Kernel: Added the ability to set the hostname via new syscall

Userland/hostname: Now takes parameter to set the hostname
LibC/unistd: Added sethostname function

2 files changed, 7 insertions, 0 deletions

diff --git a/Libraries/LibC/unistd.cpp b/Libraries/LibC/unistd.cpp
index 8b03c9df3e..03c44bd060 100644
--- a/Libraries/LibC/unistd.cpp
+++ b/Libraries/LibC/unistd.cpp
@@ -352,6 +352,12 @@ int gethostname(char* buffer, size_t size)
     __RETURN_WITH_ERRNO(rc, rc, -1);
 }
 
+int sethostname(const char* hostname, ssize_t size)
+{
+    int rc = syscall(SC_sethostname, hostname, size);
+    __RETURN_WITH_ERRNO(rc, rc, -1);
+}
+
 ssize_t readlink(const char* path, char* buffer, size_t size)
 {
     Syscall::SC_readlink_params params { { path, strlen(path) }, { buffer, size } };
diff --git a/Libraries/LibC/unistd.h b/Libraries/LibC/unistd.h
index bf8e80068c..7ed9ebeee8 100644
--- a/Libraries/LibC/unistd.h
+++ b/Libraries/LibC/unistd.h
@@ -104,6 +104,7 @@ int stat(const char* path, struct stat* statbuf);
 int sleep(unsigned seconds);
 int usleep(useconds_t);
 int gethostname(char*, size_t);
+int sethostname(const char*, ssize_t);
 ssize_t readlink(const char* path, char* buffer, size_t);
 char* ttyname(int fd);
 int ttyname_r(int fd, char* buffer, size_t);