函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\smack\smackfs.c Create Date:2022-07-27 20:57:30
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:smk_read_direct - read() for /smack/direct*@filp: file pointer, not actually used*@buf: where to put the result*@count: maximum to send along*@ppos: where to start* Returns number of bytes read or error code, as appropriate

函数原型:static ssize_t smk_read_direct(struct file *filp, 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 *filp
char __user *buf
size_tcount
loff_t *ppos
1621  如果ppos不等于0则返回:0
1624  输出格式化串
1625  rc等于simple_read_from_buffer(buf, count, ppos, temp, strlen - Find the length of a string*@s: The string to be sized)
1627  返回:rc