Delete casts to off_t and size_t that are implied by assignments

or prototypes.  Ditto for some of the char* and void* casts too.

verified no change to instructions on ILP32 (i386) and LP64 (amd64)
ok natano@ abluhm@ deraadt@ millert@

6 files changed, 19 insertions, 20 deletions

diff --git a/src/lib/libc/net/ethers.c b/src/lib/libc/net/ethers.c
index a7e0796c72..de68c092f8 100644
--- a/src/lib/libc/net/ethers.c
+++ b/src/lib/libc/net/ethers.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: ethers.c,v 1.24 2015/09/14 11:01:47 guenther Exp $    */
+/*      $OpenBSD: ethers.c,v 1.25 2016/09/21 04:38:56 guenther Exp $    */
 
 /*
  * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
@@ -144,7 +144,7 @@ ether_ntohost(char *hostname, struct ether_addr *e)
                 }
 #endif
                 if (ether_line(buf, &try, hostname) == 0 &&
-                    memcmp((void *)&try, (void *)e, sizeof(try)) == 0) {
+                    memcmp(&try, e, sizeof(try)) == 0) {
                         (void)fclose(f);
                         return (0);
                 }     
diff --git a/src/lib/libc/net/freeaddrinfo.c b/src/lib/libc/net/freeaddrinfo.c
index 2ac84a31f3..154f70cd75 100644
--- a/src/lib/libc/net/freeaddrinfo.c
+++ b/src/lib/libc/net/freeaddrinfo.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: freeaddrinfo.c,v 1.8 2015/12/28 22:08:18 mmcc Exp $   */
+/*      $OpenBSD: freeaddrinfo.c,v 1.9 2016/09/21 04:38:56 guenther Exp $       */
 
 /*
  * Copyright (c) 1996, 1997, 1998, 1999, Craig Metz, All rights reserved.
@@ -44,7 +44,7 @@ freeaddrinfo(struct addrinfo *ai)
                 p = ai;
                 ai = ai->ai_next;
                 free(p->ai_canonname);
-                free((void *)p);
+                free(p);
         } while (ai);
 }
 DEF_WEAK(freeaddrinfo);
diff --git a/src/lib/libc/net/inet_ntop.c b/src/lib/libc/net/inet_ntop.c
index f44dd08022..2bb11c2ab2 100644
--- a/src/lib/libc/net/inet_ntop.c
+++ b/src/lib/libc/net/inet_ntop.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: inet_ntop.c,v 1.12 2015/09/13 21:36:08 guenther Exp $ */
+/*      $OpenBSD: inet_ntop.c,v 1.13 2016/09/21 04:38:56 guenther Exp $ */
 
 /* Copyright (c) 1996 by Internet Software Consortium.
  *
@@ -46,9 +46,9 @@ inet_ntop(int af, const void *src, char *dst, socklen_t size)
 {
         switch (af) {
         case AF_INET:
-                return (inet_ntop4(src, dst, (size_t)size));
+                return (inet_ntop4(src, dst, size));
         case AF_INET6:
-                return (inet_ntop6(src, dst, (size_t)size));
+                return (inet_ntop6(src, dst, size));
         default:
                 errno = EAFNOSUPPORT;
                 return (NULL);
@@ -167,7 +167,7 @@ inet_ntop6(const u_char *src, char *dst, size_t size)
                 /* Is this address an encapsulated IPv4? */
                 if (i == 6 && best.base == 0 &&
                     (best.len == 6 || (best.len == 5 && words[5] == 0xffff))) {
-                        if (!inet_ntop4(src+12, tp, (size_t)(ep - tp)))
+                        if (!inet_ntop4(src+12, tp, ep - tp))
                                 return (NULL);
                         tp += strlen(tp);
                         break;
diff --git a/src/lib/libc/net/rthdr.c b/src/lib/libc/net/rthdr.c
index 1a29e87de1..934a55155a 100644
--- a/src/lib/libc/net/rthdr.c
+++ b/src/lib/libc/net/rthdr.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: rthdr.c,v 1.11 2015/09/14 11:01:47 guenther Exp $     */
+/*      $OpenBSD: rthdr.c,v 1.12 2016/09/21 04:38:56 guenther Exp $     */
 /*      $KAME: rthdr.c,v 1.22 2006/02/09 08:18:58 keiichi Exp $ */
 
