Fix warnings (clang 3.6)

lib/hcrypto/libtommath/bn_mp_rand.c

@@ -29,7 +29,7 @@ mp_rand (mp_int * a, int digits)
 
   /* first place a random non-zero digit */
   do {
-    d = ((mp_digit) abs (rand ())) & MP_MASK;
+    d = ((mp_digit) labs (rand ())) & MP_MASK;
   } while (d == 0);
 
   if ((res = mp_add_d (a, d, a)) != MP_OKAY) {
@@ -41,7 +41,7 @@ mp_rand (mp_int * a, int digits)
       return res;
     }
 
-    if ((res = mp_add_d (a, ((mp_digit) abs (rand ())), a)) != MP_OKAY) {
+    if ((res = mp_add_d (a, ((mp_digit) labs (rand ())), a)) != MP_OKAY) {
       return res;
     }
   }

lib/hcrypto/libtommath/demo/demo.c

@@ -83,7 +83,7 @@ int main(void)
 
          // now test a random reduction
          for (ix = 0; ix < 100; ix++) {
-             mp_rand(&c, 1 + abs(rand()) % (2*i));
+             mp_rand(&c, 1 + labs(rand()) % (2*i));
              mp_copy(&c, &d);
              mp_copy(&c, &e);
 
@@ -286,7 +286,7 @@ printf("compare no compare!\n"); exit(EXIT_FAILURE); }
 
       if (!(++cnt & 127))
 	 printf("%9d\r", cnt);
-      mp_rand(&a, abs(rand()) % 128 + 1);
+      mp_rand(&a, labs(rand()) % 128 + 1);
       mp_div(&a, &d, &b, &e);
       mp_div_3(&a, &c, &r2);
 
@@ -394,7 +394,7 @@ printf("compare no compare!\n"); exit(EXIT_FAILURE); }
 
    for (;;) {
       /* randomly clear and re-init one variable, this has the affect of triming the alloc space */
-      switch (abs(rand()) % 7) {
+      switch (labs(rand()) % 7) {
       case 0:
 	 mp_clear(&a);
 	 mp_init(&a);

lib/hcrypto/libtommath/etc/pprime.c

@@ -163,7 +163,7 @@ mp_digit prime_digit(void)
    int n;
    mp_digit d;
 
-   n = abs(rand()) % n_prime;
+   n = labs(rand()) % n_prime;
    fseek(primes, n * sizeof(mp_digit), SEEK_SET);
    fread(&d, 1, sizeof(mp_digit), primes);
    return d;

lib/hcrypto/libtommath/mtest/mpi.c

@@ -492,7 +492,7 @@ void   mp_set(mp_int *mp, mp_digit d)
 mp_err mp_set_int(mp_int *mp, long z)
 {
   int            ix;
-  unsigned long  v = abs(z);
+  unsigned long  v = labs(z);
   mp_err         res;
 
   ARGCHK(mp != NULL, MP_BADARG);

lib/hcrypto/libtommath/mtest/mtest.c

@@ -281,7 +281,7 @@ int main(void)
       printf("%s\n", buf);
    } else if (n == 13) {
       rand_num2(&a);
-      tmp = abs(rand()) & THE_MASK;
+      tmp = labs(rand()) & THE_MASK;
       mp_add_d(&a, tmp, &b);
       printf("add_d\n");
       mp_to64(&a, buf);
@@ -290,7 +290,7 @@ int main(void)
       printf("%s\n", buf);
    } else if (n == 14) {
       rand_num2(&a);
-      tmp = abs(rand()) & THE_MASK;
+      tmp = labs(rand()) & THE_MASK;
       mp_sub_d(&a, tmp, &b);
       printf("sub_d\n");
       mp_to64(&a, buf);

lib/hcrypto/libtommath/tommath.src

@@ -19,7 +19,7 @@
 \def\gcd{{\rm gcd}}
 \def\log{{\rm log}}
 \def\ord{{\rm ord}}
-\def\abs{{\mathit abs}}
+\def\labs{{\mathit labs}}
 \def\rep{{\mathit rep}}
 \def\mod{{\mathit\ mod\ }}
 \renewcommand{\pmod}[1]{\ ({\rm mod\ }{#1})}

lib/hcrypto/libtommath/tommath.tex

@@ -19,7 +19,7 @@
 \def\gcd{{\rm gcd}}
 \def\log{{\rm log}}
 \def\ord{{\rm ord}}
-\def\abs{{\mathit abs}}
+\def\labs{{\mathit labs}}
 \def\rep{{\mathit rep}}
 \def\mod{{\mathit\ mod\ }}
 \renewcommand{\pmod}[1]{\ ({\rm mod\ }{#1})}