make pw_encrypt() return malloc'ed string.

   text    data     bss     dec     hex filename
 759802     604    6684  767090   bb472 busybox_old
 759804     604    6676  767084   bb46c busybox_unstripped

1 files changed, 4 insertions, 1 deletions

diff --git a/libbb/correct_password.c b/libbb/correct_password.c
index a4ded8b5f..f0b9384ea 100644
--- a/libbb/correct_password.c
+++ b/libbb/correct_password.c
@@ -40,6 +40,7 @@ int correct_password(const struct passwd *pw)
 {
         char *unencrypted, *encrypted;
         const char *correct;
+        int r;
 #if ENABLE_FEATURE_SHADOWPASSWDS
         /* Using _r function to avoid pulling in static buffers */
         struct spwd spw;
@@ -72,6 +73,8 @@ int correct_password(const struct passwd *pw)
                 return 0;
         }
         encrypted = pw_encrypt(unencrypted, correct, 1);
+        r = (strcmp(encrypted, correct) == 0);
+        free(encrypted);
         memset(unencrypted, 0, strlen(unencrypted));
-        return strcmp(encrypted, correct) == 0;
+        return r;
 }