 /*
@@ -120,8 +120,7 @@ inet6_rth_reverse(const void *in, void *out)
                 segments = rth0_in->ip6r0_len / 2;
 
                 /* we can't use memcpy here, since in and out may overlap */
-                memmove((void *)rth0_out, (void *)rth0_in,
-                        ((rth0_in->ip6r0_len) + 1) << 3);
+                memmove(rth0_out, rth0_in, ((rth0_in->ip6r0_len) + 1) << 3);
                 rth0_out->ip6r0_segleft = segments;
 
                 /* reverse the addresses */
diff --git a/src/lib/libc/stdlib/malloc.c b/src/lib/libc/stdlib/malloc.c
index 0296985e5b..20807a25b4 100644
--- a/src/lib/libc/stdlib/malloc.c
+++ b/src/lib/libc/stdlib/malloc.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: malloc.c,v 1.196 2016/09/18 13:46:28 otto Exp $       */
+/*      $OpenBSD: malloc.c,v 1.197 2016/09/21 04:38:56 guenther Exp $   */
 /*
  * Copyright (c) 2008, 2010, 2011, 2016 Otto Moerbeek <otto@drijf.net>
  * Copyright (c) 2012 Matthew Dempsky <matthew@openbsd.org>
@@ -83,14 +83,14 @@
 #define SOME_JUNK               0xd0    /* as in "Duh" :-) */
 #define SOME_FREEJUNK           0xdf
 
-#define MMAP(sz)        mmap(NULL, (size_t)(sz), PROT_READ | PROT_WRITE, \
-    MAP_ANON | MAP_PRIVATE, -1, (off_t) 0)
+#define MMAP(sz)        mmap(NULL, (sz), PROT_READ | PROT_WRITE, \
+    MAP_ANON | MAP_PRIVATE, -1, 0)
 
-#define MMAPA(a,sz)     mmap((a), (size_t)(sz), PROT_READ | PROT_WRITE, \
-    MAP_ANON | MAP_PRIVATE, -1, (off_t) 0)
+#define MMAPA(a,sz)     mmap((a), (sz), PROT_READ | PROT_WRITE, \
+    MAP_ANON | MAP_PRIVATE, -1, 0)
 
-#define MQUERY(a, sz)   mquery((a), (size_t)(sz), PROT_READ | PROT_WRITE, \
-    MAP_ANON | MAP_PRIVATE | MAP_FIXED, -1, (off_t)0)
+#define MQUERY(a, sz)   mquery((a), (sz), PROT_READ | PROT_WRITE, \
+    MAP_ANON | MAP_PRIVATE | MAP_FIXED, -1, 0)
 
 struct region_info {
         void *p;                /* page; low bits used to mark chunks */
diff --git a/src/lib/libc/stdlib/setenv.c b/src/lib/libc/stdlib/setenv.c
index 60c2cd46a6..15c550ba30 100644
--- a/src/lib/libc/stdlib/setenv.c
+++ b/src/lib/libc/stdlib/setenv.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: setenv.c,v 1.18 2016/04/25 21:36:04 millert Exp $ */
+/*      $OpenBSD: setenv.c,v 1.19 2016/09/21 04:38:56 guenther Exp $ */
 /*
  * Copyright (c) 1987 Regents of the University of California.
  * All rights reserved.
@@ -141,7 +141,7 @@ setenv(const char *name, const char *value, int rewrite)
                 environ[cnt + 1] = NULL;
         }
         if (!(environ[offset] =                 /* name + `=' + value */
-            malloc((size_t)((int)(np - name) + l_value + 2))))
+            malloc((int)(np - name) + l_value + 2)))
                 return (-1);
         for (C = environ[offset]; (*C = *name++) && *C != '='; ++C)
                 ;