RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-26 08:07:44 +00:00
Code Issues Activity Actions

LibCore: Add File::is_{block,char}_device() helpers

Browse source 
The existing File::is_device() helpers don't distinguish between
block and char devices. This commit adds File::is_block_device() and
File::is_char_device() helpers which are more specific.
This commit is contained in:
Samuel Bowman 2022-06-26 19:04:06 -04:00 • committed by Linus Groh
parent 380ce43afc
commit 7b8088c78d
2 changed files with 36 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

32
Userland/Libraries/LibCore/File.cpp
View file

@ -115,6 +115,38 @@ bool File::is_device(String const& filename)
return S_ISBLK(st.st_mode) || S_ISCHR(st.st_mode); return S_ISBLK(st.st_mode) || S_ISCHR(st.st_mode);
} }
bool File::is_block_device() const
{
struct stat stat;
if (fstat(fd(), &stat) < 0)
return false;
return S_ISBLK(stat.st_mode);
}
bool File::is_block_device(String const& filename)
{
struct stat st;
if (stat(filename.characters(), &st) < 0)
return false;
return S_ISBLK(st.st_mode);
}
bool File::is_char_device() const
{
struct stat stat;
if (fstat(fd(), &stat) < 0)
return false;
return S_ISCHR(stat.st_mode);
}
bool File::is_char_device(String const& filename)
{
struct stat st;
if (stat(filename.characters(), &st) < 0)
return false;
return S_ISCHR(st.st_mode);
}
bool File::is_directory() const bool File::is_directory() const
{ {
struct stat stat; struct stat stat;

4
Userland/Libraries/LibCore/File.h
View file

@ -28,6 +28,10 @@ public:
bool is_device() const; bool is_device() const;
static bool is_device(String const& filename); static bool is_device(String const& filename);
bool is_block_device() const;
static bool is_block_device(String const& filename);
bool is_char_device() const;
static bool is_char_device(String const& filename);
bool is_link() const; bool is_link() const;
static bool is_link(String const& filename); static bool is_link(String const& filename);