fix Windows x64 warnings

starwing · starwing · commit 0756a78a919e · 2019-03-08T14:38:57.000+08:00
diff --git a/pb.c b/pb.c
@@ -1637,7 +1637,7 @@ static void lpbD_repeated(lpb_Env *e, pb_Field *f, uint32_t tag) {
     lua_State *L = e->L;
     lpb_fetchtable(e, f, NULL);
     if (f->packed && pb_gettype(tag) == PB_TBYTES) {
-        int len = lua_rawlen(L, -1);
+        int len = (int)lua_rawlen(L, -1);
         lpb_SliceEx p, *s = e->s;
         lpb_readbytes(L, s, &p);
         while (p.base.p < p.base.end) {
diff --git a/pb.h b/pb.h
@@ -821,7 +821,7 @@ PB_API void pb_poolfree(pb_Pool *pool, void *obj)
 #define pbT_index(a, b)  ((pb_Entry*)((char*)(a) + (b)))
 
 PB_API void pb_inittable(pb_Table *t, size_t entrysize)
-{ memset(t, 0, sizeof(pb_Table)), t->entry_size = entrysize; }
+{ memset(t, 0, sizeof(pb_Table)), t->entry_size = (unsigned)entrysize; }
 
 PB_API void pb_freetable(pb_Table *t)
 { free(t->hash); pb_inittable(t, t->entry_size); }
@@ -1595,7 +1595,7 @@ static void pbL_loadType(pb_State *S, pbL_TypeInfo *info, pb_Loader *L) {
     for (i = 0, count = pbL_count(info->oneof_decl); i < count; ++i) {
         pb_OneofEntry *e = (pb_OneofEntry*)pb_settable(&t->oneof_index, i+1);
         e->name = pb_newname(S, info->oneof_decl[i]);
-        e->index = i+1;
+        e->index = (int)i+1;
     }
     for (i = 0, count = pbL_count(info->field); i < count; ++i)
         pbL_loadField(S, &info->field[i], L, t);
