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Diffstat (limited to 'sysdeps/unix/sysv/linux/gethostname.c')
-rw-r--r--sysdeps/unix/sysv/linux/gethostname.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/gethostname.c b/sysdeps/unix/sysv/linux/gethostname.c
index 5df8096bfd..0e3ca57aca 100644
--- a/sysdeps/unix/sysv/linux/gethostname.c
+++ b/sysdeps/unix/sysv/linux/gethostname.c
@@ -30,6 +30,7 @@ __gethostname (name, len)
size_t len;
{
struct utsname buf;
+ size_t node_len;
if (name == NULL)
{
@@ -40,13 +41,14 @@ __gethostname (name, len)
if (uname (&buf))
return -1;
- if (strlen (buf.nodename) + 1 > len)
+ node_len = strlen (buf.nodename) + 1;
+ if (node_len > len)
{
__set_errno (EINVAL);
return -1;
}
- strcpy (name, buf.nodename);
+ memcpy (name, buf.nodename, node_len);
return 0;
}