strdup(0) now returns 0

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@2285 dc483132-0cff-0310-8789-dd5450dbe970

diff --git a/src/lib/krb5/posix/strdup.c b/src/lib/krb5/posix/strdup.c
index ed212416489a32d5185ac2a46443f7f2532b148d..838572090444488bc62396e9cf7365bcd7ae3a5b 100644 (file)
--- a/src/lib/krb5/posix/strdup.c
+++ b/src/lib/krb5/posix/strdup.c
@@ -31,6 +31,8 @@ strdup(str)
        int len;
        char *copy;
 
+       if (!str)
+               return((char *)0);
        len = strlen(str) + 1;
        if (!(copy = malloc((u_int)len)))
                return((char *)0);