From 5bed36d99701b3e27268ddbcc7206fd069deecb6 Mon Sep 17 00:00:00 2001
From: Francois Perrad <francois.perrad@gadz.org>
Date: Sun, 11 Oct 2015 10:52:10 +0200
Subject: [PATCH] explicit ignoring the return value of function

---
 bn_mp_div.c         | 2 +-
 bn_mp_dr_reduce.c   | 2 +-
 bn_mp_exteuclid.c   | 6 +++---
 bn_mp_reduce_2k.c   | 2 +-
 bn_mp_reduce_2k_l.c | 2 +-
 bn_mp_toom_mul.c    | 4 ++--
 bn_mp_toom_sqr.c    | 2 +-
 7 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/bn_mp_div.c b/bn_mp_div.c
index c33fac8..3dc28c9 100644
--- a/bn_mp_div.c
+++ b/bn_mp_div.c
@@ -270,7 +270,7 @@ int mp_div (mp_int * a, mp_int * b, mp_int * c, mp_int * d)
   }
 
   if (d != NULL) {
-    mp_div_2d (&x, norm, &x, NULL);
+    (void)mp_div_2d (&x, norm, &x, NULL);
     mp_exch (&x, d);
   }
 
diff --git a/bn_mp_dr_reduce.c b/bn_mp_dr_reduce.c
index 84c3006..62e9612 100644
--- a/bn_mp_dr_reduce.c
+++ b/bn_mp_dr_reduce.c
@@ -82,7 +82,7 @@ top:
    * Each successive "recursion" makes the input smaller and smaller.
    */
   if (mp_cmp_mag (x, n) != MP_LT) {
-    s_mp_sub(x, n, x);
+    (void)s_mp_sub(x, n, x);
     goto top;
   }
   return MP_OKAY;
diff --git a/bn_mp_exteuclid.c b/bn_mp_exteuclid.c
index c486e1c..3b0bb4a 100644
--- a/bn_mp_exteuclid.c
+++ b/bn_mp_exteuclid.c
@@ -61,9 +61,9 @@ int mp_exteuclid(mp_int *a, mp_int *b, mp_int *U1, mp_int *U2, mp_int *U3)
 
    /* make sure U3 >= 0 */
    if (u3.sign == MP_NEG) {
-      mp_neg(&u1, &u1);
-      mp_neg(&u2, &u2);
-      mp_neg(&u3, &u3);
+      (void)mp_neg(&u1, &u1);
+      (void)mp_neg(&u2, &u2);
+      (void)mp_neg(&u3, &u3);
    }
 
    /* copy result out */
diff --git a/bn_mp_reduce_2k.c b/bn_mp_reduce_2k.c
index cfa59c7..f03bc11 100644
--- a/bn_mp_reduce_2k.c
+++ b/bn_mp_reduce_2k.c
@@ -45,7 +45,7 @@ top:
    }
    
    if (mp_cmp_mag(a, n) != MP_LT) {
-      s_mp_sub(a, n, a);
+      (void)s_mp_sub(a, n, a);
       goto top;
    }
    
diff --git a/bn_mp_reduce_2k_l.c b/bn_mp_reduce_2k_l.c
index 076018c..0ee5402 100644
--- a/bn_mp_reduce_2k_l.c
+++ b/bn_mp_reduce_2k_l.c
@@ -46,7 +46,7 @@ top:
    }
    
    if (mp_cmp_mag(a, n) != MP_LT) {
-      s_mp_sub(a, n, a);
+      (void)s_mp_sub(a, n, a);
       goto top;
    }
    
diff --git a/bn_mp_toom_mul.c b/bn_mp_toom_mul.c
index f0df3c2..81fec9f 100644
--- a/bn_mp_toom_mul.c
+++ b/bn_mp_toom_mul.c
@@ -46,7 +46,7 @@ int mp_toom_mul(mp_int *a, mp_int *b, mp_int *c)
        goto ERR;
     }
     mp_rshd(&a1, B);
-    mp_mod_2d(&a1, DIGIT_BIT * B, &a1);
+    (void)mp_mod_2d(&a1, DIGIT_BIT * B, &a1);
 
     if ((res = mp_copy(a, &a2)) != MP_OKAY) {
        goto ERR;
@@ -62,7 +62,7 @@ int mp_toom_mul(mp_int *a, mp_int *b, mp_int *c)
        goto ERR;
     }
     mp_rshd(&b1, B);
-    mp_mod_2d(&b1, DIGIT_BIT * B, &b1);
+    (void)mp_mod_2d(&b1, DIGIT_BIT * B, &b1);
 
     if ((res = mp_copy(b, &b2)) != MP_OKAY) {
        goto ERR;
diff --git a/bn_mp_toom_sqr.c b/bn_mp_toom_sqr.c
index f8208a6..d2c096c 100644
--- a/bn_mp_toom_sqr.c
+++ b/bn_mp_toom_sqr.c
@@ -39,7 +39,7 @@ mp_toom_sqr(mp_int *a, mp_int *b)
        goto ERR;
     }
     mp_rshd(&a1, B);
-    mp_mod_2d(&a1, DIGIT_BIT * B, &a1);
+    (void)mp_mod_2d(&a1, DIGIT_BIT * B, &a1);
 
     if ((res = mp_copy(a, &a2)) != MP_OKAY) {
        goto ERR;