代码行数:28,代码来源:sys.c


示例2: generic_match

static int
generic_match(struct auth_cred *acred, struct rpc_cred *cred, int flags)
{
	struct generic_cred *gcred = container_of(cred, struct generic_cred, gc_base);
	int i;

	if (gcred->acred.uid != acred->uid ||
	    gcred->acred.gid != acred->gid ||
	    gcred->acred.machine_cred != acred->machine_cred)
		goto out_nomatch;

	/* Optimisation in the case where pointers are identical... */
	if (gcred->acred.group_info == acred->group_info)
		goto out_match;

	/* Slow path... */
	if (gcred->acred.group_info->ngroups != acred->group_info->ngroups)
		goto out_nomatch;
	for (i = 0; i < gcred->acred.group_info->ngroups; i++) {
		if (GROUP_AT(gcred->acred.group_info, i) !=
				GROUP_AT(acred->group_info, i))
			goto out_nomatch;
	}
out_match:
	return 1;
out_nomatch:
	return 0;
}
开发者ID:flwh,项目名称:Alcatel_OT_985_kernel,代码行数:28,代码来源:auth_generic.c


示例3: generic_match

static int
generic_match(struct auth_cred *acred, struct rpc_cred *cred, int flags)
{
	struct generic_cred *gcred = container_of(cred, struct generic_cred, gc_base);
	int i;

	if (acred->machine_cred)
		return machine_cred_match(acred, gcred, flags);

	if (gcred->acred.uid != acred->uid ||
	    gcred->acred.gid != acred->gid ||
	    gcred->acred.machine_cred != 0)
		goto out_nomatch;

	
	if (gcred->acred.group_info == acred->group_info)
		goto out_match;

	
	if (gcred->acred.group_info->ngroups != acred->group_info->ngroups)
		goto out_nomatch;
	for (i = 0; i < gcred->acred.group_info->ngroups; i++) {
		if (GROUP_AT(gcred->acred.group_info, i) !=
				GROUP_AT(acred->group_info, i))
			goto out_nomatch;
	}
out_match:
	return 1;
out_nomatch:
	return 0;
}
开发者ID:Albinoman887,项目名称:pyramid-3.4.10,代码行数:31,代码来源:auth_generic.c


示例4: cr_groups_search

cr_groups_search(const struct group_info *group_info, gid_t grp)
#endif
{
	unsigned int left, right, mid;
	int cmp;

	if (!group_info)
		return (0);

	left = 0;
	right = group_info->ngroups;
	while (left < right) {
		mid = (left + right) / 2;
		cmp = KGID_TO_SGID(grp) -
		    KGID_TO_SGID(GROUP_AT(group_info, mid));

		if (cmp > 0)
			left = mid + 1;
		else if (cmp < 0)
			right = mid;
		else
			return (1);
	}
	return (0);
}
开发者ID:DeHackEd,项目名称:zfs,代码行数:25,代码来源:spl-cred.c


示例5: task_state

static inline void task_state(struct seq_file *m, struct pid_namespace *ns,
                              struct pid *pid, struct task_struct *p)
{
    struct user_namespace *user_ns = seq_user_ns(m);
    struct group_info *group_info;
    int g;
    struct fdtable *fdt = NULL;
    const struct cred *cred;
    pid_t ppid, tpid;

    rcu_read_lock();
    ppid = pid_alive(p) ?
           task_tgid_nr_ns(rcu_dereference(p->real_parent), ns) : 0;
    tpid = 0;
    if (pid_alive(p)) {
        struct task_struct *tracer = ptrace_parent(p);
        if (tracer)
            tpid = task_pid_nr_ns(tracer, ns);
    }
    cred = get_task_cred(p);
    seq_printf(m,
               "State:\t%s\n"
               "Tgid:\t%d\n"
               "Pid:\t%d\n"
               "PPid:\t%d\n"
               "TracerPid:\t%d\n"
               "Uid:\t%d\t%d\t%d\t%d\n"
               "Gid:\t%d\t%d\t%d\t%d\n",
               get_task_state(p),
               task_tgid_nr_ns(p, ns),
               pid_nr_ns(pid, ns),
               ppid, tpid,
               from_kuid_munged(user_ns, cred->uid),
               from_kuid_munged(user_ns, cred->euid),
               from_kuid_munged(user_ns, cred->suid),
               from_kuid_munged(user_ns, cred->fsuid),
               from_kgid_munged(user_ns, cred->gid),
               from_kgid_munged(user_ns, cred->egid),
               from_kgid_munged(user_ns, cred->sgid),
               from_kgid_munged(user_ns, cred->fsgid));

