make narrowing cast explicit

Author: mazunki

api/util/elf_binary.inc

@@ -149,7 +149,7 @@ const typename Elf_binary<Arch>::Section_header& Elf_binary<Arch>::section_heade
 
 template <typename Arch>
 const typename Elf_binary<Arch>::Span Elf_binary<Arch>::section_data(const Section_header& sh) const {
-  return {data_.data() + sh.sh_offset, static_cast<std::ptrdiff_t>(sh.sh_size)};
+  return {data_.data() + static_cast<std::size_t>(sh.sh_offset), static_cast<std::ptrdiff_t>(sh.sh_size)};
 };
 
 template <typename Arch>

vmbuild/vmbuild.cpp

@@ -211,7 +211,7 @@ int main(int argc, char** argv)
   // 32-bit ELF
   if (binary_imgloc[EI_CLASS] == ELFCLASS32)
    {
-    Elf_binary<Elf32> binary ({binary_imgloc, stat_binary.st_size});
+    Elf_binary<Elf32> binary ({binary_imgloc, static_cast<size_t>(stat_binary.st_size)});
     binary.validate();
     srv_entry = binary.entry();
 
@@ -232,7 +232,7 @@ int main(int argc, char** argv)
   // 64-bit ELF
   else if (binary_imgloc[EI_CLASS] == ELFCLASS64)
   {
-    Elf_binary<Elf64> binary ({binary_imgloc, stat_binary.st_size});
+    Elf_binary<Elf64> binary ({binary_imgloc, static_cast<size_t>(stat_binary.st_size)});
     binary.validate();
     srv_entry = binary.entry();