diff options
Diffstat (limited to 'sysdeps/mach/hurd/getcwd.c')
| -rw-r--r-- | sysdeps/mach/hurd/getcwd.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sysdeps/mach/hurd/getcwd.c b/sysdeps/mach/hurd/getcwd.c index daa67fb858..4df2524afb 100644 --- a/sysdeps/mach/hurd/getcwd.c +++ b/sysdeps/mach/hurd/getcwd.c @@ -229,8 +229,12 @@ _hurd_canonicalize_directory_name_internal (file_t thisdir, free (file_name); return NULL; } - file_namep = &buf[file_namep - file_name]; + file_namep = &buf[file_namep - file_name + size / 2]; file_name = buf; + /* Move current contents up to the end of the buffer. + This is guaranteed to be non-overlapping. */ + memcpy (file_namep, file_namep - size / 2, + file_name + size - file_namep); } } file_namep -= d->d_namlen; |