    task_lock(p);
    if (p->files)
        fdt = files_fdtable(p->files);
    seq_printf(m,
               "FDSize:\t%d\n"
               "Groups:\t",
               fdt ? fdt->max_fds : 0);
    rcu_read_unlock();

    group_info = cred->group_info;
    task_unlock(p);

    for (g = 0; g < group_info->ngroups; g++)
        seq_printf(m, "%d ",
                   from_kgid_munged(user_ns, GROUP_AT(group_info, g)));
    put_cred(cred);

    seq_putc(m, '\n');
}
开发者ID:Runner85sx,项目名称:android_kernel_huawei_msm8909,代码行数:60,代码来源:array.c


示例6: unx_create_cred

static struct rpc_cred *
unx_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
{
	struct unx_cred	*cred;
	unsigned int groups = 0;
	unsigned int i;

	dprintk("RPC:       allocating UNIX cred for uid %d gid %d\n",
			acred->uid, acred->gid);

	if (!(cred = kmalloc(sizeof(*cred), GFP_NOFS)))
		return ERR_PTR(-ENOMEM);

	rpcauth_init_cred(&cred->uc_base, acred, auth, &unix_credops);
	cred->uc_base.cr_flags = 1UL << RPCAUTH_CRED_UPTODATE;

	if (acred->group_info != NULL)
		groups = acred->group_info->ngroups;
	if (groups > NFS_NGROUPS)
		groups = NFS_NGROUPS;

	cred->uc_gid = acred->gid;
	for (i = 0; i < groups; i++)
		cred->uc_gids[i] = GROUP_AT(acred->group_info, i);
	if (i < NFS_NGROUPS)
		cred->uc_gids[i] = NOGROUP;

	return &cred->uc_base;
}
开发者ID:3sOx,项目名称:asuswrt-merlin,代码行数:29,代码来源:auth_unix.c


示例7: gssx_dec_linux_creds

static int gssx_dec_linux_creds(struct xdr_stream *xdr,
				struct svc_cred *creds)
{
	u32 length;
	__be32 *p;
	u32 tmp;
	u32 N;
	int i, err;

	p = xdr_inline_decode(xdr, 4);
	if (unlikely(p == NULL))
		return -ENOSPC;

	length = be32_to_cpup(p);

	if (length > (3 + NGROUPS_MAX) * sizeof(u32))
		return -ENOSPC;

	/* uid */
	err = get_host_u32(xdr, &tmp);
	if (err)
		return err;
	creds->cr_uid = make_kuid(&init_user_ns, tmp);

	/* gid */
	err = get_host_u32(xdr, &tmp);
	if (err)
		return err;
	creds->cr_gid = make_kgid(&init_user_ns, tmp);

	/* number of additional gid's */
	err = get_host_u32(xdr, &tmp);
	if (err)
		return err;
	N = tmp;
	if ((3 + N) * sizeof(u32) != length)
		return -EINVAL;
	creds->cr_group_info = groups_alloc(N);
	if (creds->cr_group_info == NULL)
		return -ENOMEM;

	/* gid's */
	for (i = 0; i < N; i++) {
		kgid_t kgid;
		err = get_host_u32(xdr, &tmp);
		if (err)
			goto out_free_groups;
		err = -EINVAL;
		kgid = make_kgid(&init_user_ns, tmp);
		if (!gid_valid(kgid))
			goto out_free_groups;
		GROUP_AT(creds->cr_group_info, i) = kgid;
	}

	return 0;
out_free_groups:
	groups_free(creds->cr_group_info);
	return err;
}
开发者ID:19Dan01,项目名称:linux,代码行数:59,代码来源:gss_rpc_xdr.c


