1 files changed, 5 insertions, 0 deletions

diff --git a/libbb/xfuncs_printf.c b/libbb/xfuncs_printf.c
index 03aeaaa38..f021493b1 100644
--- a/libbb/xfuncs_printf.c
+++ b/libbb/xfuncs_printf.c
@@ -323,6 +323,11 @@ void FAST_FUNC bb_unsetenv(const char *var)
         free(tp);
 }
 
+void FAST_FUNC bb_unsetenv_and_free(char *var)
+{
+        bb_unsetenv(var);
+        free(var);
+}
 
 // Die with an error message if we can't set gid.  (Because resource limits may
 // limit this user to a given number of processes, and if that fills up the