C++ pr_ReadEntry函数代码示例

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本文整理汇总了C++中pr_ReadEntry函数的典型用法代码示例。如果您正苦于以下问题：C++ pr_ReadEntry函数的具体用法？C++ pr_ReadEntry怎么用？C++ pr_ReadEntry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pr_ReadEntry函数的3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: RemoveFromIDHash

afs_int32
RemoveFromIDHash(struct ubik_trans *tt, afs_int32 aid, afs_int32 *loc)		/* ??? in case ID hashed twice ??? */
{
    /* remove entry designated by aid from id hash table */
    afs_int32 code;
    afs_int32 current, trail, i;
    struct prentry tentry;
    struct prentry bentry;

    if ((aid == PRBADID) || (aid == 0))
	return PRINCONSISTENT;
    i = IDHash(aid);
    current = ntohl(cheader.idHash[i]);
    memset(&tentry, 0, sizeof(tentry));
    memset(&bentry, 0, sizeof(bentry));
    trail = 0;
    if (current == 0)
	return PRSUCCESS;	/* already gone */
    code = pr_ReadEntry(tt, 0, current, &tentry);
    if (code)
	return PRDBFAIL;
    while (aid != tentry.id) {
	osi_Assert(trail != current);
	trail = current;
	current = tentry.nextID;
	if (current == 0)
	    break;
	code = pr_ReadEntry(tt, 0, current, &tentry);
	if (code)
	    return PRDBFAIL;
    }
    if (current == 0)
	return PRSUCCESS;	/* we didn't find him, so he's already gone */
    if (trail == 0) {
	/* it's the first entry! */
	cheader.idHash[i] = htonl(tentry.nextID);
	code =
	    pr_Write(tt, 0, 72 + HASHSIZE * 4 + i * 4,
		     (char *)&cheader.idHash[i], sizeof(cheader.idHash[i]));
	if (code)
	    return PRDBFAIL;
    } else {
	code = pr_ReadEntry(tt, 0, trail, &bentry);
	if (code)
	    return PRDBFAIL;
	bentry.nextID = tentry.nextID;
	code = pr_WriteEntry(tt, 0, trail, &bentry);
	if (code)
	    return PRDBFAIL;
    }
    *loc = current;
    return PRSUCCESS;
}

开发者ID:adeason，项目名称:openafs，代码行数:53，代码来源:utils.c

示例2: RemoveFromNameHash

afs_int32
RemoveFromNameHash(struct ubik_trans *tt, char *aname, afs_int32 *loc)
{
    /* remove from name hash */
    afs_int32 code;
    afs_int32 current, trail, i;
    struct prentry tentry;
    struct prentry bentry;

    i = NameHash(aname);
    current = ntohl(cheader.nameHash[i]);
    memset(&tentry, 0, sizeof(tentry));
    memset(&bentry, 0, sizeof(bentry));
    trail = 0;
    if (current == 0)
	return PRSUCCESS;	/* already gone */
    code = pr_ReadEntry(tt, 0, current, &tentry);
    if (code)
	return PRDBFAIL;
    while (strcmp(aname, tentry.name)) {
	osi_Assert(trail != current);
	trail = current;
	current = tentry.nextName;
	if (current == 0)
	    break;
	code = pr_ReadEntry(tt, 0, current, &tentry);
	if (code)
	    return PRDBFAIL;
    }
    if (current == 0)
	return PRSUCCESS;	/* we didn't find him, already gone */
    if (trail == 0) {
	/* it's the first entry! */
	cheader.nameHash[i] = htonl(tentry.nextName);
	code =
	    pr_Write(tt, 0, 72 + i * 4, (char *)&cheader.nameHash[i],
		     sizeof(cheader.nameHash[i]));
	if (code)
	    return PRDBFAIL;
    } else {
	code = pr_ReadEntry(tt, 0, trail, &bentry);
	if (code)
	    return PRDBFAIL;
	bentry.nextName = tentry.nextName;
	code = pr_WriteEntry(tt, 0, trail, &bentry);
	if (code)
	    return PRDBFAIL;
    }
    *loc = current;
    return PRSUCCESS;
}

开发者ID:adeason，项目名称:openafs，代码行数:51，代码来源:utils.c

示例3: CommandProc


//.........这里部分代码省略.........
		    if (u->uid && u->uid == uid)
			break;
		if (u) {
		    /* Add user - deferred because it is probably foreign */
		    u->uid = 0;
		    if (FindByID(0, uid))
			code = PRIDEXIST;
		    else {
			if (!code
			    && (flags & (PRGRP | PRQUOTA)) ==
			    (PRGRP | PRQUOTA)) {
			    gentry.ngroups++;
			    code = pr_WriteEntry(0, 0, gpos, &gentry);
			    if (code)
				fprintf(stderr,
					"Error setting group count on %s: %s\n",
					name, afs_error_message(code));
			}
			code = CreateEntry(0, u->name, &uid, 1 /*idflag */ ,
					   1 /*gflag */ ,
					   SYSADMINID /*oid */ ,
					   SYSADMINID /*cid */ );
		    }
		    if (code)
			fprintf(stderr, "Error while creating %s: %s\n",
				u->name, afs_error_message(code));
		    continue;
		}
		/* Add user to group */
		if (id == ANYUSERID || id == AUTHUSERID || uid == ANONYMOUSID) {
		    code = PRPERM;
		} else if ((upos = FindByID(0, uid))
			   && (gpos = FindByID(0, id))) {
		    code = pr_ReadEntry(0, 0, upos, &uentry);
		    if (!code)
			code = pr_ReadEntry(0, 0, gpos, &gentry);
		    if (!code)
			code = AddToEntry(0, &gentry, gpos, uid);
		    if (!code)
			code = AddToEntry(0, &uentry, upos, id);
		} else
		    code = PRNOENT;

		if (code)
		    fprintf(stderr, "Error while adding %s to %s: %s\n", mem,
			    name, afs_error_message(code));
	    } else {
		code = sscanf(buffer, "%s %d/%d %d %d %d", name, &flags, &quota, &id,
			      &oid, &cid);
		if (code != 6) {
		    fprintf(stderr,
			    "Insufficient data provided for user/group\n");
		    exit(1);
		}

		seenGroup = 1;

		if (FindByID(0, id))
		    code = PRIDEXIST;
		else
		    code = CreateEntry(0, name, &id, 1 /*idflag */ ,
				       flags & PRGRP, oid, cid);
		if (code == PRBADNAM) {
		    u = malloc(sizeof(struct usr_list));
		    u->next = usr_head;
		    u->uid = id;

开发者ID:bagdxk，项目名称:openafs，代码行数:67，代码来源:pt_util.c

注：本文中的pr_ReadEntry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。