示例8: task_state

static inline void task_state(struct seq_file *m, struct pid_namespace *ns,
				struct pid *pid, struct task_struct *p)
{
	struct group_info *group_info;
	int g;
	struct fdtable *fdt = NULL;
	const struct cred *cred;
	pid_t ppid, tpid, vpid;

	rcu_read_lock();
	ppid = pid_alive(p) ? ve_task_ppid_nr_ns(p, ns) : 0;

	tpid = 0;
	if (pid_alive(p)) {
		struct task_struct *tracer = tracehook_tracer_task(p);
		if (tracer)
			tpid = task_pid_nr_ns(tracer, ns);
	}
	vpid = task_virtual_pid(p);
	cred = get_task_cred(p);
	seq_printf(m,
		"State:\t%s\n"
		"Tgid:\t%d\n"
		"Pid:\t%d\n"
		"PPid:\t%d\n"
		"TracerPid:\t%d\n"
		"Uid:\t%d\t%d\t%d\t%d\n"
		"Gid:\t%d\t%d\t%d\t%d\n",
		get_task_state(p),
		task_tgid_nr_ns(p, ns),
		pid_nr_ns(pid, ns),
		ppid, tpid,
		cred->uid, cred->euid, cred->suid, cred->fsuid,
		cred->gid, cred->egid, cred->sgid, cred->fsgid);

	task_utrace_proc_status(m, p);

	task_lock(p);
	if (p->files)
		fdt = files_fdtable(p->files);
	seq_printf(m,
		"FDSize:\t%d\n"
		"Groups:\t",
		fdt ? fdt->max_fds : 0);
	rcu_read_unlock();

	group_info = cred->group_info;
	task_unlock(p);

	for (g = 0; g < min(group_info->ngroups, NGROUPS_SMALL); g++)
		seq_printf(m, "%d ", GROUP_AT(group_info, g));
	put_cred(cred);

	seq_printf(m, "\n");

	seq_printf(m, "envID:\t%d\nVPid:\t%d\n",
			p->ve_task_info.owner_env->veid, vpid);
	seq_printf(m, "StopState:\t%u\n", p->stopped_state);
}
开发者ID:vps2fast,项目名称:openvz-kernel,代码行数:59,代码来源:array.c


示例9: groups_search

/* a simple bsearch */
int groups_search(const struct group_info *group_info, kgid_t grp)
{
	unsigned int left, right;

	if (!group_info)
		return 0;

	left = 0;
	right = group_info->ngroups;
	while (left < right) {
		unsigned int mid = (left+right)/2;
		if (gid_gt(grp, GROUP_AT(group_info, mid)))
			left = mid + 1;
		else if (gid_lt(grp, GROUP_AT(group_info, mid)))
			right = mid;
		else
			return 1;
	}
	return 0;
}
开发者ID:020gzh,项目名称:linux,代码行数:21,代码来源:groups.c


示例10: groups16_to_user

static int groups16_to_user(u16 __user *grouplist, struct group_info *group_info)
{
	int i;
	u16 group;

	for (i = 0; i < group_info->ngroups; i++) {
		group = (u16)GROUP_AT(group_info, i);
		if (put_user(group, grouplist+i))
			return -EFAULT;
	}

	return 0;
}
开发者ID:cilynx,项目名称:dd-wrt,代码行数:13,代码来源:sys_sparc32.c


示例11: groups16_from_user

static int groups16_from_user(struct group_info *group_info, u16 __user *grouplist)
{
	int i;
	u16 group;

	for (i = 0; i < group_info->ngroups; i++) {
		if (get_user(group, grouplist+i))
			return  -EFAULT;
		GROUP_AT(group_info, i) = (gid_t)group;
	}

	return 0;
}
开发者ID:cilynx,项目名称:dd-wrt,代码行数:13,代码来源:sys_sparc32.c


示例12: task_state

static inline void task_state(struct seq_file *m, struct pid_namespace *ns,
				struct pid *pid, struct task_struct *p)
{
	struct group_info *group_info;
	int g;
	struct fdtable *fdt = NULL;
	pid_t ppid, tpid;

	rcu_read_lock();
	ppid = pid_alive(p) ?
		task_tgid_nr_ns(rcu_dereference(p->real_parent), ns) : 0;
	tpid = 0;
	if (pid_alive(p)) {
		struct task_struct *tracer = tracehook_tracer_task(p);
		if (tracer)
			tpid = task_pid_nr_ns(tracer, ns);
	}
	seq_printf(m,
		"State:\t%s\n"
		"Tgid:\t%d\n"
		"Pid:\t%d\n"
		"PPid:\t%d\n"
		"TracerPid:\t%d\n"
		"Uid:\t%d\t%d\t%d\t%d\n"
		"Gid:\t%d\t%d\t%d\t%d\n",
		get_task_state(p),
		task_tgid_nr_ns(p, ns),
		pid_nr_ns(pid, ns),
		ppid, tpid,
		p->uid, p->euid, p->suid, p->fsuid,
		p->gid, p->egid, p->sgid, p->fsgid);

