fec.c: add asserts for the preconditions that the inputs need to meet

diff --git a/zfec/fec.c b/zfec/fec.c
index b03bae1f8c8ad5371e0610b8ce6cdfd93b2c8434..4df0d98de563fcf88fb44b2a288c4d9b9f3d0390 100644 (file)
--- a/zfec/fec.c
+++ b/zfec/fec.c
@@ -418,6 +418,11 @@ fec_new(unsigned short k, unsigned short n) {
 
     fec_t *retval;
 
+    assert(k >= 1);
+    assert(n >= 1);
+    assert(n <= 256);
+    assert(k <= n);
+
     if (fec_initialized == 0)
         init_fec ();