tport, sresolv, su: fixed warnings from read()/fread()/fwrite().

darcs-hash:20061207085355-65a35-40859edbfb092bc1f8d7766111f3b7bd33bdb9fb.gz

libsofia-sip-ua/sresolv/sres.c

@@ -714,7 +714,7 @@ sres_resolver_new_internal(sres_cache_t *cache,
 #if HAVE_DEV_URANDOM
     int fd;
     if ((fd = open("/dev/urandom", O_RDONLY, 0)) != -1) {
-      read(fd, &res->res_id, (sizeof res->res_id));
+      size_t len = read(fd, &res->res_id, (sizeof res->res_id)); (void)len;
       close(fd);
     }
     else

libsofia-sip-ua/su/su_uniqueid.c

@@ -148,7 +148,7 @@ static void init(void)
 #endif	/* HAVE_DEV_URANDOM */
 
   if (urandom) {
-    fread(seed, sizeof seed, 1, urandom);
+    size_t len = fread(seed, sizeof seed, 1, urandom); (void)len;
   }
   else {
     for (i = 0; i < 16; i++) {
@@ -225,7 +225,7 @@ void init_node(void)
 #endif
 
   if (urandom) {
-    fread(node, sizeof node, 1, urandom);
+    size_t len = fread(node, sizeof node, 1, urandom); (void)len;
   }
   else for (i = 0; i < sizeof(node); i++) {
     unsigned r = random();
@@ -294,7 +294,7 @@ int su_randint(int lb, int ub)
   if (!initialized) init(); 
 
   if (urandom) {
-    fread(&rnd, 1, sizeof rnd, urandom);
+    size_t len = fread(&rnd, 1, sizeof rnd, urandom); (void)len;
   }
   else
     rnd = random();
@@ -312,7 +312,7 @@ void *su_randmem(void *mem, size_t siz)
   if (!initialized) init(); 
 
   if (urandom) {
-    fread(mem, 1, siz, urandom);
+    size_t len = fread(mem, 1, siz, urandom); (void)len;
   }
   else for (i = 0; i < siz; i++) {
     unsigned r = random();
@@ -329,14 +329,13 @@ void *su_randmem(void *mem, size_t siz)
  */
 uint32_t su_random(void)
 {
-  uint32_t rnd;
-
   if (!initialized) init(); 
 
-  if (urandom)
-    fread(&rnd, 1, sizeof rnd, urandom);
-  else
-    rnd = (uint32_t)random();
+  if (urandom) {
+    uint32_t rnd;
+    size_t len = fread(&rnd, 1, sizeof rnd, urandom); (void)len;
+    return rnd;
+  }
 
-  return rnd;
+  return (uint32_t)random();
 }

libsofia-sip-ua/tport/tport_logging.c

@@ -166,7 +166,8 @@ void tport_dump_iovec(tport_t const *self, msg_t *msg,
     size_t len = iov[i].mv_len;
     if (len > n)
       len = n;
-    fwrite(iov[i].mv_base, len, 1, mr->mr_dump_file);
+    if (fwrite(iov[i].mv_base, len, 1, mr->mr_dump_file) != len)
+      break;
     n -= len;
   }