	task_lock(p);
	if (p->files)
		fdt = files_fdtable(p->files);
	seq_printf(m,
		"FDSize:\t%d\n"
		"Groups:\t",
		fdt ? fdt->max_fds : 0);
	rcu_read_unlock();

	group_info = p->group_info;
	get_group_info(group_info);
	task_unlock(p);

	for (g = 0; g < min(group_info->ngroups, NGROUPS_SMALL); g++)
		seq_printf(m, "%d ", GROUP_AT(group_info, g));
	put_group_info(group_info);

	seq_printf(m, "\n");
}
开发者ID:mikeberkelaar,项目名称:grhardened,代码行数:51,代码来源:array.c


示例13: groups16_to_user

static int groups16_to_user(old_gid_t __user *grouplist,
    struct group_info *group_info)
{
    int i;
    old_gid_t group;

    for (i = 0; i < group_info->ngroups; i++) {
        group = high2lowgid(GROUP_AT(group_info, i));
        if (put_user(group, grouplist+i))
            return -EFAULT;
    }

    return 0;
}
开发者ID:274914765,项目名称:C,代码行数:14,代码来源:uid16.c


示例14: groups16_from_user

static int groups16_from_user(struct group_info *group_info,
    old_gid_t __user *grouplist)
{
    int i;
    old_gid_t group;

    for (i = 0; i < group_info->ngroups; i++) {
        if (get_user(group, grouplist+i))
            return  -EFAULT;
        GROUP_AT(group_info, i) = low2highgid(group);
    }

    return 0;
}
开发者ID:274914765,项目名称:C,代码行数:14,代码来源:uid16.c


示例15: groups_to_user

/* export the group_info to a user-space array */
static int groups_to_user(gid_t __user *grouplist,
			  const struct group_info *group_info)
{
	struct user_namespace *user_ns = current_user_ns();
	int i;
	unsigned int count = group_info->ngroups;

	for (i = 0; i < count; i++) {
		gid_t gid;
		gid = from_kgid_munged(user_ns, GROUP_AT(group_info, i));
		if (put_user(gid, grouplist+i))
			return -EFAULT;
	}
	return 0;
}
开发者ID:020gzh,项目名称:linux,代码行数:16,代码来源:groups.c


示例16: task_state

static inline char * task_state(struct task_struct *p, char *buffer)
{
	struct group_info *group_info;
	int g;
	struct fdtable *fdt = NULL;

	read_lock(&tasklist_lock);
	buffer += sprintf(buffer,
		"State:\t%s\n"
		"SleepAVG:\t%lu%%\n"
		"Tgid:\t%d\n"
		"Pid:\t%d\n"
		"PPid:\t%d\n"
		"TracerPid:\t%d\n"
		"Uid:\t%d\t%d\t%d\t%d\n"
		"Gid:\t%d\t%d\t%d\t%d\n",
		get_task_state(p),
		(p->sleep_avg/1024)*100/(1020000000/1024),
	       	p->tgid,
		p->pid, pid_alive(p) ? p->group_leader->real_parent->tgid : 0,
		pid_alive(p) && p->ptrace ? p->parent->pid : 0,
		p->uid, p->euid, p->suid, p->fsuid,
		p->gid, p->egid, p->sgid, p->fsgid);
	read_unlock(&tasklist_lock);
	task_lock(p);
	rcu_read_lock();
	if (p->files)
		fdt = files_fdtable(p->files);
	buffer += sprintf(buffer,
		"FDSize:\t%d\n"
		"Groups:\t",
		fdt ? fdt->max_fds : 0);
	rcu_read_unlock();

	group_info = p->group_info;
	get_group_info(group_info);
	task_unlock(p);

	for (g = 0; g < min(group_info->ngroups,NGROUPS_SMALL); g++)
		buffer += sprintf(buffer, "%d ", GROUP_AT(group_info,g));
	put_group_info(group_info);

	buffer += sprintf(buffer, "\n");
	return buffer;
}
开发者ID:liucx6312,项目名称:supermicro_ipmi_firmware,代码行数:45,代码来源:array.c


