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LibCore: Implement File::is_link()

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It was already possible to check if a path was a directory or a device.
Now, it is possible to check if a path is a link in a similar manner.
This commit is contained in:
Ariel Don 2021-07-11 15:38:55 -05:00 • committed by Ali Mohammad Pur
parent 8823548a4e
commit 3289b6a887
2 changed files with 19 additions and 0 deletions
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16
Userland/Libraries/LibCore/File.cpp
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@ -130,6 +130,22 @@ bool File::is_directory(const String& filename)
return S_ISDIR(st.st_mode); return S_ISDIR(st.st_mode);
} }
bool File::is_link() const
{
struct stat stat;
if (fstat(fd(), &stat) < 0)
return false;
return S_ISLNK(stat.st_mode);
}
bool File::is_link(const String& filename)
{
struct stat st;
if (lstat(filename.characters(), &st) < 0)
return false;
return S_ISLNK(st.st_mode);
}
bool File::exists(const String& filename) bool File::exists(const String& filename)
{ {
struct stat st; struct stat st;

3
Userland/Libraries/LibCore/File.h
View file

@ -30,6 +30,9 @@ public:
bool is_device() const; bool is_device() const;
static bool is_device(const String& filename); static bool is_device(const String& filename);
bool is_link() const;
static bool is_link(const String& filename);
static bool exists(const String& filename); static bool exists(const String& filename);
static bool ensure_parent_directories(const String& path); static bool ensure_parent_directories(const String& path);