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;
}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;
}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, "a, &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;