use unsigned values for all counters

We can't have negative values

1 files changed, 6 insertions, 6 deletions

diff --git a/ext/raindrops/raindrops.c b/ext/raindrops/raindrops.c
index 7bd6f31..6cc0d12 100644
--- a/ext/raindrops/raindrops.c
+++ b/ext/raindrops/raindrops.c
@@ -31,7 +31,7 @@ struct raindrop {
 
 /* allow mmap-ed regions to store more than one raindrop */
 struct raindrops {
-        long size;
+        size_t size;
         size_t capa;
         pid_t pid;
         struct raindrop *drops;
@@ -92,7 +92,7 @@ static VALUE init(VALUE self, VALUE size)
         if (r->drops != MAP_FAILED)
                 rb_raise(rb_eRuntimeError, "already initialized");
 
-        r->size = NUM2LONG(size);
+        r->size = NUM2SIZET(size);
         if (r->size < 1)
                 rb_raise(rb_eArgError, "size must be >= 1");
 
@@ -150,7 +150,7 @@ static void resize(struct raindrops *r, size_t new_rd_size)
         r->drops = rv;
         r->size = new_rd_size;
         r->capa = new_size / raindrop_size;
-        assert(r->capa >= (size_t)r->size && "bad sizing");
+        assert(r->capa >= r->size && "bad sizing");
 }
 #else /* ! HAVE_MREMAP */
 /*
@@ -207,7 +207,7 @@ static VALUE init_copy(VALUE dest, VALUE source)
         struct raindrops *dst = DATA_PTR(dest);
         struct raindrops *src = get(source);
 
-        init(dest, LONG2NUM(src->size));
+        init(dest, SIZET2NUM(src->size));
         memcpy(dst->drops, src->drops, raindrop_size * src->size);
 
         return dest;
@@ -271,7 +271,7 @@ static VALUE to_ary(VALUE self)
 {
         struct raindrops *r = get(self);
         VALUE rv = rb_ary_new2(r->size);
-        long i;
+        size_t i;
         unsigned long base = (unsigned long)r->drops;
 
         for (i = 0; i < r->size; i++) {
@@ -292,7 +292,7 @@ static VALUE to_ary(VALUE self)
  */
 static VALUE size(VALUE self)
 {
-        return LONG2NUM(get(self)->size);
+        return SIZET2NUM(get(self)->size);
 }
 
 /*