diff options
Diffstat (limited to 'sysdeps/mach/hurd/getcwd.c')
| -rw-r--r-- | sysdeps/mach/hurd/getcwd.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/sysdeps/mach/hurd/getcwd.c b/sysdeps/mach/hurd/getcwd.c index b42e0979a6..abec22c12c 100644 --- a/sysdeps/mach/hurd/getcwd.c +++ b/sysdeps/mach/hurd/getcwd.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. +/* Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -57,7 +57,7 @@ __getcwd (char *buf, size_t size) (vm_address_t) dirbuf, dirbufsize); } - + if (size == 0) { if (buf != NULL) @@ -139,7 +139,7 @@ __getcwd (char *buf, size_t size) dirdatasize = dirbufsize; while (!(err = __dir_readdir (parent, &dirdata, &dirdatasize, direntry, -1, 0, &nentries)) && - nentries != 0) + nentries != 0) { /* We have a block of directory entries. */ @@ -167,7 +167,7 @@ __getcwd (char *buf, size_t size) d = (struct dirent *) &dirdata[offset]; offset += d->d_reclen; - /* Ignore `.' and `..'. */ + /* Ignore `.' and `..'. */ if (d->d_name[0] == '.' && (d->d_namlen == 1 || (d->d_namlen == 2 && d->d_name[1] == '.'))) @@ -191,6 +191,14 @@ __getcwd (char *buf, size_t size) if (err) goto errlose; + else if (nentries == 0) + { + /* We got to the end of the directory without finding anything! + We are in a directory that has been unlinked, or something is + broken. */ + err = ENOENT; + goto errlose; + } else { /* Prepend the directory name just discovered. */ |