示例17: task_state

static inline void task_state(struct seq_file *m, struct pid *pid,
				struct task_struct *p)
{
	struct group_info *group_info;
	int g;
	struct fdtable *fdt = NULL;

	rcu_read_lock();
	seq_printf(m,
		"State:\t%s\n"
		"SleepAVG:\t%lu%%\n"
		"Tgid:\t%d\n"
		"Pid:\t%d\n"
		"PPid:\t%d\n"
		"TracerPid:\t%d\n"
		"Uid:\t%d\t%d\t%d\t%d\n"
		"Gid:\t%d\t%d\t%d\t%d\n",
		get_task_state(p),
		(p->sleep_avg/1024)*100/(1020000000/1024),
	       	p->tgid, p->pid,
	       	pid_alive(p) ? rcu_dereference(p->real_parent)->tgid : 0,
		pid_alive(p) && p->ptrace ? rcu_dereference(p->parent)->pid : 0,
		p->uid, p->euid, p->suid, p->fsuid,
		p->gid, p->egid, p->sgid, p->fsgid);

	task_lock(p);
	if (p->files)
		fdt = files_fdtable(p->files);
	seq_printf(m,
		"FDSize:\t%d\n"
		"Groups:\t",
		fdt ? fdt->max_fds : 0);
	rcu_read_unlock();

	group_info = p->group_info;
	get_group_info(group_info);
	task_unlock(p);

	for (g = 0; g < min(group_info->ngroups, NGROUPS_SMALL); g++)
		seq_printf(m, "%d ", GROUP_AT(group_info, g));
	put_group_info(group_info);

	seq_printf(m, "\n");
}
开发者ID:Mr-Aloof,项目名称:wl500g,代码行数:44,代码来源:array.c


示例18: unx_match

/*
 * Match credentials against current process creds.
 * The root_override argument takes care of cases where the caller may
 * request root creds (e.g. for NFS swapping).
 */
static int
unx_match(struct auth_cred *acred, struct rpc_cred *rcred, int flags)
{
	struct unx_cred	*cred = container_of(rcred, struct unx_cred, uc_base);
	unsigned int groups = 0;
	unsigned int i;


	if (cred->uc_uid != acred->uid || cred->uc_gid != acred->gid)
		return 0;

	if (acred->group_info != NULL)
		groups = acred->group_info->ngroups;
	if (groups > NFS_NGROUPS)
		groups = NFS_NGROUPS;
	for (i = 0; i < groups ; i++)
		if (cred->uc_gids[i] != GROUP_AT(acred->group_info, i))
			return 0;
	return 1;
}
开发者ID:3sOx,项目名称:asuswrt-merlin,代码行数:25,代码来源:auth_unix.c


示例19: groups_search

/* a simple bsearch */
int groups_search(struct group_info *group_info, gid_t grp)
{
	unsigned int left, right;

	if (!group_info)
		return 0;

	left = 0;
	right = group_info->ngroups;
	while (left < right) {
		unsigned int mid = (left+right)/2;
		int cmp = grp - GROUP_AT(group_info, mid);
		if (cmp > 0)
			left = mid + 1;
		else if (cmp < 0)
			right = mid;
		else
			return 1;
	}
	return 0;
}
开发者ID:maraz,项目名称:linux-2.6,代码行数:22,代码来源:sys.c


示例20: groups_from_user

/* fill a group_info from a user-space array - it must be allocated already */
static int groups_from_user(struct group_info *group_info,
    gid_t __user *grouplist)
{
	struct user_namespace *user_ns = current_user_ns();
	int i;
	unsigned int count = group_info->ngroups;

	for (i = 0; i < count; i++) {
		gid_t gid;
		kgid_t kgid;
		if (get_user(gid, grouplist+i))
			return -EFAULT;

		kgid = make_kgid(user_ns, gid);
		if (!gid_valid(kgid))
			return -EINVAL;

		GROUP_AT(group_info, i) = kgid;
	}
	return 0;
}
开发者ID:020gzh,项目名称:linux,代码行数:22,代码来源:groups.c



注:本文中的GROUP_AT函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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