函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\vsprintf.c Create Date:2022-07-27 07:09:18
Last Modify:2022-05-21 09:47:42 Copyright©Brick
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函数名称：err_ptr

函数原型：static char *err_ptr(char *buf, char *end, void *ptr, struct printf_spec spec)

返回类型：char

参数：

类型参数名称
char *buf
char *end
void *ptr
struct printf_specspec
621  err等于错误
622  sym等于errname(err)
624  如果sym则返回:Handle string from a well known address.
632  flags to number() 或等于unsigned/signed, must be 1
633  number base, 8, 10 or 16 only 等于10
634  返回:number(buf, end, err, spec)
调用者
名称描述
pointerShow a '%p' thing. A kernel extension is that the '%p' is followed* by an extra set of alphanumeric characters that are extended format* specifiers.* Please update scripts/checkpatch.pl when adding/removing conversion* characters