diff options
Diffstat (limited to 'gnulib/import/getcwd-lgpl.c')
| -rw-r--r-- | gnulib/import/getcwd-lgpl.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/gnulib/import/getcwd-lgpl.c b/gnulib/import/getcwd-lgpl.c index c553f7b..1eaac78 100644 --- a/gnulib/import/getcwd-lgpl.c +++ b/gnulib/import/getcwd-lgpl.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2011-2016 Free Software Foundation, Inc. +/* Copyright (C) 2011-2019 Free Software Foundation, Inc. This file is part of gnulib. This program is free software: you can redistribute it and/or modify @@ -12,7 +12,7 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. */ + along with this program. If not, see <https://www.gnu.org/licenses/>. */ #include <config.h> @@ -115,10 +115,15 @@ rpl_getcwd (char *buf, size_t size) } else { - /* Trim to fit, if possible. */ - result = realloc (buf, strlen (buf) + 1); - if (!result) - result = buf; + /* Here result == buf. */ + /* Shrink result before returning it. */ + size_t actual_size = strlen (result) + 1; + if (actual_size < size) + { + char *shrinked_result = realloc (result, actual_size); + if (shrinked_result != NULL) + result = shrinked_result; + } } return result; } |