smk_write_direct

函数名称：smk_write_direct - write() for /smack/direct*@file: file pointer, not actually used*@buf: where to get the data from*@count: bytes sent*@ppos: where to start* Returns number of bytes written or error code, as appropriate

函数原型：static ssize_t smk_write_direct(struct file *file, const char __user *buf, size_t count, loff_t *ppos)

返回类型：ssize_t

参数：

类型	参数	名称
struct file *	file
const char __user *	buf
size_t	count
loff_t *	ppos

1646

如果非smack_privileged - are all privilege requirements met*@cap: The requested capability* Is the task privileged and allowed to be privileged* by the onlycap rule.* Returns true if the task is allowed to be privileged, false if it's not.则返回:负EPERM

1649

如果count大于等于temp的长度或count恒等于0则返回:负EINVAL

1652

如果copy_from_user(temp, buf, count)不等于0则返回:负EFAULT

1655

temp[count]等于'\0'

1657

如果sscanf - Unformat a buffer into a list of arguments*@buf: input buffer*@fmt: formatting of buffer*@...: resulting arguments不等于1则返回:负EINVAL

1665

如果This is the level in a CIPSO header that indicates a* smack label is contained directly in the category set.* It can be reset via smackfs/direct不等于i则

1666

mutex_lock( & smack_known_lock)

1667

遍历RCU(skp, & smack_known_list, list)

1668

如果lvl恒等于This is the level in a CIPSO header that indicates a* smack label is contained directly in the category set.* It can be reset via smackfs/direct则lvl等于i

1671

This is the level in a CIPSO header that indicates a* smack label is contained directly in the category set.* It can be reset via smackfs/direct等于i

1672

mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.

1675

返回:count

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码

函数逻辑报告